Patents Assigned to GM Global Technologies Operations LLC
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Patent number: 12243988Abstract: A vehicle includes a propulsion system having multiple electric motors. A battery system is connected to the electric motors via a direct current to direct current (DC-DC) converter and an inverter. The battery system includes a battery assembly having a plurality of battery modules. Each of the battery modules has multiple individual battery cells arranged in battery packs, a set of sensors configured to monitor a set of parameters of each battery pack, and a plurality of battery pack mounts. Each battery pack mount includes a base plate and a top plate and an actuator configured to alter a distance between plates. A monitoring unit is configured to monitor a value representative of a battery pack pressure, determine whether the value falls within a pressure threshold window, and maintain the value within the pressure threshold window by actively altering the battery pack pressure.Type: GrantFiled: July 11, 2023Date of Patent: March 4, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Insu Chang, Chen-fang Chang, Jun-mo Kang, Hanho Yun, Chunhao J. Lee, Yongjie Zhu, Nicholas W. Pinto
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Patent number: 12243426Abstract: A warning system is provided for alerting a VRU of a predicted collision. The system includes one or more input devices for transmitting first and second input signals for associated first and second vehicles. The system further includes a UWB beacon communicating with a UWB tag of a VRU notification device carried by the VRU. A location of the UWB tag is trackable via a third input signal. The system further includes a computer having one or more processors and a non-transitory computer readable medium. The processor is programmed to determine the location of the VRU and further determine the predicted collision between the second vehicle and the VRU. The processor is further programmed to generate a notification actuation signal associated with the VRU at a tracked location. The VRU notification device notifies the VRU that the second vehicle is headed toward the predicted collision site in the crosswalk.Type: GrantFiled: January 11, 2023Date of Patent: March 4, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Mohammad Naserian, Jie Zhu, Feiyu Cong, Jinzhu Chen, An Xu
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Patent number: 12240345Abstract: A system for controlling power transfer includes a direct current (DC)-DC converter connected to a charging bus and selectively connected to a propulsion battery assembly and a supplemental battery assembly, the propulsion battery assembly having a first chemistry and configured to supply power to an electric motor of a vehicle, the supplemental battery assembly having a second chemistry that is different than the first chemistry. The system also includes a charger connected to the charging bus at a first side of the DC-DC converter, the charging bus connected to a load at a second side of the DC-DC converter, and a controller configured to control the DC-DC converter to perform a charging operation.Type: GrantFiled: August 9, 2023Date of Patent: March 4, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Shuonan Xu, Hanho Yun, Lei Hao
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Patent number: 12240491Abstract: A system for motion planning for a vehicle includes at least one vehicle sensor for determining information about an environment surrounding the vehicle and a controller in electrical communication with the at least one vehicle sensor. The controller is programmed to perform a plurality of measurements of a remote vehicle using the at least one vehicle sensor. The plurality of measurements includes at least a plurality of position measurements of the remote vehicle. The controller is further programmed to determine a risk score for each of a plurality of location cells in an environment surrounding the remote vehicle based at least in part on the plurality of measurements of the remote vehicle. The controller is further programmed to adjust a planned path of the vehicle based at least in part on the risk score of each of the plurality of location cells in the environment surrounding the remote vehicle.Type: GrantFiled: December 6, 2022Date of Patent: March 4, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Alireza Esna Ashari Esfahani, Upali P. Mudalige
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Patent number: 12244211Abstract: Systems and methods provide active control of rotor cooling. In a number of embodiments, a system includes a controller coupled with an electric machine having a rotor. The controller evaluates parameters related to the electric machine for flow rate requirements of the rotor, where the flow rate requirements relate to cooling of the rotor. A flow rate of a fluid for cooling the rotor is computed, where the flow rate is based on a composite of the flow rate requirements. A control valve signal is delivered to set a control valve to supply the flow rate to the rotor based on the parameters.Type: GrantFiled: September 9, 2022Date of Patent: March 4, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jared Lee, Robert Seungmo Lee, Jeffrey R Kelly, Addison T Solak
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Patent number: 12243295Abstract: A system comprises a computer including a processor and a memory. The memory includes instructions such that the processor is programmed to: receive intermediate concept constraints at a neural network and train the neural network with training data, training labels, and the at least one of the data constraint, the feature constraint, or the intermediate concept constraint.Type: GrantFiled: March 31, 2022Date of Patent: March 4, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Wei Tong, Jacob Alan Bond, Siddhartha Gupta
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Patent number: 12244162Abstract: A battery system includes: at least two battery modules, where each of the at least two battery modules includes three strings of battery cells; and a switch control module configured to: determine state of charges (SOCs) of the strings of battery cells, respectively; determine, using model predictive control based on the SOCs, periods of phases, respectively; determine, using model predictive control based on the SOCs, periods for the strings, respectively, to be connected to a second positive terminal and a negative terminal during the phases, the determination of the periods for the strings including: setting the period for one of the strings of one of the battery modules to end before the end of a phase; and setting the periods for the other two strings of the one of the battery modules to end at the end of the phase.Type: GrantFiled: January 14, 2022Date of Patent: March 4, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jun-mo Kang, Charles W. Wampler, II, Dave G. Rich
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Patent number: 12240100Abstract: A compliant end effector includes a robot mounting bracket and a component support member. The component support member includes a side surface and a top surface. A component clamping system includes a first clamp member operable to move toward the side surface of the component support member and a second clamp member operable to move toward the top surface of the component support member. A controller is operatively connected to the clamping system. The controller is configured to engage the first and second clamp members as the component gripping and manipulating system is in a set position and release the first clamp member and the second clamp member allowing a portion of a component held by the component clamping system to move with one or more degrees of freedom when the component gripping and manipulating system is moving to the set position.Type: GrantFiled: December 14, 2021Date of Patent: March 4, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Miguel Arturo Saez, John Patrick Spicer, Muhammad E. Abdallah, James W. Wells, Tom Malburg
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Patent number: 12241943Abstract: A vehicle, system and method of detecting an internal short in a battery pack of the vehicle. The system includes a plurality of sensors and a processor. The plurality of sensors obtains states of charge at battery cells of the battery pack. The processor discharges the battery pack to identify a first set of the battery cells based on the states of charge of the battery cells, charges the battery pack to identify a second set of the battery cells based on the states of charge of the battery cells, and generates an alarm when an intersection of the first set and the second set is non-empty.Type: GrantFiled: July 14, 2021Date of Patent: March 4, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Taeyoung Han, Jun-mo Kang
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Patent number: 12245115Abstract: In exemplary embodiments, methods and systems are provided for downloading of geographic information. In accordance with an exemplary embodiment, a method is provided that includes the following steps: identifying, via a processor using map data, a plurality of geographic areas in which a vehicle is to travel along a selected route to a destination; identifying, via the processor using the map data, a plurality of map tiles corresponding to the plurality of geographic areas, such that each of the plurality of map tiles corresponds to a different one of the plurality of geographic areas; obtaining data access information for each of the plurality of geographic areas; and determining, via the processor, a prioritized sequence for downloading the plurality of map tiles, based on the data access information for the plurality of geographic areas.Type: GrantFiled: June 8, 2022Date of Patent: March 4, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Gabriel Tayoung Choi, Anthony W Cullen, Morgan Douglas Dykshorn, Nolan Foster, Matthew Robert Wallace
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Patent number: 12240492Abstract: Methods and systems of controlling a vehicle. The methods and systems include switching to a second processor executed mode in response to determining that a range of perception information extends to a range end point that is closer to the vehicle than a first Look Ahead (LA) point. In the second processor executed mode: a motion planner requests a lateral controller to provide a closer LA point relative to the vehicle. The lateral controller determines the closer LA point and sends the closer LA point to the motion planner. The lateral controller generates control commands for an EPS system based on an error between a desired trajectory and an actual trajectory at the closer LA point. The motion planner generates the desired trajectory based on perception data and the closer LA point.Type: GrantFiled: December 8, 2022Date of Patent: March 4, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Tetyana V Mamchuk, Paul A Adam, Reza Zarringhalam, Zhi Li
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Patent number: 12240474Abstract: A vehicle system is provided for correcting in real-time a camera-based estimated position of a road object. The system includes a camera for generating an image input signal including image sensor data associated with the road object. The system further includes one or more input devices for generating a vehicle input signal including vehicle sensor data associated with a position, a speed, and a heading of the vehicle. The system further includes a computer, which includes one or more processors and a non-transitory computer readable medium (CRM) storing instructions. The processor is programmed to match the image sensor data and the vehicle sensor data to one another based on a common time of collection. The processor is further programmed to determine an error model and a deviation of a current camera-based position from a predicted position. The processor is further programmed to update the error model based on the deviation.Type: GrantFiled: December 5, 2022Date of Patent: March 4, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Vivek Vijaya Kumar, Bo Yu, Donald K. Grimm, Fan Bai, Joon Hwang, Carl P. Darukhanavala, Carolyn Heather MacLeod, Muhammad Rehan
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Patent number: 12244178Abstract: An axial flux electric motor includes a housing including an inner surface and a stator fixedly mounted in the housing. The stator includes a plurality of stator segments each supporting a winding, an inner support member defining a central passage, and an outer annular member constraining the plurality of stator segments. The outer annular member includes an outer surface portion abutting the inner surface of the housing. A thermal connection system is disposed between the outer surface portion of the outer annular member and the inner surface. The thermal connection system transfers heat from the stator into the housing.Type: GrantFiled: July 26, 2022Date of Patent: March 4, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: John S. Agapiou, Jian Yao, Zhen Gao, SeungHwan Keum
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Patent number: 12240480Abstract: Methods and systems are provided for providing guidance when reversing a vehicle towing a trailer. In one embodiment, a method includes: A method for providing guidance when reversing a vehicle towing a trailer, comprising: receiving, from a camera of the trailer, image data associated with an environment of the vehicle; determining, by a processor, that the camera of the trailer is at least one of partially and fully underwater; in response to the determining, determining, by the processor, at least one of underwater image data and underwater guideline data based on a correction factor associated with the water and the image data; and generating, by the processor, display data based on the at least one of underwater image data and underwater guidelines data.Type: GrantFiled: June 21, 2023Date of Patent: March 4, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Steffen P. Lindenthal, Michael D. Alarcon, Akram M. Abdel-Rahman, Norman J. Weigert
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Patent number: 12244177Abstract: An axial flux electric machine includes a casing, stator cores, windings, and fins. The casing has a hollow cylindrical shape with an inner radial surface and an outer radial surface. The stator cores are spaced circumferentially along the inner radial surface of the casing. The windings are wrapped around the stator cores. The fins project from the inner radial surface of the casing to spaces between the windings.Type: GrantFiled: May 16, 2022Date of Patent: March 4, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: SeungHwan Keum, Jian Yao, Yusheng Zou
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Patent number: 12241431Abstract: An engine block for a vehicle includes a bore surface defining a cylinder bore. The bore surface exhibits a first microstructure and includes a pattern of a plurality of cycloidal features formed in the bore surface. The plurality of cycloidal features each exhibit a first length in a first axis and a second length in a second axis arranged 90 degrees from the first axis. The plurality of cycloidal features also exhibit a ratio of the first length to the second length in a range of 1:1.5 to 1.5:1. The plurality of cycloidal features further exhibit a second microstructure including tempered martensite, wherein the second microstructure is different from the first microstructure. The engine block is included in a vehicle. The cycloidal features are formed with a laser.Type: GrantFiled: February 26, 2024Date of Patent: March 4, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Yi Liu, Qigui Wang, Richard L. Metcalf, Angela Zsidi Alksninis, Devin R. Hess, Purushotham Kunduru, Cherng-chi Chang
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Patent number: 12240416Abstract: A vehicle seat includes a seat base and a seat back connected to the seat base. The seat back includes a first side bolster including a first lateral surface and a second side bolster having a second lateral surface. An item restraint system including a selectively deployable restraint element is mounted adjacent to the first lateral surface and a selectively positionable hook is mounted to the second lateral surface.Type: GrantFiled: October 26, 2022Date of Patent: March 4, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: James Theodore Dorris
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Publication number: 20250065454Abstract: A tool for attaching a first workpiece and a second workpiece to one another and to a support structure includes a housing and a plunger. The housing includes a main body, a neck portion, and a shoulder portion. The shoulder portion is disposed between the main body and the neck portion and has an outer diameter that is greater than an outer diameter of the main body. A bore extends from a first end within the main body to a distal end of the neck portion. The plunger is disposed within the bore and extends from the distal end of the neck portion. The plunger is biased in a first direction away from the shoulder portion and includes a gripper operable to extend away from an outer surface of the plunger in an expanded state to engage an inner surface of the first workpiece.Type: ApplicationFiled: August 22, 2023Publication date: February 27, 2025Applicant: GM Global Technology Operations LLCInventor: Chester Fillhard
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Patent number: D1064952Type: GrantFiled: September 20, 2023Date of Patent: March 4, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Daniel C. Gifford, Chad T. Pancurak
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Patent number: D1064953Type: GrantFiled: September 20, 2023Date of Patent: March 4, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Daniel C. Gifford, Chad T. Pancurak