Patents Assigned to GLOBAL TECHNOLOGY OPERATIONS LLC
  • Patent number: 11973226
    Abstract: A hybrid electrochemical device including at least two electrically connected solid-state electrochemical cells is provided. Each electrochemical cell includes a first outer electrode having a first current collector and a first electroactive layer, a second outer electrode having a second current collector and a second electroactive layer, and one or more intervening electrodes disposed between the electroactive layers. At least one of the intervening electrodes includes one or more capacitor additives. The first outer electrode is electrically connected to at least one of the intervening electrodes in a first electrical configuration. The second outer electrode is electrically connected to at least one of the intervening electrodes in a second electrical configuration. The at least two electrochemical cells are electrically connected in a third electrical configuration.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: April 30, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Mengyan Hou, Haijing Liu, Qili Su, Xiaochao Que
  • Patent number: 11973200
    Abstract: A reference electrode assembly for an electrochemical cell of a secondary lithium ion battery and methods of manufacturing the same. The reference electrode assembly includes a porous membrane having a major surface and a porous reference structure deposited on the major surface of the porous membrane. The porous reference structure includes a porous carbon layer and a porous reference electrode layer that at least partially overlaps the porous carbon layer on the major surface of the porous membrane.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: April 30, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Gayatri V. Dadheech, Mark W. Verbrugge, Alok Warey, Brian J. Koch, Jing Gao
  • Patent number: 11970154
    Abstract: A control system for a vehicle includes wheel slip control loop including a wheel slip controller configured to control wheel slip based on wheel speed measured at one or more wheels of the vehicle. A wheel flare control loop includes a wheel flare controller configured to control wheel flare based on transmission output speed at an output of a transmission of the vehicle. A controller is configured to select one of the wheel slip controller to control the wheel slip and the wheel flare controller to control the wheel flare during operation of the vehicle.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: April 30, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Jie Yang, Robert L. Morris, Shaochun Ye, Vino Mathew
  • Patent number: 11970063
    Abstract: Examples described herein provide a computer-implemented method that includes calculating, by a processing device, a motor acceleration error based at least in part on a motor torque and a motor speed. The method further includes calculating, by the processing device, a regression fit line based at least in part on the motor acceleration error. The method further includes identifying, by the processing device, a zero point using the regression fit line. The method further includes comparing, by the processing device, the zero point to a datum reference to determine a difference. The method further includes integrating, by the processing device, the difference to determine the lash angle. The method further includes controlling, by the processing device, the motor based at least in part on the lash angle.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: April 30, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Noah Jon Lovins-Wilusz, Robert L. Morris
  • Patent number: 11970227
    Abstract: Methods, systems and a vehicle control system for a vehicle is provided. The vehicle control system includes an Electric Power Steering System (EPS), and a sensor system including a vehicle dynamics sensor configured to provide vehicle dynamics data and a temperature sensor configured to provide measured outside temperature. A processor is in operable communication with the EPS and the sensor system. The processor is configured to execute program instructions. The program instructions are configured to cause the processor to: execute an automated lateral control algorithm based on the vehicle dynamics data to generate a steering command, adapt the automated lateral control algorithm based on the measured outside temperature so that the steering command compensates for changing lateral response of the vehicle as a result of changing environmental temperature; and provide the steering command to the EPS, wherein the EPS is configured to laterally control the vehicle based on the steering command.
    Type: Grant
    Filed: June 17, 2022
    Date of Patent: April 30, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Reza Zarringhalam, Jimmy Lu, Brian Porto, Ethan Thomas Dietrich
  • Patent number: 11971079
    Abstract: A dual deflection ring system includes a pair of components that rotate relative to one another about an axis of rotation. One or more deflection rings are disposed between the components. The deflection ring(s) include two sets of pockets configured to provide two levels of compressibility in-series between the components. The two sets of pockets project radially relative to the axis of rotation and are compressible between the components.
    Type: Grant
    Filed: July 11, 2022
    Date of Patent: April 30, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Sen Jiang Zhou, John Miller, Craig David Reynolds
  • Patent number: 11971544
    Abstract: A hybrid augmented reality head-up display system for displaying graphics upon a windscreen of a vehicle includes a windscreen having a transparent substrate including light emitting particles dispersed within, a primary graphic projection device for generating a first set of images upon the windscreen of the vehicle based on visible light, and a secondary graphic projection device for generating a second set of images upon a secondary area the windscreen of the vehicle based on an excitation light. The first set of images are displayed upon a primary area of the windscreen. The light emitting particles in the windscreen emit visible light in response to absorbing the excitation light. The first set of images displayed upon the primary area of the windscreen cooperate with the second set of images displayed upon the secondary area of the windscreen to create an edge-to-edge augmented reality view.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: April 30, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Thomas A. Seder, Kai-Han Chang, Joseph F. Szczerba, John P. Weiss
  • Patent number: 11970072
    Abstract: An example of a vehicle electrical system includes a rechargeable energy storage system (RESS) having a first voltage and a power inverter electrically connected to the RESS. The system further includes an electric motor having a plurality of machine windings with each of the machine windings including a polyphase terminal electrically connected to the power inverter. The electric motor further includes a neutral terminal separate from the polyphase terminals. The system further includes an accessory load electrically connected to the power inverter and the neutral terminal of the electric motor, with the accessory load requiring a second voltage that is below the first voltage. A current flows through the machine windings to step down the first voltage to the second voltage. The power inverter is configured to cycle between first and second operational states, such that the power inverter steps down the first voltage to the second voltage.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: April 30, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Rashmi Prasad, Chandra S. Namuduri
  • Patent number: 11970078
    Abstract: A system in a vehicle includes memory to store values obtained for a battery that supplies current to one or more loads. The values include battery state of charge. A processor obtains a measured battery current from a battery current sensor and a measured total current from a current sensor at a battery center that supplies the current directly to the one or more loads, obtain a generator current or a direct current-to-direct current (DC-DC) converter current from the measured total current and the battery current, determine a maximum available current as a sum of a maximum available battery current and either the generator current or the DC-DC converter current, and stop a supply of the current to one or more of the one or more loads based on a result of a comparison of the maximum available current with current draw by the one or more loads.
    Type: Grant
    Filed: September 2, 2022
    Date of Patent: April 30, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Chandra S. Namuduri, Suresh Gopalakrishnan, Lyall Kenneth Winger
  • Patent number: 11971455
    Abstract: A mixed chemistry battery is provided. The mixed chemistry battery includes a reference module having a first chemistry and a battery module having a second chemistry that is different that the first chemistry, the battery module is connected to the reference module in series. The mixed chemistry battery also includes a battery monitoring system configured to monitor an open circuit voltage of the reference module, an open circuit voltage of the battery module, and a current flow through the reference module and the battery module. The battery monitoring system is further configured to calculate a state-of-charge (SOC) and state-of-health (SOH) of the battery module based at least in part on a SOC of the reference module.
    Type: Grant
    Filed: July 6, 2022
    Date of Patent: April 30, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Chengwu Duan, Jian Yao, Dewen Kong, Jingyuan Liu
  • Publication number: 20240135756
    Abstract: Systems and methods are provided for vehicular computation management. The system includes, onboard a vehicle, electric control units (ECUs), a battery, a communication system, and a controller. The controller is configured to monitor energy consumption, operate the vehicle as a computational hub when the energy consumption is less than a threshold, including providing computational resources to an external node, determine whether the vehicle has excess energy and computational capacity when the energy consumption is equal to or greater than the threshold, including determining a usage of each of the ECUs and determining an energy consumption of tasks executing thereon, and operate the vehicle as a hybrid computational hub when the vehicle has excess energy and computational capacity, including providing excess computational capacity of the ECUs to the external node.
    Type: Application
    Filed: October 23, 2022
    Publication date: April 25, 2024
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Venkata Naga Siva Vikas Vemuri, Chandra S Namuduri, Andrew J. MacDonald, Omer Tsimhoni, Ashhad Mohammed
  • Publication number: 20240132056
    Abstract: Methods and systems are provided for controlling alignment of a vehicle during parking that include obtaining sensor data via one or more sensors of a vehicle, as to passenger occupancy of the vehicle and as to a parking location for the vehicle; identifying, via a processor of the vehicle, which passenger seats of the vehicle are occupied, based on the sensor data; identifying, via the processor, the parking location based on the sensor data; and determining, via the processor, an offset for parking of the vehicle in the parking location, based at least in part on which passenger seats of the vehicle are occupied.
    Type: Application
    Filed: October 18, 2022
    Publication date: April 25, 2024
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Patrick Giancarlo Gabriel DiGioacchino, Utkarsh Saini, Fred W. Huntzicker
  • Publication number: 20240136507
    Abstract: An electroactive material for an electrochemical cell that cycles lithium ions is provided. The electroactive material includes a plurality of atomic layers and a plurality of cations disposed between the atomic layers. The plurality of atomic layers includes an atom selected from the group consisting of: silicon, germanium, boron, and combinations thereof. The plurality of cations is selected from the group consisting of: calcium, magnesium, zinc, copper, nickel, potassium, sodium, and combinations thereof. A ratio of the cations to atoms that define the atomic layer may be less than about 1:2.
    Type: Application
    Filed: October 20, 2022
    Publication date: April 25, 2024
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Jeffrey David CAIN, Nicholas Paul William PIECZONKA, Anil K. Sachdev
  • Publication number: 20240136612
    Abstract: An apparatus including a battery cell includes an electrode stack. The electrode stack includes an anode electrode, a cathode electrode, and a separator disposed between the anode electrode and the cathode electrode. The apparatus further includes an enclosure configured for encasing and mechanically protecting the electrode stack. The apparatus further includes an electrolyte. The apparatus further includes a thermally conductive and electrically insulated inert fill material located between the electrode stack and the enclosure configured for providing a thermally conductive connection between the electrode stack and the enclosure.
    Type: Application
    Filed: October 19, 2022
    Publication date: April 25, 2024
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Liang Xi, Andrew P. Oury, Li Yang, SriLakshmi Katar
  • Publication number: 20240135819
    Abstract: An object detection and predictive motion warning system for a vehicle. The system may include a plurality of weight sensors configured to generate weight values in response to pressure being applied thereto and an object detection and predictive motion controller configured to detect an object within the vehicle and to predict a motion assessment for the object as function thereof.
    Type: Application
    Filed: October 19, 2022
    Publication date: April 25, 2024
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Umer Khalid, Russell A. Patenaude
  • Patent number: D1024864
    Type: Grant
    Filed: August 23, 2022
    Date of Patent: April 30, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventor: Leilei Jiao
  • Patent number: D1024885
    Type: Grant
    Filed: May 10, 2022
    Date of Patent: April 30, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventor: Robert F. Hunwick
  • Patent number: D1024889
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: April 30, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventor: Ramesh R. Gound
  • Patent number: D1024893
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: April 30, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventor: Adam K. Scenna
  • Patent number: D1025417
    Type: Grant
    Filed: January 11, 2023
    Date of Patent: April 30, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventor: Minjae Shin