Patents Assigned to GM
-
Patent number: 11872988Abstract: In accordance with an exemplary embodiment, methods and systems are provided for controlling automatic overtake functionality for a host vehicle. In on such exemplary embodiment, a disclosed method includes: (i) obtaining, via a plurality of sensors, sensor data pertaining to the host vehicle and a roadway on which the host vehicle is traveling; (ii) determining, via a processor, when an automatic overtake is recommended, using the sensor data in conjunction with one or more threshold values; (iii) receiving driver inputs pertaining to the automatic overtake; and (iv) adjusting, via the processor, the one or more threshold values for the automatic overtake based on the driver inputs.Type: GrantFiled: November 10, 2020Date of Patent: January 16, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jeffrey S. Parks, Namal P. Kumara, Paul A. Adam, Gabriel T. Choi, Michael J. Abowd, Braden J. Swantick
-
Patent number: 11876213Abstract: A method of making an electrode material for an electrode in an electrochemical cell that cycles lithium ions is provided, where a protective coating is applied to an electrode precursor material. The electrode precursor may be a silicon-containing composition. The protective coating is selected from the group consisting of: an oxide-based coating, a fluoride-based coating, and a nitride-based coating. The method also includes lithiating the electrode precursor material in a continuous process. The continuous process is conducted in a reactor having a first reaction chamber and a second reaction chamber to form a lithiated electrode material comprising the protective coating.Type: GrantFiled: January 24, 2020Date of Patent: January 16, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Xingcheng Xiao, Xingyi Yang, Raghunathan K, Mark W. Verbrugge
-
Patent number: 11872893Abstract: A propulsion system for a device includes an electric motor configured to generate torque to propel the device. A position sensor is adapted to determine a rotor position of the electric motor. The system includes a controller having instructions recorded for determining the rotor position when a sensor fault condition is detected. The controller is adapted to selectively command injection of a voltage signal in a direct magnetic axis in a synchronous reference frame when a motor speed of the electric motor is below a predefined motor speed threshold and the sensor fault condition is detected. The rotor position is estimated based in part on a motor current response to the voltage signal. The voltage signal is defined by an alternating periodic shape having respective constant segments in each of a plurality of control periods, the respective constant segments being discontinuous between the control periods.Type: GrantFiled: April 13, 2022Date of Patent: January 16, 2024Assignees: GM Global Technology Operations LLC, Seoul Nathional UniversityInventors: Anno Yoo, Seung-Ki Sul, Hyung-June Cho
-
Patent number: 11875677Abstract: A method in a vehicle includes receiving a vehicle-to-infrastructure (V2I) message transmitted from a communication system affixed to infrastructure at a location. The V2I message includes at least one category of information among a plurality of categories of information and the plurality of categories of information include map-based information and road safety information. The method also includes determining, based on performing at least one type of verification, whether a misbehavior has occurred with respect to the V2I message. The misbehavior indicates incorrect information in the V2I message. A counter is maintained of a number of times the misbehavior has occurred with respect to the V2I message at the location, and the misbehavior is reported based on the counter.Type: GrantFiled: February 2, 2021Date of Patent: January 16, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Vivek Vijaya Kumar, Mohammad Naserian, Kemal E. Tepe, Hariharan Krishnan
-
Patent number: 11873006Abstract: A virtual lane estimation system includes a memory device, a sensor and a computer. The memory device is configured to store a road map that corresponds to a portion of a road ahead of a vehicle. The sensor is configured to observe a plurality of trajectories of a plurality of neighboring vehicles that traverse the portion of the road. The computer is configured to initialize a recursive self-organizing map as a plurality of points arranged as a two-dimensional grid aligned with the road map, train the points in the recursive self-organizing map in response to the trajectories, generate a directed graph that contains one or more virtual lanes through the road map in response to the points trained to the trajectories, and generate a control signal that controls navigation of the vehicle through the portion of the road in response to the virtual lanes in the directed graph.Type: GrantFiled: September 21, 2020Date of Patent: January 16, 2024Assignee: GM Global Technology Operations LLCInventors: Tiffany J. Hwu, Rajan Bhattacharyya, Michael J. Daily, Kyungnam Kim
-
Patent number: 11873010Abstract: An energy management system for an electric autonomous vehicle comprises a battery and a controller comprising a processor and a non-transitory computer-readable medium. The system comprises a pre-allocation input mechanism transmitting an input signal to the processor relating to a travel destination for the vehicle. The system comprises a navigation module receiving a wireless signal from a satellite network relating to a current location of the vehicle. The system comprises an autonomous input mechanism powered by the battery and transmitting an autonomous signal to the processor relating to dynamic conditions for autonomous operation of the vehicle. The processor determines a route between the current location and the travel destination, performs autonomous operation of the vehicle along the route, and selectively powers or tunes the usage of the at least one autonomous input mechanism with the battery during autonomous operation of the vehicle.Type: GrantFiled: December 8, 2021Date of Patent: January 16, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Kamran Ali, Donald K. Grimm
-
Patent number: 11874857Abstract: A system and method for generating shard data based on semantic sharding is proposed. Shard data is generated by a map sharder that is configured to generate the shard data based on semantic objects in a geographical area and a definition of sections. The sections cover parts of the geographical area. The map sharder searches, for each of the sections, for semantic objects that are located at least partly in a section and stores found objects in a shard data entry of the shard data.Type: GrantFiled: October 28, 2022Date of Patent: January 16, 2024Assignee: GM CRUISE HOLDINGS LLCInventors: Mikhail Chernov, Xiaojun Sun
-
Patent number: 11872989Abstract: The concepts described herein relate to a calculation of desired future longitudinal horizons related to torque or acceleration, and desired future lateral horizons related to yaw rate and lateral velocity, and their use in response to driver-selectable modes. In the longitudinal direction, driver inputs of pedal and brake position as well as drivability metrics are used to calculate the desired future torque trajectory. In the lateral direction, the front and rear steering angles may be used with a bicycle model to derive the trajectories. The trajectories are used in a vehicle motion controller that uses weighting to tradeoff competing requests and deliver performance that is consistent with a selected driver mode, such as a tour mode, a sport mode, an off-road mode, a trailering mode, etc.Type: GrantFiled: December 18, 2020Date of Patent: January 16, 2024Assignee: GM Global Technology Operations LLCInventors: Paul G. Otanez, Yiran Hu, Hualin Tan, Daniel L Baibak, Ruixing Long
-
Patent number: 11872859Abstract: A top mount assembly includes an attachment bracket having a flange section, a piston rod mount section, and a cylinder section, the flange section includes a plurality of apertures for receiving a plurality of fastener bolts, the piston rod mount section being configured to receive a piston rod, and the cylinder section of the attachment bracket includes an annular chamber that receives an annular working piston.Type: GrantFiled: August 3, 2022Date of Patent: January 16, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Sean Gaw, Douglas Arbour, Dominick Sterley
-
Patent number: 11876409Abstract: A rotor for an electric machine includes a rotor body formed from a plurality of rotor laminations defining a first axial end and a second axial end. Each of the plurality of rotor laminations includes a plurality of openings that are aligned so as to define a plurality of passages through the rotor body. A plurality of reinforcement elements extend through the plurality of laminations. Each of the plurality of reinforcement elements is arranged in a corresponding one of the plurality of passages and includes a first end portion and a second end portion. The first end portion and the second end portion of select ones of the plurality of reinforcement elements extend outwardly of the first axial end and the second axial end. An end ring is positioned at the first axial end. The end ring is integrally formed with the select ones of the plurality of reinforcement elements.Type: GrantFiled: July 15, 2021Date of Patent: January 16, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Alireza Fatemi, Anthony Michael Coppola, Derek Frei Lahr
-
Patent number: 11872937Abstract: A system for detecting one or more characteristics of an object within an automotive vehicle includes one or more sensors mounted within an interior of the vehicle or on an exterior of the vehicle, with each sensor being configured to detect a location, an orientation, a size and/or an object type of the object, and a controller operably connected with the one or more sensors and configured to assess whether the object is disposed in a predetermined alertworthy disposition. A method for detecting characteristics of the object within the vehicle includes determining the location, orientation, size and/or object type of the object using the one or more sensors, and assessing whether the object is disposed in a predetermined alertworthy disposition.Type: GrantFiled: February 16, 2022Date of Patent: January 16, 2024Assignee: GM Global Technology Operations LLCInventors: Matthew E. Gilbert-Eyres, Russell A. Patenaude, Eric T. Hosey, Matthew Neely
-
Patent number: 11873878Abstract: A noise vibration harshness reduction assembly includes a housing, a component, and an axial ring. The component is supported via the housing and movable relative to the housing. The axial ring is disposed axially along the component. The axial ring is configured to attenuate axial sound inducing vibrations in response to operation of the component.Type: GrantFiled: July 6, 2021Date of Patent: January 16, 2024Assignee: GM Global Technology Operations LLCInventors: Sen J. Zhou, Pavan Kumar Patruni, Venu G. Ganti, Craig D. Reynolds, Dhanasekar Baladhandapani, Hung-Yih I. Du
-
Patent number: 11873873Abstract: Systems and methods of making an enhanced brake rotor having enhanced wear resistance are provided. The systems and methods provide a vehicular rotor comprising a base comprising iron (Fe). The base comprises an outer surface having a laser-hardened portion thereon. The laser-hardened portion comprises martensite and having a thickness of between 10 and 100 microns of the outer surface to define the enhanced brake rotor with enhanced wear resistance.Type: GrantFiled: April 15, 2022Date of Patent: January 16, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Benjamin Everest Slattery, Kevin P. Callaghan, Mark T. Riefe
-
Patent number: 11876034Abstract: A power module is provided and includes first stack, second stack, and third stacks of layers, a heat pipe, and at least one cold plate or heat sink. The third stack of layers is disposed between the first and second stacks of layers and includes a first semiconductor die, a second semiconductor die and a center spacer layer disposed between the first semiconductor die and the second semiconductor die. The heat pipe extends at least partially into the center spacer layer. The at least one cold plate or heat sink receives thermal energy from the first stack of layers and the second stack of layers. The first stack of layers, the second stack of layers, the third stack of layers, the heat pipe and the at least one cold plate or heat sink facilitate dual sided cooling of each of the first semiconductor die and the second semiconductor die.Type: GrantFiled: March 29, 2021Date of Patent: January 16, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Muhammad H. Alvi, Ming Liu, Rashmi Prasad, Anthony M. Coppola
-
Patent number: 11873003Abstract: An autonomous vehicle incorporating a multimodal multi-technique signal fusion system is described herein. The signal fusion system is configured to receive at least one sensor signal that is output by at least one sensor system (multimodal), such as at least one image sensor signal from at least one camera. The at least one sensor signal is provided to a plurality of object detector modules of different types (multi-technique), such as an absolute detector module and a relative activation detector module, that generate independent directives based on the at least one sensor signal. The independent directives are fused by a signal fusion module to output a fused directive for controlling the autonomous vehicle.Type: GrantFiled: October 31, 2020Date of Patent: January 16, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Clement Creusot, Sarthak Sahu, Matthias Wisniowski
-
Patent number: 11873785Abstract: A cooling circuit includes vehicle components and a jet manifold. The vehicle components are configured to receive coolant and include a first vehicle component and a second vehicle component. The jet manifold includes a first input, a second input and a nozzle. The first input is configured to receive coolant from the first vehicle component. The second input is configured to receive coolant from the second vehicle component. The nozzle is configured to increase pressure of the coolant received at the first input to generate a jet stream and a low-pressure zone in a cavity of a body of the jet manifold, the low-pressure zone created by the jet stream drawing coolant from the second input.Type: GrantFiled: January 18, 2023Date of Patent: January 16, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jeffery J Milton, Chung Y. Wei
-
Patent number: 11876472Abstract: The disclosure includes a control system for a multi-phase electric machine that includes an inverter configured to transfer electric energy from a rechargeable energy storage device (RESS), and phase current sensors. A controller includes an executable instruction set to monitor, via the phase current sensors, the phase currents, and detect that one of the phase currents is outside a linear measurement range of a respective one of the phase current sensors. An extrapolated current for the respective one of the phase current sensors is determined based upon the phase currents from others of the phase current sensors. A current extrapolation routine evaluates the respective one of the phase current sensors. A fault is detected in the respective one of the phase current sensors based upon the current extrapolation routine and the extrapolated current.Type: GrantFiled: March 21, 2022Date of Patent: January 16, 2024Assignee: GM Global Technology Operations LLCInventors: Brent S. Gagas, Brian A. Welchko
-
Patent number: 11875611Abstract: According to one or more examples, a system includes an observer vehicle, and a vehicle in a predetermined vicinity of the observer vehicle. The observer vehicle detects an operating condition of the vehicle using one or more perception devices. The observer vehicle determines that the operating condition does not satisfy a predetermined norm. The observer vehicle generates a message indicating the operating condition of the vehicle. The observer vehicle identifies a communication identifier of the vehicle. The observer vehicle sends the message to be received by the vehicle using the communication identifier via a vehicle to everything (V2X) communication module.Type: GrantFiled: August 3, 2021Date of Patent: January 16, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Mohammad Naserian, Paul E. Krajewski, Fan Bai, Abby Szafranski, Donald K. Grimm, Craig A. Kollar, Bryan Quintanilla
-
Patent number: 11872632Abstract: Systems and methods are provided for producing powders. The system includes a housing having an enclosure, a crucible configured to produce a melt of a first material, a droplet device configured to receive the melt of the first material from the crucible and produce a flow of droplets of the melt of the first material within the enclosure of the housing, wherein the droplets solidify within the enclosure, and a distribution device configured to propel a second material into the flow of droplets of the first material within the enclosure such that the second material is mixed with the droplets of the first material to produce the powder that includes the first material, the second material, and/or a reaction product thereof.Type: GrantFiled: December 27, 2022Date of Patent: January 16, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Ronald C Daul, Qigui Wang, Ali Shabbir, Yucong Wang, Andrew J Buckland
-
Patent number: 11871845Abstract: A shelving system including a cabinet including a product receiving zone. The product receiving zone includes a first end, a second end, a first side and a second side. A shelf member is arranged between the first side and the second side. The shelf member includes a first side portion and a second side portion. One of the first side portion and the second side portion includes a first shelf support and a second shelf support. A bi-directional slide and tilt system is mounted to one of first side and the second side of the product receiving zone. The bi-directional slide and tilt system includes a first portion receptive of the first shelf support and a second portion receptive of the second shelf support. The first portion and the second portion facilitate sliding and tilting of the shelf relative to the product receiving zone.Type: GrantFiled: April 1, 2022Date of Patent: January 16, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Adam Tracy, Emanuel Magallon, Ryan Braunstein