Patents Assigned to GLOBAL TECHNOLOGY OPERATIONS LLC
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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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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: 20240043041Abstract: Presented are intelligent vehicle systems and control logic for adaptive vehicle sensing and automation for occupants with health conditions, methods for making/using such systems, and vehicles equipped with such systems. A method of operating a vehicle includes a resident or remote vehicle controller determining an existing health condition of an occupant in the vehicle's passenger compartment. The controller then retrieves, e.g., from a resident or remote memory device, predefined sets of calibration settings and condition symptoms customized to this existing health condition. An in-vehicle network of sensing devices is calibrated using the predefined calibration settings to detect one or more of the predefined condition symptoms. The calibrated sensing devices monitor the occupant to detect a health-related event based on the predefined condition symptoms.Type: ApplicationFiled: August 4, 2022Publication date: February 8, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Duncan Lopatine, Russell A. Patenaude, Armando Mendoza
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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: 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: 20240047818Abstract: A multi-cell rechargeable energy storage system (RESS) includes a plurality of battery cells organized into battery modules and a first enclosure configured to house the battery modules. The RESS also includes a first vent arranged on the first enclosure and configured to direct air from inside the first enclosure to an environment external to the first enclosure. The RESS additionally includes a second vent arranged on the first enclosure and configured to direct air into the first enclosure from the environment external to the first enclosure. The RESS further includes a phase-change material (PCM) device arranged on the second vent and configured to melt in response to at least one of the battery modules experiencing a thermal runaway event. In combination with the first vent, the PCM generates crossflow ventilation through the first enclosure to cool the battery modules therein and mitigate thermal runaway.Type: ApplicationFiled: August 8, 2022Publication date: February 8, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Benjamin G. Wroblewski, Jordan Mullins, Brian Carrier
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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: 20240047654Abstract: An electroactive material for an electrochemical cell is provided. The electroactive material includes a plurality of lithium-rich, manganese-rich layered electroactive material particles, where at least a portion of the lithium-rich, manganese-rich layered electroactive material particles defining the plurality has a coating that includes an oxygen storage material. The coating that includes the oxygen storage material has an average thickness greater than or equal to about 100 nanometers to less than or equal to about 2 micrometers, and the oxygen storage material is selected from the group consisting of: La(1-x)SrxMnO3 (where 0?x?0.3), La(1-x)SrxFeO3 (where 0?x?0.3), La(1-x)CaxMnO3 (where 0?x?0.3), La(1-x)BaxMnO3 (where 0?x?0.3), LaMnO3, LaFeO3, LaMnO3, LaFeO3, CeO2, CeO2—MnOx (where 3?x?4), CeO2—FeOx (where 2?x?3), CeO2—WO3, CeO2—MoO6, and combinations thereof.Type: ApplicationFiled: August 8, 2022Publication date: February 8, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Gongshin QI, Lei WANG
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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: 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: 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: 11891082Abstract: A blind spot warning system is provided for a motor vehicle having a longitudinal axis and a steering shaft. The system includes a steering angle sensor (SAS), which is coupled to the steering shaft and generates a steering signal associated with a wheel angle in response to the steering shaft rotating. The system further includes a computer having one or more processors and a non-transitory computer readable storage medium storing instructions. The processor is programmed to determine a blind spot region extending from a sideview mirror of the motor vehicle and based on the wheel angle. The processor is further programmed to generate an actuation signal associated with the blind spot region. The system further includes one or more light projectors that project a light onto a roadway adjacent to the motor vehicle to indicate a current size and a current location of the blind spot region.Type: GrantFiled: September 30, 2021Date of Patent: February 6, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Zhiqiang Deng
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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: 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: 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: 11893801Abstract: A vehicle and a system and method of operating the vehicle based on a gesture made by a traffic director. The system includes a camera and at least one neural network. The camera obtains an image of a flag operator. The at least one neural network is to generates an encoded hand vector based on a configuration of a hand of the traffic director from the image, combines a skeleton of the traffic director generated from the image and the encoded hand vector to generate a representation vector, and predicts a gesture of the traffic director from the representation vector.Type: GrantFiled: April 6, 2021Date of Patent: February 6, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Eran Kishon, Weijing Shi, Ragunathan Rajkumar
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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: 11894588Abstract: A computer is provided for a fuel cell propulsion system of a motor vehicle. The computer includes one or more processors receiving a temperature signal from one or more temperature sensors and a pressure signal from one or more pressure sensors. The computer further includes a non-transitory computer readable storage medium including instructions, such that the processor is programmed to determine a feedback correction based on the temperature of the coolant and the pressure drop of the coolant across the fuel cell stack. The processor is further programmed to generate a pump command signal based on the feedback correction and a nominal pump command, with the pump command signal actuating a pump to pump coolant at a target pump speed.Type: GrantFiled: September 14, 2021Date of Patent: February 6, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Karthikeyan Rajagopal, Brian David Neilson, Sergio Eduardo Garcia, Christopher L Koppen
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Patent number: 11891017Abstract: An under hood storage system of a vehicle includes an under hood storage compartment located in an under hood area of a vehicle, and a hood assembly that, when in a closed position closes the under hood storage compartment. The hood assembly includes an under hood panel having a first portion formed from a first material, and a second portion surrounding the first portion defining an outer perimeter of the under hood panel. The second portion is formed from a second material softer than the first material. One or more attachment features secure the under hood panel to the hood assembly. The under hood panel interacts with the under hood storage compartment to close the under hood storage compartment.Type: GrantFiled: January 25, 2022Date of Patent: February 6, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Robert J. Kukla, Kyle C. Smith, Andre Hormiz