Patents Assigned to GM
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Publication number: 20240043005Abstract: Methods and systems for vehicles are provided for trailer steering assistance. The system includes a computer system onboard the vehicle and configured to, by a processor: monitor a front steering angle of the vehicle and a hitch angle of the vehicle as the vehicle and the vehicle trailer move in the reverse direction, dynamically adjust a rear steering angle of the vehicle as the vehicle and the trailer move in the reverse direction based on the front steering angle and the hitch angle to match the rear steering angle to the front steering angle while the hitch angle less than a predetermined hitch angle, and dynamically adjust the rear steering angle of the vehicle as the vehicle and the trailer move in the reverse direction based on the front steering angle and the hitch angle to maintain the hitch angle at the predetermined hitch angle.Type: ApplicationFiled: August 3, 2022Publication date: February 8, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Avesta Goodarzi
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Publication number: 20240042966Abstract: Examples of the present disclosure provide an apparatus comprising: a wiper assembly and a sensor assembly. The wiper assembly may include: a linkage assembly; a wiper blade removably attached to the linkage assembly; and a actuator coupled to the linkage assembly and configured to enable rotation of the linkage assembly around a shaft. The sensor assembly may include: a plurality of optical sensors arranged along a linear axis; and a window between the plurality of optical sensors and the wiper assembly. The wiper blade is longitudinally oriented parallel to the linear axis, and the wiper blade is configured to translate in a direction perpendicular to the linear axis while maintaining contact with the window during translation.Type: ApplicationFiled: August 5, 2022Publication date: February 8, 2024Applicant: GM Cruise Holdings LLCInventor: Nathaniel Herse
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Publication number: 20240047821Abstract: A method for manufacturing an interfacial lithium fluoride layer for an electrochemical cell that cycles lithium ions is disclosed. In the method, a substrate is positioned in a reaction chamber of an atomic layer deposition reactor and a lithium fluoride (LiF) precursor is introduced into the reaction chamber such that the LiF precursor contacts and chemically reacts with functional groups on the substrate. Then, an oxidant is introduced into the reaction chamber to form a single molecular layer of lithium fluoride on the substrate. The lithium fluoride layer is formed on the substrate at a temperature of greater than or equal to about 110 degrees Celsius to less than or equal to about 250 degrees Celsius.Type: ApplicationFiled: August 3, 2022Publication date: February 8, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Biqiong WANG, Meinan HE, Mei CAI, Andrew J. GALANT, William OSAD
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Publication number: 20240042496Abstract: Systems and methods are provided for cleaning surfaces of a workpiece. The system includes a housing defining an enclosure, a holding structure within the enclosure that is configured to support a workpiece, a first powder removal device that is configured to propel a first media toward the holding structure such that the first media contacts the workpiece while the workpiece is supported by the holding structure, a first sensing device that is configured to detect surface characteristics of the workpiece while the workpiece is supported by the holding structure, and a controller configured to, by a processor: detect a powder material on a surface of the workpiece based on the surface characteristics, and selectively operate the first powder removal device to remove the powder material from the surface with the first media while the workpiece is supported by the holding structure.Type: ApplicationFiled: August 3, 2022Publication date: February 8, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Stanley Tong, Jeffrey B Harris, Brennon L White, Adam John Campbell, Andrew Thomas Cunningham, Ali Shabbir
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Publication number: 20240046428Abstract: Systems and methods enhanced image processing with dynamic pixel density restoration and clarity retrieval for scaled imagery including a camera configured to capture an image having a first resolution and a first image clarity, an image processor for receiving the image, scaling the image to a second resolution to generate a scaled image resulting in the scaled image having a second image clarity, the image processor being further operative to adjust a sharpness of the scaled image to generate an adjusted scaled image such that the adjusted scaled image has the first image clarity, a driving assistance processor for generating a motion path in response to the adjusted scaled image, and a vehicle controller for controlling a vehicle in response to the motion path.Type: ApplicationFiled: August 3, 2022Publication date: February 8, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Sai Vishnu Aluru, Sravan Daruri
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Publication number: 20240047673Abstract: The present disclosure provides an electrochemical cell that cycles lithium ions. The electrochemical cell includes a first electrode including a first electroactive material, a second electrode including a second electroactive material, and a separating layer disposed therebetween. The second electroactive material include a plurality of electroactive material particles, where at least a portion of the electroactive material particles have a surface coating that includes a nitrate salt. The first electroactive material can include a lithium metal, and the electrochemical cell can further include a carbonate-based solvent.Type: ApplicationFiled: August 3, 2022Publication date: February 8, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Yifan ZHAO, Xingcheng XIAO
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Publication number: 20240044838Abstract: A system for assessing a characteristic of a reference electrode assembly for an electrochemical cell that cycle lithium ions includes a controller and a test cell assembly. The test cell assembly includes a metal case electrically coupled to the controller and a test cell disposed within the metal case. The test cell includes a lithium metal layer and a separator assembly. The separator assembly includes a separator layer, a current collector layer deposited on the separator layer, and optionally an electroactive layer deposited on the separator layer such that the electroactive layer at least partially overlaps the current collector layer. The current collector layer is in direct physical contact with an electroactive layer and is electrically isolated from the lithium metal layer by the separator layer.Type: ApplicationFiled: August 3, 2022Publication date: February 8, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Biqiong WANG, Insun YOON, Fang DAI, Mark W. Verbrugge
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Patent number: 11893086Abstract: A system for analyzing images includes a processing device includes a receiving module configured to receive an image, and an analysis module configured to apply the received image to a machine learning network and classify one or more features in the received image, the machine learning network configured to propagate image data through a plurality of convolutional layers, each convolutional layer of the plurality of convolutional layers including a plurality of filter channels, the machine learning network including a bottleneck layer configured to recognize an image feature based on a shape of an image component, The system also includes an output module configured to output characterization data that includes a classification of the one or more features.Type: GrantFiled: March 10, 2021Date of Patent: February 6, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Dan Levi, Noa Garnett, Roy Uziel
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Patent number: 11890668Abstract: Systems and methods of making a cast steel alloy crankshaft for an internal combustion engine are provided. The method comprises providing a mold of the crankshaft. The mold has cavities to form the crankshaft. The method further comprises melting a first metallic material at between 1400 degrees Celsius (° C.) and 1600° C. to define a molten metallic material. In addition, the method further comprises feeding the molten metallic material at a riser connection angle of between 30° and 75° in the cavities of the negative sand cast mold. The method further comprises cooling the molten metallic material at a solidification time of between 5 seconds (sec) and 20 sec in the negative sand cast mold with at least one chill member to define a solidified metallic material having dimensions of the cast steel alloy crankshaft. Furthermore, the method comprises separating the solidified metallic material from the negative sand cast mold to define the cast steel alloy crankshaft.Type: GrantFiled: June 14, 2022Date of Patent: February 6, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Liang Wang, Qigui Wang, Jianghuai Yang, Kiran Mistry, Oliver Patrick Jordan
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Patent number: 11893882Abstract: A system is provided for mitigating a road network congestion. The system includes a plurality of motor vehicles positioned in associated locations in a road network. Each vehicle has one or more sensors generating an input and a Telematics Control Unit (TCU) for generating at least one location signal for a location of the associated motor vehicle and at least one event signal for an event related to the associated motor vehicle, with the location signal and the event signal corresponding to a High Speed Vehicle Telemetry Data (HSVT data) based on the input from the sensors. The system further includes a computer, which communicates with a display device and the TCUs. The computer includes a processor and a computer readable medium including instructions, such that the processor is programmed to identify the congestion and determine that the congestion is a recurring or a non-recurring congestion.Type: GrantFiled: January 21, 2022Date of Patent: February 6, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Fan Bai, Donald K. Grimm, Paul E. Krajewski, Jiang-Ling Du, Mason David Gemar
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Patent number: 11892574Abstract: Systems and method are provided for controlling a vehicle. In one embodiment, a method includes: receiving, by a controller onboard the vehicle, lidar data from the lidar device; receiving, by the controller, image data from the camera device; computing, by the controller, an edge map based on the lidar data; computing, by the controller, an inverse distance transformation (IDT) edge map based on the image data; aligning, by the controller, points of the IDT edge map with points of the lidar edge map to determine extrinsic parameters; storing, by the controller, extrinsic parameters as calibrations in a data storage device; and controlling, by the controller, the vehicle based on the stored calibrations.Type: GrantFiled: July 31, 2020Date of Patent: February 6, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Yousef A. Omar, Hao Yu, Wende Zhang
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Patent number: 11890958Abstract: A system in a vehicle includes a first winding section including first two or more windings and a second winding section including second two or more windings. Each of the second two or more windings corresponds to one of the first two or more windings of the first winding section. The system also includes an inverter including a high side switch and a low side switch corresponding to each of the first two or more windings. The inverter is coupled to a battery of the vehicle and boosts a voltage of a direct current (DC) charger during charging of the battery with the DC charger, converts alternating current (AC) from an AC grid to DC during charging of the battery with the AC grid, and converts DC to AC during supply of the AC grid by the battery.Type: GrantFiled: May 10, 2022Date of Patent: February 6, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Rashmi Prasad, Chandra S. Namuduri, Lei Hao, Suresh Gopalakrishnan
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Patent number: 11891073Abstract: A control system for a vehicle using a forward-facing camera includes a look ahead module configured to determine a distance to a look ahead point. A lane center module determines a location of a lane center line. A vehicle center line module determines a location of a vehicle center line. A first lateral offset module determines a first lateral offset based on the look ahead point and the determined lane center line. A second lateral offset module determines a second lateral offset based on the determined lane center line and the vehicle center line. A yaw angle offset calculating module receives the first lateral offset, the second lateral offset and the distance to the look ahead point, calculates a yaw angle offset, and compensates a yaw angle error based on the yaw angle offset.Type: GrantFiled: October 25, 2019Date of Patent: February 6, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Gabriel T. Choi, Paul A. Adam, Jeffrey S. Parks, Lance A. Smith
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Patent number: 11890954Abstract: A multi-function onboard charging module (OBCM) operable for charging a battery pack using a wide variety of offboard charging systems, such as to enable the OBCM to charge a battery pack using electrical power provided from different types of direct current (DC), single-phase alternating current (AC), and/or three-phase AC offboard charging systems.Type: GrantFiled: September 21, 2022Date of Patent: February 6, 2024Assignee: GM Global Technology Operations LLCInventors: Minh-Khai Nguyen, Sanjeev M. Naik
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Patent number: 11894598Abstract: An optically transparent coplanar microwave slot antenna is provided including a conductive mesh and a feedline connectively coupled to the conductive mesh wherein the conductive mesh includes a plurality of Christmas tree shaped slots arranged in a dipole configuration wherein each of the plurality of Christmas tree shaped slots is formed from a triangular slot, a trapezoidal slot and a rectangular slot.Type: GrantFiled: May 11, 2022Date of Patent: February 6, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Sara Kaffash, Farhad Sheikh Hosseini Lori, William Hsiahua Wang, Hongguang Sun
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Patent number: 11890997Abstract: An antimicrobial interior component for a vehicle includes an interior component body having a contoured surface. The interior component also includes an antimicrobial jacket assembly having a first piece and a second piece coupled together and disposed over the contoured surface. The antimicrobial jacket assembly defines at least one touch surface disposed over the contoured surface of the interior component body. The first piece and the second piece each includes an antimicrobial metal material configured to prevent or minimize microbes from accumulating on the at least one touch surface.Type: GrantFiled: March 22, 2021Date of Patent: February 6, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Adam F. Gross, Janet C. Robincheck, William Schumacher, Nancy L. Johnson
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Patent number: 11891038Abstract: A method for finding an optimum trailer gain, comprising: applying trailer brake pulses to a trailer while a vehicle is coasting using a trailer brake of a trailer, wherein the trailer is coupled to the vehicle; monitoring an average deceleration of the vehicle and the trailer brake gain of the trailer brake pulses applied to the trailer while the vehicle is coasting; generating a graph of the average deceleration of the vehicle versus the trailer brake gain, wherein the graph includes a curve that illustrates a relationship between the average deceleration of the vehicle and the trailer brake gain of the trailer brake pulses applied to the trailer while the vehicle is coasting; and finding a bend point of the curve in the graph to determine an optimum trailer brake gain.Type: GrantFiled: May 27, 2021Date of Patent: February 6, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Avesta Goodarzi, Hasan Alper Hepguvendik, Patrick G. DiGioacchino
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Patent number: 11892843Abstract: Technologies for steering sensors in a sensor carrier structure on an autonomous vehicle (AV) are described herein. In some examples, a sensor positioning platform on an AV can include an actuator system including a motor configured to move and reposition a sensor carrier structure having a plurality of sensors; a motor controller configured to receive instructions for controlling the motor to reposition the sensor carrier structure and, based on the instructions, send to the motor control signals configured to control the motor to reposition the sensor carrier structure; one or more hoses arranged within tubes mounted to a portion of the actuator system and configured to output sensor cleaning substances through a thru-bore on the actuator system; and one or more cleaning systems configured to receive the sensor cleaning substances and spray the sensor cleaning substances on one or more sensors on the sensor carrier structure.Type: GrantFiled: February 10, 2022Date of Patent: February 6, 2024Assignee: GM Cruise Holdings LLCInventors: Nathaniel Barrett Herse, Roger Lo
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Patent number: 11892308Abstract: A system for determining and presenting visual representations includes a receiving module configured to receive a set of coordinates representing one or more geographic locations of one or more features of interest, and an analysis module configured to define a region corresponding to the set of coordinates, the region having an extent based on a level of uncertainty associated with the one or more features of interest. The system also includes a visualization module configured to generate a visual representation of the defined region and present the visual representation on a map.Type: GrantFiled: July 28, 2021Date of Patent: February 6, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Joseph Jang, Evan Stoddart, Vladimir Novikov, Henry Warren Grasman, Sean Douglas Vermillion, Rahul Patel, Andrea Rochelle Wharry
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Patent number: 11890932Abstract: A transformable knob for a vehicle comprises an axle extending along an axis and a body mounted to the axle and rotatable about the axis. The body comprises a face plate and a periphery wall defining a cavity, and with the periphery wall arranged to flex relative to the axis. The transformable knob comprises a plurality of engagement arms disposed within the cavity and movable toward and away from the axis, with the plurality of engagement arms configured to selectively engage and flex the periphery wall between first and second configurations. The transformable knob comprises an actuator in engagement with the plurality of engagement arms and arranged to move between first and second positions, with movement of the actuator facilitating corresponding movement of the plurality of engagement arms to flex the periphery wall between the first and second configurations, respectively.Type: GrantFiled: November 3, 2021Date of Patent: February 6, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Joseph F. Szczerba, Ki Hyun Ahn