Patent application number | Description | Published |
20080201019 | METHOD AND COMPUTER SOFTWARE CODE FOR OPTIMIZED FUEL EFFICIENCY EMISSION OUTPUT AND MISSION PERFORMANCE OF A POWERED SYSTEM - A method for operating at least one powered system having at least one power generating unit that may be a part of at least one of a fleet and a network of powered systems, the method including evaluating an operating characteristic of the at least one power generating unit, comparing the operating characteristic to a desired value related to a mission objective, and autonomously adjusting the operating characteristic in order to satisfy a mission objective. A computer software code is also disclosed for operating at least one powered system having at least one power generating unit that may be a part of at least one of a fleet and a network of powered systems. | 08-21-2008 |
20080201028 | METHOD AND COMPUTER SOFTWARE CODE FOR UNCOUPLING POWER CONTROL OF A DISTRIBUTED POWERED SYSTEM FROM COUPLED POWER SETTINGS - A method for powering a powered system having a first power generating unit where power settings for the first power generating unit are decoupled from power settings for a second power generating unit, the method including developing a power operating plan which is independent of a coupled power setting, and determining a power setting responsive to the power operating plan. A computer software code operable within a processor and configured to reside on a computer readable media for powering a powered system having at least a first power generating unit where power settings for the at least first power generating unit are decoupled from power settings for at least a second power generating unit is further disclosed. | 08-21-2008 |
20080208401 | SYSTEM, METHOD, AND COMPUTER SOFTWARE CODE FOR INSURING CONTINUOUS FLOW OF INFORMATION TO AN OPERATOR OF A POWERED SYSTEM - A system for providing architecture for controlling a powered system having at least one power generating unit so that information provided to a user is not halted when a change in information to at least one of a subsystem and a system occurs, the system including a first control device configured for controlling the powered system, a second control device configured for controlling the power generating unit, and a communication system configured to provide information to the first control device independent of the second control device and the second control device independent of the first control device. | 08-28-2008 |
20080211434 | System, Method and Computer Readable Media for Reducing Wheel Sliding on a Locomotive - A system for reducing wheel sliding on a locomotive is provided for a locomotive including a plurality of axles. The system includes one or more speed inferring systems coupled to each axle to detect rotation of each axle and generate detection signals based upon detecting rotation of each axle. The detection signals include one of speed signals indicative of locomotive speed and non-rotating signals indicative of a non-rotating axle. More particularly, a main controller is coupled to each speed inferring system and is responsive to each detection signal. The main controller identifies non-rotating signals of the detection signals to initiate one or more alert signals of one or more respective non-rotating axles of the plurality of axles. Additionally, the main controller is coupled to an operator panel to alert a locomotive operator of an applied status of a locomotive parking brake in response to the alert signal. | 09-04-2008 |
20080252182 | System and Method for Controlling an Output of an Auxiliary Power Source of a Diesel Powered System - A system and method for controlling a power output of an auxiliary alternator of a diesel powered system having at least one diesel-fueled power generating unit, the alternator powering at least one dynamoelectric device of the diesel powered system. The system includes an alternator coupled to the diesel-fueled power generating unit having a wound rotor for supplying electrical power to at least one dynamoelectric device of the diesel powered system. The system also includes a controller for determining a desired operating frequency of the dynamoelectric device and providing a control signal for producing the desired operating frequency. The system further includes a regulator for providing a rotor control output responsive to the control signal to control an electrical condition of the rotor for adjusting the electrical power supplied to the dynamoelectric device effective to produce the desired operating frequency. | 10-16-2008 |
20080269967 | METHOD AND APPARATUS FOR DETERMINING TRACK FEATURES AND CONTROLLING A RAILROAD TRAIN RESPONSIVE THERETO - A method for determining a control parameter of a railway system vehicle or a portion thereof, the method including producing a terrain profile representing a parameter of the railway system or a portion thereof, producing a representation of the vehicle or a portion thereof, and using the terrain profile and representation to derive the control parameter for the vehicle or the portion thereof. | 10-30-2008 |
20080270023 | Hybrid Energy Power Management System And Method - An energy management system is provided for use with one of a plurality of hybrid energy diesel electric vehicles. The energy management system includes a position identification device to provide position information of one the plurality of vehicles at incremental positions along one of a plurality of routes. More particularly, the energy management system includes a database to store historical data of a traction and/or auxiliary energy demand for each vehicle at incremental positions along each route, and an energy management processor coupled to the position identification device and the database. The energy management system retrieves historical data of each vehicle at incremental positions along each route to estimate an anticipated traction and/or auxiliary energy demand of the one of a plurality of vehicle at each incremental position along one of a plurality of routes. | 10-30-2008 |
20080276631 | System and Method for Cooling a Battery - A system is provided for cooling an energy storage system of a hybrid electric vehicle. The energy storage system includes at least one energy storage device. The system includes at least one inner casing configured to encapsulate at least one inner core of at least one respective energy storage device of the energy storage system. Additionally, the system includes at least one outer layer configured to surround the at least one inner casing. The system further includes an inner space positioned between the at least one inner casing and the at least one outer layer, where the inner space is configured to receive cooling fluid through at least one inlet in the outer layer. | 11-13-2008 |
20080276632 | System and Method for Cooling a Battery - A system is provided for cooling an energy storage system of a hybrid electric vehicle. The energy storage system includes at least one energy storage device, including a maximum temperature storage device with a maximum temperature and a minimum temperature storage device with a minimum temperature. The system includes a cooling fluid duct in flow communication with an inlet and the at least one energy storage device, and a blower positioned within the cooling fluid duct to draw cooling fluid into the inlet and through the cooling fluid duct. The system further includes a controller coupled with the at least one energy storage device to increase the temperature of the at least one energy storage device having a temperature below the maximum temperature reduced by at least a predetermined threshold. The cooling fluid duct and blower are coupled to form a common cooling system for the at least one energy storage system. | 11-13-2008 |
20080276824 | PROPULSION SYSTEM - A propulsion system for a vehicle is provided. The propulsion system includes a first traction drive system and a second traction drive system. The first traction drive system includes a heat engine and a first drive motor. The heat engine supplies energy to the first drive motor to propel the vehicle. The second traction drive system includes a second drive motor and a first energy storage device. The second drive motor both supplies energy to the first energy storage device and receives energy from the first energy storage device. Also provided is a propulsion system for a vehicle that includes the first traction drive system and a propulsion means for supplying energy to a first energy storage device and for receiving energy from the first energy storage device. | 11-13-2008 |
20080276825 | ELECTRIC DRIVE VEHICLE RETROFIT SYSTEM AND ASSOCIATED METHOD - A system is provided for retrofitting an electrically propelled vehicle. The vehicle has an engine-driven generator, and at least a first traction motor and a second traction motor coupled to the generator. The system includes an energy storage device capable of being coupled to at least the first traction motor; and a control system operable to control a distribution of propulsive power between the first traction motor and the second traction motor. An associated method and a retrofit kit are provided, also. | 11-13-2008 |
20080277101 | System and Method for Cooling a Battery - A system is provided for cooling an energy storage system of a hybrid electric vehicle. The energy storage system includes at least one energy storage device. The system includes an inlet positioned on the outer surface of the vehicle above the platform. More particularly, the system includes a cooling fluid duct in flow communication with the inlet and the at least one energy storage device. Additionally, the system includes a blower powered by a respective motor and positioned within the to draw cooling fluid into the inlet and through the cooling fluid duct to pass the cooling fluid over or through the at least one energy storage device and into a common vented area of the vehicle. | 11-13-2008 |
20080277185 | System and method for segregating an energy storage system from piping and cabling on a hybrid energy vehicle - A system is provided for segregating an energy storage system from at least one of at least one air pipe and at least one electric cable of a hybrid energy vehicle. The energy storage system includes at least one energy storage device and at least one hybrid cable. The system includes a pair of first regions proximately positioned below a respective pair of walkways extending along opposing sides of the vehicle, and a second region positioned between the pair of first regions. The energy storage system and at least one of the at least one air pipe and at least one electric cable are respectively positioned within one of the pair of first regions and the second region to segregate the energy storage system from at least one of the at least one air pipe and at least one electric cable of the hybrid energy vehicle. | 11-13-2008 |
20080280195 | BATTERY CASE AND METHOD FOR SECURING SAME - Battery enclosures include a pre-stressed bottom sheet having a convex surface, at least one vibration isolator disposed along at least a portion of a perimeter of the bottom sheet, a sidewall in contact with the at least one vibration isolator so as to be isolated from the bottom sheet, and at least one strap attached to the bottom sheet, the at least one strap being configured to hold a bottom surface of an outer casing of a battery against the convex surface of the bottom sheet such that internal battery cells are supported by a substantially planar surface. | 11-13-2008 |
20080280198 | BATTERY MECHANICAL PACKAGING - Batteries are disclosed that include a plurality of cooling plates, a plurality of cells disposed between adjacent cooling plates, a plurality of insulating sheets disposed between adjacent cells, a plurality of bus bars interconnecting the plurality of cells, an inner casing surrounding the plurality of cooling plates, the plurality of cells, the plurality of insulating sheets, and the plurality of bus bars, an outer casing surrounding the inner casing so as to form a gap therebetween, a layer of insulating material disposed inside at least a portion of the gap, and several other structural features in different embodiments of the invention configured to prevent motion of the cells relative to one another. | 11-13-2008 |
20080281479 | METHOD OF OPERATING PROPULSION SYSTEM - A method is provided that includes propelling an electrically driven vehicle at a first, slower speed, and potentially high torque by supplying electricity at a first, lower voltage from an energy storage device to a second electric motor; and includes propelling the vehicle at a second, faster speed, and moderate torque by supplying electricity at a second, higher voltage from an engine-driven generator to a first electric motor. Another method includes propelling an electrically driven vehicle by supplying electricity from an engine-driven generator to a first electric motor; and generating electricity at a second electric motor to charge an energy storage device. Corresponding systems for implementing the method are provided. | 11-13-2008 |
20080288132 | METHOD OF OPERATING VEHICLE AND ASSOCIATED SYSTEM - A method of operating a vehicle having an electric drive is provided. The method includes defining a first zone and a second zone. The first zone has an associated first characteristic and the second zone has an associated second characteristic that differs from the first characteristic. The method further includes switching an operating mode of a vehicle from a first operating mode in the first zone to a second operating mode in the second zone in response to the vehicle translating from the first zone to the second zone. Associated vehicles and systems are provided also. | 11-20-2008 |
20080288192 | System and Method For Monitoring The Effectiveness Of A Brake Function In A Powered System - A system is provided for monitoring the effectiveness of a braking function in a powered system. The system includes a sensor configured to measure a parameter related to the operation of the powered system. Additionally, the system includes a processor coupled to the sensor, to receive data related to the parameter. Subsequent to activating the braking function, the processor is configured to determine the effectiveness of the braking function of the powered system, based upon whether the parameter data varies by a predetermined threshold. A method and a computer software code are also provided for monitoring the effectiveness of a braking function in a powered system. | 11-20-2008 |
20080292945 | BATTERY HEATING SYSTEM AND METHODS OF HEATING - A battery includes a plurality of insulated cells electrically interconnected to each other and a heat exchanger disposed above the plurality of cells to heat the battery. A system for transferring energy between a waste heat source and the battery and a method for controlling the temperature of the battery are also disclosed. | 11-27-2008 |
20080292948 | BATTERY COOLING SYSTEM AND METHODS OF COOLING - A battery includes a plurality of insulated cells electrically interconnected to each other and at least one liquid-circulating cooling plate to cool the battery. Batteries in accordance with the subject matters disclosed may also include a plurality of cooling plates, a plurality of cells disposed between cooling plates, a button sheet to support the cells, a plurality of insulating sheets disposed between the cells, a plurality of bus bars electrically interconnecting the plurality of cells, and means for cooling the battery. | 11-27-2008 |
20080293277 | SYSTEM AND METHOD FOR CONNECTING A BATTERY TO A MOUNTING SYSTEM - A system is provided for connecting a battery to a mounting system. The battery is coupled to a battery connector, and the mounting system is coupled to a mounting system connector. The system includes an inner housing of the battery connector configured to receive a plurality of cables from the battery. The system further includes a respective plurality of male connectors or female receptacles positioned within the inner housing of the battery connector and coupled to the plurality of cables. The plurality of male connectors or female receptacles is configured to remain unexposed upon disconnecting the battery connector from the mounting connector during an unsafe event. The system further includes an outer housing of the battery connector surrounding the inner housing, where the outer housing includes a tapered wall. | 11-27-2008 |
20080312775 | SYSTEM, METHOD, AND COMPUTER SOFTWARE CODE FOR OPTIMIZING SPEED REGULATION OF A REMOTELY CONTROLLED POWERED SYSTEM - A system for operating a remotely controlled powered system, the system including a feedfoward gains element configured to provide information to the remotely controlled powered system to establish a velocity, and a feedback gains element configured to provide information from the remotely controlled powered system to the feedforward gains element. A method and a computer software code are further disclosed for operating the remotely controlled powered system. | 12-18-2008 |
20080315805 | CHOPPER CIRCUIT TOPOLOGIES FOR ADAPTING AN ELECTRICAL BRAKING SYSTEM IN A TRACTION VEHICLE - An adaptable electrical braking system for an electrical propulsion system of a traction vehicle is provided. The electrical braking system is configured to dissipate electrical energy in a plurality of resistor grids. The braking system includes a braking system assembly including a baseline chopper circuit topology. The baseline chopper circuit topology includes a first semiconductor-based circuitry in an enclosure for accommodating the first semiconductor-based circuitry. The braking system further includes a second semiconductor-based circuitry electrically coupled to the first semiconductor-based circuitry to produce a chopper including a chopper circuit topology fully contained in the enclosure. The second semiconductor-based circuitry includes a circuit topology selectable to adapt the baseline chopper circuit topology to meet distinct operational requirements to be fulfilled by the braking system. | 12-25-2008 |
20080315806 | KIT AND METHOD FOR RECONFIGURING AN ELECTRICAL BRAKING SYSTEM FOR A TRACTION VEHICLE - A kit and method for reconfiguring an electrical braking system for a traction vehicle are provided. The kit may include a braking system assembly including a chopper having a first chopper circuit topology. The first chopper circuit topology includes a first semiconductor-based circuitry having a footprint that defines at least one cavity in an enclosure for accommodating the first semiconductor-based circuitry. This enclosure constitutes the enclosure for accommodating the semiconductor-based circuitry in the chopper having electromechanical-based circuitry and semiconductor based circuitry. A second semiconductor-based circuitry is arranged in the at least one cavity in the enclosure for accommodating the first semiconductor-based circuitry. The second semiconductor-based circuitry when electrically coupled to the first semiconductor-based circuitry produces a chopper comprising a second chopper circuit topology fully contained in the enclosure. The second chopper circuit topology is operable without any electromechanical-based circuitry. | 12-25-2008 |
20090031915 | Locomotive Truck and Method for Distributing Weight Asymmetrically to Axles of the Truck - A locomotive truck and method for distributing weight asymmetrically to axles of the truck includes a first axle of a locomotive truck uncoupled from a traction system of the locomotive and a first suspension assembly coupling the first axle to the truck for applying to the first axle a first portion of a locomotive weight. The truck also includes a second axle coupled to the traction system and a second suspension assembly coupling the second axle to the truck for applying to the second axle a second portion of the locomotive weight greater than the first portion so that weight is asymmetrically distributed to the first axle and the second axle so as to transmit a corresponding incremental amount of tractive effort for a given amount of a driving torque applied to the second axle via the traction system of the locomotive. | 02-05-2009 |
20090031916 | System and Method for Modification of a Baseline Ballast Arrangement of a Locomotive - A system and method for modification of a baseline ballast arrangement of a locomotive having an overall tractive effort rating based on symmetrical distribution of weight and driving torque applied by the locomotive to the respective axles of the locomotive. The system includes a locomotive truck comprising an un-powered first axle and a powered second axle. The system also includes a first suspension assembly configured to apply to the first axle a first portion of a locomotive weight and a second suspension assembly configured to apply to the second axle a second portion of the locomotive weight different from the first portion. An amount of locomotive weight allocated from the first axle to the second axle allows modification of a baseline ballast arrangement by reducing an amount of ballast in the baseline ballast arrangement corresponding to the amount of weight allocated from the first axle to the second axle. | 02-05-2009 |
20090031917 | Kit and Method for Converting a Locomotive from a First Configuration to a Second Configuration - A kit and method for converting a locomotive from a first configuration to a second configuration having a different operational capability. The kit includes a traction assembly including a mechanical subassembly configured to mechanically couple a first axle of a truck to a traction system of the locomotive; and an electromotive subassembly configured to electromotively couple the first axle to the traction system of the locomotive via the mechanical subassembly. When the kit is installed in the locomotive, the locomotive is converted from the first configuration having the first axle uncoupled from the traction system and a second axle of the truck coupled to the traction system to the second configuration having the first axle coupled to the traction system and a second axle coupled to the traction system. | 02-05-2009 |
20090037039 | Method for locomotive navigation and track identification using video - A system for determining a track location operates to acquire a current video frame via at least one video camera mounted on board a locomotive, determine a track location based on information extracted from the at least one video frame, and transmit the track location information to a navigation system to determine control parameters for the locomotive. | 02-05-2009 |
20090038500 | METHOD AND APPARATUS FOR DETERMINING THE HEALTH OF AN ENERGY STORAGE SYSTEM - A method for testing the health of locomotive battery blocks includes coupling a load to a first and a second battery block, the first and second battery blocks are coupled in series, activating a contactor coupled between the first and second battery blocks and the load to channel electrical energy from the load to the first and second battery blocks, and determining a voltage of the first and second battery blocks to determine the health of the locomotive battery blocks. A portable battery block health tester and a locomotive including a battery block health tester are also described herein. | 02-12-2009 |
20090090818 | SYSTEM, METHOD, AND COMPUTER READABLE MEDIUM FOR IMPROVING THE HANDLING OF A POWERED SYSTEM TRAVELING ALONG A ROUTE - A control system is provided for improving the handling of a powered system traveling along a route. The powered system includes a first and second powered vehicle respectively positioned in two consists, which are separated by at least one non-powered vehicle. The control system includes a controller configured to determine at least one slack location along the powered system. The slack location represents a force separation in the powered system between two respective regions, which include a compression region subject to a compression force and a tension region subject to a tension force. The controller is coupled to a respective engine of a powered vehicle, and the controller adjusts an output of the engine to control a rate of change of the at least one slack location along the powered system. Additionally, a method is provided for improving the handling of a powered system traveling along a route. | 04-09-2009 |
20090095194 | SYSTEM AND METHOD FOR DYNAMICALLY AFFECTING A FORCE APPLIED THROUGH A RAIL VEHICLE AXLE - A system is provided for dynamically affecting a force applied through at least one axle of a rail vehicle configured to travel along a rail track. The rail vehicle includes a plurality of axles and a plurality of wheels received by the plurality of axles. The system includes a device configured to selectively impart the force through the at least one axle to control a respective weight of the at least one axle on the rail track for affecting a traction performance of the rail vehicle traveling along the rail track. | 04-16-2009 |
20090095195 | SYSTEM AND METHOD FOR DYNAMICALLY AFFECTING A FORCE APPLIED THROUGH A RAIL VEHICLE AXLE - A system is provided for dynamically affecting a force applied through at least one axle in a rail vehicle configured to travel along a rail track. The rail vehicle includes a plurality of wheels, where the wheels are received by a plurality of axles. The plurality of wheels are configured to move along a respective rail of the rail track in a travel direction. The system includes a device configured to dynamically affect the force applied through the at least one axle. As the rail vehicle travels along the rail track, at least one characteristic of the force is selected to affect the traction performance of the rail vehicle. | 04-16-2009 |
20090095196 | SYSTEM AND METHOD FOR DYNAMICALLY COUPLING TWO OR MORE AXLES OF A RAIL VEHICLE - A system is provided for coupling two or more axles of a plurality of axles on a rail vehicle. The rail vehicle includes a plurality of wheels and a rail track, where the plurality of wheels is received by the plurality of axles. The system includes a coupling device which is configured to couple the two or more axles to dynamically affect a force applied through the two or more axles. One or more characteristics of the force are selected to affect a traction performance of the rail vehicle as the rail vehicle travels along the rail track. | 04-16-2009 |
20090095197 | KIT FOR RECONFIGURING A RAIL VEHICLE FROM A FIRST TRACTIVE EFFORT CONFIGURATION TO A SECOND TRACTIVE EFFORT CONFIGURATION - A kit is provided for reconfiguring a rail vehicle from a first tractive effort configuration to a second tractive effort configuration. The rail vehicle travels along a rail track, and includes a plurality of axles with a plurality of wheels in contact with the rail track. The first tractive effort configuration of the rail vehicle includes a fixed respective weight of the plurality of axles on the rail track prior to the rail vehicle traveling along the rail track. The kit includes a device respectively coupled to at least one axle in the second tractive effort configuration. Upon operatively coupling the device to the respective axle, the device selectively imparts a force through the at least one axle to dynamically vary the respective weight of the at least one axle on the rail track to affect a traction performance of the rail vehicle in the second tractive effort configuration. | 04-16-2009 |
20090099714 | SYSTEM AND METHOD FOR DYNAMICALLY DETERMINING A FORCE APPLIED THROUGH A RAIL VEHICLE AXLE - A system is provided for dynamically determining a force applied through a plurality of axles in a rail vehicle configured to travel along a rail track in a travel direction. The rail vehicle includes a plurality of wheels received by the plurality of axles. The system includes a controller configured to determine a respective dynamic weight shift of the plurality of wheels on the rail track based upon a dynamic factor of the rail vehicle as the rail vehicle travels along the rail track. | 04-16-2009 |
20090101307 | HEAT SINK SYSTEM AND ASSEMBLY - A heat sink system with reduced airborne debris clogging, for cooling power electronics, the heat sink system including a heat sink having a plurality of fins, a housing configured to direct air flow around the side, top, and/or bottom of the heat sink and then through the fins of the heat sink at a back of the heat sink, and an inlet airway passage formed between a wall of the housing and said side, top, and/or bottom of the finned heat sink to allow air to pass within the housing, wherein said side, top, and/or bottom of the heat sink comprises at least one of said plurality of fins disposed directly in contact with the inlet airway passage. | 04-23-2009 |
20090115371 | System and method for battery control of hybrid locomotives - A system and method are provided for battery control of hybrid vehicles such as, but not limited to, hybrid locomotives. The system and method are implemented to sense a present state of charge (SoC) of one or more batteries and generate present SoC data there from, sense a present excursion defined by a relationship represented as maximum SoC−minimum SoC for a desired cycle and generate present excursion data there from, and control the one or more battery power/current charging limits in response to the present SoC data and the present excursion data. | 05-07-2009 |
20090125170 | SYSTEM AND METHOD FOR OPTIMIZING A BRAKING SCHEDULE OF A POWERED SYSTEM TRAVELING ALONG A ROUTE - An optimization system is provided for a braking schedule of a powered system traveling along a route. The braking schedule is based on at least one predetermined characteristic of the powered system and is configured to be enacted in a braking region along the route. The optimization system includes a sensor configured to measure a parameter related to the operation of the powered system. Additionally, the system includes a processor coupled to the sensor, to receive parameter data. The processor compares the measured parameter with an expected parameter, which is based on the at least one predetermined characteristic of the powered system. The processor adjusts the at least one predetermined characteristic based on the comparison, and adjusts the braking schedule based on the adjustment to the at least one predetermined characteristic. A method is also provided for optimizing a braking schedule of a powered system traveling along a route. | 05-14-2009 |
20090132113 | SYSTEM AND METHOD FOR MANAGING MOBILE ASSET - A system includes a location determination unit for determining a geographic location of a mobile asset having an engine that produces one or more emissions during use; a memory for storing a plurality of predetermined characteristic profiles, the characteristic profiles including information regarding geographic location and at least one of engine emission levels, noise emission levels, fuel usage levels, power output, load manifest, or speed level; a processor in communication with the memory for accessing the characteristic profile for the determined location of the mobile asset and generating a control command responsive to a selected characteristic profile; and a control unit on board the mobile asset controlling an operation of the mobile asset responsive to the control command. Associated methods are provided. | 05-21-2009 |
20090169983 | BATTERY WITH A PHASE-CHANGING MATERIAL - Batteries containing phase-changing materials are disclosed for improved heating and cooling capabilities so as to minimize unnecessary operating temperature swings, increase heating and cooling uniformity and reduce heating and cooling requirements. The phase changing materials may be disposed on containers located underneath a button sheet, above a plurality of cells, on an inner casing of the battery, and/or on a cooling plate of the battery. | 07-02-2009 |
20090173841 | METHODS AND SYSTEMS FOR DETECTING CAB SIGNALS - A method is provided for distinguishing a valid locomotive control signal from an invalid control signal resulting from the presence of at least one interfering signal. The method includes detecting a signal, and transforming the signal into the frequency domain to create a transformed signal having a number of frequency domain peaks. The validity of the signal is determined based on at least of a number, a spacing, and a magnitude of the frequency domain peaks in the transformed signal. | 07-09-2009 |
20090177335 | SYSTEM, METHOD, AND COMPUTER SOFTWARE CODE FOR OPTIMIZING PERFORMANCE OF A POWERED SYSTEM - A system to optimize performance of a powered system, the system including a data device configured to provide current information about current operating conditions of the powered system and/or prior information about the powered system, a controller configured to control operation of the powered system, and a processor configured to provide at least one control command to the controller for use in operating the powered system and/or user information with at least one recommended command to a user to control the powered system, wherein the at least one control command and/or user information are based at least in part on the current information and/or the prior information. A system and computer software code, stored on a computer readable media and executable with a processor, are also disclosed. | 07-09-2009 |
20090186325 | System, Method, and Computer Software Code for Instructing an Operator to Control a Powered System Having an Autonomous Controller - A method for training an operator to control a powered system is disclosed including operating the powered system with an autonomous controller, and informing an operator of a change in operation of the powered system as the change in operation occurs. A system and a computer software code are also disclosed for training the operator to control the powered system. | 07-23-2009 |
20090187291 | SYSTEM, METHOD, AND COMPUTER SOFTWARE CODE FOR PROVIDING REAL TIME OPTIMIZATION OF A MISSION PLAN FOR A POWERED SYSTEM - A method for operating a powered system, the method including determining whether a mission plan of the powered system is correct to satisfy at least one mission objective of the powered system, if not, updating information used to establish the mission plan, revising the mission plan based on the updated information to satisfy the at least one mission objective, and operating the powered system based on the revised mission plan. A system and a computer software code for operating a powered system are also disclosed. | 07-23-2009 |
20090198391 | SYSTEM, METHOD AND COMPUTER SOFTWARE CODE FOR OBTAINING INFORMATION FOR ROUTING A POWERED SYSTEM AND ADJUSTING A ROUTE IN ACCORDANCE WITH RELEVANT INFORMATION - A method for controlling a powered system, the method including operating the powered system to perform a mission based on an optimized mission plan, identifying when the powered system is approaching a location in the mission where the powered system may change from a first route to a second route, obtaining information about whether the first route or the second route will be taken, and if the second route is taken, adjusting the mission plan to optimize reduced emissions output and/or reduced fuel consumption based on the route change. | 08-06-2009 |
20090198406 | AUTOMATIC BRAKE VERIFICATION SYSTEM - A method of testing a braking device in a drivetrain of a vehicle which includes at least one tractive element coupled to a traction motor. The method includes: (a) applying the braking device to a tractive element of the vehicle; (b) using an electronic controller, causing the traction motor to apply a predetermined force to the tractive element; and (c) using the controller, monitoring the tractive element for movement while the force is being applied. A dynamic braking or “retarder” function may also be tested. A system for carrying out the method is provided. | 08-06-2009 |
20090212168 | System and Method for Transporting Wayside Data on a Rail Vehicle - A system is provided for transporting wayside data on a rail vehicle. The system includes a wayside device positioned adjacent to a rail, where the rail vehicle travels along the rail. The system includes a transceiver coupled to the wayside device to transmit and receive data relating to the operation of the wayside device. Additionally, the system includes a transceiver coupled to the rail vehicle in communication with the wayside device transceiver upon the rail vehicle passing within a proximate distance of the wayside device. The rail vehicle transceiver transmits or receives the data based upon the communication with the wayside device transceiver. The rail vehicle transports the data between the wayside device and a secondary location along a pre-existing route of the rail vehicle prior to the communication with the wayside device transceiver. A method is also provided for transporting wayside data on a rail vehicle. | 08-27-2009 |
20090234523 | SYSTEM AND METHOD FOR DETERMINING A QUALITY OF A LOCATION ESTIMATION OF A POWERED SYSTEM - A system is provided for determining a quality of a location estimation of a powered system at a location. The system includes a first sensor configured to measure a first parameter of the powered system at the location. The system further includes a second sensor configured to measure a second parameter of the powered system at the location. The system further includes a second controller configured to determine the location estimation of the powered system and the quality of the location estimation, based upon a first location of the powered system based on the first parameter, and a second location of the powered system based on the second parameter of the powered system. A method is also provided for determining a quality of a location estimation of a powered system at a location. | 09-17-2009 |
20090254233 | METHOD FOR CONTROLLING VEHICLE OPERATION INCORPORATING QUICK CLEARING FUNCTION - A method for operating a train includes: (a) using a processor carried by the train, creating a trip profile which is computed at so as to substantially optimize an operating parameter of the train which depends on multiple operating variables; (b) operating the train along a route at speeds determined by the trip profile; (c) identifying a target location ahead of the train which cannot be cleared in a desired time if the train operates in accordance with the trip profile; and (d) operating the train at a clearing speed substantially faster than determined by the trip profile until the target location is cleared. A computer program product is provided for carrying out the method. | 10-08-2009 |
20090254239 | SYSTEM, METHOD, AND COMPUTER SOFTWARE CODE FOR DETECTING A PHYSICAL DEFECT ALONG A MISSION ROUTE - A route defect detection system for a powered system, the route defect detection system including a control system connected to the powered system for application of tractive effort, and a processor to determine an unplanned change in the application of tractive effort and/or otherwise associated with the tractive effort of the powered system. Based on the unplanned change, the processor determines a type of defect encountered along a mission route. A method and computer software code stored on a computer readable media and executable with a processor are also disclosed for a powered system to detect a defect along a mission route. | 10-08-2009 |
20090266943 | System and Method For Pacing A Powered System Traveling Along A Route - A system is provided for pacing a powered system traveling along a route separated into a plurality of block regions. Each block region has a respective signal. The system includes a controller configured to receive a status of the signal in an adjacent block region to a current block region of the powered system. The controller is configured to determine a time duration between a change in the status of the signal in an adjacent block region. The controller is further configured to determine an expected status of the signal to be experienced by the powered system in the plurality of block regions, based upon the time duration and a route parameter of the plurality of block regions. | 10-29-2009 |
20090267777 | System and Method For Monitoring An Alertness Of An Operator Of A Powered System - A system is provided for monitoring an alertness of an operator of a powered system. The system includes a controller configured to initiate an alert countdown upon determining a lack of input received from the operator during an operation of the powered system. The controller is configured to communicate an alert to the operator during the alert countdown. Additionally, the controller is configured to measure a response time of the operator to the alert. A method is also provided for monitoring an alertness of an operator of a powered system. | 10-29-2009 |
20090271052 | AUTOMATIC ESTIMATION OF TRAIN CHARACTERISTICS - A system is provided for controlling a series of vehicles. In certain embodiments, the system includes a self-analysis/estimation system configured to control a first parameter of the series of vehicles to impart a resulting changing in a second parameter of the series of vehicles. The self-analysis/estimation system is configured to estimate a third parameter based on the first and second parameters, wherein the third parameter comprises weight, weight distribution, tractive effort, grade, or a combination thereof, associated with the series of vehicles. | 10-29-2009 |
20090271083 | System and Method for Verifying the Availability of a Level of a Braking System in a Powered System - A verification system is provided for verifying the availability of a first level of a braking system in a powered system. The powered system travels along a route. The verification system includes a controller coupled to an engine and a braking system of the powered system. The controller is configured to predetermine one of an activation level of the engine and/or an activation level of the braking system at a plurality of incremental locations along the route. The controller is further configured to activate the first level of the braking system at an incremental location having a predetermined activation level of the braking system which is lower than the first level of the braking system. A method is also provided for verifying the availability of the first level of a braking system in a powered system. | 10-29-2009 |
20090276108 | SYSTEM AND METHOD FOR PROCESSING IMAGES OF WAYSIDE EQUIPMENT ADJACENT TO A ROUTE - A system is provided for processing images of wayside equipment adjacent to a route. The system includes a video camera configured to collect visible spectral data of the wayside equipment. The video camera is positioned on an external surface of a powered system traveling along the route. Additionally, the system includes a controller coupled to the video camera, where the controller is configured to process the visible spectral data, and is further configured to transmit a signal based upon processing the visible spectral data. Additionally, a method and computer readable media are provided for processing images of wayside equipment adjacent to a route. | 11-05-2009 |
20090284228 | SYSTEM AND METHOD FOR PROVIDING HYBRID ENERGY ON A MARINE VESSEL - A system for providing rechargeable energy onboard a marine vessel, the system including an energy storage device aboard a marine vessel, an interface device connected to the energy storage device configured to provide power to charge the energy storage device and/or provide power from the energy storage device to the marine vessel, a converter device connected to the interface device configured to convert power to alternating current and/or direct current, depending on an intended purpose of the system, and a conditioning device connected to the converter device, interface device, and/or energy storage device, and configured to establish an acceptable power level and/or an acceptable power waveform. The energy storage device is configured to provide power to the marine vessel to reduce fuel used, emission output, and/or mechanical noise output. A method for providing rechargeable energy onboard a marine vessel is further disclosed. | 11-19-2009 |
20090288577 | METHOD AND SYSTEM FOR WIND-HARNESSED BATTERY CHARGING IN A LOCOMOTIVE - Systems and methods are described for generating electrical energy and/or charging a system electrical energy storage device in a vehicle, such as a locomotive. The vehicle includes at least one airflow device coupled to an electric machine. In one example, the method includes, generating electrical energy at the electric machine, said machine being driven by an ambient air flow interacting with the airflow device; and delivering at least some of the harnessed energy to an electrical component of the locomotive. The harnessed energy may be delivered to an electrical load, or delivered to the system electrical energy storage device to charge the device, or combinations thereof. | 11-26-2009 |
20090293760 | Variable-Speed-Drive System for a Grid Blower - A drive system for a grid blower of a vehicle is provided. The system includes: an electrical bus, a grid of resistive elements connected to the electrical bus, the grid of resistive elements configured to thermally dissipate electrical power generated from braking of the vehicle, the electrical power being transmitted on the electrical bus to the grid of resistive elements, an electrical power modulation device configured to modify electrical power received from at least one of the electrical bus and the grid of resistive elements, and a grid blower motor coupled to an output of the electrical power modulation device, wherein a speed of the grid blower motor varies based on the electrical power that has been modified by the electrical power modulation device. | 12-03-2009 |
20090309976 | System, Method and Computer Readable Medium for Determining an Informational Property of Wayside Equipment Adjacent to a Route - A system is provided for determining an informational property of wayside equipment adjacent to a route. The system includes a camera to collect visible spectral data of the wayside equipment. The camera is attached to a powered system traveling along the route. The system includes at least one filter to filter a known portion of the visible spectral data based upon known filter properties. The system further includes a controller coupled to the camera, to compare unfiltered visible spectral data with the filtered visible spectral data, in conjunction with the known properties of the filter, to determine the informational property of the wayside equipment. The unfiltered visible spectral data includes the data collected by the camera prior to the at least one filter being applied to the camera. Additionally, a method and computer readable medium are provided for determining an informational property of wayside equipment adjacent to a route. | 12-17-2009 |
20090314179 | ELECTRICAL ENERGY CAPTURE SYSTEM WITH CIRCUITRY FOR BLOCKING FLOW OF UNDESIRABLE ELECTRICAL CURRENTS THEREIN - An electrical energy capture system, as may be carried on a hybrid energy, electro-motive, self-powered traction vehicle, is provided. The system may be used for storing electrical power generated on the vehicle and for discharging the stored electrical power for use on the vehicle. The system includes circuitry connected to a plurality of electrical energy storage devices connected in parallel circuit to one another. The circuitry may be configured to establish a respective circuit path for charging and discharging electrical energy from each energy storage device with respect to a DC bus. The circuitry is further configured to block a flow of electrical current from any one of the storage devices to any of the other storage devices, thereby avoiding flow of currents that could otherwise circulate among the electrical energy storage devices due to electrical imbalances that may occur in one or more of the electrical energy storage devices. | 12-24-2009 |
20090315328 | SYSTEM AND METHOD FOR LOCOMOTIVE ENGINE CRANKING - In a method of operating a starting system coupled to a crankshaft of a vehicle engine, during engine starting, torque supplied by the starting system to the engine is continuously adjusted to provide more than two levels based on operating conditions of the vehicle or engine. | 12-24-2009 |
20100009578 | SYSTEM AND METHOD FOR DYNAMIC ENERGY RECOVERY IN MARINE PROPULSION - A method for controlling operation of a propulsion system of a waterborne vessel, comprising adjusting recovery of energy generated from the propulsion system to maintain position of the waterborne vessel in response to at least an indication of vessel position. | 01-14-2010 |
20100019726 | METHOD AND SYSTEM FOR CONTROL OF A VEHICLE ENERGY STORAGE DEVICE - Systems and methods are described for controlling a power transfer rate in to and/or out of an energy storage device on-board a vehicle, such as a locomotive, during a power transfer opportunity. In one example, the method includes adjusting the power transfer rate based on a predetermination of a duration of the power transfer opportunity to match a duration of power transfer to the duration of the opportunity and achieve a specified state of charge. | 01-28-2010 |
20100023190 | TRIP OPTIMIZER METHOD, SYSTEM AND COMPUTER SOFTWARE CODE FOR OPERATING A RAILROAD TRAIN TO MINIMIZE WHEEL AND TRACK WEAR - A system for controlling a railroad train over a segment of track. The system comprises a first element for determining a location of the train on the segment of track; a second element for providing track characterization information for the segment of track; the track characterization information related to physical conditions of the segment of track; and a processor for controlling applied tractive forces and braking forces of the train responsive to the location of the train and the track characterization information to reduce at least one of wheel wear and/or track wear during operation of the train over the segment of track. | 01-28-2010 |
20100063657 | SYSTEM, METHOD AND COMPUTER READABLE MEMORY MEDIUM FOR VERIFYING TRACK DATABASE INFORMATION - A system for verifying data in a track database comprises a track profile database stored in a memory having data relative to one or more track grades and geographic coordinates or range of coordinates associated with each of the one or more track grades. A vehicle trip plan is developed according to the track profile data that comprises a designated path of travel of the vehicle over the track system and a planned vehicle operating condition associated with each of the one or more track grades and the associated coordinates or range of coordinates of the track grades. A controller is configured to compare a stored current vehicle operating condition of the vehicle and associated geographic coordinates to the planned vehicle operating condition to verify the accuracy of the track grade data at the associated geographic coordinates. | 03-11-2010 |
20100063734 | SYSTEM AND METHOD FOR VERIFYING TRACK DATABASE INFORMATION - The system comprises a track profile database stored in a memory that has data relative to the identity of one or more wayside devices for a track and data relative to a location associated with each of the one or more wayside devices on the track. A camera generates visible spectral data of the wayside equipment as the vehicle travels on the track. A data storage device is provided for storing the spectral data received from the camera and data relative to a location of the powered vehicle when the camera generates the spectral data of the wayside equipment wherein the location of the powered vehicle represents the location of the wayside equipment. A controller is configured to compare the location data of the wayside equipment in the database to the location data associated with the spectral data of the wayside equipment stored in the data storage device. | 03-11-2010 |
20100070116 | SYSTEM AND METHOD FOR CONTROLLING A BRAKING EFFORT OF A BRAKING SYSTEM IN A POWERED SYSTEM - A control system is provided for controlling a braking effort of a braking system in a powered system. The powered system travels along a route. The control system includes a controller coupled to the braking system, where the controller is configured to monitor the braking effort of the braking system at a braking region along the route. The controller is further configured to control the braking effort at the braking region, such that the braking effort approaches within a predetermined range of a braking effort threshold, but does not exceed the braking effort threshold. A method is also provided for controlling a braking effort of a braking system in a powered system. | 03-18-2010 |
20100070172 | SYSTEM AND METHOD FOR DETERMINING A CHARACTERISITIC OF AN OBJECT ADJACENT TO A ROUTE - A system is provided for determining at least one characteristic of an object positioned adjacent to a route. The characteristic of the object is related to the operation of a powered system. The powered system travels along the route. The system includes a plurality of cameras attached to the powered system. The plurality of cameras are aligned along a respective line of sight to the object. A method and computer readable media are also provided for determining at least one characteristic of an object positioned adjacent to a route. | 03-18-2010 |
20100084916 | Systems and Methods For The Utilization Of Energy Generated By A Powered Vehicle - The present invention is directed to a power transfer system and method for utilizing the electrical power generated by a powered vehicle, such as a locomotive. The power transfer system comprises an electromotive machine configured to generate electrical energy on the powered vehicle and an electrical system located outboard from the powered vehicle, which is configured to receive electrical energy. Interface equipment is provided, which is electrically coupled to the electromotive machine and the electrical system, to transfer electrical energy from the electromotive machine to the electrical system. | 04-08-2010 |
20100090135 | SYSTEM AND METHOD FOR DETERMINING CHARACTERISTIC INFORMATION OF AN OBJECT POSITIONED ADJACENT TO A ROUTE - A system is provided for determining characteristic information of an object positioned adjacent to a route. The system includes a first camera configured to collect a first set of spectral data of the object. The system further includes a second camera configured to collect a second set of spectral data of the object. The first and second cameras are attached to a powered system traveling along the route. The system further includes a controller coupled to the first camera and the second camera. The controller is configured to determine the characteristic information of the object based on the first set of spectral data and the second set of spectral data of the object. Additionally, a method is provided for determining characteristic information of the object positioned adjust to the route. | 04-15-2010 |
20100127563 | PROPULSION SYSTEM - A propulsion system is provided. The system includes: a first propulsion vehicle unit including a first tractive bank having at least one traction motor; a second propulsion vehicle unit including: a second tractive bank having at least one traction motor, a contactor electrically coupling the first propulsion vehicle unit and the second propulsion vehicle unit, and an electrical power modulation device coupled between the first tractive bank and the second tractive bank, the electrical power modulation device having an electrical current threshold that causes the electrical power modulation device to transition to an open state to reduce or prevent transfer of electrical power between the first propulsion unit and the second propulsion unit in response to an electrical current at the electrical power modulation device being above the electrical current threshold. | 05-27-2010 |
20100148581 | POWER SYSTEM AND METHOD FOR DRIVING AN ELECTROMOTIVE TRACTION SYSTEM AND AUXILIARY EQUIPMENT THROUGH A COMMON POWER BUS - Power system and method for providing electrical power are provided. The system includes a traction system and auxiliary equipment coupled to a power bus. The traction system includes one or more electromotive machines having a first type of stator winding that provides protection relative to voltage spikes expected at the traction stator under a first voltage level appropriate for the traction system. The auxiliary equipment includes one or more electromotive machines having a second type of stator winding that provides protection relative to spikes expected at the auxiliary stator under a second voltage level lower than the first voltage level. Inverter circuitry is coupled to drive the auxiliary equipment, and signal-conditioning circuitry is provided to attenuate voltage spikes produced by the inverter circuitry. The power bus is operated at the first voltage level, and the voltage spike attenuation is sufficient to protect the auxiliary stator. | 06-17-2010 |
20100153419 | DIGITAL RAILROAD SYSTEM - Systems are provided for efficiently managing the effects of a change to a transportation system's state. One example system comprises a plurality of distributed data input and data output terminals, the distributed data input terminal configured to automatically generate data related to a first aspect of transportation system operation, at least one of a distributed database and a synchronized database configured to store data, a plurality of distributed computational engines configured to receive data from at least one database, and based on the data received, automatically manage operations of a second, different aspect of the transportation system operations, and a communications network linking the data input terminals, the data output terminals, the databases, and the computational engines, wherein the change to the transportation system's state is initiated by the data generated at the distributed input terminals. | 06-17-2010 |
20100175580 | ASSEMBLY AND METHOD FOR VEHICLE SUSPENSION - Truck assemblies, systems and methods are provided for transferring weight supported by various wheels, and axles. The vehicle suspension method includes operating the suspension in a first mode with a first effective suspension spring rate; and operating the suspension in a second mode with a second, different, effective suspension spring rate. | 07-15-2010 |
20100175581 | VEHICLE AND TRUCK ASSEMBLY - Truck assemblies, systems and methods are provided for transferring weight supported by various wheels, and axles. An example truck assembly may include a truck frame element, and a carrier coupled with the truck frame element. A bias may be configured to bias the carrier away from the truck frame element. An actuatable linkage arrangement may include a compliant linkage coupled with the carrier. The compliant linkage may pull the carrier against the bias in a first direction. | 07-15-2010 |
20100186619 | RAIL VEHICLE SYSTEM - A rail vehicle system includes a locomotive and a plurality of load units (freight cars) attached to the locomotive for movement along a railroad track. The load units may be tanker cars, box cars, and/or flatbed cars. Each load unit includes a traction motor (connected to one or more wheels of the load unit), an electrical energy storage system onboard the load unit for providing electrical power to the load unit traction motor; and a load unit engine onboard the load unit that provides charging electric energy to the electrical energy storage system. (Alternatively or in addition, the electrical energy storage system may be charged through dynamic braking.) In a train formed of only the locomotive(s) and load units, all rail vehicles of the train, even freight cars, provide tractive effort. | 07-29-2010 |
20100203820 | LOCOMOTIVE DYNAMIC BRAKING GRID PACKAGE CONFIGURATION - In a locomotive having a dynamic braking capability, a method for maintaining an airflow path to a resistive grid disposed within a resistive grid enclosure having an enclosure inlet and an enclosure outlet is provided, wherein the method includes generating an inlet airflow into the enclosure inlet, creating a heated inlet airflow by associating the inlet airflow with the resistive grid such that the inlet airflow absorbs heat generated by the resistive grid, directing the heated inlet airflow toward the enclosure outlet to generate a heated outlet airflow, redirecting at least a portion of the heated outlet airflow to be thermally associated with a structural portion of the enclosure inlet such that the temperature of the structural portion of the enclosure inlet is increased above a predetermined temperature to reduce blockage of the enclosure inlet by snow and recirculating the redirected heated outlet airflow with ambient air being drawn into the resistive grid enclosure. | 08-12-2010 |
20100217462 | OPERATING SYSTEM AND METHOD FOR CONTROLLING A POWERED VEHICLE - A system for the communication of data used in the operation of a powered vehicle comprises a plurality of controllers onboard the powered vehicle for controlling operations of the vehicle. At least one of the controllers has a memory in which data is stored and the data is accessible and used by at least two of the controllers for controlling vehicle operations. A communication link is provided between the at least two controllers for sharing data stored in the memory of one of the controllers to control operations of the powered vehicle. | 08-26-2010 |
20100318247 | SYSTEM AND METHOD FOR REGULATING SPEED, POWER OR POSITION OF A POWERED VEHICLE - A system for regulating the speed, position and/or power of a powered vehicle, which is traveling on a track system according to a planned trip. The system comprises a database having data relative to the planned trip including a plurality of elapsed travel times associated with a planned speed, position and power. One or more controllers provide data including data relative to an operating speed, position and power of the vehicle during the trip and an operating time at which the vehicle is traveling at the operating speed, power or position. A regulator may adjust the operating parameter of the vehicle if the difference between the vehicle operating data and planned trip data exceeds a predetermined threshold speed. | 12-16-2010 |
20100319567 | System and Method For Modification of a Baseline Ballast Arrangement of a Locomotive - A system and method for modification of a baseline ballast arrangement of a locomotive (or other rail vehicle) having an overall tractive effort rating based on symmetrical distribution of weight and driving torque applied by the locomotive to the respective axles of the locomotive. The system includes a locomotive (or other rail vehicle) truck comprising an un-powered first axle and a powered second axle. The system also includes a first suspension assembly configured to apply to the first axle a first portion of a locomotive weight and a second suspension assembly configured to apply to the second axle a second portion of the locomotive weight different from the first portion. An amount of locomotive weight allocated from the first axle to the second axle allows modification of a baseline ballast arrangement by reducing an amount of ballast in the baseline ballast arrangement corresponding to the amount of weight allocated from the first axle to the second axle. The axle weight distribution involves relatively slight weight distribution compared to the nominal weights normally carried by the axles. | 12-23-2010 |
20100319568 | SYSTEM AND METHOD FOR DYNAMICALLY AFFECTING A FORCE APPLIED THROUGH A RAIL VEHICLE AXLE - A system is provided for dynamically affecting a force applied through at least one axle of a rail vehicle configured to travel along a rail track. The rail vehicle includes a plurality of axles and a plurality of wheels received by the plurality of axles. The system includes a device configured to selectively impart the force through the at least one axle to control a respective weight of the at least one axle on the rail track for affecting a traction performance of the rail vehicle traveling along the rail track. | 12-23-2010 |
20110041723 | Electrical Energy Capture System with Circuitry For Blocking Flow of Undesirable Electrical Currents Therein - An electrical energy capture system, as may be carried on a hybrid energy, electro-motive, self-powered traction vehicle, is provided. The system may be used for storing electrical power generated on the vehicle and for discharging the stored electrical power for use on the vehicle. The system includes circuitry connected to a plurality of electrical energy storage devices connected in parallel circuit to one another. The circuitry may be configured to establish a respective circuit path for charging and discharging electrical energy from each energy storage device with respect to a DC bus. The circuitry is further configured to block a flow of electrical current from any one of the storage devices to any of the other storage devices, thereby avoiding flow of currents that could otherwise circulate among the electrical energy storage devices due to electrical imbalances that may occur in one or more of the electrical energy storage devices. | 02-24-2011 |
20110079168 | VEHICLE SUSPENSION CONTROL SYSTEM AND METHOD - Methods and systems are provided for a vehicle having a plurality of axles and a lift mechanism configured to dynamically transfer weight from one axle to another. In one example, the method comprises, responding to an operating condition by adjusting the lift mechanism to provide a determined amount of lift, and in response to vehicle braking, a vehicle stall risk, poor infrastructure conditions, and/or a high vehicle penalty, reducing the determined amount of lift. | 04-07-2011 |
20110080040 | POWER GENERATION APPARATUS - An apparatus including an alternator that is drivable by an engine for producing a first AC electric current, a rectifier in electrical communication with the alternator for producing a DC electric current, an inverter in electrical communication with the rectifier for producing a second AC electric current where the second AC electric current having an acceptable frequency and/or voltage, and the inverter in electrical communication with one or more electric loads responsive to the second AC electric current, and an energy storage device that is able to electrically couple to the alternator, rectifier, and/or inverter. | 04-07-2011 |
20110080042 | SYSTEM AND METHOD FOR PROVIDING POWER TO TWO LOADS FROM A SINGLE THREE-PHASE INVERTER - A method for providing electrical power to two loads on a powered system/unit, the method including supplying electrical power from a first phase and a second phase of a three-phase inverter to a first load, supplying electrical power from the second phase and a third phase of a three-phase inverter to a second load, and independently controlling the first phase and the third phase of the electrical power to comply with an electrical requirement of the first load and/or the second load. The two loads may be DC loads that require DC power for operation, or the loads may be AC loads that require two-phase power for operation. A system for providing electrical power to two loads on a powered unit is also disclosed. | 04-07-2011 |
20110082606 | VEHICLE SUSPENSION CONTROL SYSTEM AND METHOD - Methods and systems are provided for controlling a vehicle having a first truck with a first lift mechanism and a second truck with a second lift mechanism, each of the first and second trucks further configured with a plurality of axles, each of the first and second lift mechanisms configured to dynamically transfer weight from one axle to another. In one embodiment, the method comprises, responding to an operating condition by adjusting the first lift mechanism different from the second lift mechanism. | 04-07-2011 |
20110085363 | POWER ELECTRONICS AND INTEGRATION SYSTEM FOR PROVIDING A COMMON HIGH CURRENT INVERTER FOR USE WITH A TRACTION INVERTER AND AN AUXILIARY INVERTER - A system for using an IGBT module, electrically rated for use in a traction inverter used with a powered system, in an auxiliary inverter used with the powered system which requires a different electrically rated IGBT module than the traction inverter, the system including an IGBT module, including plurality of IGBTs as part of the IGBT module, electrically rated for use with a traction inverter, and a plurality of gate drives each configured to singularly connect to a respective one of the plurality of IGBTs within the IGBT module. All three phases of three-phase electrical power of the auxiliary inverter are associated with the IGBT module. | 04-14-2011 |
20110106401 | METHOD FOR CONTROLLING A POWERED SYSTEM - A method is provided for controlling a powered system including an engine operating on a plurality of fuel types. The method includes generating operational input signals from operational input devices, and generating a respective configuration signal indicative of a particular location of the powered system along a predetermined course comprising a mission. Additionally, based on the operational input signals, the configuration signal, and a respective engine emission profile for each of said configuration signal, the method includes generating control signals to a plurality of end use devices of the powered system to limit one or more of the total engine emissions of the fuel types, the total fuel efficiency of the fuel types, the total output power of the engine, a time of arrival of the powered system along the predetermined course, and/or a combination thereof. | 05-05-2011 |
20110118899 | METHOD AND SYSTEM FOR INDEPENDENT CONTROL OF VEHICLE - Methods and systems are provided for controlling movement of a train including a plurality of locomotives along a route. In one example, the method comprises, generating a first plan profile, the first plan profile including synchronous settings for the locomotives over a route, and generating a second plan profile based on the first plan profile, the second plan profile including independent settings for the locomotives over at least one region within the route. The method may further comprise, operating the locomotives based in the first and/or second plan profiles. In another example, the method comprises, generating a plan profile with fully independent settings for the locomotives over the entire route, the fully independent settings based on cost function coefficients of each locomotive. | 05-19-2011 |
20110118914 | METHOD AND SYSTEM FOR INDEPENDENT CONTROL OF VEHICLE - Methods and systems are provided for controlling movement of a train including a plurality of locomotives along a route. In one example, the method comprises, generating a first plan profile, the first plan profile including synchronous settings for the locomotives over a route, and generating a second plan profile based on the first plan profile, the second plan profile including independent settings for the locomotives over at least one region within the route. The method may further comprise, operating the locomotives based in the first and/or second plan profiles. In another example, the method comprises, generating a plan profile with fully independent settings for the locomotives over the entire route, the fully independent settings based on cost function coefficients of each locomotive. | 05-19-2011 |
20110183554 | SYSTEM AND METHOD FOR DYNAMIC ENERGY RECOVERY IN MARINE PROPULSION - A method for controlling operation of a propulsion system of a waterborne vessel, comprising adjusting recovery of energy generated from the propulsion system to maintain position of the waterborne vessel in response to at least an indication of vessel position. | 07-28-2011 |
20110186692 | SYSTEM AND METHOD FOR PACING A POWERED SYSTEM TRAVELING ALONG A ROUTE - A system is provided for pacing a powered system traveling along a route separated into a plurality of block regions. Each block region has a respective signal. The system includes a controller configured to receive a status of the signal in an adjacent block region to a current block region of the powered system. The controller is configured to determine a time duration between a change in the status of the signal in an adjacent block region. The controller is further configured to determine an expected status of the signal to be experienced by the powered system in the plurality of block regions, based upon the time duration and a route parameter of the plurality of block regions. | 08-04-2011 |
20110205070 | SYSTEM FOR MONITORING AN ALERTNESS OF AN OPERATOR OF A POWERED SYSTEM - A system is presented for monitoring an alertness of an operator of a powered system which operates based on a profile. The monitoring system includes a controller to initiate a query to the operator during an operation of the powered system. The query is used to prompt the operator for information related to the operation of the powered system along the profile. The controller compares a response to the query with a correct answer of the query to determine the alertness of the operator. | 08-25-2011 |
20110221159 | ASSEMBLY AND METHOD FOR VEHICLE SUSPENSION - Truck assemblies, systems and methods are provided for transferring weight supported by various wheels, and axles. The vehicle suspension method includes operating the suspension in a first mode with a first effective suspension spring rate; and operating the suspension in a second mode with a second, different, effective suspension spring rate. | 09-15-2011 |
20110257869 | FUEL MANAGEMENT SYSTEM AND METHOD - A system includes an engine and a controller. The engine is capable of multiple operating modes, and each mode has a relatively different fuel ratio such that as the engine is changed from a first operating mode having a first ratio of a first fuel to a second fuel to a second operating mode having a second ratio of the first fuel to the second fuel. The controller is operable to change the engine from one operating mode to another operating mode. | 10-20-2011 |
20110308765 | THERMAL MANAGEMENT SYSTEM AND METHOD - A system includes an interior duct, a blower, a vent coupling, and a secondary duct. The interior duct is fluidly coupled with the inlet and with an energy storage device disposed in a vehicle. The blower draws cooling fluid received through the inlet and through the interior duct to cause a first portion of the cooling fluid to flow over and/or through the energy storage device. The vent coupling directs the first portion of the cooling fluid that flowed over and/or through the energy storage device into a vented area. The secondary duct directs a second portion of the cooling fluid from the interior duct into the vent coupling to mix with the first portion of the cooling fluid after the first portion of the cooling fluid flows over and/or through the energy storage device. | 12-22-2011 |
20110315496 | POWER TRANSFER SYSTEM AND METHOD - A contactless power transfer system for a mobile asset is presented. The system includes a primary loop disposed adjacent to a location that is coupled to a power source. A secondary receiving coil is disposed on the mobile asset and coupled to a traction motor for receiving power from the primary loop. The power transfer system further includes a field-focusing element that can focus a magnetic field from the primary loop onto the secondary receiving coil, the field-focusing element having a non-linear current distribution. | 12-29-2011 |
20120022728 | METHOD AND SYSTEM FOR ENGINE EMISSION CONTROL - Methods and systems are provided for improving a balance between engine fuel economy and exhaust emissions in an off-highway vehicle. One example method includes adjusting an engine injection timing based on an ambient NOx level estimated by a NOx sensor in the engine intake. Another example method includes adjusting a trip plan with a time in notch duty cycle based on a deviation from the time in notch duty cycle from a reference duty cycle. | 01-26-2012 |
20120078454 | SYSTEM AND METHOD FOR VERIFYING THE AVAILABILITY OF A LEVEL OF A BRAKING SYSTEM IN A POWERED SYSTEM - A verification system is provided for verifying the availability of a first level of a braking system in a powered system. The powered system travels along a route. The verification system includes a controller coupled to an engine and a braking system of the powered system. The controller is configured to predetermine one of an activation level of the engine and/or an activation level of the braking system at a plurality of incremental locations along the route. The controller is further configured to activate the first level of the braking system at an incremental location having a predetermined activation level of the braking system which is lower than the first level of the braking system. A method is also provided for verifying the availability of the first level of a braking system in a powered system. | 03-29-2012 |
20120129022 | ELECTROCHEMICAL DEVICE, METHOD, AND ASSEMBLY - An electrochemical device is disclosed that includes a plurality of cells that each include a face, wherein a terminal is disposed on the faces of each respective cell. A bus bar has a bus bar height and electrically couples the terminals from cell-to-cell within the electrochemical device. A plurality of sheets are disposed between the plurality of cells, the plurality of sheets are substantially the same height as the combined, height of each cell and bus bar. | 05-24-2012 |
20120167797 | DYNAMIC WEIGHT MANAGEMENT FOR A VEHICLE VIA HYDRAULIC ACTUATORS - Methods and system are provided for a vehicle truck assembly which includes a spring coupling an axle carrier to a truck frame. In one example, the system comprises a substantially vertically-mounted hydraulic actuator which generates hydraulic forces between the axle carrier and the truck frame. The actuator includes a cylinder, a piston, and a piston rod. Further, the actuator is coupled between the axle carrier and the truck frame with longitudinal and lateral play so that the axle carrier can move laterally and longitudinally with respect to the truck frame while the actuator applies hydraulic force. | 07-05-2012 |
20120169050 | SYSTEM AND METHOD FOR OFF-HIGHWAY VEHICLE ENGINE CRANKING - Methods and systems are provided for operating an engine, the engine coupled to a traction alternator for vehicle travelling. In one example, the method includes, in an off-highway vehicle running mode of operation, supplying current from the traction alternator to a traction motor via a traction inverter to propel the vehicle, and, in a starting mode of operation, supplying stored energy from a first energy source and a secondary energy source to the traction alternator to start the engine. | 07-05-2012 |
20120173056 | SYSTEM AND METHOD FOR DYNAMICALLY DETERMINING A FORCE APPLIED THROUGH A RAIL VEHICLE AXLE - A system is provided for dynamically determining a force applied through a plurality of axles in a rail vehicle configured to travel along a rail track in a travel direction. The rail vehicle includes a plurality of wheels received by the plurality of axles. The system includes a controller configured to determine a respective dynamic weight shift of the plurality of wheels on the rail track based upon a dynamic factor of the rail vehicle as the rail vehicle travels along the rail track. | 07-05-2012 |
20120199039 | Variable-Speed-Drive System for a Grid Blower - A drive system for a grid blower of a vehicle is provided. The system includes: an electrical bus, a grid of resistive elements connected to the electrical bus, the grid of resistive elements configured to thermally dissipate electrical power generated from braking of the vehicle, the electrical power being transmitted on the electrical bus to the grid of resistive elements, an electrical power modulation device configured to modify electrical power received from at least one of the electrical bus and the grid of resistive elements, and a grid blower motor coupled to an output of the electrical power modulation device, wherein a speed of the grid blower motor varies based on the electrical power that has been modified by the electrical power modulation device. | 08-09-2012 |
20120232726 | SYSTEM AND METHOD FOR DETERMINING A QUALITY VALUE OF A LOCATION ESTIMATION OF A POWERED SYSTEM - A system is provided for determining a quality of a location estimation of a powered system at a location. The system includes a first sensor configured to measure a first parameter of the powered system at the location. The system further includes a second sensor configured to measure a second parameter of the powered system at the location. The system further includes a second controller configured to determine the location estimation of the powered system and the quality of the location estimation, based upon a first location of the powered system based on the first parameter, and a second location of the powered system based on the second parameter of the powered system. A method is also provided for determining a quality of a location estimation of a powered system at a location. | 09-13-2012 |
20120234637 | LOCOMOTIVE DYNAMIC BRAKING GRID PACKAGE CONFIGURATION - A resistive grid enclosure for a vehicle having a dynamic braking capability, the grid enclosure defining an air inlet, an air outlet, and an airflow path through the enclosure from the air inlet to the air outlet. A resistive grid disposed within the enclosure is cooled by air flowing through the airflow path from the air inlet to the air outlet. The airflow path is configured so that an inlet airflow is heated by absorbing heat from the resistive grid and directed toward the air outlet forming a heated outlet airflow. The airflow path is further configured to direct at least a portion of the heated outlet airflow into the air inlet to reduce blockage of the air inlet by ice or snow. | 09-20-2012 |
20120239348 | CONDITION MONITORING OF MECHANICAL DRIVE TRAIN COUPLED WITH ELECTRICAL MACHINES - A method of monitoring health of a mechanical drive train is provided. The method includes obtaining voltage and current signals from at least one phase of an electrical machine coupled with the mechanical drive train. The method also includes representing the electrical machine having a non-sinusoidal flux distribution as a combination of a plurality of harmonic order sinusoidally distributed virtual electrical machines based on the obtained voltage and current signals. The method further includes determining a torque profile associated with one or more combinations of the sinusoidally distributed virtual electrical machines. Finally, the method includes detecting the presence of an anomaly in the mechanical drive train based on the torque profile or spectrum. | 09-20-2012 |
20120253565 | VEHICLE SUSPENSION CONTROL SYSTEM AND METHOD - Methods and systems are provided for a vehicle having a plurality of axles and a lift mechanism configured to dynamically transfer weight from one axle to another. In one example, the method comprises, responding to an operating condition by adjusting the lift mechanism to provide a determined amount of lift, and in response to vehicle braking, a vehicle stall risk, poor infrastructure conditions, and/or a high vehicle penalty, reducing the determined amount of lift. | 10-04-2012 |
20120259486 | SYSTEM AND METHOD FOR DETERMINING A MISMATCH BETWEEN A MODEL FOR A POWERED SYSTEM AND THE ACTUAL BEHAVIOR OF THE POWERED SYSTEM - A system is provided for determining a mismatch between a model for a powered system and the actual behavior of the powered system. The system includes a coupler positioned between adjacent cars of the powered system. The coupler is positioned in a stretched slack state or a bunched slack state based upon the separation of the adjacent cars. The system further includes a controller positioned within the powered system. The controller is configured to determine a mismatch of the model. A method is also provided for determining a mismatch between a model for a powered system and the actual behavior of the powered system. | 10-11-2012 |
20120259531 | SYSTEM, METHOD, AND COMPUTER SOFTWARE CODE FOR IMPROVED FUEL EFFICIENCY EMISSION OUTPUT, AND MISSION PERFORMANCE OF A POWERED SYSTEM - A method is provided including determining a first power level required from a diesel powered system. The first power level corresponds to a first proportion of a maximum power. The method also includes determining an emission output for a mission based on the first power level. The method further includes determining a second power level corresponding to a second proportion of the maximum power, wherein alternate use of the second power level and at least one of the first power level or a third power level results in a lower emission output for the mission, with the overall resulting power being proximate the minimum power required. The method also includes automatically controlling operation of the diesel powered system by using the second power level alternately with at least one of the first power level or the third power level. | 10-11-2012 |
20120268077 | METHOD AND SYSTEM FOR CONTROL OF A VEHICLE ENERGY STORAGE DEVICE - Systems and methods are described for controlling a power transfer rate in to and/or out of an energy storage device on-board a vehicle, such as a locomotive, during a power transfer opportunity. In one example, the method includes adjusting the power transfer rate based on a predetermination of a duration of the power transfer opportunity to match a duration of power transfer to the duration of the opportunity and achieve a specified state of charge. | 10-25-2012 |
20120277939 | SYSTEM, METHOD, AND COMPUTER READABLE MEMORY MEDIUM FOR VERIFYING TRACK DATABASE INFORMATION - A system for verifying data in a track database comprises a track profile database stored in a memory having data relative to one or more track grades and geographic coordinates or range of coordinates associated with each of the one or more track grades. A vehicle trip plan is developed according to the track profile data that comprises a designated path of travel of the vehicle over the track system and a planned vehicle operating condition associated with each of the one or more track grades and the associated coordinates or range of coordinates of the track grades. A controller is configured to compare a stored current vehicle operating condition of the vehicle and associated geographic coordinates to the planned vehicle operating condition to verify the accuracy of the track grade data at the associated geographic coordinates. | 11-01-2012 |
20120277940 | SYSTEM AND METHOD FOR CONTROLLING MOVEMENT OF VEHICLES - A method includes determining an operational parameter of a first vehicle traveling with a plurality of vehicles in a transportation network and/or a route in the transportation network, identifying a failure condition of the first vehicle and/or the route based on the operational parameter, obtaining plural different sets of remedial actions that dictate operations to be taken based on the operational parameter, simulating travel of the plurality of vehicles in the transportation network based on implementation of the different sets of remedial actions, determining potential consequences on travel of the plurality of vehicles in the transportation network when the different sets of remedial actions are implemented in the travel that is simulated, and based on the potential consequences, receiving a selection of at least one of the different sets of remedial actions to be implemented in actual travel of the plurality of vehicles in the transportation network. | 11-01-2012 |
20120303237 | METHODS AND SYSTEMS FOR THROTTLE CONTROL AND COUPLING CONTROL FOR VEHICLES - A multi-mode control system for a locomotive includes a throttle control device having notch settings corresponding to, for a first, long haul mode, control signals for providing respective tractive effort or power from the locomotive, a master controller in communication with the throttle control device and adapted to receive said control signals from the throttle control device and to transmit respective command signals to power-train components of the locomotive to achieve the respective tractive effort or power, the master controller also adapted for sending alternative command signals when a user-operable mode selector is set to one of one or more alternative modes. The user-operable mode selector includes one or more user interface devices in communication with the master controller for selecting one alternative mode of the one or more alternative modes. | 11-29-2012 |
20120310453 | METHOD AND COMPUTER SOFTWARE CODE FOR UNCOUPLING POWER CONTROL OF A DISTRIBUTED POWERED SYSTEM FROM COUPLED POWER SETTINGS - A method for powering a powered system having a first power generating unit where power settings for the first power generating unit are decoupled from power settings for a second power generating unit, the method including developing a power operating plan which is independent of a coupled power setting, and determining a power setting responsive to the power operating plan. A computer software code operable within a processor and configured to reside on a computer readable media for powering a powered system having at least a first power generating unit where power settings for the at least first power generating unit are decoupled from power settings for at least a second power generating unit is further disclosed. | 12-06-2012 |
20120316717 | SYSTEM AND METHOD FOR CONTROLLING AND POWERING A VEHICLE - A control system includes a controller and an energy management system. The controller is onboard a vehicle that includes motors and an onboard energy storage device that powers the motors. The energy management system calculates estimated electric loads of powering the motors over one or more segments of a trip according to designated operational settings of a trip plan. The energy management system also determines a demanded amount of electric energy for powering the vehicle based on the estimated electric loads. The demanded amount of electric energy is based on a stored amount of electric energy in the onboard storage device. The energy management system communicates the demanded amount of electric energy to one or more of plural wayside stations disposed along the route so that the wayside stations have sufficient electric energy to charge the onboard energy storage device with the electric energy to meet the estimated electric loads. | 12-13-2012 |
20120319653 | SYSTEM AND METHOD FOR RECHARGEABLE BATTERY - A rechargeable battery has a plurality of cell strings each having a plurality of rechargeable electrochemical cells connected in series, and a plurality of charge regulators each connected in series with one of the cell strings. Each charge regulator is adapted to limit a charge voltage or current applied to the cell string based on a determined top-of-charge voltage for each cell string. In an embodiment, the rechargeable battery has a monitoring system to sense an operating parameter of the cell string and determine the top-of-charge voltage, and each of the charge regulators includes a charge voltage controller in communication with the monitoring system. In another embodiment, the rechargeable battery has discharge regulators each connected in series with one of the cell strings, and adapted to limit a discharge voltage or current from a given cell string based upon at least one monitored parameter of the cell string. | 12-20-2012 |
20120323412 | METHOD AND COMPUTER SOFTWARE CODE FOR DETERMINING A MISSION PLAN FOR A POWERED SYSTEM WHEN A DESIRED MISSION PARAMETER APPEARS UNOBTAINABLE - A method for determining a mission plan for a powered system having at least one primary power generating unit when a desired parameter of the mission plan unobtainable and/or exceeds a predefined limit, the method includes identifying a desired parameter prior to creating a mission plan which may be unobtainable and/or in violation of a predefined limit, and notifying an operator of the powered system and/or a remote monitoring facility of the desired parameter. | 12-20-2012 |
20130000507 | LOCOMOTIVE TRUCK AND METHOD FOR DISTRIBUTING WEIGHT ASYMMETRICALLY TO AXLES OF THE TRUCK - A locomotive (or other rail vehicle) truck and method for distributing weight asymmetrically to axles of the truck includes a first axle of a truck uncoupled from a traction system of the locomotive and a first suspension assembly coupling the first axle to the truck for applying to the first axle a first portion of a locomotive weight. The truck also includes a second axle coupled to the traction system and a second suspension assembly coupling the second axle to the truck for applying a second portion of the locomotive weight to the second axle that is greater than the first portion so that weight is asymmetrically distributed to the first axle and the second axle so as to transmit a corresponding incremental amount of tractive effort for a given amount of a driving torque applied to the second axle via the traction system of the locomotive. The axle weight distribution involves relatively slight weight distribution compared to the nominal weights normally carried by the axles. | 01-03-2013 |
20130013138 | SYSTEM AND METHOD FOR PREDICTING MECHANICAL FAILURE OF A MOTOR - A method for predicting mechanical failure of a traction motor in a vehicle includes monitoring first characteristics of an electrical signal supplied to a traction motor of a vehicle during a first detection window. The first characteristics represent a first motor electrical signature for the traction motor. The method also includes deriving one or more signature values from a first mathematical model of the first motor electrical signature and predicting a mechanical failure of the traction motor based on the one or more signature values. | 01-10-2013 |
20130018531 | SYSTEM, METHOD, AND COMPUTER SOFTWARE CODE FOR CONTROLLING SPEED REGULATION OF A REMOTELY CONTROLLED POWERED SYSTEM - A system for operating a remotely controlled powered system, the system including a feedforward element configured to provide information to the remotely controlled powered system to establish a velocity, and a feedback element configured to provide information from the remotely controlled powered system to the feedforward element. A method and a computer software code are further disclosed for operating the remotely controlled powered system. | 01-17-2013 |
20130062938 | Power Generation Apparatus - An apparatus including an alternator that is drivable by an engine for producing a first AC electric current, a rectifier in electrical communication with the alternator for producing a DC electric current, an inverter in electrical communication with the rectifier for producing a second AC electric current where the second AC electric current having an acceptable frequency and/or voltage, and the inverter in electrical communication with one or more electric loads responsive to the second AC electric current, and an energy storage device that is able to electrically couple to the alternator, rectifier, and/or inverter. | 03-14-2013 |
20130066532 | AUTOMATIC BRAKE VERIFICATION SYSTEM - A method of testing a braking device in a drivetrain of a vehicle which includes at least one tractive element coupled to a traction motor. The method includes: (a) applying the braking device to a tractive element of the vehicle; (b) using an electronic controller, causing the traction motor to apply a predetermined force to the tractive element; and (c) using the controller, monitoring the tractive element for movement while the force is being applied. A dynamic braking or “retarder” function may also be tested. A system for carrying out the method is provided. | 03-14-2013 |
20130117054 | TRANSPORTATION NETWORK SCHEDULING SYSTEM AND METHOD - A system includes a scheduling module and a monitoring module. The scheduling module is configured to generate schedules for vehicles to concurrently travel in a transportation network formed of interconnected routes over which the vehicles travel. The monitoring module is configured to determine financial costs of fuel at refueling locations within the transportation network that are used by one or more of the vehicles to acquire additional fuel. The scheduling module is configured to coordinate the schedules of the vehicles based on the financial costs of the fuel while maintaining a throughput parameter of the transportation network above a designated threshold. The throughput parameter represents adherence by the vehicles to the schedules as the vehicles travel through the transportation network. | 05-09-2013 |
20130131898 | METHOD AND APPARATUS FOR OPTIMIZING A TRAIN TRIP USING SIGNAL INFORMATION - A system is provided for operating a railway network including a first railway vehicle during a trip along track segments. The system includes a first element for determining travel parameters of the first railway vehicle, a second element for determining travel parameters of a second railway vehicle relative to the track segments to be traversed by the first vehicle during the trip, a processor for receiving information from the first and the second elements and for determining a relationship between occupation of a track segment by the second vehicle and later occupation of the same track segment by the first vehicle and an algorithm embodied within the processor having access to the information to create a trip plan that determines a speed trajectory for the first vehicle. The speed trajectory is responsive to the relationship and further in accordance with one or more operational criteria for the first vehicle. | 05-23-2013 |
20130144466 | TRANSPORTATION NETWORK SCHEDULING SYSTEM AND METHOD - A system includes a scheduling module and a resolution module. The scheduling module determines plural initial schedules for plural different vehicles to concurrently travel in a transportation network. The initial schedules include locations and times for the vehicles to travel. The resolution module modifies at least one of the initial schedules to one or more modified schedules based on an anomaly in at least one of the vehicles or the routes that prevents one or more of the vehicles from traveling in the transportation network according to the initial schedules. The scheduling module communicates the modified schedules to the vehicles so that energy management systems disposed on the vehicles modify travel of the vehicles according to the modified schedules. | 06-06-2013 |
20130144467 | TRANSPORTATION NETWORK SCHEDULING SYSTEM AND METHOD - A method includes forming a first schedule for a first vehicle to travel in a transportation network. The first schedule includes a first arrival time of the first vehicle at a scheduled location. The method also includes receiving a first trip plan for the first vehicle from an energy management system. The first trip plan is based on the first schedule and designates at least one of tractive efforts or braking efforts to be provided by the first vehicle to reduce at least one of an amount of energy consumed by the first vehicle or an amount of emissions generated by the first vehicle when the first vehicle travels through the transportation network to the scheduled location. The method further includes determining whether to modify the first schedule to avoid interfering with movement of one or more other vehicles by examining the trip plan for the first vehicle. | 06-06-2013 |
20130158742 | SYSTEM AND METHOD FOR COMMUNICATING IN A TRANSPORTATION NETWORK - A system includes a communication unit configured to communicate with a scheduling system that determines schedules for plural vehicles to travel in a transportation network and with a control system that forms a trip plan for a first vehicle of the plural vehicles comprising operational settings for controlling movement of the first vehicle during a trip in the transportation network. The communication unit is configured to convey information between the scheduling system and the control system such that the scheduling system coordinates the schedules of the vehicles to maintain a throughput parameter of the transportation network and the control system forms the trip plan that reduces at least one of an amount of fuel consumed or an amount of emissions generated by the first vehicle during the trip according to the schedule associated with the first vehicle. | 06-20-2013 |
20130171590 | SYSTEM, METHOD, AND COMPUTER SOFTWARE CODE FOR INSTRUCTING AN OPERATOR TO CONTROL A POWERED SYSTEM HAVING AN AUTONOMOUS CONTROLLER - A method for training an operator to control a powered system is disclosed including operating the powered system with an autonomous controller, and informing an operator of a change in operation of the powered system as the change in operation occurs. A system and a computer software code are also disclosed for training the operator to control the powered system. | 07-04-2013 |
20130193750 | POWERED DISTRIBUTION SYSTEMS FOR POWERED RAIL VEHICLES - A power distribution system for a rail vehicle includes a propulsion alternator, a first bus, a Head End Power (HEP) alternator, and a second bus. The propulsion alternator is joined to an engine of the rail vehicle. The first bus is joined with the propulsion alternator and is configured to electrically couple the propulsion alternator with a propulsion electric load that propels the rail vehicle. The HEP alternator is joined to the engine. The second bus is joined with the HEP alternator and is adapted to electrically couple the HEP alternator with a non-propulsion electric load of the rail vehicle. The propulsion alternator generates a first electric current to power the propulsion electric load and the HEP alternator separately generates second electric current to power the non-propulsion electric load. The HEP alternator and the second bus are electrically separate from the propulsion alternator and the first bus. | 08-01-2013 |
20130206862 | TRACTIVE EFFORT SYSTEM AND METHOD - A system is provided for use with, a wheeled vehicle. The system includes a media reservoir capable of holding a tractive material that includes particulates; a nozzle in fluid communication with the media reservoir; and a media valve in fluid communication with the media reservoir and the nozzle. The media valve is controllable between a first state in which the tractive material flows through the media valve and to the nozzle, and a second state in which the tractive material is prevented from flowing to the nozzle. In the first state, the nozzle receives the tractive material from the media reservoir and directs the tractive material to a contact surface such that the tractive material impacts the contact surface that is spaced from a wheel/surface interface. The system can modify the adhesion or the traction capability of the contact surface with regard to a subsequently contacting wheel. | 08-15-2013 |
20130239913 | Thermal Management System, Vehicle, and Associated Method - A system is provided that includes an engine coupled to an alternator; a radiator fan motor in electrical communication with the alternator, and that is mechanically decoupled from the engine; an energy storage device in electrical communication with the alternator and the radiator fan motor; and one or more traction motors in electrical communication with the energy storage device, the radiator fan motor, or both. Electricity provided through dynamic braking can power the radiator fan motor upon generation of the electricity, or it can be stored in the energy storage device for use later in powering the radiator fan motor. | 09-19-2013 |
20130248262 | HOIST SYSTEM AND METHOD - A system includes a motor coupled to an energy source and coupled to a hoist pump. During one mode of use or operation, the motor cars receive electricity from the energy source and provide mechanical power to the hoist pump. A method includes directing a motor to mechanically couple to the hoist pump, and directing electrical power to flow from an energy source to the motor, and thereby to control the speed of hoist activity. | 09-26-2013 |
20130253739 | SYSTEM AND METHOD FOR DYNAMICALLY DETERMINING A FORCE APPLIED THROUGH A RAIL VEHICLE AXLE - A system is provided for dynamically determining a force applied through a plurality of axles in a rail vehicle configured to travel along a rail track in a travel direction. The rail vehicle includes a plurality of wheels received by the plurality of axles. The system includes a controller configured to determine a respective dynamic weight shift of the plurality of wheels on the rail track based upon a dynamic factor of the rail vehicle as the rail vehicle travels along the rail track. | 09-26-2013 |
20130261832 | Thermal Management System, Vehicle and Associated Method - A system includes a cooling system having a cooling fluid for cooling an engine and a radiator fan motor; a dynamic braking system configured to supply electrical energy to the fan motor during a braking event; and a controller that is operable to direct the electrical energy from the dynamic braking system to the fan motor to cool the coolant to a predetermined minimum threshold temperature. A method includes switching a vehicle thermal management system from a first mode of operation in which the coolant is maintained at a steady operating temperature to a second mode of operation in which the coolant is cooled to a minimum threshold temperature. | 10-03-2013 |
20130261837 | METHOD AND SYSTEM FOR IDENTIFYING A DIRECTIONAL HEADING OF A VEHICLE - A system for verifying a route segment that a vehicle is traveling along includes a magnetic sensor and a control unit. The magnetic sensor generates an output signal based on an orientation of the sensor relative to an external magnetic field. The control unit receives an operator-designated route segment. The operator-designated route segment represents a selected route segment of the route segments that is identified by the operator as being the route segment on which the vehicle is traveling. The control unit identifies a directional heading of the vehicle based on the output signal from the magnetic sensor and determines an actual route segment of the routes segments in the network that the vehicle is actually traveling along based on the directional heading of the vehicle. The control unit verifies that the actual route segment on which the vehicle is actually traveling is the selected route segment. | 10-03-2013 |
20130261842 | VEHICLE CONSIST CONFIGURATION CONTROL - A method includes obtaining data relating to operation of a first vehicle in a vehicle consist that includes the first vehicle and a second vehicle communicatively coupled with each other by a communication channel. The first vehicle includes a first electronic component performing functions for the first vehicle using the first data. The method also includes communicating the first data over the communication channel from the first vehicle to a second electronic component disposed onboard the second vehicle responsive to the first electronic component being unable to perform the one or more functions for the first vehicle using the first data. The method further includes performing the functions of the first electronic component with the second electronic component using the first data that is received from the first vehicle. | 10-03-2013 |
20130261856 | METHOD AND SYSTEM FOR IDENTIFYING A DIRECTIONAL HEADING OF A VEHICLE - A system for confirming a direction of travel of a vehicle includes a location determining system and a control unit. The location determining system is configured to be coupled to a vehicle that travels in a network of plural route segments having fixed positions. The location determining system also is configured to obtain data representative of a measured heading of the vehicle. The measured heading represents a direction of travel of the vehicle. The control unit is configured to receive a designated route segment that is at least one of selected by operator input or provided by a trip plan that designates operational settings of the vehicle for a trip. The control unit is configured to compare the measured heading of the vehicle with one or more designated headings associated with the route segments to verify whether the vehicle is actually traveling on the designated route segment. | 10-03-2013 |
20130268172 | METHOD AND SYSTEM FOR IDENTIFYING AN ERRONEOUS SPEED OF A VEHICLE - A method includes receiving an input size of a wheel of a vehicle, determining a derived speed of the vehicle that is based on the input size of the wheel, determining a reference speed of the vehicle as the vehicle moves, comparing the derived speed with the reference speed of the vehicle, and identifying an error in the input size of the wheel based on a difference between the derived speed and the reference speed. A system includes a control unit configured to determine a derived speed of a vehicle that is based on an input size of the wheel and a reference speed of the vehicle as the vehicle moves. The control unit compares the derived speed with the reference speed of the vehicle in order to identify an error in the input size of the wheel. | 10-10-2013 |
20130270897 | METHOD AND SYSTEM FOR POWERING A VEHICLE - A system for powering a vehicle includes a traction bus, an auxiliary bus, chopper devices, and a control unit. The traction bus is coupled with traction motors of the vehicle to supply a first voltage to power the traction motors. The auxiliary bus is coupled with non-traction motors of the vehicle to supply a different, second voltage to the non-traction motors to. The chopper devices are conductively coupled with both the traction bus and the auxiliary bus to control conduction of the first voltage on the traction bus to the auxiliary bus as the second voltage using first and second duty cycles. The control unit is coupled with the chopper devices to control the first and second duty cycles of the chopper devices, respectively, such that the first voltage on the traction bus is changed (e.g., reduced) to the second voltage on the auxiliary bus. | 10-17-2013 |
20130270898 | POWER CONVERTER CONTROL SYSTEM AND METHOD - A power converter control system includes a first power converter, at least one additional power converter, a first control module, and an additional control module. The first power converter receives direct current and outputs alternating current as a first power output. The additional power converter receives direct current and outputs alternating current as an additional power output. The first control module controls timing of events of the first power converter. The additional control module is associated with the additional power converter and controls timing of events of the additional power converter. The first control module communicates first information regarding the timing of the first power converter to the additional control module. The additional control module is configured to adjust the timing of the additional power converter to correspond with the timing of the first power converter. | 10-17-2013 |
20130277505 | METHOD AND APPARATUS FOR LIMITING IN-TRAIN FORCES OF A RAILROAD TRAIN - An apparatus includes a first element for identifying planned applications of tractive effort and braking effort for a railway vehicle while traversing a track segment. The apparatus includes a second element for determining a slack condition of the railway vehicle at one or more locations on the track segment in advance of the railway vehicle traversing the track segment based on the planned applications of tractive effort and braking effort. The apparatus includes a third element for redetermining the slack condition at the one or more locations based on at least one deviation from the planned applications of tractive effort and braking effort. | 10-24-2013 |
20130297199 | SYSTEM AND METHOD FOR PREDICTING A VEHICLE ROUTE USING A ROUTE NETWORK DATABASE - A system and method for predicting a route to be authorized by a dispatcher for a vehicle to travel on a route network comprises a computer system that has a database having stored data relative to interconnecting route segments that make up the route network. Data relative to the origination location and the destination location is input into the computer system. The processor accesses the database and generates a predicted route with an origination location and destination location. | 11-07-2013 |
20130304342 | SYSTEMS AND METHODS FOR ENERGY TRANSFER CONTROL - A control system includes a first switching module and a second switching module. The second switching module is operably connected to the first switching module. The control system is configured to be selectably connected to at least two of an energy dissipation system, an external energy storage system, or an internal energy storage system. When the control system is selected for electrical communication with one of the at least two of an energy dissipation system, external energy charging system, or internal energy storage system, the first and second switching modules control the path of a current distributed through the one of the at least two of an energy dissipation system, external energy charging system, or internal energy storage system. | 11-14-2013 |
20130338901 | CONTROL SYSTEM AND METHOD - A system is provided for controlling a powered unit having an engine configured to operate using a plurality of fuel types each in a corresponding fuel tank. The system includes a controller operable to transmit a first set of control signals including a first set of valve signals to the each fuel tank based at least in part on a first stored engine operating profile to control amounts of fuel from each fuel tank to the engine. The controller can transmit a second set of control signals including a second set of valve signals to each fuel tank based at least in part on a second stored engine operating profile to control amounts of fuel from each fuel tank to the engine. Further, the controller can switch, by transmitting either the first set of control signals or the second set of control signals, between a first operating condition associated with a first external domain and a second condition associated with a second external domain. The first operating condition is associated with the first stored engine operating profile, and the second operating condition is associated with the second stored engine operating profile. | 12-19-2013 |
20140012446 | SYSTEM AND METHOD FOR OPERATING A HYBRID VEHICLE SYSTEM - System including a switch control module that is configured to control operation of a first contactor and a second contactor in a vehicle system. The first and second contactors are configured to selectively connect front-end and direct-current (DC) buses, respectively, to an energy storage system of the vehicle system. The front-end bus is configured to receive electrical power from an external power source and provide the electrical power to a converter device. The converter device is configured to supply DC power to the DC bus. The switch control module is configured to close the second contactor when the vehicle system is operably coupled to the external power source so that the energy storage system is charged by the DC power. The switch control module is configured to close one of the first contactor or the second contactor when the vehicle system is operably decoupled to the external power source. | 01-09-2014 |
20140032023 | SYSTEM AND METHOD FOR CONTROLLING A VEHICLE - A method for vehicle control comprises determining a braking capability of a braking system of a rail vehicle or other vehicle, and modifying application of at least one mission parameter by a control system of the vehicle based on the determined braking capability. Braking capability may be determined by activating the braking system of the vehicle to apply a braking force on the vehicle, and concurrently, applying a level of tractive effort of the vehicle is sufficient to overcome the braking force. The braking capability is determined based on the level of tractive effort. | 01-30-2014 |
20140046513 | Route Examining System And Method - A route examining system includes an application device, a control unit, a detection unit, and an identification unit. The application device is onboard a first vehicle of a first vehicle system traveling along a route. The control unit controls supply of electric current from a power source to the application device in order to electrically inject an examination signal into the route via the application device. The detection unit is off-board of the first vehicle and monitors electrical characteristics of the route in response to the examination signal being injected into the route. The identification unit is off-board of the first vehicle and examines the one or more electrical characteristics of the route in order to determine whether a section of the route extending between the first vehicle and the detection unit is potentially damaged based on the one or more electrical characteristics. | 02-13-2014 |
20140058570 | INTEGRATED FRICTION MANAGEMENT SYSTEM - A system includes a vehicle control system, a friction modification unit, and a friction management module. The vehicle control system is configured to obtain a trip plan for the vehicle. The trip plan is based on one or more characteristics of a trip of the vehicle along a route in a transportation network, characteristics of the vehicle, or characteristics of the route along which the vehicle travels. The trip plan designates one or more tractive operations or braking operations. The friction modification unit is configured to modify a friction characteristic of a surface of the route as the vehicle travels on the route. The friction management module is configured to direct the friction modification unit to modify the friction characteristic of the surface of the route based on the trip plan. | 02-27-2014 |
20140077600 | SYSTEM AND METHOD FOR CONTROLLING ENERGY STORAGE AND DISTRIBUTION - Embodiments relate to a system for controlling the storage and distribution of energy on a drill rig. The system includes a drill rig having a power consuming device, a power source for providing electrical power, a power storage device, and an electrical power bus. The power bus is electrically connected to the power source, the power consuming device, and the power storage device and is configured to provide an electrical pathway between one or more of the power source, power consuming device, and power storage device. | 03-20-2014 |
20140094998 | CONTROL SYSTEM AND METHOD FOR REMOTELY ISOLATING POWERED UNITS IN A VEHICLE SYSTEM - A control system includes an energy management system and an isolation control system. The energy management system generates a trip plan that designates operational settings of a vehicle system having powered units that generate tractive effort to propel the vehicle system. The energy management system determines a tractive effort capability of the vehicle system and a demanded tractive effort of a trip. The energy management system identifies a tractive effort difference between the tractive effort capability of the vehicle system and the demanded tractive effort of the trip and selects at least one of the powered units based on the tractive effort difference. The isolation module remotely turns the selected powered unit to an OFF mode such that the vehicle system is propelled along the route during the trip by the powered units other than the selected powered unit. | 04-03-2014 |
20140097696 | SYSTEMS AND METHODS FOR DISTRIBUTING POWER IN A VEHICLE - Various systems and method for distributing electrical power are provided. In one embodiment, a system includes a first inverter coupled to an electrical bus, a second inverter coupled to the electrical bus, a filter including a first inductor and a second inductor, and a transfer switch circuit coupled between the first inverter and the second inverter and a load. The transfer switch circuit is configured to transfer power from the first inverter through the first inductor to the load and transfer power from the second inverter through the second inductor to the load in a first mode of operation. The transfer switch circuit is further configured to transfer power from the first inverter through the first inductor and through the second inductor to the load in a second mode of operation. | 04-10-2014 |
20140125356 | ROUTE EXAMINING SYSTEM AND METHOD - A system includes at least one examining module configured to be disposed onboard a vehicle system and a mitigation module. The at least one examining module is configured to identify an identified section of a route being traversed by the vehicle system, with the identified section corresponding to at least one of a potentially damaged section of the route or an actually damaged section of the route. The mitigation module is configured to, responsive to an identification by the at least one examining module of the identified section of the route, automatically perform a mitigation action corresponding to the identified section of the route. | 05-08-2014 |
20140136025 | Transportation Network Scheduling System And Method - A method includes forming a first schedule for a first vehicle to travel in a transportation network. The first schedule includes a first arrival time of the first vehicle at a scheduled location. The method also includes receiving a first trip plan for the first vehicle from an energy management system. The first trip plan is based on the first schedule and designates at least one of tractive efforts or braking efforts to be provided by the first vehicle to reduce at least one of an amount of energy consumed by the first vehicle or an amount of emissions generated by the first vehicle when the first vehicle travels through the transportation network to the scheduled location. The method further includes determining whether to modify the first schedule to avoid interfering with movement of one or more other vehicles by examining the trip plan for the first vehicle. | 05-15-2014 |
20140138493 | ROUTE EXAMINING SYSTEM AND METHOD - A route examining system includes first and second application devices, a control unit, first and second detection units, and an identification unit. The first and second application devices are disposed onboard a vehicle traveling along a route having conductive tracks. The control unit controls injection of a first examination signal into the conductive tracks via the first application device and injection of a second examination signal into the conductive tracks via the second application device. The first and second detection units monitor electrical characteristics of the route in response to the first and second examination signals being injected into the conductive tracks. The identification unit examines the electrical characteristics of the conductive tracks in order to determine whether a section of the route is potentially damaged based on the electrical characteristics. | 05-22-2014 |
20140148973 | SYSTEM, METHOD, AND COMPUTER SOFTWARE CODE FOR OPTIMIZING PERFORMANCE OF A POWERED SYSTEM - A system to optimize performance of a powered system, the system including a data device configured to provide current information about current operating conditions of the powered system and/or prior information about the powered system, a controller configured to control operation of the powered system, and a processor configured to provide at least one control command to the controller for use in operating the powered system and/or user information with at least one recommended command to a user to control the powered system, wherein the at least one control command and/or user information are based at least in part on the current information and/or the prior information. A system and computer software code, stored on a computer readable media and executable with a processor, are also disclosed. | 05-29-2014 |
20140188306 | SYSTEM AND METHOD FOR COMMUNICATION AND CONTROL IN A VEHICLE SYSTEM - A system is provided that includes a remote communication module, a control module, and a determination module. The remote communication module is configured to be disposed onboard a remote consist of a vehicle system, and is communicatively connected to at least one additional consist of the vehicle system. The control module is configured to be disposed onboard the remote consist and to provide control commands to at least one powered unit of the remote consist. The determination module is configured to be disposed onboard the remote consist and to determine capability information corresponding to the ability of the at least one powered unit of the remote consist to perform a first command received from one of the at least one additional consist. The determination module is also configured to determine a second command provided to the control module using the first command and the capability information. | 07-03-2014 |
20140188375 | SYSTEM AND METHOD FOR ASYNCHRONOUSLY CONTROLLING A VEHICLE SYSTEM - A method includes identifying power outputs to be provided by propulsion-generating vehicles of a vehicle system for different locations along a route and calculating handling parameters of the vehicle system at the locations along the route. The handling parameters are representative of at least one of coupler forces, coupler energies, relative vehicle velocities, or natural forces exerted on the vehicle system. The method also includes determining asynchronous operational settings for the propulsion-generating vehicles at the locations. The asynchronous operational settings represent different operational settings that cause the propulsion-generating vehicles to provide at least the power outputs at the locations while changing the handling parameters of the vehicle system to designated values at the locations. The method further includes communicating the asynchronous operational settings to the propulsion-generating vehicles in order to cause the propulsion-generating vehicles to implement the asynchronous operational settings at the different locations. | 07-03-2014 |
20140191745 | APPARATUS AND METHOD FOR MITIGATING PERTURBATIONS IN A POWER CONVERTER - A power converter includes a plurality of switches that interconnect first and second input terminals of the power converter with first and second output terminals of the power converter. The switches are switched to convert power from the input terminals to the output terminals. During the switching, voltage spikes are mitigated by a first RLC branch connected from the first input terminal to the first output terminal and by a second RLC branch connected from the second input terminal to the second output terminal. | 07-10-2014 |
20140207317 | ROUTE EXAMINING SYSTEM AND METHOD - A system includes an application device, a control unit, a detection unit, an identification unit, and a secondary analysis module. The application device is configured to be at least one of conductively or inductively coupled with a route. The control unit is configured to control supply of electric current to inject an examination signal into the route via the application device. The detection unit is configured to monitor one or more electrical characteristics of the route. The identification unit is configured to examine the one or more electrical characteristics of the route to determine whether a section of the route is potentially damaged. The secondary analysis module is configured to perform a secondary analysis of the potentially damaged section of the route to at least one of confirm that damage has occurred, identify a type of damage, or assess a level of damage. | 07-24-2014 |
20140207321 | METHOD OF OPERATING VEHICLE AND ASSOCIATED SYSTEM - A method of operating a vehicle having an electric drive is provided. The method includes defining a first zone and a second zone. The first zone has an associated first characteristic and the second zone has an associated second characteristic that differs from the first characteristic. The method further includes switching an operating mode of a vehicle from a first operating mode in the first zone to a second operating mode in the second zone in response to the vehicle translating from the first zone to the second zone. Associated vehicles and systems are provided also. | 07-24-2014 |
20140277860 | SYSTEM AND METHOD OF VEHICLE SYSTEM CONTROL - A method for controlling a vehicle system includes obtaining an off-board-based input speed of a vehicle system traveling along a curved segment of a first route. The off-board-based input speed is obtained from data provided by an off-board device disposed off the vehicle system. The method also includes determining a heading of the vehicle system from the data provided by the off-board device and calculating a curvature of the curved segment of the first route using the off-board-based input speed and the heading of the vehicle system while the vehicle system travels along the curved segment of the first route. | 09-18-2014 |
20140277883 | SYSTEM AND METHOD OF VEHICLE SYSTEM CONTROL - A method for controlling a vehicle system includes determining a vehicle reference speed using an off-board-based input speed and an onboard-based input speed. The off-board-based input speed is representative of a moving speed of the vehicle system and is determined from data received from an off-board device. The onboard-based input speed is representative of the moving speed of the vehicle system and is determined from data obtained from an onboard device. The method includes using the vehicle reference speed to at least one of measure wheel creep for one or more wheels of the vehicle system or control at least one of torques applied by or rotational speeds of one or more motors of the vehicle system. | 09-18-2014 |
20140277889 | SYSTEM AND METHOD FOR VEHICLE PERFORMANCE CONTROL - A system and method are provided for controlling a drivetrain of a vehicle which includes a prime mover operatively connected to at least one tractive element. The system and method include determining the vehicle's total weight and, using an electronic controller carried by the vehicle, causing the prime mover to apply power to the tractive element so as to propel the vehicle. The magnitude of the power can be a function of the vehicle's total weight. | 09-18-2014 |
20140371959 | SYSTEM AND METHOD FOR DETERMINING EFFECTIVENESS OF A FRICTION MODIFIER ALONG A ROUTE SEGMENT - A method including obtaining creep measurements and tractive/braking measurements from at least one vehicle system at different locations along a route segment while the at least one vehicle system moves through the route segment. The method also includes calculating tribology characteristics of the route segment at the different locations. The tribology characteristics are based on the creep measurements and the tractive/braking measurements from the at least one vehicle system. The tribology characteristics are indicative of a friction coefficient of the route segment at the different locations. The method also includes determining an effectiveness of a friction modifier applied to the route segment based on the tribology characteristics. | 12-18-2014 |
20150025737 | System And Method For Monitoring Braking Effort - A method (e.g., for monitoring a braking system of a vehicle system) includes monitoring fluid pressures of a braking system and modeled braking efforts of the braking system in a vehicle system traveling along a route, identifying one or more time periods at least one of before a brake event of the braking system or after the brake event, calculating residual forces exerted on the vehicle system during the one or more time periods, and determining at least one of an estimated braking effort of the braking system or an estimated propagation rate at which the estimated braking effort is applied by the braking system using the residual forces that are calculated. | 01-22-2015 |
20150033864 | SYSTEM AND METHOD FOR ACOUSTICALLY IDENTIFYING DAMAGED SECTIONS OF A ROUTE - A method for acoustically examining a route includes sensing passively excited residual sounds of a vehicle system during travel over a route, examining the passively excited residual sounds to identify one or more changes of interest in the passively excited residual sounds, and identifying a section of the route as being damaged responsive to the one or more changes of interest in the passively excited residual sounds that are identified. | 02-05-2015 |
20150053827 | ROUTE EXAMINING SYSTEM AND METHOD - A route examining system includes first and second application devices, a control unit, first and second detection units, and an identification unit. The first and second application devices are disposed onboard a vehicle traveling along a route having conductive tracks. The control unit controls injection of a first examination signal into the conductive tracks via the first application device and injection of a second examination signal into the conductive tracks via the second application device. The first and second detection units monitor electrical characteristics of the route in response to the first and second examination signals being injected into the conductive tracks. The identification unit examines the electrical characteristics of the conductive tracks in order to determine whether a section of the route is potentially damaged based on the electrical characteristics. | 02-26-2015 |
20150081214 | SYSTEM AND METHOD FOR IDENTIFYING DAMAGED SECTIONS OF A ROUTE - A method and system for examining velocity differences in a vehicle speed of a vehicle and the angular speed of the axles and/or wheels of the vehicle system traveling along a route to determine if the route is damaged and/or to identify the location of the potentially damaged section of the route. The differences may represent wheel creeps of the vehicle system. | 03-19-2015 |
20150088345 | SYSTEM AND METHOD FOR DETERMINING A QUALITY VALUE OF A LOCATION ESTIMATION OF EQUIPMENT - A system is provided for determining a quality of a location estimation of a powered system at a location. The system includes a first sensor configured to measure a first parameter of the powered system at the location. The system further includes a second sensor configured to measure a second parameter of the powered system at the location. The system further includes a second controller configured to determine the location estimation of the powered system and the quality of the location estimation, based upon a first location of the powered system based on the first parameter, and a second location of the powered system based on the second parameter of the powered system. A method is also provided for determining a quality of a location estimation of a powered system at a location. | 03-26-2015 |