Patents Assigned to GM Global Technology Operations LLC
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Publication number: 20250148083Abstract: A system may include data processing hardware and memory hardware in communication with the data processing hardware. The memory hardware may store instructions that when executed on the data processing hardware cause the data processing hardware to perform operations. The operations include requesting, via a boot manager of a host module, a hardware security module (HSM) to verify an application software of the host module and configuring, via the verified application software, a memory protection unit (MPU) to at least one of no execute and no write for at least one area of a memory of the host module. The operations further include executing the application software with the HSM enabled.Type: ApplicationFiled: November 7, 2023Publication date: May 8, 2025Applicant: GM Global Technology Operations LLCInventors: Brian Farrell, John Jen, J. David Rosa
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Publication number: 20250145009Abstract: A multi-phase power inverter for an electric propulsion system includes a plurality of X-type multilevel power converters arranged between a high-voltage direct current (DC) power supply and an electric machine. Each of the plurality of X-type multilevel power converters is a solid-state integrated circuit (IC) that includes a positive DC power bus, a negative DC power bus, a neutral bus, and a plurality of semiconductor switches disposed in a stacked arrangement. The plurality of semiconductor switches is interconnected via the positive DC power bus, the negative DC power bus, and the neutral bus.Type: ApplicationFiled: November 3, 2023Publication date: May 8, 2025Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Yilun Luo, Junghoon Kim, Khorshed Mohammed Alam, Chandra S. Namuduri, Rashmi Prasad
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Publication number: 20250145112Abstract: A vehicle includes ignition controls operable between an active state and an inactive state and a storage compartment operable between a locked state and an unlocked state. An electronic control unit (ECU) is configured to detect one of the active state and the inactive state of the ignition controls and includes data processing hardware and memory hardware that stores a security monitoring system. The security monitoring system includes an alarm and a security monitoring application that is configured to execute a delay mode including a tiered proactive measure. The delay mode is configured to delay translation of the storage compartment from the locked state to the unlocked state in response to a security event.Type: ApplicationFiled: November 3, 2023Publication date: May 8, 2025Applicant: GM Global Technology Operations LLCInventors: Russell A. Patenaude, Eric T. Hosey, Matthew Edward Gilbert-Eyres, Noah Stone, Craig Thomas Douglas
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Publication number: 20250149939Abstract: A rotor assembly for an electric machine includes first laminates, second laminates; and a rotor shaft, wherein the first laminates and the second laminates are arranged in a stack on the rotor shaft. Each of the first laminates includes a first inner portion and a plurality of first outer portions, wherein the first inner portion and the first outer portions define a plurality of first cavities, wherein the plurality of first outer portions are secured to the first inner portions via a plurality of bridges. Each of the second laminates includes a second inner portion and a plurality of second outer portions. The second inner portion and the plurality of second outer portions define a plurality of second cavities, wherein the second outer portions are secured to the second inner portions via a plurality of second webs and are absent a bridge.Type: ApplicationFiled: November 7, 2023Publication date: May 8, 2025Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Cheng Gong, Edward L. Kaiser, Cheongun Han
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Publication number: 20250148639Abstract: A method of performing a camera to ground alignment for a camera system on a vehicle. The method includes determining if enabling conditions have occurred and estimating a location of a vanishing point in a source image. Ground lines are selected based on a source image. A lane line detection is performed based on clustering of the ground lines to determine lane lines in the source image. At least one of pitch, yaw, or roll of the vehicle are estimated from the source image. A cost function based on estimates of pitch, yaw, and roll is minimized to obtain an optimal pitch value, an optimal yaw value, an optimal roll value, and lane lines from the source image. A sliding window-based refinement is performed on source images. Alignment results are broadcast to a downstream application or it is determined if the camera system on the vehicle is misaligned.Type: ApplicationFiled: November 2, 2023Publication date: May 8, 2025Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Binbin Li, Xinyu Du, Yao Hu, Hao Yu, Wende Zhang
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Publication number: 20250145159Abstract: Methods and apparatus are provided for performing an assisted driving trailer reversing operation including a user interface configured to generate an initiation signal in response to a user input, a processor configured to generate a control signal in response to the initiation signal indicative of an inverse steering ratio, a steering angle sensor to detect a steering direction and a steering angle from a center steering position, a steering controller configured to receive the steering angle and the steering direction from the steering angle sensor, to invert the steering angle to generate an inverted steering angle such that the inverted steering angle has a same angular magnitude as the steering angle and an opposite direction than the steering direction, and a vehicle control system for controlling a movement of a vehicle in response to the inverted steering angle.Type: ApplicationFiled: November 8, 2023Publication date: May 8, 2025Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Vincent Wei, Kun Zhao
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Publication number: 20250146534Abstract: Vehicles, crankshaft assemblies for vehicles, and methods for connecting vehicle accessory components and crankshafts are provided. A vehicle includes an engine configured to produce a linear motion output; a crankshaft configured to convert the linear motion output to rotational motion and terminating at an end with a tapered exterior surface extending to a central surface; an annular ring having a proximal ring surface, a distal ring surface, a ring opening, and a tapered inner surface, wherein the end of the crankshaft is received in the ring opening; and a fastener fixed to the crankshaft and holding the annular ring against the tapered exterior surface.Type: ApplicationFiled: November 6, 2023Publication date: May 8, 2025Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Suman Bargav R, Durga Prasad Kandula, James D. Cremonesi
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Publication number: 20250145010Abstract: A multi-phase power inverter for an electric propulsion system includes a plurality of T-type multilevel power converters arranged between a high-voltage direct current (DC) power supply and an electric machine. Each of the plurality of T-type multilevel power converters is a solid-state integrated circuit that includes a positive DC power bus, a negative DC power bus, a neutral bus, and a plurality of semiconductor switches disposed in a stacked arrangement. The plurality of semiconductor switches is interconnected via the positive DC power bus, the negative DC power bus, and the neutral bus.Type: ApplicationFiled: November 3, 2023Publication date: May 8, 2025Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Yilun Luo, Junghoon Kim, Khorshed Mohammed Alam, Chandra S. Namuduri, Rashmi Prasad
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Publication number: 20250150012Abstract: A multi-phase power inverter for an electric propulsion system includes a plurality of H-type multilevel power converters arranged between a high-voltage DC power supply and an electric machine. Each of the plurality of H-type multilevel power converters is a solid-state integrated circuit (IC) that includes a positive DC power bus, a negative DC power bus, a neutral bus, and a plurality of semiconductor switches disposed in a stacked arrangement. The plurality of semiconductor switches is interconnected via the positive DC power bus, the negative DC power bus, and the neutral bus.Type: ApplicationFiled: November 3, 2023Publication date: May 8, 2025Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Yilun Luo, Junghoon Kim, Khorshed Mohammed Alam, Chandra S. Namuduri, Rashmi Prasad
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Publication number: 20250146523Abstract: A rotor shaft system for a vehicle includes a rotor shaft having a first shaft end opposite a second shaft end. The rotor shaft has a first segment and a second segment defined between the first shaft end and the second shaft end. The rotor shaft system includes a shaft gear coupled to the rotor shaft between the first shaft end and the first segment, and a shaft sleeve coupled to the first segment so as to surround a portion of the shaft gear. The rotor shaft system includes a lubrication system defined at least partially through the rotor shaft and the shaft sleeve. The lubrication system is to supply a fluid to at least a portion of the rotor shaft and the shaft sleeve.Type: ApplicationFiled: November 6, 2023Publication date: May 8, 2025Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: John Miller, Shawn H. Swales, Edward L. Kaiser, Travis M. Thompson
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Publication number: 20250145052Abstract: An electrical power system. The electrical power system may include a rechargeable energy storage system (RESS) having a high voltage (HV) interface configured for exchanging HV power with one or more loads and a low voltage (LV) interface configured for exchanging LV power with a plurality of electrical grids a redundant distribution system having a plurality of busbars configured for redundantly connecting the electrical grids with the LV interface such that each of the electrical grids remains operable and connected to the LV interface during a disconnect event.Type: ApplicationFiled: November 8, 2023Publication date: May 8, 2025Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Mohamed Kamel, Anthony J. Corsetti, Robert J. Heydel, Jonathan O. Conell, Robert A.. DeStefano
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Publication number: 20250145228Abstract: An aerodynamic system for a vehicle that includes a structure. The structure includes a body that defines an underbody. The vehicle includes an assembly that moves relative to the body. A panel system is coupled with the underbody and includes an aerodynamic panel defining an opening and a reactive panel that closes the opening. The aerodynamic panel is coupled with the body at the underbody. The reactive panel moves in response to contact by the assembly and returns to close the opening when released by the assembly.Type: ApplicationFiled: November 8, 2023Publication date: May 8, 2025Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Peter Martucci
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Publication number: 20250145026Abstract: A multifunctional unified structure thermal plate and system for supporting a plurality of battery cells included as part of a high voltage battery pack. The plate may include a bottom plate and a plurality of crossbeams configured for supporting the battery cells, with the bottom plate and the crossbeams together being from as a monolithic, one-piece structure.Type: ApplicationFiled: November 6, 2023Publication date: May 8, 2025Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Joel S. Hooton, Joshua L. Solomon, Hui-Ping Wang, Lu Huang, Xiaoling Chen
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Publication number: 20250148836Abstract: A computer-implemented method that, when executed by data processing hardware, causes data processing hardware to perform operations comprising receiving a service request associated with a service request button of a vehicle, receiving one or more service button engagement scoring inputs each associated with a corresponding vehicle status, calculating a service request confidence score based on the one or more service button engagement scoring inputs, assigning a service request cancellation period based on the one or more service button engagement scoring inputs, determining whether a cancellation request is received within the service request cancellation period, and either cancelling the service request when the cancellation request is received within the service request cancellation period, or transmitting the service request to a service provider when the cancellation request is not received within the service request cancellation period.Type: ApplicationFiled: November 3, 2023Publication date: May 8, 2025Applicant: GM Global Technology Operations LLCInventors: Matthew Edward Gilbert-Eyres, Russell A. Patenaude, Eric T. Hosey, Benjamin Tran
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Patent number: 12291147Abstract: A system for utilizing human machine interfaces to engage at least one passenger when a driver of a vehicle is distracted includes a system controller in communication with a plurality of passenger human machine interfaces and adapted to modify a display screen of a front seat passenger HMI, and an occupant monitoring system adapted to monitor the driver of the vehicle and the at least one passenger within the vehicle, the system controller adapted to determine, with a distracted driver algorithm within the system controller and data from the occupant monitoring system that the driver of the vehicle is distracted, and, when the driver of the vehicle is distracted, to actuate the plurality of passenger HMIs to engage the at least one passenger and encourage the at least one passenger to engage with the driver of the vehicle.Type: GrantFiled: September 21, 2023Date of Patent: May 6, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Daniel S. Glaser, Joseph F. Szczerba, Yi Guo Glaser, Sri Krishna Divya Pemmaraju, Michael Alexander Wuergler
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Patent number: 12294416Abstract: An automobile includes an electronic control unit (ECU), at least one fiber optical cable, and a sensor unit. The ECU is operational to generate an optical power signal and a first optical communications signal. The fiber optical cable transports the optical power signal and the first optical communications signal. The sensor unit is operational to convert the optical power signal into an electrical power, convert the first optical communications signal into an electrical control signal, measure a first parameter related to the automobile, and generate a second optical communications signal that conveys the first parameter as measured. The fiber optical transports the second optical communications signal to the electronic control unit. The ECU is further operational to convert the second optical communications signal into a first electrical sensed signal that conveys the first parameter, and take an action based on the first parameter in the first electrical sensed signal.Type: GrantFiled: April 10, 2023Date of Patent: May 6, 2025Assignee: GM Global Technology Operations LLCInventors: Tzvi Philipp, Igal Kotzer
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Patent number: 12291232Abstract: A detection system for a host vehicle includes a camera, global positioning system (“GPS”) receiver, compass, and electronic control unit (“ECU”). The camera collects polarimetric image data forming an imaged drive scene inclusive of a road surface illuminated by the Sun. The GPS receiver outputs a present location of the vehicle as a date-and-time-stamped coordinate set. The compass provides a directional heading of the vehicle. The ECU determines the Sun's location relative to the vehicle and camera using an input data set, including the present location and directional heading. The ECU also detects a specular reflecting area or areas on the road surface using the polarimetric image data and Sun's location, with the specular reflecting area(s) forming an output data set. The ECU then executes a control action aboard the host vehicle in response to the output data set.Type: GrantFiled: March 6, 2023Date of Patent: May 6, 2025Assignee: GM Global Technology Operations LLCInventors: Michael Baltaxe, Tzvi Philipp, Dan Levi
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Patent number: 12294970Abstract: Systems and methods for diagnosing sensor performance of a UWB sensor localization are provided. The system comprises a UWB tag, at least four UWB anchors, and a gateway. The gateway comprises an ECU arranged to receive sensor signals from the UWB anchors. The ECU comprises a preprocessing module arranged to align the sensor signals defining aligned data and is arranged to determine intersections of the aligned data defining points of intersections. The system further comprises a clustering module arranged to cluster the points of intersections defining at least one cluster of points of the UWB anchors to calculate a clustering quality and a clustering variance of each of the at least one cluster. The ECU is arranged to find a clustering contribution of each anchor defining a first contribution low of one of the anchors and is arranged to determine an erratic anchor based the first contribution low.Type: GrantFiled: October 26, 2022Date of Patent: May 6, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jinzhu Chen, Zijun Han, Fan Bai, Aaron Adler, John Sergakis
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Patent number: D1074005Type: GrantFiled: January 5, 2024Date of Patent: May 6, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Daniel C. Gifford, Matt McNerney, Zachary K. Parkinson
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Patent number: D1074043Type: GrantFiled: February 2, 2023Date of Patent: May 6, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Tyler L. H. Moffett, Eduardo Okamoto