Patent application number | Description | Published |
20140121908 | AUTOMATED SYSTEM FOR ENHANCED BLADE CONTROL - A blade control system for a track-type machine is disclosed. The blade control system has a blade, an input device configured to control movement of the blade, an actuator in connection with the blade, a first sensor configured to determine a track-speed of the machine, and a control module in communication with the input device, the actuator, and the first sensor. The control module is configured to receive a blade positioning signal from the input device, remove a component of the blade positioning signal based on a the track-speed of the machine, and transmit a modified blade positioning signal to the actuator. | 05-01-2014 |
20140121909 | Implement Controller Having Angular Rate Correction - A system and method of controlling an earth moving implement of a machine is disclosed. The method may include receiving a pitch rate of the machine in a body reference frame and determining a roll of the machine. The method may further include determining a turning rate of the machine and calculating a pitch rate of the machine in a gravity reference frame based on the pitch rate of the machine in the body reference frame, the roll of the machine, and the turning rate of the machine. The method may further include controlling the earth moving implement based on the pitch rate of the machine in the gravity reference frame. | 05-01-2014 |
20140146167 | Perception Based Loading - Systems and methods for assisted positioning of a haul machine at a destination position for receiving materials from a loading machine are provided. The method includes obtaining from at least one perception device information reflecting a location or orientation of a first fiducial attached to the loading machine; determining a location or position of the first fiducial based on the information provided by the at least one perception device; determining the destination position based on the location or position of the first fiducial; and issuing guidance to an operator of the haul machine indicating an adjustment in steering angle based on the determined destination position. | 05-29-2014 |
20140375497 | Positioning Error Detection and Mitigation System and Method - A method for detecting and mitigating errors in a positioning system includes receiving a first signal from a global navigation satellite system (GNSS) indicative of a first position and a second signal from the GNSS indicative of a second position of a machine, determining a difference between the first position and the second position, detecting an error in a current position of the machine when the difference between the first and the second position exceeds a threshold of one of (a) a maximum distance given a maximum velocity, and (b) an actual distance determined based on an output of an inertial sensor on the machine, and mitigating the detected error in the current position of the machine by switching from an output of the positioning system to a position output determined based upon the output of the inertial sensor to update the current position. | 12-25-2014 |
20150226550 | SYSTEM AND METHOD FOR ESTIMATION OF MACHINE POSITION - A system is provided. The system includes a perception sensor, a first inertial measurement unit and a first localization module. The first localization module is configured to generate a first position estimate signal indicative of an estimated position of the machine. The system includes a second inertial measurement unit and a second localization module. The second localization module is configured to generate a second position estimate signal indicative of the estimated position of the machine. A position determination module is communicably coupled to the first and second localization modules. The position determination module is configured to determine a health of the first and second localization modules based on one or more parameters indicative of errors associated with the first and second inertial measurement units respectively; and determine an estimated position of the machine based on the determined health of the first and second localization modules. | 08-13-2015 |
20150276936 | CASCADED COUPLED POSITIONING SYSTEM - A cascaded coupled positioning system is provided for acquiring a position of a vehicle. In the current disclosure, a global navigation satellite system is coupled with a first inertial measurement unit. The global navigation satellite system is coupled with the first inertial measurement unit by using a first signal processing unit configured to provide a tightly coupled positioning solution. The tightly coupled positioning solution of the first signal processing unit is integrated with a second inertial measurement unit. The integration is performed using a second signal processing unit configured to provide a loosely coupled positioning solution. | 10-01-2015 |
20160035149 | TRUCK SPOTTING SYSTEM USING POSITION DETECTION AND PERCEPTION - A truck spotting system is provided that uses a position detection module in a truck and a position detection module in a loader to provide a initial position and orientation of each machine. A perception module on-board the loader is configured to measure a distance and orientation of the truck relative to the loader. A controller receives a initial target position from the truck and calculates a target position from the distance and orientation, then communicates a refined target position to the truck. | 02-04-2016 |
20160091317 | NAVIGATION SYSTEM AND METHOD FOR MACHINE - A method of determining a heading of a machine having an implement is provided. The method includes determining a first heading data of the machine using an inertial sensor. The method includes determining a second heading data of the machine using a magnetometer. The method includes determining a position of the implement in a stationary state. The method also includes calculating a corrected second heading data based on a predefined relation between the position of the implement in the stationary state and the second heading data. The method further includes determining the heading of the machine based on the first heading data and the corrected second heading data. | 03-31-2016 |
20160097183 | SYSTEM AND METHOD FOR MONITORING POSITION OF MACHINE IMPLEMENT - A system for monitoring a position of an implement of a motor grader relative to a frame thereof is provided. The motor grader includes an actuation system to selectively move the implement relative to the frame. The system includes a fiber optic cable extending along at least a portion of the frame, a portion of the actuation system and a portion of the implement. The fiber optic cable is configured to move with the portion of the actuation system and the portion of the implement, and selectively generate signals indicative of a shape thereof. The system further includes a controller in communication with the fiber optic cable. The controller is configured to determine the shape of the fiber optic cable based on the signals received therefrom, and further determine a position of the implement relative to the frame based on the shape of the fiber optic cable. | 04-07-2016 |
20160097277 | FIBER OPTIC SHAPE SENSING ADAPTED TO CUTTER MODULE OF HIGHWALL MINER - A system for determining the position and orientation of a cutter module relative to a frame of a highwall miner is provided. The cutter module is attached to the highwall miner by a string of push beams and moveable relative to the highwall miner. A reel is rotatably mounted to the highwall miner frame and configured to feed out a hose chain that supplies fluid to the cutter module. A fiber optic shape sensing system is associated with the cutter module is configured to receive strain information from the fiber bundle and compute the location of at least one position of the fiber bundle that is associated with the cutter module relative to the reference frame. | 04-07-2016 |
20160097408 | CYLINDER POSITION DETERMINATION USING FIBER OPTIC SHAPE SENSING - A system for determining the stroke of a hydraulic cylinder is provided. The hydraulic cylinder includes a barrel with a rod that slidably extends therefrom. A fiber optic shape sensing system is positioned to determine the stroke of the rod relative to the barrel. An interrogation module is fixed to a reference frame. A fiber bundle is joined to the interrogation module at a proximal end and a fiber termination at a distal end, which is joined to the connecting end of the rod. A signal conditioning module connected to the interrogation module is configured to compute the location of at least one position of the fiber bundle relative to the reference frame; and provide an output indicative of the stroke of the connecting end relative to the barrel. | 04-07-2016 |
20160097658 | FIBER OPTIC IMPLEMENT POSITION DETERMINATION SYSTEM - A system for determining the orientation of an implement relative to a frame of a machine is provided. The implement is attached to and moveable relative to the machine. A fiber optic shape sensing system is associated with the implement. The fiber optic shape sensing system provides the position and orientation of the implement relative to a reference frame that is fixed to the machine frame. | 04-07-2016 |