Patents Assigned to GM
  • Patent number: 12084075
    Abstract: In accordance with an exemplary embodiment, methods and systems are provided for controlling steering of an autonomous vehicle. The method includes: operating, by a processor, the autonomous vehicle in a semi-automated mode; receiving, by the processor, driver input including a measured driver torque; receiving, by the processor, threat data; determining, by the processor, a steering command bias based on an impedance relation, impedance parameters, the measured driver torque, and the threat data; determining, by the processor, a reference angle based on the steering command bias and a desired angle; and generating, by the processor, control data to control the steering of the autonomous vehicle based on the reference angle.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: September 10, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Jimmy Lu, Reza Zarringhalam, Kin Man Michael Wong, Jackson Barry McGrory, Mehdi Abroshan, Puneet Bagga, Zhi Li
  • Patent number: 12088146
    Abstract: Rotor for electric machines and methods for fabricating rotors for electric machines are provided. An exemplary method includes assembling a stack of laminations to form a rotor core having an external surface. The rotor core defines one to five layers of internal cavities and an interior permanent magnet is positioned in a selected internal cavity. The method also includes locating a non-magnetic structural element in the selected internal cavity. Further, the method includes applying a compressive force on the external surface of the rotor core with an annular sleeve.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: September 10, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Alireza Fatemi, Anthony M Coppola, Derek F Lahr, Alan G Holmes
  • Patent number: 12086996
    Abstract: A vehicle control system including a spatial monitoring system includes on-vehicle cameras that capture images, from which are recovered a plurality of three-dimensional points. A left ground plane normal vector is determined for a left image, a center ground plane normal vector is determined for a front image, and a right ground plane normal vector is determined for a right image. A first angle difference between the left ground plane normal vector and the center ground plane normal vector is determined, and a second angle difference between the right ground plane normal vector and the center ground plane normal vector is determined. An uneven ground surface is determined based upon one of the first angle difference or the second angle difference, and an alignment compensation factor for the left camera or the right camera is determined. A bird's eye view image is determined based upon the alignment compensation factor.
    Type: Grant
    Filed: January 3, 2022
    Date of Patent: September 10, 2024
    Assignee: GM Global Technology Operations LLC
    Inventors: Xinyu Du, Yao Hu, Binbin Li, Hao Yu, Wende Zhang
  • Patent number: 12083932
    Abstract: A method of assisting deceleration during a stop of a motor vehicle having a drivetrain including a traction motor, a road wheel operatively connected to the drivetrain, a friction brake configured to decelerate the road wheel, and an electronic controller includes detecting, via the electronic controller, a request to stop the vehicle. The method also includes commanding the traction motor to provide regenerative braking in response to the request to stop the vehicle. The method additionally includes determining a current vehicle operating state. The method also includes determining an amount of brake drag torque to be generated by the friction brake based on the current vehicle operating state. The method further includes commanding an application of the determined amount of the brake drag torque in parallel with the regenerative braking, thereby operating the friction brake as a mechanical drivetrain damper while assisting the regenerative braking to stop the motor vehicle.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: September 10, 2024
    Assignee: GM Global Technology Operations LLC
    Inventors: James Hingst, Jacob M. Knueven, Felicia Powers
  • Patent number: 12084064
    Abstract: A universal machine learning based system for estimating a vehicle state of a vehicle includes one or more controllers executing instructions to receive a plurality of dynamic variables and corresponding historical data. The controllers execute a sensitivity analysis algorithm to determine a sensitivity level for each dynamic variable and corresponding historical data and select two or more pertinent dynamic variables based on the sensitivity level of each dynamic variable and the corresponding historical data. The controllers standardize the two or more pertinent dynamic variables into a plurality of generic dynamic variables, wherein the plurality of generic dynamic variables are in a standardized format that is applicable to any configuration of vehicle, and estimate the vehicle state based on the plurality of generic dynamic variables by one or more machine learning algorithms.
    Type: Grant
    Filed: September 20, 2022
    Date of Patent: September 10, 2024
    Assignees: GM GLOBAL TECNOLOGY OPERATIONS LLC, UNIVERSITY OF WATERLOO
    Inventors: Amir Khajepour, Amin Habibnejad Korayem, Ehsan Hashemi, Qingrong Zhao, SeyedAlireza Kasaiezadeh Mahabadi, Yechen Qin
  • Patent number: 12087163
    Abstract: The present disclosure is directed to collecting and processing data from computing devices of a plurality of autonomous vehicles (AVs). The data received from each of these AV computing devices may include raw sensor data or data that has been generated using data received by one or more sensors at respective AVs. Once this data is collected and associated with discrete locations and times, the data may be evaluated and used to generate mappings of various sorts. These mappings may include mappings of underground features generated based on an evaluations of vibration data. Alternatively, or additionally, these mapping may include mappings of landscape features, atmospheric features, or the locations of aircraft from data associated with certain types of sensing apparatus, for example radar apparatus or light detecting and ranging (LiDAR) apparatus.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: September 10, 2024
    Assignee: GM Cruise Holdings LLC
    Inventor: Siyuan Lu
  • Patent number: 12084052
    Abstract: A system and method of predicting a target vehicle entry into a side blind zone of an ADAS equipped vehicle and displaying a real-time alert to inform an operator or occupant of the ADAS equipped vehicle of the predicted target vehicle entry into the side blind zone. The system includes exterior sensors, interior sensors, an augmented reality rearview mirror, and a module. The module is configured to detect an object behind the ADAS equipped vehicle, predict a path of the object, determine a probability that the predicted path of the object will enter a side blind zone of the vehicle, and determine an entry of the object into the side blind zone of the vehicle when the probability exceeds a predetermined threshold.
    Type: Grant
    Filed: April 6, 2022
    Date of Patent: September 10, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Dhruv Patel, Joseph F. Szczerba, Shiv G. Patel, Daniel S. Glaser
  • Patent number: 12083914
    Abstract: A management system for a multi-cell rechargeable energy storage system (RESS) is capable of wirelessly communicating with an unsecured third-party device. The management system includes a system controller that is in communication with cell monitoring units that are arranged to individually monitor the battery cells. Each cell monitoring unit includes a cell controller that is in communication with a sensor that is arranged to determine a parameter of a respective one of the battery cells of the RESS. Each of the cell controllers is configured to execute a secure wireless communication protocol, and is also configured to execute an open wireless communication protocol. The open wireless communication protocol is activated to enable non-proprietary wireless communication to a proximal third-party device in response to a trigger event.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: September 10, 2024
    Assignee: GM Global Technology Operations LLC
    Inventor: Charles A. Campbell
  • Patent number: 12086962
    Abstract: The subject disclosure relates to solutions for reducing or eliminating motion sickness experienced by a vehicle occupant/passenger. In some aspects, a process of the disclosed technology includes steps for collecting motion data associated with a vehicle using one or more environmental sensors, tracking eye movements of a user within a cabin of the vehicle, processing the motion data and the eye movements to identify a motion event, and generating a motion compensation signal based on the motion event. Systems and machine-readable media are also provided.
    Type: Grant
    Filed: June 7, 2023
    Date of Patent: September 10, 2024
    Assignee: GM Cruise Holdings LLC
    Inventors: Nestor Grace, Diego Plascencia-Vega, Dogan Gidon
  • Patent number: 12084084
    Abstract: The present disclosure provides a method comprising receiving a rideshare request from a user, the rideshare request including a destination; transporting the passenger to the destination using an autonomous vehicle (AV) having a plurality of windows comprising electrically switchable smart glass; during the transporting, monitoring a metric related to arrival of the AV at the destination; and untinting the windows when the monitored metric has a prescribed relationship to a threshold value.
    Type: Grant
    Filed: April 10, 2023
    Date of Patent: September 10, 2024
    Assignee: GM Cruise Holdings LLC
    Inventors: Kenneth Ferguson, Samuel Harrison Glidden, Maximilian Gerrit Euchenhofer, Jeffrey Brandon, Michael Frank Schmidt
  • Patent number: 12085399
    Abstract: A system for predicting energy consumption by a vehicle during a trip has a controller adapted to receive a route plan for the trip. The controller has a processor and tangible, non-transitory memory on which instructions are recorded. The system has a plurality of machine learning modules, including a behavior predictor, a driving consumption predictor and an auxiliary consumption predictor. The controller is adapted to predict a total energy consumed by the vehicle during the trip by executing the plurality of machine learning modules. The driving consumption predictor is adapted to predict a primary energy consumed for propelling the vehicle based in part on the route plan. The auxiliary consumption predictor is adapted to predict a secondary energy consumed by the vehicle for non-propulsion purposes. The behavior predictor is adapted to predict an average vehicle speed based at least partially on traffic conditions.
    Type: Grant
    Filed: February 1, 2022
    Date of Patent: September 10, 2024
    Assignee: GM Global Technology Operations LLC
    Inventors: Vladimir Suplin, Klaus Trangbaek, Daniel Urieli
  • Patent number: 12087190
    Abstract: A system for calibrating a waveguide-based holographic head-up display that projects images upon a windscreen of a vehicle including a light-diffusing panel positioned at the center of an eyellipse to reflect the images projected by the waveguide-based holographic head-up display. An eyebox of the waveguide-based holographic head-up display is positioned at the center of the eyellipse, and the eyebox is divided into a plurality of unit exit pupils. The system also includes a camera positioned to capture the images reflected by the light-diffusing panel and one or more controllers in electronic communication with the waveguide-based holographic head-up display and the camera. The one or more controllers execute instructions to determine a warp map based on a plurality of corrected individual calibration patterns.
    Type: Grant
    Filed: July 25, 2022
    Date of Patent: September 10, 2024
    Assignee: GM GLOBAL TEACHNOLOGY OPERATIONS LLC
    Inventors: Kai-Han Chang, Thomas A. Seder, Manoj Sharma
  • Patent number: 12085035
    Abstract: The concepts described herein relate to a system, method, and/or apparatus for monitoring a NOx sensor that is arranged in an exhaust gas feedstream of an internal combustion engine downstream of an exhaust aftertreatment system to detect a fault related to the NOx sensor. This includes utilizing a catalyst efficiency model to detect occurrence of a fault that may indicate an in-range biased or stuck NOx sensor.
    Type: Grant
    Filed: November 15, 2022
    Date of Patent: September 10, 2024
    Assignee: GM Global Technology Operations LLC
    Inventors: Erika L. Pruski, Janean E. Potter, Rafat F. Hattar
  • Patent number: 12084909
    Abstract: A slim double-skin structure according to one aspect of the present invention may comprise: a window frame, an outer window sash frame provided on an outdoor side and coupled to the window frame, an outer glass provided on the outer window sash frame, an inner window sash frame provided on an indoor side and coupled to the window frame, an inner glass provided on the inner window sash frame, an awning film provided in a hollow layer formed between the outer glass and the inner glass to serve as a shading, and a case-type glass fixing frame which is provided in the outer window sash frame so as to be located in the hollow layer and fixes the outer glass to the outer window sash frame concurrently with building-in and guiding the awning film.
    Type: Grant
    Filed: June 7, 2022
    Date of Patent: September 10, 2024
    Assignees: Dong-A University Research Foundation For Industry-Academy Cooperation, GM CORP., Mirae Environmental Plan
    Inventors: Keon Ho Lee, Jurng Jae Yee, Seong Hoon Kee, Dong Keon Kim
  • Patent number: 12084056
    Abstract: 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: Grant
    Filed: August 3, 2022
    Date of Patent: September 10, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventor: Avesta Goodarzi
  • Patent number: 12086587
    Abstract: The disclosed technology relates to solutions for improving a firmware update mechanism and in particular, for improving a firmware update mechanism of a power distribution board by utilizing different boot procedures. A process of the disclosed technology can include steps for receiving, at a microcontroller, a firmware update, wherein the firmware update is transmitted by a computer powered by a power distribution board associated with the microcontroller, initiating, by the microcontroller, a warm boot procedure using the firmware update, and marking the warm boot procedure as successful if a message received from the computer indicates that the firmware update is successful. In some aspects, the process can further include steps for determining a power reset of the computer, initiating, by the microcontroller, a cold boot procedure using the firmware update, and marking the firmware update as proven if the message from the computer indicates that the firmware update is successful.
    Type: Grant
    Filed: June 23, 2023
    Date of Patent: September 10, 2024
    Assignee: GM Cruise Holdings LLC
    Inventors: Charles Z. Mooney, James B. Lohmeyer, Christopher Allen Johnson
  • Patent number: 12083876
    Abstract: A drive system includes a prime mover that provides an input, and an output system that is driven by the input. A torque transfer system is coupled between the prime mover and the output system. The torque transfer system includes two gear planes. Each of the gear planes includes a pair of gear meshes, and each of the pair of gear meshes has a floating structure.
    Type: Grant
    Filed: May 11, 2023
    Date of Patent: September 10, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Venu Gopal Ganti, Hai Xu, Hun J Kim, Avinash Singh
  • Patent number: D1041366
    Type: Grant
    Filed: February 2, 2023
    Date of Patent: September 10, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventor: Tyler L. H. Moffett
  • Patent number: D1041370
    Type: Grant
    Filed: April 21, 2022
    Date of Patent: September 10, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventor: Casey Swanseger
  • Patent number: D1041372
    Type: Grant
    Filed: May 10, 2023
    Date of Patent: September 10, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Dongwan Jo, Myeongseon Choi, Zooyoung Oh