Entries |
Document | Title | Date |
20080275680 | Systems and methods for simulating vehicle operation - Systems for simulating vehicle operation include a computer having a pedal activation program, the pedal activation program comprising instructions for generating signals relating to operation of a vehicle from the computer to a pedal sensor output according to a predetermined driving profile. Methods for simulating vehicle operation include providing a computer having a pedal activation program, utilizing the pedal activation program to initiate output signals to a pedal sensor output relating to a vehicle condition and transmitting the output signals to an engine control unit to implement a driving profile programmable within the pedal activation program. | 11-06-2008 |
20080275681 | Method and system for vehicle damper system evaluation and tuning with loading system and vehicle model - A method and system for evaluating and tuning damper system includes at least one test rig on which one or more physical damper system are mounted. A full vehicle model and a road description are used with the test rig to test and evaluate or tune the damper system as would be conducted on a real test track. The full vehicle model is modified to remove the characteristics of the damper system under test. The remainder of the full vehicle model produces output signals in the form of displacements or loads that are transmitted as inputs to the test rig to apply those signals. The test rig measures output signals in the form of complementary displacements or loads that will become inputs to the vehicle model in place of the removed model of the damper system under test. In this manner, the physical damper system under test is inserted into a real time model of the full vehicle, road and driver. | 11-06-2008 |
20080275682 | Method and system for axle evaluation and tuning with loading system and vehicle model - A method and system for evaluating and tuning axle systems includes at least one test rig on which one or more physical axle systems are mounted. A full vehicle model and a road description are used with the test rig to test and evaluate or tune the axle system as would be conducted on a real test track. The full vehicle model is modified to remove the characteristics of the axle system under test. The remainder of the full vehicle model produces output signals in the form of displacements or loads that are transmitted as inputs to the test rig to apply those signals. The test rig measures output signals in the form of complementary displacements or loads that will become inputs to the vehicle model in place of the removed model of the axle system under test. In this manner, the physical axle system under test is inserted into a real time model of the full vehicle, road and driver. | 11-06-2008 |
20080281567 | Gearbox Simulation Test Bench - The invention relates to a test bench that reproduces the performance of a gearbox. The invention consists of: at least one gearshift module ( | 11-13-2008 |
20080294401 | Active Shape Model for Vehicle Modeling and Re-Identification - A method for modeling a vehicle, includes: receiving an image that includes a vehicle; and constructing a three-dimensional (3D) model of the vehicle, wherein the 3D model is constructed by: (a) taking a predetermined set of base shapes that are extracted from a subset of vehicles; (b) multiplying each of the base shapes by a parameter; (c) adding the resultant of each multiplication to form a vector that represents the vehicle's shape; (d) fitting the vector to the vehicle in the image; and (e) repeating steps (a)-(d) by modifying the parameters until a difference between a fit vector and the vehicle in the image is minimized. | 11-27-2008 |
20080319725 | Method of Estimating the Instantaneous Engine Speed Produced by Each Cylinder of an Internal-Combustion Engine - The invention is a method for real-time estimation of the instantaneous engine speed produced by each cylinder of an internal-combustion engine, from an instantaneous engine speed measurement at the end of the engine transmission system. A physical model, representing in real time the dynamics of the transmission system according to the crankshaft angle and to coefficients of a Fourier series decomposition of the instantaneous speed produced by each cylinder, is constructed. These coefficients are determined in real time from coupling between the model and an adaptive type non-linear estimator. The instantaneous speed produced by each cylinder is then deduced from these coefficients. The mean torque produced by each cylinder can also be deduced therefrom. An application is: engine controls. | 12-25-2008 |
20090012763 | METHOD AND SYSTEM FOR TIRE EVALUATION AND TUNING WITH LOADING SYSTEM AND VEHICLE MODEL - A method and system for evaluating and tuning tires includes a test rig on which one or more physical tires are mounted. A full vehicle model and a road description are used with the test rig to test and evaluate the tire as would be conducted on a real test track. The full vehicle model is modified to remove the characteristics of the tire or tires under test. The remainder of the full vehicle model produces output signals in the form of displacements or loads that are transmitted as inputs to the test rig to apply those signals. The test rig measures output signals in the form of complementary displacements or loads that will become inputs to the vehicle model in place of the removed model of the tire under test. In this manner, the physical tire under test is inserted into a real time model of the full vehicle, road and driver. | 01-08-2009 |
20090012764 | SYSTEM MODEL PRODUCTION SUPPORT APPARATUS AND SYSTEM MODEL PRODUCTION SUPPORT METHOD - In a system model production support apparatus and method, plural partial models are stored along with input/output information for each partial model; an input-side portion of the system model is produced by sequentially selecting the partial models constituting the input-side portion from among the stored partial models in an order starting from the partial model closest to an input-side end of the system model, based on input information for the system model, and the input/output information for each partial model, and sequentially connecting the selected partial models; an output-side portion of the system model is produced by sequentially selecting the partial models constituting the output-side portion from among the stored partial models in an order starting from the partial model closest to an output-side end of the system model, based on output information for the system, and the input/output information for each partial model, and sequentially connecting the selected partial models; and the produced input-side portion is connected with the produced output-side portion to produce the entire system model. | 01-08-2009 |
20090024373 | METHOD FOR OPTIMIZING DIFFUSION MEDIA WITH SPATIALLY VARYING MASS TRANSPORT RESISTANCE - A method for optimizing a fuel cell diffusion media having a spatially varying mass transport resistance is provided. The method includes at least two passes where a first-pass D/Deff profile for the fuel cell diffusion media is provided and applied to a computational model of the fuel cell having a baseline variable profile. At least one first-pass variable profile resulting from the application of the first-pass D/Deff profile to the computational mode is calculated and compared to a desired variable range. The first-pass D/Deff profile is refined, if necessary, to provide a second-pass D/Deff profile. A relative performance of the fuel cell with a second-pass variable profile resulting from an application of the second-pass D/Deff profile is determined. The second-pass D/Deff profile is refined, if necessary, until the second-pass variable profile has a desirable performance. An effective D/Deff profile is thereby provided. | 01-22-2009 |
20090024374 | EFFICIENT PROCESS FOR EVALUATING ENGINE COOLING AIRFLOW PERFORMANCE - The present invention generally relates to processes for predicting airflow rates. According to some embodiments, some process steps can include developing a three-dimensional computer-aided design model of a test body topology; discretizing the test body topology; discretizing a volume surrounding the test body topology, the volume being bounded by a test chamber; identifying test body components upon which to collect empirical data; obtaining empirical data for identified components; establishing an airflow model; validating the airflow model in comparison to experimental data; obtaining a flow rate from the validated airflow model; and determining whether the mass flow rate is acceptable. | 01-22-2009 |
20090063115 | LINEAR PROGRAMMING SUPPORT VECTOR REGRESSION WITH WAVELET KERNEL - A support vector machine with wavelet kernel was developed for accurate modeling of nonlinear systems. A method of providing an optimized model of a nonlinear system includes using a support vector machine (SVM) having a wavelet kernel, where support vectors include a family of multidimensional wavelets. Training the SVM allows optimization of the number of support vectors, the weights of the support vectors, and the translation factors of the support vectors. Use of a novel linear programming approach reduces computational demands required for training, allowing optimized support vectors to give an optimized model of the nonlinear system. Further, on-line retraining is possible, so that the model can be adapted to changing conditions. | 03-05-2009 |
20090063116 | Computational radiator flow distribution method - The present invention provides a method for analyzing airflow through a vehicle radiator and identifying how cooling openings in the vehicle affect airflow through the vehicle radiator. A plurality of pathlines each describing airflow through a vehicle front end and including a position identifier and velocity magnitude are computed. A plurality of intersection points are calculated to identify locations within a vehicle radiator that intersect with a generated pathline to identify pathlines from which air flows through the vehicle radiator. One or more elements are generated from the intersection points using a triangulation method, such as Delauney triangulation, so that the generated elements include intersection points as nodes and are non-overlapping. An airflow rate is calculated for each element based on the velocity magnitudes of the pathlines associated with the intersection points included in the element and the element area. | 03-05-2009 |
20090083016 | Method for Generating a Calculation Model for a Mechanical Structure - The invention concerns a method for generating a calculation model, in particular a finite element calculation model, for a mechanical structure, in particular a mechanical structure of a motor vehicle, such as a body-in-white, said method involving the following steps: a) preparing the mechanical structure from which a calculation model is to be generated; b) cleaning the mechanical structure; c) applying reference points to the cleaned and assembled mechanical structure; d) scanning the assembled mechanical structure in order to generate geometric data pertaining to the assembled mechanical structure, from the individual parts of the assembled mechanical structure and the reference points; e) at least partly dividing the assembled mechanical structure into individual parts, which cannot be completely detected when scanning the assembled mechanical structure; f) scanning the individual parts alone or in conjunction with at least one add-on part attached to each individual part in order to generate corresponding geometric data; g) converting the geometric data into a calculation model for the mechanical structure. | 03-26-2009 |
20090094011 | SYSTEM AND METHOD FOR MODELLING A FLIGHT - A method of modelling a flight of an aircraft using at least one computer system is disclosed. In one embodiment, the method includes: sourcing flight details from at least one data source using at least one data acquisition system, the flight details representative of the activity of the aircraft within a flight information region, and compiling a flight model from the flight details using a processing system, the flight model indicating the activity of the aircraft over the duration of the flight in two or more FIRs or for an entire flight undertaken in a single FIR. | 04-09-2009 |
20090099824 | Distributed Physics Based Training System and Methods - A distributed simulation system is composed of simulator stations linked over a network that each renders real-time video imagery for its user from scene data stored in its data storage. The simulation stations are each connected with a physics farm that manages the virtual objects in the shared virtual environment based on their physical attribute data using physics engines, including an engine at each simulation station. The physics engines of the physics farm are assigned virtual objects so as to reduce the effects of latency, to ensure fair fight requirements of the system, and, where the simulation is of a vehicle, to accurately model the ownship of the user at the station. A synchronizer system is also provided that allows for action of simulated entities relying on localized closed loop controls to cause the entities to meet specific goal points at specified system time points. | 04-16-2009 |
20090099825 | SYSTEM AND METHOD FOR A SIMULATION BASED MOVEMENT PLANNER - A system and method of planning the movement of plural trains over a network of track by simulating the movement of the trains over the network of track. | 04-16-2009 |
20090106006 | REVERSE ENGINEERING BASED COIL SPRING DESIGN METHOD - A finite element analysis (FEA) based coil spring design method that utilizes a reverse engineering based concept. The method involves first designing a desired jounce profile, which is typically an output in the conventional FEA based design, and then reversely determining the corresponding free profile necessary for manufacturing a spring having desired performance specifications. | 04-23-2009 |
20090112539 | VALUATION AND SIMULATION OF REQUIRED NAVIGATION PERFORMANCE - A method for illustrating potential benefits resulting from revised navigation procedures to a customer is described. The method includes preparing a model for a revised navigation procedure, determining a landing probability for both an existing minimum separation procedure and a minimum separation determined utilizing the revised navigation procedure, calculating a benefit associated with a difference in the landing probabilities, and validating the revised navigation procedures through demonstration and use of the revised navigation procedure model on a computer-based flight simulation program. | 04-30-2009 |
20090112540 | METHOD AND APPARATUS FOR COMPOSITE PART DATA EXTRACTION - A computer implemented method for generating a section cut in a model of a part. A location on the part is identified. An axis system is created at the location in the model of the part, wherein the axis system has an axis that is normal to a surface at the location in the model of the part. Section cuts intersecting the surface and plies below the surface are created. A plurality of sampling points on the surface is identified based on the section cuts. Core sampling is preformed using the plurality of sampling points to generate sampled data. | 04-30-2009 |
20090119080 | Computational simulation systems and methods using boundary integral equations - A system, method, and computer-readable medium including instructions for predicting a characteristic of an object is described. The system includes an object model comprising a thin crack geometry representation of at least a portion of the object; a boundary condition model of a predetermined process applicable to the object (FIG. | 05-07-2009 |
20090125287 | Multimedia Train Simulator - A train simulator, including a microprocessor, a display and an input device for the microprocessor. A program drives the display with the track data during simulation, determines if an exception has occurred during the simulation; and provides a multimedia message if an exception has occurred. | 05-14-2009 |
20090150132 | METHOD AND APPARATUS FOR SIMULATING MULTIPLE GROUND STATION RANGING FOR SPACECRAFT - A spacecraft emulation system for emulating the operation of a spacecraft and the operation of a plurality of ground stations is coupled to spacecraft status and control clients that request connections to one of the plurality of simulated ground station ranging and tracking servers. The connection requests are made to a common address with a port address that is unique to a specific ground station. Separate range servers and tracking servers are instantiated for each ground station and return data specific to the ground station. The spacecraft emulation system determines ranging and tracking data for the plurality of simulated ground stations but supplies said data on a ground station by ground station basis. The status and control system transparently determines which ground station is simulated. | 06-11-2009 |
20090157363 | System, method, and computer program product for predicting cruise orientation of an as-built airplane - Illustrative computer-executable methods, systems, and computer software program products predict cruise orientation of an as-built airplane. In illustrative embodiments, nominal orientation of an as-built airplane is input. Deviation from the nominal orientation of the as-built airplane is automatically computed, and the computed deviation from the nominal orientation of the as-built airplane is applied to the nominal orientation of the as-built airplane. | 06-18-2009 |
20090157364 | Method and system for a quick calculation of aerodynamic forces on an aircraft - A computer-aided method suitable for assisting in the design of an aircraft by providing the dimensioning aerodynamic forces and other relevant values comprising the following steps: a) Selecting a set of parameters of the aircraft, being said aerodynamic forces and other relevant values dependant of said parameters; b) Performing flow field CFD RANS computations for a number N1 of different combination of values of said parameters; c) Obtaining said aerodynamic forces and other relevant values for whatever combination of values of said parameters through a reduced-order model, generated by computing the POD modes of the flow variables, expanding the flow variables using said POD modes and obtaining the POD coefficients of said expanded flow variables using a genetic algorithm that minimizes the error associated to the expansion of the Navier-Stokes equations. The invention also refers to a system for carrying out said method. | 06-18-2009 |
20090157365 | Simulation device and simulation method - Provided is a simulation device including: a simple model computing portion for generating simulation information by correcting measured information sampled on a real vehicle on the basis of control information input from an electronic control unit; and an outputting portion for outputting the simulation information generated by the simple model computing portion to the electronic control unit. The simulation device generates the simulation information generated by the simple model computing portion as new measured information. | 06-18-2009 |
20090281780 | METHOD AND SYSTEM FOR GENERATING CONFIGURATION CONSTRAINTS FOR COMPUTER MODELS - A bill of material and a design layout are aligned to generate a configuration for a virtual vehicle. The bill of material includes a part number and usage associated with a part. The design layout includes a CAD model of the part. CAD models in vehicle position are generated from the design layout. Logical positions are identified based on the usage and the CAD models in vehicle position are associated with the logical positions. Feature conditions are applied to the CAD models in vehicle position representing content and position configuration. | 11-12-2009 |
20090299713 | METHOD OF MODELLING THE EFFECT OF A FAULT ON THE BEHAVIOUR OF A SYSTEM - A method of modelling the effect of a fault on the behaviour of a system. The method comprises modifying a functional model of a system to specify a fault in the system; running the model in accordance with a test, the test having an input and an expected output, the input defining the value of a least one input variable over a period of time and the expected output defining the expected value of at least one output variable over the period of time; the functional model calculating, in dependence on the value of the input variable defined by the input, a modelled output comprising the modelled value of the output variable over the period of time; and comparing the modelled output with the expected output to determine a severity score for the fault based on the difference between the modelled output and the expected output. | 12-03-2009 |
20090326893 | SYSTEM AND METHOD FOR AIRCRAFT MISSION MODELING - An expert system and method for aircraft mission modeling using a matrix application, a preferred embodiment of which is incorporated into Mission Modeler software used in conjunction with Satellite Toolkit (STK) software. More generally, the invention is an expert system that draws on an extensive set of basic building blocks that represent standard aircraft maneuvers and concepts, and assembles those building blocks into complex and realistic sequences that represent aircraft motion with very high fidelity. One benefit of this invention is that it provides a simple system and method for users with no piloting experience to generate highly realistic flight paths. | 12-31-2009 |
20100010793 | VEHICLE ASPECT CONTROL - A computer system and method for determining a survivability aspect control signal for an aircraft is disclosed. The computer system can include a processor and a memory including software instructions adapted to cause the computer system to perform a series of steps. The steps can include providing a plurality of signature exposure models, each signature exposure model corresponding to a threat sensor and including a threat sensor characteristic and a threat operational characteristic. A portion of a mission can be selected along with one or more of the models based on the selected mission portion. The steps can include calculating a signature exposure index based on the one or more selected models and the selected mission portion and providing a survivability aspect control signal based on the signature exposure index. | 01-14-2010 |
20100010794 | METHODS AND SYSTEMS FOR EVALUATING A DESIGN OF AN AIRCRAFT - A method for evaluating a lightning/HIRF protection effectiveness of a vehicle design is provided. The method is performed using a computer system coupled to a database. The method includes storing in the database design service life goals and critical characteristics for at least one lightning/HIRF protection component. The method also includes storing in the database a potential for degradation of the at least one component. The potential for degradation is based at least partially on a position where the component is to be installed. The method also includes determining continued functionality of the at least one component using the computer system to compare the vehicle design to the stored design service life goals. | 01-14-2010 |
20100010795 | Method for Simulating the Thermomechanical Behavior of a Tire Rolling on the Ground - A process for simulating the physical behavior of a vehicle tire rolling on the ground with which the tire tread has an area of contact including at least one adherent contact zone and at least one sliding contact zone, which process includes at least modeling operations, numeric value assignment operations, and solving operations, wherein the modeling operations comprise establishing, by applying physical laws that are known and/or developed by specific experimentation, and as a first model, a model of the longitudinal forces (Fx), the transverse forces (Fy), and a self-alignment torque (Mz), transmitted by the tire between the ground and the vehicle, on the basis of specific physical parameters, including an adherence coefficient and a shear modulus of the rubber of the tire, and on the basis of dynamic parameters associated with the physical conditions of rolling and use of the tire, in which the self-alignment torque is associated with the intensity of the longitudinal and transverse forces and their distribution in the contact area, wherein the assignment operations comprise assigning numeric values to the dynamic parameters and to the specific parameters, and wherein the solving operations comprise deducing, using at least the first model and the values assigned to the dynamic parameters and to the specific physical parameters, the values of the longitudinal forces (Fx), the transverse forces (Fy) and the self-alignment torque (Mz), wherein the modeling operations further comprise establishment, as a second model, of a local heating model expressing variations in a temperature of contact of the tread with the ground from the beginning to the end of the contact area due to the contact and the slip of the tread with the ground, and establishment, as a third model, of a general heating and thermal flux model, in which said third model expresses variations, over a period of at least one wheel rotation, in a peripheral tread temperature and an internal tire temperature on the basis of values previously known or estimated from peripheral and internal temperatures, a coefficient of thermal conductivity of the tread, and phenomena with a thermodynamic component such as internal deformations of the tire, heat transfers between the tire and its environment, and slip of the tread on the ground, in which at least the adherence coefficient and the shear modulus are involved in the first model as variables, respectively based on the peripheral temperature and the internal temperature, in which the value of the peripheral temperature, obtained by solving operations concerning the third model, is used by solving operations concerning the second model in order to take into account the temperature dependence of the adherence coefficient, and in which the value of the internal temperature, obtained by solving operations concerning the third model, is used by solving operations concerning the first model in order to take into account the temperature dependence of the shear modulus of the rubber of the tire. | 01-14-2010 |
20100017180 | METHOD AND DEVICE FOR OBJECT TRACKING IN A DRIVER ASSISTANCE SYSTEM OF A MOTOR VEHICLE - A method for predicting object movements in a driver assistance system of a motor vehicle, in which the movements of objects located periodically by a locating device ( | 01-21-2010 |
20100030540 | SYSTEM AND METHOD FOR RECONSTRUCTING TRAFFIC ACCIDENT - Provided is a system and method for automatically reconstructing a traffic accident. The accident reconstructing system includes a data collecting unit, a geographical data providing unit, and an accident analyzing unit. The data collecting unit collects/transmits accident-related data according to the occurrence of a traffic accident. The geographical data providing unit transmits the geographical data of the neighborhood of the accident site. The accident analyzing unit reconstructs the traffic accident virtually on the basis of the data outputted from the data collecting unit and the geographical data providing unit. | 02-04-2010 |
20100030541 | TRAFFIC SIMULATOR - The present invention provides a traffic simulator which can simulate traffic conditions with high accuracy. Cautionary object searching portion searches for cautionary objects which a driver should heed when driving a vehicle model; recognized cautionary object selection portion and driver-recognized cautionary object selection portion, based on driver ability information set by data creation portion, select cautionary objects recognized by a driver from the found cautionary objects; and movement determination portion determines the movement of a vehicle model based on the selected cautionary objects. | 02-04-2010 |
20100036651 | SYNTHETIC AIR TRAFFIC MANAGEMENT FAST-TIME ENVIRONMENT - Techniques for providing synthetic air traffic management in a fast-time environment are disclosed. In one embodiment, a method of providing a closed-loop air traffic management simulation gateway between a decision support tool (DST) and an airspace modeler includes receiving airspace simulation data from an airspace modeler. The airspace simulation may be converted to emulated radar signals at an update interval. The emulated radar signals may be transmitted to a decision support tool for analysis. A recommendation may be received from the decision support tool based on the emulated radar signals, which may be used to generate a synthetic actor response based on the recommendation. The synthetic actor may provide the response to the airspace modeler to enable updating the airspace simulation data. In this manner the design of more efficient airspace routes, arrival and departure routes and procedures may be more quickly achieved. | 02-11-2010 |
20100063790 | METHOD OF SIMULATING ENGINE OPERATION - A method of creating a simplified computer implement for engine model comprises obtaining a complete computer implement for engine model ( | 03-11-2010 |
20100070253 | METHOD AND SYSTEM FOR TRAFFIC SIMULATION OF ROAD NETWORK - According to one embodiment, a system is disclosed, which uses road parameters defining the road network and model parameters used as initial-value parameters, thereby performing traffic simulation by the microsimulation method. The system includes a traffic simulator and a display controller. The traffic simulator performs traffic simulation to predict a traffic condition on an object road of a road network. The display controller controls a display unit, displaying the result of the simulation. More precisely, the display controller displays a dynamic image showing the traffic condition of vehicles running on the road network, on the screen of the display unit, and changes the image in terms of pattern, in accordance with a display instruction. | 03-18-2010 |
20100076739 | METHOD OF INITIALIZING BOLT PRETENSION IN A FINITE ELEMENT ANALYSIS - In one aspect of the invention, each bolt is modeled using a beam element in a FEA model. To apply desired pretension to one or more bolts, at least one pretension-versus-time curve is specified. Each pretension-versus-time curve includes ramp portion, desired pretension portion and optional unloading portion. Duration_of the pretension-versus-time curve generally covers first 0.5-1% of total simulation time of a car crashworthiness analysis. Ramp portion starts from zero to desired pretension in a substantially linear manner, and hence being configured for applying desired pretension to a bolt gradually with smaller increments. Desired pretension portion is configured for ensuring the desired pretension can actually be applied to the beam element during an initialization process—a series of quasi-static analyses. Since the method is independent of the deformation of the beam, the method completely avoids the need to iteratively determine an axial strain or displacement that gives the desired pretension. | 03-25-2010 |
20100082311 | METHOD OF MODELING TRANSMISSIONS FOR REAL-TIME SIMULATION - A transmission modeling system includes an in-gear module that determines an in-gear acceleration when a vehicle is in gear. A shift module determines a shift acceleration based on a clutch torque when the vehicle is shifting between gears. A shaft acceleration determination module determines a shaft acceleration based on at least one of the in-gear acceleration and the shift acceleration. | 04-01-2010 |
20100100365 | SIMULATION SYSTEM AND SIMULATION METHOD - A simulation system is provided. A simulator is configured to execute simulation of a simulation object at a processing speed. A user interface module is configured to generate at least one of a first operation screen for inputting simulation conditions on the simulation executed by the simulator and an output screen for representing a result of the simulation executed by the simulator, and to display the at least one of the first operation screen and the output screen on a display unit. An adjustor is configured to adjust an updating speed of the at least one of the first operation screen and the output screen which are displayed on the display unit by the user interface module to be different from the processing speed. | 04-22-2010 |
20100131256 | Spot Weld Failure Determination Method in a Finite Element Analysis - Each spot weld in a structure is represented by a cluster of at least one solid element in a finite element analysis model of the structure. Each spot weld is used for tying together two parts. Each of the two parts are generally represented or modeled as a number of two-dimension shell elements. Since the tie-connection between the spot weld and the two parts can be located arbitrarily within the respective part, the shell elements representing the two parts do not have to be aligned in space. The only requirement is the two shell elements must be overlapped each other such that the spot weld can tie the two shell elements (i.e., one from each part) together. A spot weld failure criterion used for determining failure including shear and axial stresses acted on the spot weld, shell element size and spot weld location sensitivity scale factors and strain rate effect. | 05-27-2010 |
20100138200 | DEVICE AND METHOD FOR DEMONSTRATING STAGGER - In one embodiment a device is provided for visually demonstrating stagger. In this embodiment, the device includes first and second tires coaxially mounted on an axle, wherein the first tire has a smaller diameter than the second tire. The device also includes a member configured to be pushed or pulled by a person. The device may be pushed or pulled on a flat surface, such as a paved road. When the device is pushed or pulled in a forward direction, the first and second tires will rotate at the same rotational speed, but because the second tire has a larger diameter than the first tire, the second tire will travel a greater distance than the first tire during each tire rotation. Thus, the device will move in a curved path. | 06-03-2010 |
20100179796 | METHOD OF SETTING PARAMETER IN METHOD OF DETECTING DECREASED PNEUMATIC PRESSURE - A method of setting a parameter in a method of detecting a decreased tire air pressure for detecting a decreased tire air pressure based on a wheel rotational speed obtained from tires attached to a four-wheel driving vehicle. The method includes a vehicle model preparation step of preparing a vehicle model including a suspension member; a tire model preparation step of preparing a tire model; a step of inputting a friction coefficient between a tire and a road surface; and a simulation step of performing a running simulation of the vehicle model attached with the tire model. A determination parameter for determining whether the tire has a decreased air pressure or not is set based on wheel rotational speeds of the tires of the respective four wheels obtained in the simulation step. | 07-15-2010 |
20100228533 | SYSTEM AND METHOD FOR MODELING SUPERVISORY CONTROL OF HETEROGENEOUS UNMANNED VEHICLES THROUGH DISCRETE EVENT SIMULATION - A system and method for modeling supervisory control of heterogeneous unmanned vehicles through discrete event simulation is provided. Generally, the system contains a memory and a processor configured by the memory to perform the steps of: simulating events in the system; simulating arrival processes for the events in the system; simulating how long a human operator takes to respond to the simulated events in the system, where the time that the human operator takes to respond to a simulated event is referred to as a service time; and prioritizing the events to be handled by the human operator, wherein the system models human operator involvement in the unmanned vehicle system. | 09-09-2010 |
20100250212 | COMPUTER-AIDED METHOD FOR A COST-OPTIMIZED CALCULATION OF VARIABLE DISTRIBUTIONS OVER AN AERODYNAMIC SURFACE - A computer-aided method suitable for assisting in the design of an aircraft by providing a variable distribution V over an aircraft surface inside a predefined parameter space by means of a reconstruction of the results obtained through computations for an initial group of points in the parameter space using a CFD model comprising in each of said computations the following steps: a) Selecting relevant shock wave structures being defined by its thickness δ | 09-30-2010 |
20100262408 | RUNNING PATTERN CALCULATING APPARATUS AND RUNNING PATTERN CALCULATING METHOD - A running pattern calculating apparatus and running pattern calculating method that stores road information; predicts a running state when the vehicle will travel on a road, based on the stored road information; divides the road into a plurality of sections based on the predicted running state and sets an evaluation function for each road section; and calculates a running pattern of the vehicle that will travel on the road, based on the evaluation function set for each road section. | 10-14-2010 |
20100274544 | SQUIB SIMULATOR - The present invention is generally directed toward testing devices. For example, one aspect of the invention is directed toward a simulation device that includes an indicator circuit configured to simulate a characteristic of a countermeasure initiation device. The indicator circuit can be switchable between at least two states including a ready state and an unavailable state. The system can further include a switching circuit operably coupled to the indicator circuit to switch the indicator circuit between the at least two states. | 10-28-2010 |
20100274545 | Bonded Rework Simulation Tool - A method and apparatus may be present for managing rework. A section in a location of a platform having a number of composite materials needing rework may be identified to form an identified section. A layup for the number of composite materials in the identified section of the platform may be determined. A patch for the identified section of the platform and the layup for the number of composite materials may be generated. A simulation may be performed of a selected rework process and the patch in the identified section. | 10-28-2010 |
20100292974 | Method and device for verification of an automation system - Specific tests on vehicles or parts thereof must be performed and analyzed according to a prescribed standard. The verification of an automation system for performing such a test and the final result of such a test is a complex and time-consuming procedure, however. So as not to have to repeat the complex verification in the case of changes in the automation system, it is proposed that the correctness of a test run only be checked once and in the case of established correctness, the reference data defining the test run be stored as the reference standard. If a change is performed in the automation system, it is sufficient to perform the test run again and to compare the reference data of the reference standard to the new reference data. | 11-18-2010 |
20100305925 | AUTONOMOUS EXPERIMENTAL DESIGN OPTIMIZATION - Iterative (nondeterministic) optimization of aerodynamic and hydrodynamic surface structures can be accomplished with a computer software program and a system using a combination of a variable encoding length optimization algorithm based on an evolution strategy and an experimental hardware set-up that allows to automatically change the surface properties of the applied material, starting with the overall shape and proceeding via more detailed modifications in local surface areas. The optimization of surface structures may be done with a computing device for calculating optimized parameters of at least one (virtual) surface structure, an experimental hardware set-up for measuring dynamic properties of a specific surface structure, and an interface for feeding calculated parameters from the computing device to the experimental set-up and for feeding measured results back to the computing device as quality values for the next cycle of the optimizing step. | 12-02-2010 |
20100305926 | SIMULATION SYSTEM, METHOD, AND PROGRAM - A system, method and program to improve the processing speed of a simulation system. A processing system finds an entry point so that functional blocks cover a broad range. The processing system places code of a look-ahead dispatcher for assigning processing. The look-ahead dispatcher monitors an input state at the entry point to determine whether the input state is a stable state. If the input state is stable, the look-ahead dispatcher calls an adaptive execution module at some frequency or otherwise calls an idle execution module. The adaptive execution module performs processing on multiple timestamps at once. When a discrete system receives an input event, the look-ahead dispatcher calls a recovery execution module. Based on the input event on that occasion, the timestamp, and a value stored in a state vector, the recovery execution module calculates a state for which recovery is performed. | 12-02-2010 |
20100318335 | Method for Selecting an Optimized Tire Configuration for a Road Vehicle Such as a Racing Car or Motorcycle - A method for selecting, from a set of possible configurations, an optimized tire configuration for fitting a vehicle intended to run on a circuit following a predefined route, oriented in a single course direction (SU) and including bends. This method comprises: developing a physical model of the vehicle fitted with a first tire configuration; simulating the route course by the modeled vehicle, optimizing the speed of said vehicle; storing in memory the course time taken by the vehicle to cover the route at least once; comparing the course time to at least one reference time and producing a comparison result; and optionally selecting the first configuration at the optimized configuration as a function of the comparison result. | 12-16-2010 |
20100318336 | Method of modeling dynamic characteristics of a flight vehicle - The present invention models dynamic behavior of flight vehicles for simulation, analysis, and design. The present invention allows a user to define the complexity of a flight vehicle model, and such models may be simple rigid body models, models of medium complexity, or very complex models including high order dynamics comprising hundreds of structural flexibility modes and variables related to aero-elasticity, fuel sloshing, various types of effectors, tail-wags-dog dynamics, complex actuator models, load-torque feedback, wind gusts, and other parameters impacting flight vehicles. The present invention accommodates and analyzes multiple vehicle and actuator concepts and configurations as defined in flight vehicle input data, which specifies flight vehicle parameters at a steady-state condition for modeling flight vehicle response to dynamic forces and flight control commands with respect to steady state operation. | 12-16-2010 |
20110040541 | CALIBRATION METHOD AND APPARATUS FOR SCR CATALYST SYSTEMS - The invention is directed to a procedure for fitting relevant parameters in SCR catalyst models and to an apparatus for carrying out such procedures. Following the procedure of the present invention, it is possible to make a first estimate of the SCR model parameters by fitting the parameters individually. This is possible because of special measurements that simplify and isolate reactions in the SCR model. The set of parameters determined via this method are used as a starting point for a global optimization of the model parameters. | 02-17-2011 |
20110040542 | METHOD AND SYSTEM FOR THE INTEGRATION OF FUNCTIONAL CAE DATA IN A CAD BASED STYLING PROCESS FOR INDUSTRIAL DESIGN, ESP. CARS, MOTORBIKES OR AERONAUTIC VEHICLES - Computer-assisted systems and methods for integrating aesthetic and functional design processes for real-world objects can include a computerized module for defining an aesthetic representation of a real-world object, and a computing module supplied with approximation model data of a CAE simulation module to calculate functional quality value(s) using a parametric description of the aesthetic representation as input. An interface can issue a physical signal to a user, with the physical signal communicating the quality value(s) to the user. A computerized module can change the parametric description of the aesthetic representation of the object in the aesthetic design process taking the obtained functional quality value into account. | 02-17-2011 |
20110131025 | APPARATUS AND METHOD FOR SUPPLYING A PERSON WITH INFORMATION FOR STATICALLY ADJUSTING A MOTOR VEHICLE EQUIPPED WITH WHEELS FITTED WITH TYRES - An apparatus for supplying a person with information for statically adjusting wheels, or tyres, of a motor vehicle comprises: a data storage module defining a model of vehicle operation through a plurality of model parameters; a control module adapted to set a parameter for evaluating the on-road behaviour of the vehicle and to receive values of measurement parameter correlated with the on-road behaviour of the vehicle and measured on the vehicle wheels, in order to set values of model parameters defining a starting configuration of the model parameters; a processing module adapted to perform simulations of the on-road behaviour of the vehicle using said model, while varying the value of at least one of the model parameters in order to determine, according to the set evaluation parameter, a modified model parameter configuration corresponding to an on-road behaviour of the vehicle that is better than that corresponding to the starting configuration; a module for presenting to the person service information for adjusting the vehicle according to the given modified configuration of the model parameters. | 06-02-2011 |
20110131026 | PORTABLE IN-THE-VEHICLE ROAD SIMULATOR - The portable simulation system is a computer-based driving simulator, which uses an actual vehicle as an input device, and a portable display to present a Virtual Driving Environment (VDE) to the driver. Vehicle's steered wheels are placed atop of the turntables permitting free operation of the steering wheel. The vehicle remains immobile while its engine and power steering can be turned off during the simulation. External non-invasive sensors can be placed under the gas and brake pedals, permitting any vehicle to be used in the simulator, including the driver's own vehicle. A digital interface to the vehicle's systems, like OBD II, can be used to increase the fidelity of the simulation. A portable computer used for driving simulation and VDE presentation provides a low cost simulation option. A simple configuration of the portable simulator does not require an external power source and can be set-up and operated at any parking space. Possible applications of the simulation system include driver training and testing. | 06-02-2011 |
20110144963 | Method and System for Reducing Carbon Emissions Arising from Vehicle Travel - Methods and systems for facilitating efficient travel management in a manner such that the carbon emissions produced by vehicle travel are reduced are disclosed. Simulations can be performed on vehicle travel plans and bodies of vehicles within various types of fleets to estimate their environmental impact. Based on such estimations, travel managers can adopt travel programs that employ a judicious selection of vehicle travel modes to carry out vehicle travel plans in a manner that benefits the environment. | 06-16-2011 |
20110153298 | VEHICLE ROLLOVER SIMULATION - A system simulates conditions in a vehicle enclosure during a tripped rollover by manipulating an indestructible test article modeling the vehicle. A movable test platform upholding the test article in an unsecured manner is driven by an accurately repeatably programmable propulsion source in a horizontal test-initiation direction. The initiation of motion causes the test platform to tilt downwardly in a rollover direction opposed to the test-initiation direction. A height-adjustable trip block on the test platform is brought to bear against a lower portion of the test article, imparting to the test article rotational motion about a horizontal tipping axis oriented normal to each of the test-initiation direction and the rollover direction. The rotational motion inclines the test article upwardly from the test platform in the rollover direction and ejects the test article from the test platform for capture on an accompanying landing platform. | 06-23-2011 |
20110191079 | Method for Testing a Vehicle or a Sub-System Thereof - A method for testing a vehicle or a sub-system thereof on a test stand or in a road trial is described, wherein the method provides force and torque transmitting interfaces which are at least partially present in reality. | 08-04-2011 |
20110246160 | METHOD AND DEVICE FOR DEVELOPMENT AND CERTIFICATION OF TRAINING SIMULATORS FOR AIRCRAFT PILOTING AND RESULTING SIMULATION DEVICE - The invention in particular has as an object a method and a device for developing and qualifying a part of the software component of a training simulator for operating a vehicle. Software modules developed for an engineering simulator, modeling the performance of a part of the vehicle, are integrated ( | 10-06-2011 |
20110264428 | SYSTEM FOR STUDYING A HYBRID VEHICLE POWERTRAIN - A system for studying a powertrain for a hybrid vehicle equipped with a thermal engine and an electric traction motor is disclosed including a first electric motor (M | 10-27-2011 |
20110288840 | VEHICLE SYSTEM MODELING SYSTEMS AND METHODS - A vehicle simulation system includes a compiler module, a parser module, a wrapper module, a modeling module, and a simulation module. The compiler module generates object code that is compatible with a first type of operating system based on source code that is executable by a vehicle control module and that is compatible with a second type of operating system. The parser module generates a definitions file and an extensible markup language (XML) file based on the source code and the object code. The wrapper module generates a library file based on the object code and the definitions file. The modeling module generates model-based source code for a virtual model based on the XML file and a user configuration of the virtual model. The simulation module simulates operation of a plant of a vehicle with the virtual model. | 11-24-2011 |
20110288841 | VEHICLE SIMULATION SYSTEM WITH SOFTWARE-IN-THE-LOOP BYPASS CONTROL - A vehicle simulation system includes a first simulation model that when executed simulates a software ring along with other software of a vehicle module. The vehicle simulation system further includes a second simulation model of the software ring. A bypass switch that has a first state and a second state. A bypass switching module switches the bypass switch between the first simulation model and the second simulation model based on a bypass signal and a ring enabling signal. A simulation control module executes code of a vehicle simulation model including software in-the-loop (SIL) testing of a selected one of the first simulation model and the second simulation model based on state of the bypass switch. | 11-24-2011 |
20120010863 | SIMULATOR AND VEST FOR SIMULATING THE STRESSES ON A HUMAN BODY BEING GENERATED IN THE COURSE OF THE MOVEMENT OF A VEHICLE - The invention relates to a simulator for simulating the stresses on a human body generated in the course of the movement of a vehicle, having a control element, a control unit, a display device of the surroundings and actuating elements. So that the full imitation of all physical inertia forces acting on the human body in the course of the various driving conditions is achieved, the invention provides that the control unit is connected with the actuating elements, and that the actuating elements are connected with the human body by means of an element (vest | 01-12-2012 |
20120029893 | SIMULATION METHOD, SYSTEM AND ARTICLE OF MANUFACTURE - A simulation system, method, and article of manufacture. A simulation system has a discrete and a continuous portion. The discrete portion further has a peripheral emulator in communication with the continuous portion of the simulation system. A portion of a peripheral emulator is separated and is caused to operate in a thread of a continuous system. The continuous system and the peripheral are in loose synchronization and therefore sparsely communicate with each other. The configuration significantly reduces the frequency of inter-thread communications between the continuous system and the discrete system that are performed in response to a continuous clock in a simulation system including the continuous system and the discrete system, thereby reducing communication cost. Accordingly, the operation speed of the simulation system can be increased. | 02-02-2012 |
20120041734 | SYSTEM AND METHOD FOR COLLABORATIVE BUILDING OF A SURROGATE MODEL FOR ENGINEERING SIMULATIONS IN A NETWORKED ENVIRONMENT - A system and method for collaborative building of a shared self-refining surrogate model for engineering simulations are disclosed. In one embodiment, a method includes running a reduced order engineering simulation model on a complex system, and querying a shared self-refining surrogate model upon receiving a request for a higher order simulation for a reduced order simulated item. The method also includes estimating a required higher order simulation result having a desired confidence interval for the reduced order simulated item, and determining whether the required higher order simulation result having the desired confidence interval is in the shared self-refining surrogate model. If not, then the method includes performing the higher order simulation to obtain the required higher order simulation result, enriching the shared self-refining surrogate model with the obtained higher order simulation result, and sending the obtained higher order simulation result to the reduced order engineering simulation model. | 02-16-2012 |
20120101793 | METHOD, DEVICES AND COMPUTER PROGRAM FOR ASSISTING IN THE DIAGNOSTIC OF AN AIRCRAFT SYSTEM, USING FAILURE CONDITION GRAPHS - The invention in particular has as an object aid in diagnosis of a system of an aircraft, comprising a plurality of sub-systems at least one of which comprises means for monitoring and notification of at least one detected event, using graphs of feared events. After a message of notification of occurrence of the said detected event has been received ( | 04-26-2012 |
20120101794 | DEVICE AND METHOD FOR THE RESIDUAL ANALYSIS OF A RESIDUUM TO DETECT SYSTEM ERRORS IN THE SYSTEM BEHAVIOUR OF A SYSTEM OF AN AIRCRAFT - The present invention provides a device and a method for the residual analysis of a residuum to detect system errors in the system behaviour of an aircraft. The device for the residual analysis of a residuum comprises an apparatus to generate the residuum at least dependent on the reference variable and the system output variable, a comparator unit to provide an analytical result by comparing the residuum to a given threshold, a first unit to provide a constant threshold portion, a second unit to provide an adaptive threshold portion at least dependent on the reference value, which can change over time, and a third unit to provide the threshold by linking the constant threshold portion to the adaptive threshold portion. | 04-26-2012 |
20120109610 | METHODS AND APPARATI FOR PREDICTING AND QUANTIFYING THREAT BEING EXPERIENCED BY A MODELED SYSTEM - A method predicts and quantifies the threat posed to a human-operated device based on an optimal device trajectory through a constraint-bounded corridor. A model of the device together with a model of anticipated hazards and the current state of both the device and the hazards are used to iteratively generate an optimal device trajectory through a constraint-bounded corridor or region within state space. Device dynamics are forward-simulated over a time horizon. A method generates a threat assessment metric from the resulting sequence of optimal vehicle states. This threat assessment may be used to devise various types and levels of operator assistance. The human operator can control the device within a safe corridor or region. Threat assessment is based on the nearness of successive optimal trajectory predictions to limits of safe device handling rather than on deviation from a predefined path. | 05-03-2012 |
20120130695 | DUTY CYCLE INDEPENDENT REAL TIME DYNAMIC PROGRAMMING IMPLEMENTATION FOR HYBRID SYSTEMS CONTROLS OPTIMIZATION - Predicted environment conditions are received for time steps within a prediction horizon N. Information is accessed regarding expected system responses generated by a system model, each expected system response related to a different combination of control parameters and starting environment conditions applied to the model. | 05-24-2012 |
20120136639 | Method for Door Side Intrusion Simulation with Progressive Failures - A method for simulating deformation of a body element of a motor vehicle that occurs during an impact event includes providing a model of the body element that includes an initial load distribution pattern. A first simulation output is generated during a first portion of the impact event using the initial load distribution pattern and includes data indicative of the deformation of the body element. Whether a portion of the body element is in a failure condition is determined based on the first simulation output. If a failure condition is determined, the load distribution pattern of at least a portion of the body element is updated, and a second simulation output including data indicative of the deformation of the body during a second portion of the impact event is generated using the updated load distribution pattern. | 05-31-2012 |
20120136640 | METHOD FOR EVALUATING COLLISION PERFORMANCE OF VEHICLE MEMBER, AND MEMBER COLLISION TEST DEVICE USED FOR SAME - A performance evaluation method of a vehicle member includes a calculation process for performing an analysis using a partial structure CAE model modeling a module where a member of a vehicle to be evaluated and a collision test device for conducting a collision test on the member are combined, and obtaining a value of a collision performance evaluation parameter in the partial structure CAE model; a calculation process for determining a boundary condition of the partial structure CAE model; a calculation process for determining a test condition of a member collision test device based on the boundary condition of the partial structure CAE model; and a test process for conducting a collision test using a physical member collision test device and a physical member, based on the set condition of the member collision test device. | 05-31-2012 |
20120166167 | TIRE SECOND ORDER HARMONICS WITH RIB SHIFT METHODOLOGY - A method of improving the high-speed uniformity of tire performance that reduces low and/or high harmonics. The method includes determining a force variation that is created by rotation of a first tire, having a first tread design, at high speed. A second order harmonic of the force variation is analyzed. A second tire design is generated that circumferentially shifts one or more ribs of the first tread design to minimize the second order harmonic alone or in combination with other order harmonics. | 06-28-2012 |
20120179442 | INTERNAL CAVITY VOLUME ANALYSIS - A computing device includes a host application and an analytical tool. The host application is configured to present an interface to a user and allow the user to modify a component model. The component model includes a three-dimensional representation of at least a portion of a vehicle component and has a virtual housing at least partially defining an internal cavity. The analytical tool is configured to generate a solid body representing the internal cavity and calculate a volume of the solid body. The analytical tool is further configured to determine whether the internal cavity is bounded by the virtual housing of the component model. | 07-12-2012 |
20120197618 | ARCHITECTURE AND METHOD FOR REALISTIC VEHICULAR NETWORKING AND APPLICATIONS VISUALIZATION - A system and method for vehicular networking and applications visualization comprises selecting a simulation area, converting the selected simulation area to graph representation, eliminating streets outside the simulation area, generating, using the graph representation, vehicles and random vehicle traffic in the simulation area, calculating vehicle movement in coordinates, transforming the calculated coordinates into a format compatible with a general purpose communication networking simulation tool, simulating, using the transformed calculated coordinates and the general purpose communication networking simulation tool, an application, and performing visualization of the simulation. The application can be local traffic information, the vehicle movement and communication among the vehicles. The simulation can be at least 2000 seconds and communication can be disruption tolerant. The visualization of the simulation can comprise a global view of all vehicles and one or more local views, each local view of one vehicle. The simulation area can be selected from a geographic map. | 08-02-2012 |
20120203528 | SIMULATOR - A simulator used in a distributed process simulation includes: a storage unit configured to store map information, agent information, and area allocation information; a simulation execution unit; a condition determination unit configured to determine the condition of the reference agent to be referenced by the simulation execution unit based on a movement state of the agent; an allocation discrimination unit configured to discriminate another computer allocated an area in which the reference agent corresponding to the condition can be located; and an agent information acquisition unit configured to acquire the information about the agent satisfying the condition of the reference agent from the other discriminated computer. | 08-09-2012 |
20120209579 | Statistical Modeling and Analysis of Fuel-Related Factors in Transportation Industries - Techniques involving modeling and analysis of operational metrics in transportation industries are disclosed. Representative methods involve defining a set of fuel consumption performance factors having a potential to impact vehicle fuel economy. Fuel consumption performance factors are received, and categorical variables are identified from at least a subset of the fuel consumption performance factors to create one or more categorical groupings. The fuel consumption performance factors associated with at least one of the categorical groupings are processed to identify a hypothetical maximum fuel economy or “baseline” for the at least one of the categorical groupings, and to identify fuel economy deduction coefficients based on the fuel consumption performance factors that adversely impact the hypothetical maximum fuel economy. Models are created based on the hypothetical maximum fuel economy and the fuel economy deduction coefficients to predict fuel economy for vehicles in the at least one of the categorical groupings. | 08-16-2012 |
20120259604 | METHOD FOR SIMULATING SPECIFIC MOVEMENTS BY HAPTIC FEEDBACK, AND DEVICE IMPLEMENTING THE METHOD - The invention relates to a method for simulating the movements of a virtual vehicle, a user being in physical contact with a simulator including a force-feedback haptic interface, wherein said physical contact corresponds to at least one physical point of contact between the haptic interface and the body of the user that is representative of a virtual point of contact between the user and the virtual vehicle. Said method comprises at least two steps. A first step involves determining a linear acceleration vector (formula (I)) and a linear velocity vector (formula (II)) at the virtual point of contact between the user and the virtual vehicle, said vectors being representative of the movement of the vehicle at said point. A second step involves deducing a three-dimensional force vector (formula (III)) from the linear acceleration vector (formula (I)) and linear velocity vector (formula (II)), said force vector being predetermined by a linear combination of said linear acceleration and velocity vectors, the corresponding force being applied via the haptic interface substantially at the physical point of contact. The invention also relates to a device for simulating movements of a vehicle. | 10-11-2012 |
20120265509 | Aircraft Emulation System - A mobile aircraft emulation system comprising communications hardware and data processing hardware. The communications hardware is configured for use in an aircraft and to establish a communications link with an airport network data processing system. The data processing hardware is configured for use in the aircraft to run a number of software aircraft parts and exchange information with the airport network data processing system using the communications link. The number of software aircraft parts is configured for use in the aircraft. | 10-18-2012 |
20120271607 | FLUID ACCESS AND DRAINAGE ASSESSMENT - A system includes a host application configured to receive a component model representing a vehicle component. The component model includes a body having a concave portion and/or a convex portion that defines a fluid retainer. A detection tool in communication with the host application is configured to determine a size and location of the fluid retainer. The detection tool is further configured to associate the size of the fluid retainer to a design rule and calculate a value representing a minimum hole size that will allow fluid to flow into or out of the fluid retainer in accordance with the design rule. | 10-25-2012 |
20120296614 | METHOD FOR SETTING FUNCTION PARAMETERS - A method for setting function parameters of a control unit for a motor vehicle, in which at least one target variable is predefined in a weighting characteristics map, the target variables representing a behavior of the motor vehicle, and an assignment to a model of optimum parameters being provided in the weighting characteristics map so that predefined target variables are assigned to a set of optimum parameters which are set as the function parameters. | 11-22-2012 |
20130046526 | Selecting a Vehicle to Optimize Fuel Efficiency for a Given Route and a Given Driver - The present invention is an apparatus and method for optimizing fuel consumption. A physical dynamics model may be used to simulate a vehicle being driven by a driver along a virtual route, possibly under specified weather conditions. A score for the vehicle may be calculated from estimations, based on the simulation, of fuel efficiency, vehicle drivability, and/or time for completing the route. Simulated (“virtual”) vehicles may be configured from components through a user interface. Scores for the vehicles may be compared to select an optimum vehicle. | 02-21-2013 |
20130060548 | RISK CALCULATION APPARATUS - A moving object risk calculation unit calculates the total value at all points of intersection of a mesh M for the risk due to moving objects at each point of intersection on the basis of the risk due to objects at each point of intersection in the plurality of meshes set in the vicinity of a host vehicle. In this manner, it is possible to acquire the risk due to moving objects, such as another vehicle that is traveling or is stationary or a pedestrian who is walking or is stationary. In addition, a moving object risk calculation unit calculates the total value of the risk due to moving objects at all points of intersection of the mesh by subtracting the total value of the risk due to immovable objects, which is fixed at each point of intersection, at all points of intersection of the mesh from the total value of the risk due to objects. Therefore, since it is not necessary to distinguish between movable objects and immovable objects at each point of intersection of the mesh, the moving object risk calculation unit can calculate the total value of the risk due to moving objects with less computational load. | 03-07-2013 |
20130085734 | MODEL AND COMPUTER BASED COOLANT FLOW DIAGNOSTIC SYSTEM - A model and computer based diagnostic method and system for automating a simulation process for a component, sub-system, and system of a vehicle engine relating particularly to coolant filling and draining. The method including the steps of creating a physical prototype and transparency of fluid passageways within the engine including the following elements: a radiator, a reservoir, a water jacket, a heater core, a heat exchanger, and other coolant system components thereby forming a complete cooling system within a vehicle engine. Geometry is then imported from the physical prototype to the computer automated design system including physics statistics and thermodynamics of each element. The method lastly includes the step of simulating fluid flow through the coolant system. | 04-04-2013 |
20130096895 | VEHICLE MANAGEMENT DEVICES - A vehicle monitoring device (VMD) in accordance with the invention comprises a microprocessor programmed to simulate a vehicle's powertrain, that is arranged to receive signals from a vehicle's engine management system in order to produce a real-time simulated model of the vehicle's powertrain operation whence the vehicle's actual instantaneous fuel consumption and/or emissions can be accurately predicted during operation of the vehicle and compared with predetermined or calculated optimum performance characteristics for the powertrain under the pertaining conditions in order to display the instantaneous operating conditions in relation to the optimum under any driving condition. The VMD is advantageously arranged to receive the signals from the on-board diagnostics (OBD or OBD-II or equivalent) port. The VMD is preferably programmed so that the said performance coefficient is used to calculate the instantaneous and/or cumulative quantity or percentage of fuel wasted as a result of non-optimum operation of the vehicle. The invention extends to the display. | 04-18-2013 |
20130103374 | DETERMINATION OF NON-UNIFORMITIES OF LOADED WHEELS BY LOAD SIMULATION - The invention relates to a method for contactless determining non-uniformities of a loaded wheel, comprising the steps of determining outer contour of at least a portion of the unloaded wheel; simulating loading of the wheel with a virtual loading element bearing against the tyre tread for a plurality of rotary positions of the wheel on the basis of the determined outer contour, a displacement of the determined outer contour caused by the virtual loading element and a predetermined spring rate associated to the tyre tread; and determining non-uniformities of the loaded wheel using the simulation results. | 04-25-2013 |
20130116996 | METHOD FOR INTEGRATING MODELS OF A VEHICLE HEALTH MANAGEMENT SYSTEM - A method for integrating the function models of a health management system for a vehicle where the vehicle has multiple systems connected to a communications network and the multiple systems send at least one of status messages and raw data regarding at least some of the operational data of the multiple systems and making a determination of a health function of the vehicle. | 05-09-2013 |
20130124177 | METHOD OF MODELING DYNAMIC CHARACTERISTICS OF A FLIGHT VEHICLE - The present invention models dynamic behavior of flight vehicles for simulation, analysis, and design. The present invention allows a user to define the complexity of a flight vehicle model, and such models may be simple rigid body models, models of medium complexity, or very complex models including high order dynamics comprising hundreds of structural flexibility modes and variables related to aero-elasticity, fuel sloshing, various types of effectors, tail-wags-dog dynamics, complex actuator models, load-torque feedback, wind gusts, and other parameters impacting flight vehicles. The present invention accommodates and analyzes multiple vehicle and actuator concepts and configurations as defined in flight vehicle input data, which specifies flight vehicle parameters at a steady-state condition for modeling flight vehicle response to dynamic forces and flight control commands with respect to steady state operation. | 05-16-2013 |
20130144581 | SYSTEMS AND METHODS FOR DETERMINING SPEED CONTROL MANAGEMENT SETTINGS - Methods and devices for determining speed control management settings are provided. A vehicle configuration is obtained, specifying at least a transmission, including a number of gears present in the transmission. One or more speed control management modules, such as progressive shift and/or gear down protection modules, are selected by a customer. One or more default progressive shift limits and a default gear down protection limit are calculated, along with gears for which they are active. Performance of the vehicle using the default speed control management settings is simulated and compared to typical vehicle performance. The customer may alter the speed control management settings within dynamically determined valid ranges. The speed control management settings are used in the manufacture or other configuration of the vehicle for the customer. | 06-06-2013 |
20130144582 | SYSTEM AND METHOD FOR SIMULATING AERODYNAMICS OVER AN AIRCRAFT FOR A DEFLECTED POSITION OF A MOVABLE AIRCRAFT CONTROL SURFACE USING A STRUCTURED CHIMERA MESH - A system and method for simulating aerodynamics over an aircraft for a deflected position of a movable aircraft control surface using a structured chimera mesh are disclosed. In one embodiment, a mesh assembly of the aircraft is created by overlapping a background mesh and a structured chimera mesh for the deflected position of the movable aircraft control surface. Further, mesh cell sizes within overlapping boundaries of the background mesh and the structured chimera mesh are analyzed. Furthermore, the structured chimera mesh is regenerated based on the analysis. In addition, the mesh assembly of the aircraft is reformed based on the regenerated structured chimera mesh. Also, a masked mesh of the aircraft is created by auto masking the reformed mesh assembly. Moreover, aerodynamics is simulated over the aircraft for the deflected position of the movable aircraft control surface using the masked mesh. | 06-06-2013 |
20130158967 | SYSTEM AND METHOD OF PREDICTING POLLUTANT EMISSIONS OF A VEHICLE WITH SIMULTANEOUS CHEMICAL KINETICS AND EMISSIONS CALCULATIONS - The invention is a system for predicting emissions of pollutants from a vehicle equipped with an engine using processors ( | 06-20-2013 |
20130179135 | SYSTEMS AND METHODS FOR ELECTRIC VEHICLE MOBILITY MODELING - A device includes a processor configured to execute one or more instructions stored in a memory to receive an electrical vehicle (EV) location profile having information regarding movement of an EV between a first and a second charging location of an electrical network. The processor is also configured to apply an EV mobility model to the EV location profile to determine an optimized schedule for the EV to charge or discharge a storage cell of the EV at the first or second charging locations during a scheduling period. The EV mobility model comprises constraints that describe interactions of the EV with the electrical network. | 07-11-2013 |
20130218543 | SYSTEM AND METHOD FOR UNDERWATER VEHICLE SIMULATION - System and method for using forecast ocean currents to improve the prediction of an underwater vessel's trajectory as compared to using a simple dead reckoned path determined by vessel commanded heading and speed through the water. | 08-22-2013 |
20130218544 | PLASTIC FORMING METHOD - A method for plastically forming a plate is provided. The method includes simulating forming the plate based on a frictional parameter that locally varies. | 08-22-2013 |
20130262067 | COLLABORATIVE VEHICLE HEALTH MODEL - A method includes collecting vehicle health data from a plurality of vehicles. A peer group is identified among the plurality of vehicles. The collected vehicle health data from the peer group into a collaborative vehicle health model, the collaborative vehicle health model being applicable to a current vehicle to predict a state of at least a component of the current vehicle. | 10-03-2013 |
20130268256 | REAL TIME POSTURE AND MOVEMENT PREDICTION IN EXECUTION OF OPERATIONAL TASKS - A system for determining the pose of an articulated model of a virtual subject in carrying out a task within a vehicle occupant packaging design is described. The system uses an initial posture of the articulated model prior to the virtual subject carrying out the task as a starting point. The system determines pose throughout the carrying out of the task by the virtual subject. The pose is determined based on the parameters of the virtual subject, the design, the task to be completed, and a set of constraints restricting the motion of the virtual subject. The pose can be analyzed to determine the feasibility of a design for a human subject, without the need for live subject testing. The method is analytically derived and results in a kinematically and dynamically consistent posture in real-time without requiring iterative optimization. | 10-10-2013 |
20130282346 | TRAFFIC DATA MANAGEMENT AND SIMULATION SYSTEM - Systems and methods for, inter alia, geographically based analyses of traffic being carried over a wide scale traffic network. The systems integrate geographical information systems (GIS) with traffic simulation processes to allow a user to analyze traffic patterns and loads at specific geographic locations of regions. Additionally, these systems allow for traffic analysis over a wide scale traffic network that may encompass the traffic network that exists within an geographic region and can include, as examples, the traffic networks that span across a city, that interconnect cities, that interconnect states and that run across multiple states. To this end, the systems include traffic simulators that can adaptively or controllably select between multiple traffic simulation models for simulating traffic across different segments of the traffic network. The different models provide varying levels of granularity for measurements of geographical location of a vehicle traveling over the traffic network. | 10-24-2013 |
20130282347 | DATA POINT AVERAGING FOR COMPUTATIONAL FLUID DYNAMICS DATA - A system and method for generating fluid flow parameter data for use in aerodynamic heating analysis. Computational fluid dynamics data is generated for a number of points in an area on a surface to be analyzed. Sub-areas corresponding to areas of the surface for which an aerodynamic heating analysis is to be performed are identified. A computer system automatically determines a sub-set of the number of points corresponding to each of the number of sub-areas and determines a value for each of the number of sub-areas using the data for the sub-set of points corresponding to each of the number of sub-areas. The value is determined as an average of the data for the sub-set of points corresponding to each of the number of sub-areas. The resulting parameter values then may be used to perform an aerodynamic heating analysis. | 10-24-2013 |
20130297271 | SYSTEMS AND METHODS FOR VEHICLE SURVIVABILITY PLANNING - System and methods for improving vehicle survivability. In some embodiments, Mission information may be obtained regarding a mission of at least one vehicle. The mission may comprise a plurality of mission stages, and the mission information may comprise at least one model associated with the at least one vehicle and at least one threat to the at least one vehicle. A potential action of the at least one vehicle may be selected by calculating a numerical measure for the potential action based at least in part on a mission stage of the plurality of mission stages during which the potential action is to be taken and the at least one model. | 11-07-2013 |
20130304443 | METHOD AND DEVICE FOR DESIGNING A CURRENT SUPPLY AND COLLECTION DEVICE FOR A TRANSPORTATION SYSTEM USING AN ELECTRIC VEHICLE - Provided is a method for designing a current supply device for wirelessly supplying power to a vehicle having a current collection device. In the design method, the gap between the two adjacent magnetic poles of the current supply device is received as input and then the gap between the current supply device and the current collection device is determined based on the gap between the two magnetic poles. Next, the magnitude of the power to be supplied to the current supply device is determined based on the value required with respect to the magnitude of the magnetic field and the gap between the current supply device and the current collection device. According to the design method, current supply device can easily be designed since various functional requirements are decoupled from each other. | 11-14-2013 |
20130338982 | Engine Vibration And Engine Trim Balance Test System, Apparatus And Method - The present disclosure is generally directed to a simulated aircraft engine accelerometer apparatus, system and method that that generates aircraft engine simulator outputs. An accelerometer signal simulator receives aircraft engine simulator outputs and generates accelerometer signal simulator outputs, and an accelerometer waveform generator receives the accelerometer signal simulator outputs and synchronizes at least one accelerometer signal simulator outputs to a reference timing signal from one of the aircraft engine simulator outputs. The simulated accelerometer further includes a filter section that receives and filters noise from the plurality of accelerometer waveform generator outputs to generate a plurality of filtered accelerometer waveform generator outputs, a mixer that receives and combines each of the plurality of filtered accelerometer waveform generator outputs to generate a single filtered accelerometer waveform generator output, and a charge converter that receives and converts the single filtered accelerometer waveform generator output to a current charge vibration simulation output. | 12-19-2013 |
20130346047 | PERFORMANCE PREDICTING APPARATUS, PERFORMANCE PREDICTING METHOD, AND PROGRAM - A performance predicting apparatus includes an approximate model storage unit configured to store approximate models each of which is associated with one of categories, and which are used to calculate functional performance based on feature values, a feature value extracting unit configured to extract the feature values from shape data representing a shape of an object, a selection unit configured to select one of the approximate models to be used from the approximate models stored in the approximate model storage unit depending on the feature values extracted by the feature value extracting unit, and a performance calculating unit configured to calculate functional performance based on the feature values extracted by the feature value extracting unit using the approximate model selected by the selection unit. | 12-26-2013 |
20140012555 | VALUATION AND SIMULATION OF REQUIRED NAVIGATION PERFORMANCE - A method for illustrating potential benefits resulting from revised navigation procedures to a customer is described. The method includes preparing a model for a revised navigation procedure, determining a landing probability for both an existing minimum separation procedure and a minimum separation determined utilizing the revised navigation procedure, calculating a benefit associated with a difference in the landing probabilities, and validating the revised navigation procedures through demonstration and use of the revised navigation procedure model on a computer-based flight simulation program. | 01-09-2014 |
20140095135 | PORTABLE IN-THE-VEHICLE ROAD SIMULATOR - Portable simulation system is a computer-based driving simulator, which uses an actual vehicle as an input device, and a portable display to present a Virtual Driving Environment (VDE) to the driver. Vehicle's steered wheels are placed atop of the turntables permitting free operation of the steering wheel. The vehicle remains immobile while its engine and power steering can be turned off during the simulation. External non-invasive sensors can be placed under the gas and brake pedals, permitting any vehicle to be used in the simulator, including the driver's own vehicle. A digital interface to the vehicle's systems, like OBD II, can be used to increase the fidelity of the simulation. A portable computer used for driving simulation and VDE presentation provides a low cost simulation option. A simple configuration of the portable simulator does not require an external power source and can be set-up and operated at any parking space. | 04-03-2014 |
20140122046 | METHODS AND SYSTEMS FOR EMULATING SPACECRAFT PROXIMITY OPERATIONS IN A LABORATORY - Systems and methods are described for emulating proximity operations of a spacecraft. In one embodiment, a method includes: projecting an image of a first spacecraft on a surface and initiating a proximity operation between the first spacecraft and a second spacecraft. The method further includes evaluating sensor feedback from the second spacecraft based on the proximity operation. | 05-01-2014 |
20140172397 | VEHICLE SIMULATOR SYSTEM - A system includes a simulator device having a computing device having a computer processor and a computer readable medium. The simulator device further includes a communication port configured for communicating with an emissions inspection tool. The simulator device also has a database associated with the computing device and including multiple vehicle profiles, wherein individual ones of the multiple vehicle profiles include a plurality of Engine Control Units (ECUs), and wherein individual ones of the plurality of ECUs are configured to simulate a plurality of Parameter IDs (PIDs) and corresponding response codes. The individual ones of the multiple vehicle profiles are independently selectable for providing at least one PID response code to the vehicle inspection tool. The computing device is configured to perform a vehicle simulation for auditing a vehicle inspection tool. | 06-19-2014 |
20140195213 | AUTOMATIC DRIVER MODELING FOR INTEGRATION OF HUMAN-CONTROLLED VEHICLES INTO AN AUTONOMOUS VEHICLE NETWORK - Automatic driver modeling is used to integrate human-controlled vehicles into an autonomous vehicle network. A driver of a human-controlled vehicle is identified based on behavior patterns of the driver measured by one or more sensors of an autonomous vehicle. A model of the driver is generated based on the behavior patterns of the driver measured by the one or more sensors of the autonomous vehicle. Previously stored behavior patterns of the driver are then retrieved from a database to augment the model of the driver. The model of the driver is then transmitted from the autonomous vehicle to nearby vehicles with autonomous interfaces. | 07-10-2014 |
20140195214 | AUTOMATIC DRIVER MODELING FOR INTEGRATION OF HUMAN-CONTROLLED VEHICLES INTO AN AUTONOMOUS VEHICLE NETWORK - Automatic driver modeling is used to integrate human-controlled vehicles into an autonomous vehicle network. A driver of a human-controlled vehicle is identified based on behavior patterns of the driver measured by one or more sensors of an autonomous vehicle. A model of the driver is generated based on the behavior patterns of the driver measured by the one or more sensors of the autonomous vehicle. Previously stored behavior patterns of the driver are then retrieved from a database to augment the model of the driver. The model of the driver is then transmitted from the autonomous vehicle to nearby vehicles with autonomous interfaces. | 07-10-2014 |
20140200872 | ONLINE LEARNING USING INFORMATION FUSION FOR EQUIPMENT PREDICTIVE MAINTENANCE IN RAILWAY OPERATIONS - An aspect of an online learning system includes collecting data, via a computer processing device, from a plurality of data sources including multiple disparate detectors, the data including at least one of historical alarm data, failures, maintenance records, and environment observations. The data is stored in tables each corresponding to a subject of measurement. The online learning system also includes identifying common fields shared across the tables, merging at least a portion of the data across the tables having the common fields, and creating an integrated data model based on results of the merging. | 07-17-2014 |
20140200873 | ONLINE LEARNING USING INFORMATION FUSION FOR EQUIPMENT PREDICTIVE MAINTENANCE IN RAILWAY OPERATIONS - An aspect of an online learning system includes collecting data, via a computer processing device, from a plurality of data sources including multiple disparate detectors, the data including at least one of historical alarm data, failures, maintenance records, and environment observations. The data is stored in tables each corresponding to a subject of measurement. The online learning system also includes identifying common fields shared across the tables, merging at least a portion of the data across the tables having the common fields, and creating an integrated data model based on results of the merging. | 07-17-2014 |
20140207434 | VIRTUAL MODEL MERGING SYSTEMS AND METHODS - A method includes: indicating a first and second virtual models selected by a user; and generating a list including: a first set of names of object blocks that are in the first virtual model but that are not in the second virtual model; and a second set of names of object blocks that are in the second virtual model but that are not in the first virtual model. The method further includes: selectively displaying the first and second sets of names on a display; and, in response to user input to merge object blocks from the first virtual model to the second virtual model: copying the object blocks from the first virtual model to the second virtual model; and connecting the object blocks in the second virtual model based on connections between the object blocks in the first virtual model. | 07-24-2014 |
20140278313 | SIMULATION METHODS AND SYSTEMS FOR AN AIRCRAFT - A method is provided for performing a simulation on an aircraft. The method includes: receiving, at an onboard maintenance computer (OMC) a simulation script that includes one or more steps for adjusting at least one parameter of the aircraft; processing, by the OMC, the simulation script to determine simulation data; and sending the simulation data from the OMC to one or more signal producer member systems of the aircraft to adjust the at least one parameter of the aircraft. | 09-18-2014 |
20140343912 | PROVIDING CUSTOMIZED FUEL ECONOMY RATINGS BASED ON CUSTOMER DRIVE CYCLE - Disclosed herein are systems and methods for providing customized fuel economy ratings. The method includes collecting customer drive cycle information from a first vehicle operated by a customer and simulating an operation of a second vehicle based on the customer drive cycle information. Based on the simulating, the method includes calculating the customized fuel economy rating of the second vehicle. | 11-20-2014 |
20140372093 | AIRCRAFT DESIGN APPARATUS, AIRCRAFT DESIGN PROGRAM, AND AIRCRAFT DESIGN METHOD - An aircraft design apparatus calculates aircraft specifications, which are aircraft specifications, based on a plurality of design parameters required to design an aircraft; judges whether or not the calculated aircraft specifications meet constraints that indicate the aircraft feasibility and that are set in advance and given optimizing conditions for optimizing the aircraft; changes the design parameters so that the calculated aircraft specifications meet the constraints and also meet the optimizing conditions; and executes iterative processing in which the aircraft specifications are repeatedly calculated based on the changed design parameters. By doing so, with the aircraft design apparatus, it is possible to achieve a more optimal aircraft design and it is also possible to reduce the time and effort required to design an aircraft. | 12-18-2014 |
20150019187 | SYSTEM AND METHOD FOR ASSESSING CUMULATIVE EFFECTS OF A FAILURE - A failure-effect validation system includes an effects modeler configured to develop a cumulative effects model for failure modes of the complex system, and by which a model of the complex system is extendible to form an extended complex-system model. The effects modeler is also configured to develop search targets each of which includes logical expressions of notable hazards and other factors that contribute to the cumulative effects, such as crew workload, safety margin and/or physiological effects. A model analysis system is configured to perform an automated analysis using the extended complex-system model and search targets, and in which the automated analysis includes a graph search of possible states of the extended complex-system model to locate search targets. And the effects assessment system is configured to selectively generate a layout of failure analysis data including at least a portion of the extended complex-system model and results of the automated analysis. | 01-15-2015 |
20150046138 | VEHICULAR SIMULATION TEST GENERATION - A method comprising using at least one hardware processor for: providing a plurality of behavioral models of vehicular components; providing a plurality of simulated vehicular components; providing a model of interaction between at least some of said vehicular components; and generating a simulation test for said vehicular components by defining continuous behavioral functions for said plurality of behavioral models and for said plurality of simulated vehicular components, wherein each of said continuous behavioral functions comprises a superimposition of a finite number of continuous functions each having a finite number of parameters, and wherein at least some of said continuous behavioral functions interrelate in accordance with said model of interaction. | 02-12-2015 |
20150149135 | METHOD AND SYSTEM FOR PREDICTING THE PERFORMANCE OF A SHIP - A computer-implemented method is disclosed to produce a model that predicts performance of a ship by creating an initial model based on relationships between factors related to the ship during operation and parameters representing primary dynamic input data that depend on the factors. Measurement results are obtained from sensors during the operation of the ship for producing a set of new dynamic input data to be used in the model. If a difference between a simulation result and an actual operation exceeds defined threshold criteria, the model is improved by repeatedly producing new sets of dynamic input data until defined quality criteria are met. | 05-28-2015 |
20150149136 | METHOD AND SYSTEM FOR EVALUATION OF SHIP PERFORMANCE - A computer-implemented method and a system are disclosed for evaluation of the performance of a ship. Performance variables of a ship and dynamic input parameters that affect the performance variables are defined. The dependencies between the performance variables and the dynamic input parameters are then learned automatically to provide an initial model for simulating the performance. The initial model is updated to be used as the model in further operation and further updating the model until the model meets preset quality criteria for a model to be used. | 05-28-2015 |
20150149137 | METHOD AND SYSTEM FOR DESIGNING AN AIRCRAFT - A method for designing an aircraft includes defining an initial catalog of requirements for at least one aircraft design. An optimization of the at least one aircraft design is carried out based on the catalog of requirements in terms of anticipated operating costs. A predefined total flight network is simulated with the at least one aircraft design and a total flight network efficiency is determined. It is then checked as to whether the determined total flight network efficiency constitutes an optimum. The catalog of requirements is adapted and an iteration is performed upon a determination that the determined total flight network efficiency does not constitute the optimum. | 05-28-2015 |
20150310145 | METHOD FOR ASSESSING THE CONTROLLABILITY OF A VEHICLE - The invention relates to a method the assessing the controllability of a vehicle by a driver in a risky or problematic situation. In order to carry out assessment of the controllability of a vehicle early, the following steps are provided: a. modelling the drive train and the movement dynamics of the vehicle, b. modelling situation conditions and environmental conditions, c. selecting a risky or problematic situation, d. selecting a driver capability type, e. modelling the driver's reaction as a function of the selected driver capability type. f. simulating the dynamic vehicle behaviour in the longitudinal and transverse directions of a planned trajectory on the basis of the drive train model and movement dynamics model for the predefined situation and environmental conditions when the selected risky or problematic situation occurs, g. calculating the maximum lateral and longitudinal deviation from the planned trajectory between the occurrence of the risky or problematic situation and the regaining of complete control by the driver, h. evaluating the controllability of the vehicle by the driver in the risky or problematic situation on the basis of the maximum lateral and/or longitudinal deviation. | 10-29-2015 |
20150314790 | METHOD AND ARRANGEMENT FOR DETERMINING THE SPEED BEHAVIOUR OF A LEADING VEHICLE - An arrangement for determining a vehicle speed behaviour model for a leading vehicle, where the leading vehicle drives along a path in front of a trailing host vehicle and where the determination is done by a control unit in the host vehicle, where the host vehicle includes an arrangement for measuring the time gap to the leading vehicle, an arrangement for measuring the speed of the host vehicle, an arrangement for obtaining external information regarding an upcoming change in a road condition, where the control unit is adapted for monitoring the change in vehicle speed of the leading vehicle, and for determining a vehicle speed behaviour model for the leading vehicle based on the monitored change in vehicle speed of the leading vehicle. The vehicle speed behaviour of a leading vehicle can be used by the host vehicle to optimize the fuel consumption, the comfort and the safety of the host vehicle. | 11-05-2015 |
20150331975 | A METHOD FOR ANALYZING FLIGHT DATA RECORDED BY AN AIRCRAFT IN ORDER TO CUT THEM UP INTO FLIGHT PHASES - The invention relates to a method for analyzing flight data recorded during at least one flight of an aircraft, the flight data comprising data relating to characteristic parameters of the flight, the method comprising a step for determining a state model of a flight comprising several states, each state corresponding to a possible flight phase of the aircraft, the state model comprising transitions defining the switchings between these so-called states and at least one criterion for initializing the state model, said initialization criterion corresponding to an initial state of the state model, each transition and each initialization criterion depending on at least one characteristic parameter which may be recorded during the flight of the aircraft. | 11-19-2015 |
20150356236 | Method And Apparatus For Aligning Segments - An apparatus for aligning segments with one another include a positioning device and a projection device, installed on the construction site, projecting projection lines onto the segments from different directions so that distances between the projection lines and reference points applied to the segments can be determined. The position of the individual reference points on the segments can be determined with reference to a coordinate system by an evaluation device. Based on the spatial arrangement of the reference points, theoretical best-fit planes and best-fit lines are then generated for each segment. The segments are levelled by moving the positioning device or adjusting the shortest possible distance between the theoretical best-fit planes and best-fit lines to the projection lines and are aligned by again moving the positioning device so that the distances between the theoretical best-fit planes and best-fit lines of the first segment and of the second segment are minimised. | 12-10-2015 |
20150356237 | METHOD AND APPARATUS FOR ANALYSIS OF SHAPE OPTIMIZATION - A method for analysis of shape optimization includes: a design space setting step of setting a design space; an optimization block model generating step of generating an optimization block mode in the set design space; a connection processing step of connecting the generated optimization block model with a structural body model; a material property setting step of setting a material property for the optimization block model; a crashworthy optimum shaping condition setting step of setting a crashworthy optimum shaping condition for the optimization block model; a crashworthiness analysis condition setting step of setting a crashworthiness analysis condition for the structural body model; a three-dimensional element necessity calculation step of executing a crashworthiness analysis on the optimization block model, and calculating information related to necessity of each of three-dimensional elements of the optimization block model; and an optimum shape determining step of determining an optimum shape. | 12-10-2015 |
20150370932 | REAR SEAT DESIGN AND FRONTAL IMPACT SIMULATION TOOL - A system includes receiving a vehicle characteristic, a rear seatbelt characteristic, and an occupant characteristic and simulating a frontal impact based on the received characteristics. The method further includes determining, via a computing device, an optimal location of at least one component of a rear seatbelt based at least in part on the simulated frontal impact and whether at least one criterion is satisfied. | 12-24-2015 |
20160012163 | METHOD AND APPARATUS FOR DRIVING SIMULATION OF VEHICLE | 01-14-2016 |
20160012179 | METHOD FOR MANAGING DATA RELATIVE TO MOTOR VEHICLES WITH A VIEW TO THE SUBSEQUENT GRAPHIC GENERATION OF ELECTRICAL DIAGRAMS OF ELECTRICAL SYSTEMS | 01-14-2016 |
20160055275 | LARGE SCALE FLIGHT SIMULATION - This disclosure generally relates to devices, systems, and computer-implemented methods for simulating flights. Specifically, methods are described that comprise the operations of receiving flight information for one or more flights to be simulated; receiving historical flight information for historical flights; determining, based on the flight information and the historical flight information, probabilities for one or more flight parameters of the one or more flights to be simulated; determining a current state of the one or more flights to be simulated based on the determined probabilities for the one or more flight parameters; determining a next state of the one or more flights to be simulated based on the current state; and outputting one or more evaluation parameters associated with the next state of the one or more flights to be simulated. | 02-25-2016 |
20160085892 | CRUSH MODELLING - A method of determining the impact resistance of a structure including a crushable material comprises the steps of determining for one or more layers of a finite element of the material during an impact whether the element or layer thereof is to be treated as failing by crushing. If the element or layer is determined to fail by crushing, a load-bearing portion of the structure is defined and the load-bearing portion is treated for the purpose of subsequent calculations as exhibiting an ongoing resistance. | 03-24-2016 |
20160092628 | MODELING TOOL, METHOD AND COMPUTER PROGRAM PRODUCT FOR DYNAMICALLY GENERATING A MAINTENANCE SIMULATION OF A VEHICLE - The present modeling tool and method dynamically generate a maintenance simulation of a vehicle. For doing so, a configuration interface receives a list of components of the vehicle, each particular component comprising parameters defining the particular component. The configuration interface further receives relationships between the components in the list, and determines a plurality of state, transitions, conditions, triggers and actions. A processing unit processes the data received and determined via the configuration interface to generate the maintenance simulation, the maintenance simulation comprising an aggregation of all the determined transitions between the components into a global state machine. The present method may further be performed by a computer program product. | 03-31-2016 |
20160110493 | METHOD OF PRODUCING VEHICLE ORNAMENTATION - A method includes providing a computer aided design model including a panel model having a panel model surface and an ornamentation model having an ornamentation model surface facing the panel model surface. A respective distance in the computer aided design model is calculated between the ornamentation model surface and the panel model surface at discrete points on the ornamentation model surface. Each distance is compared to a tolerance to identify the discrete points at which the respective distance is outside of the tolerance. The ornamentation model surface at the discrete points at which the respective distance is outside of the tolerance is adjusted to bring the respective distance within the tolerance. The method includes manufacturing an ornamentation including points on a surface of the ornamentation corresponding to the discrete points on the ornamentation model surface that were adjusted to bring the respective distance within the tolerance. | 04-21-2016 |
20160117427 | METHOD FOR A VEHICLE - A method for providing a model for a part of a vehicle includes selecting at least one operation state, selecting at least one possible fault type for the vehicle part, simulating vehicle part performance for the at least one operation state during the occurrence of the at least one possible fault type, for each simulation creating a representation of the vehicle part performance in which each representation is associated with at least one operating parameter value, and storing the at least one representation. | 04-28-2016 |
20160132618 | CHARACTERIZATION OF SENSOR DATA FOR VEHICLE TELEMATICS - A computing system located on-board a vehicle processes the input sensor data to obtain a downsampled representation of one or more time-series measurements. The computing system further identifies one or more characterization parameters to be reported as supplemental information along with the downsampled representation. The computing system processes the input sensor data to obtain a characterization value for each characterization parameter identified based on measurement conditions and communicates the characterizations based on a timing profile. The computing system formats the one or more characterization values to be reported along with the downsampled representation into one or more report messages. The computing system transmits the one or more report messages over a wireless wide area network directed to a server system. The one or more characterization values may be used by the server system as supplemental information in reconstructing the input sensor data from the downsampled representation. | 05-12-2016 |
20160132630 | SYSTEM AND METHOD FOR ANALYZING A POWERTRAIN CONFIGURATION - A powertrain optimization device and method that compares a predicted performance of customer-selected vehicle components to a customer-selected optimization goal. The optimization goal is used to determine dynamic performance thresholds. The method compares gradability at cruise, gradability at peak torque, engine speed, and startability to the dynamic thresholds to determine whether the vehicle performance will be satisfactory. The customer selections of vehicle components, selections of optimization goals, and any acknowledgements of failed performance checks are stored for later use. | 05-12-2016 |
20160154909 | AIRFRAME-ENGINE AERODYNAMIC SIMULATION USING A MIXING PLANE SUBDIVIDED INTO ANGULAR SECTORS | 06-02-2016 |
20160154926 | DIGITAL IMAGE CORRELATION SYSTEM AND METHOD | 06-02-2016 |
20160171133 | Method for Performing a Test Run on a Test Bench | 06-16-2016 |
20160180017 | DESIGN OPTIMIZER SYSTEM AND METHODS | 06-23-2016 |
20160188765 | AIRCRAFT SIMULATION SYSTEM - An aircraft simulation system for development of aircraft-specific application software including at least one development node running virtual software simulating an aircraft component having application software and a processor configured to execute the application software, at least one non-development node in communication with an aircraft component, and a communications network for interconnecting the at least one development node and the at least one other node, wherein the aircraft simulation system operates to simulate at least a portion of the aircraft component. | 06-30-2016 |