Patents Assigned to GM Global Technology Operations LLC
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Patent number: 12233797Abstract: The concepts include a user support system in the form of a microphone, a visual display arranged in a vehicle cabin, and a controller. The controller includes an instruction set that is executable to receive, via the microphone, a voice-based request from a user, and employ a virtual assistant to determine a user interaction in real time and to determine a specific intent for the voice-based request, including capturing metadata. A user interaction routine determines a user interaction parameter associated with the virtual assistant based upon the voice-based request from the user. A user sentiment analysis routine determines a user satisfaction parameter associated with the virtual assistant based upon the voice-based request from the user. The controller responds in real-time to the voice-based request based upon the user satisfaction parameter and the user interaction parameter that are associated with the virtual assistant.Type: GrantFiled: September 16, 2022Date of Patent: February 25, 2025Assignee: GM Global Technology Operations LLCInventors: Gaurav Talwar, Alaa M. Khamis, Xu Fang Zhao, Kenneth R. Booker
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Patent number: 12237476Abstract: A containment system for a rechargeable energy storage device (RESS) is described includes an enclosure having a first compartment adjoining a second compartment. The first compartment is arranged to house a plurality of power electronics devices, and the second compartment is arranged to house a plurality of battery cells. The second compartment includes a tub that defines a bottom portion, and a floor plate. The tub includes opposed end walls and opposed sidewalls. A top plate is arranged overtop of the first compartment and the second compartment. A first one of the end walls and the top plate define a first slot between the first compartment and the second compartment. A first removable panel is arranged to enclose the first compartment. The plurality of battery cells connect to the plurality of power electronics devices via a high-voltage DC power bus that is arranged to pass through the first slot.Type: GrantFiled: May 18, 2022Date of Patent: February 25, 2025Assignee: GM Global Technology Operations LLCInventors: Erik B. Golm, Venkateshwar R. Aitharaju, Gustavo Cibrian Salazar, Bhavesh Shah, Xiaosong Huang
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Patent number: 12235386Abstract: A system and associated method for calibrating a radar system is described, wherein the radar system includes a phased array antenna including a first antenna array and a second antenna array, a transmitter array, and a receiver array, communication leads, a calibration circuit, and a controller. The calibration circuit includes a power divider and directional couplers. A pilot signal is injected, via the power divider and the directional couplers, to the receivers during a quiet period. Phase offsets and gain imbalances for the receivers are determined in relation to a reference channel based upon the pilot signal, and phase calibrations and gain calibrations for the receivers are determined based upon the phase offsets and the gain imbalances, and a radar-related parameter is based upon the phase calibrations and the gain calibrations for the receivers.Type: GrantFiled: April 27, 2022Date of Patent: February 25, 2025Assignee: GM Global Technology Operations LLCInventors: Ofer Bar-Shalom, Igal Kotzer
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Patent number: 12235655Abstract: A system of managing charging schedules in a fleet having electric vehicles includes a command unit. The command unit has a processor and tangible, non-transitory memory on which instructions are recorded. The command unit is adapted to define a plurality of discharge categories, including a transportation category, a transfer category and a reserve energy category. The respective battery power in the electric vehicles is proportioned by setting a respective percentage allocation for the plurality of discharge categories. The command unit is adapted to signal the electric vehicles to charge when at least one of the plurality of discharge categories falls below the respective percentage allocation. The command unit may be adapted to group the electric vehicles in respective virtual boxes based in part on their respective physical locations.Type: GrantFiled: August 24, 2022Date of Patent: February 25, 2025Assignee: GM Global Technology Operations LLCInventors: Venkata Naga Siva Vikas Vemuri, Omer Tsimhoni, Andrew J. MacDonald, Vishnu Chikondla, Charles A. Everhart, Rajas M. Sevekari
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Patent number: 12237791Abstract: A method, apparatus, and control system are described for operating a multiphase motor drive system including a rotary electric machine and an inverter. An AC choke filter is arranged proximal to output leads from the inverter. A reference temperature associated with the AC choke filter is determined along with an operating point of the electric machine. Operation of the inverter is controlled based upon a temperature of the AC choke filter, the reference temperature, and an operating point of the electric machine. This includes modifying a switching frequency and a PWM type in a manner that reduces the AC choke filter temperature by reducing the occurrence of switching events to protect the AC choke filter based on temperature feedback.Type: GrantFiled: March 13, 2023Date of Patent: February 25, 2025Assignee: GM Global Technology Operations LLCInventors: Brent S. Gagas, Kerrie M. Spaven, Brian J. Gallert, Daniel J. Berry, Brian A. Welchko
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Patent number: 12233738Abstract: Presented are closed-loop feedback control systems for preconditioning batteries, methods for making/using such systems, and electric-drive vehicles with battery preconditioning capabilities. A method for operating a battery system of a motor vehicle includes a system controller receiving a recharge signal to schedule a recharge event for a battery of the vehicle. The system controller responsively derives a target preconditioning temperature for optimizing the battery recharge event, and determines the battery state of voltage or charge for at the vehicle's current location. The system controller also predicts an SOV/SOC for the battery upon arrival of the motor vehicle at a selected charging station, and estimates a preconditioning time to thermally precondition the battery to the target preconditioning temperature.Type: GrantFiled: November 1, 2021Date of Patent: February 25, 2025Assignee: GM Global Technology Operations LLCInventors: Sumit Chopra, Matthew L. Ehrenfeld, Orlando Ward-Santos
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Patent number: 12238486Abstract: A system for managing audio performance in a vehicle includes an audio unit having one or more speakers and one or more microphones respectively positioned in and/or around the vehicle. The speakers transmit an audio signal within the vehicle. A command unit is in communication with the audio unit. The command unit has a processor and tangible, non-transitory memory on which instructions are recorded. The command unit is adapted to receive the audio signal through the one or more microphones and determine whether at least one audio quality parameter of the audio signal meets a predefined threshold. The command unit may be adapted to take at least one remedial action when the audio quality parameter is below the predefined threshold.Type: GrantFiled: August 10, 2022Date of Patent: February 25, 2025Assignee: GM Global Technology Operations LLCInventors: Ryan M. Edwards, Russell A. Patenaude, Eric T. Hosey, Matthew Neely
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Publication number: 20250060031Abstract: A torque converter management system includes a torque converter having a clutch and a torus. The torque converter management system includes memory hardware that stores instructions, that, when executed on data processing hardware of the system, cause the system to perform operations for protecting the torque converter. The operations include receiving torque converter temperature associated with the torque converter. The operations further include obtaining a torque converter protection schedule including one or more torque converter protective action initiation threshold temperatures each having an associated torque converter protective action and determining whether the torque converter temperature(s) exceeds a first one of the torque converter protective action initiation threshold temperatures.Type: ApplicationFiled: August 15, 2023Publication date: February 20, 2025Applicant: GM Global Technology Operations LLCInventors: Andrew R. Scheich, Daniel P. Laurent, Peter Paul Radecki, Roberto Diaz, Shawn B. Look
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Publication number: 20250060030Abstract: A shift system includes a shifter including a first switch, a second switch, and an interlock switch and being operable between a plurality of gear states. A controller is communicatively coupled with the shifter to receive signals that correspond to each of the first switch, the second switch, and the interlock switch. The controller includes a diagnostic counter that includes a passing criteria and a predetermined diagnostic threshold and is configured to adjust the diagnostic counter based on at least one of the signals received from the shifter being inconsistent with the others of the signals received.Type: ApplicationFiled: August 14, 2023Publication date: February 20, 2025Applicant: GM Global Technology Operations LLCInventor: Devon Robert Hall
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Publication number: 20250060217Abstract: A method of optimizing energy consumption includes receiving vehicle route information, generating a baseline vehicle route profile including a baseline energy consumption and a baseline travel time, and processing the baseline vehicle route profile by detecting one or more changes in a road grade. For each detected change in the road grade, the method includes triggering a breakpoint to divide the baseline vehicle route profile into a plurality of segments, each segment in the plurality of segments having a baseline vehicle velocity, and for each segment in the plurality of segments, performing local optimization to generate a modified vehicle velocity. The method also includes generating an updated vehicle route profile and performing global optimization on the updated vehicle route profile to generate an optimized vehicle route profile, the optimized vehicle route profile having a different energy consumption than the baseline energy consumption.Type: ApplicationFiled: August 16, 2023Publication date: February 20, 2025Applicant: GM Global Technology Operations LLCInventor: Harsh S. Purohit
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Publication number: 20250058764Abstract: A control system for a vehicle having a vehicle drive system and a plurality of torque sources connected to the vehicle drive system instructs a first torque source of the plurality of torque sources to provide an instantaneous torque to the vehicle drive system. The data processing hardware further receives a vehicle drive requested torque output and obtains a first available torque source output of the first torque source. The data processing hardware calculates a first torque error based on the requested torque output and the first available torque source output for the first torque source. The data processing hardware determines whether the first torque error exceeds a torque error threshold, and, when the first torque error exceeds the torque error threshold, activates a first supplemental torque source of the plurality of the torque sources to provide a first supplemental torque output to the vehicle drive system.Type: ApplicationFiled: August 14, 2023Publication date: February 20, 2025Applicant: GM Global Technology Operations LLCInventors: Kuldip Dhananjay Kalushe, Alexander Kellum Cox
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Patent number: 12229926Abstract: A method for deblurring a blurred image includes dividing the blurred image into overlapping regions each having a size and an offset from neighboring overlapping regions along a first direction as determined by a period of a ringing artifact in the blurred image, or by obtained blur characteristics relating to the blurred image and/or attributable to the optical system, or by a detected cause capable of producing the blur characteristics, stacking the overlapping regions to produce a stacked output, wherein the overlapping regions are sequentially organized along the first direction, convolving the stacked output through a first convolutional neural network (CNN) to produce a first CNN output having reduced blur as compared to the stacked output, and assembling the first CNN output into a re-assembled image, and processing the re-assembled image through a second CNN to produce a deblurred image having reduced residual artifacts as compared to the re-assembled image.Type: GrantFiled: July 13, 2022Date of Patent: February 18, 2025Assignee: GM Global Technology Operations LLCInventors: Tzvi Philipp, Dan Levi, Shai Silberstein
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Patent number: 12231582Abstract: A method for attestation of electronic components includes operating a system including the components. The components are configured for electronic communication with each other. A first electronic component provides plug-in hardware and/or configurable software. The method includes utilizing a second electronic component to perform attestation upon the first component using asymmetric key cryptography to verify authenticity. When using the asymmetric key cryptography successfully verifies the authenticity, the method includes selectively enabling one of power or data to the first component and communicating between the first component and the plurality of components to achieve tangible functions. When the cryptography fails to successfully verify the authenticity, the method includes selectively withholding one of power or data connection the first component.Type: GrantFiled: June 3, 2022Date of Patent: February 18, 2025Assignee: GM Global Technology Operations LLCInventor: Kenneth William Junk
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Publication number: 20250052207Abstract: A computer-implemented method that, when executed by data processing hardware of a motor vehicle including a turbocharger having a turbine, causes the data processing hardware to perform operations. One operation includes receiving an accelerator pedal position input indicating that a vehicle accelerator pedal has moved to an overrun position. Another operation includes receiving one or more vehicle performance parameter inputs each corresponding to a measured vehicle performance parameter. Yet another operation includes calculating a vehicle dynamic score based on the one or more vehicle performance parameter inputs. A further operation includes determining a target boost profile based on the calculated vehicle dynamic score. Another operation includes instructing one or more outputs of the vehicle to transition to a dynamic mode to generate an increased turbine power based on the target boost profile.Type: ApplicationFiled: August 11, 2023Publication date: February 13, 2025Applicant: GM Global Technology Operations LLCInventors: David Alexander Schmitt, Wesley Rieves Haney, John Garrity Singleton, Robert Monchamp
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Patent number: 12221121Abstract: A system for planning motion of a vehicle includes a controller having a processor and tangible, non-transitory memory on which instructions are recorded. The vehicle is capable of an automated driving operation. A planning module is executable by the controller to generate a vehicle trajectory constrained by a set of planning parameters. During a degraded driving situation, an adjustment module is executable by the controller to generate at least one adjusted parameter in the set of planning parameters. The controller is adapted to register occurrence of the degraded driving situation when the planning module is unable to generate a feasible path for the vehicle constrained by the set of planning parameters. The planning module is adapted to generate a modified trajectory plan based on the at least one adjusted parameter, with the automated driving operation being based on the modified trajectory plan during the degraded driving situation.Type: GrantFiled: October 26, 2022Date of Patent: February 11, 2025Assignee: GM Global Technology Operations LLCInventors: Rasoul Salehi, Sayyed Rouhollah Jafari Tafti
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Patent number: 12223741Abstract: A visual perception system includes a scanning camera, color sensor with color filter array (CFA), and a classifier node. The camera captures full color pixel images of a target object, e.g., a traffic light, and processes the pixel images through a narrow band pass filter (BPF), such that the narrow BPF outputs monochromatic images of the target object. The color sensor and CFA receive the monochromatic images. The color sensor has at least three color channels each corresponding to different colors of spectral data in the monochromatic images. The classifier node uses a predetermined classification decision tree to classify constituent pixels of the monochromatic images into different color bins as a corresponding color of interest. The color of interest may be used to perform a control action, e.g., via an automated driver assist system (ADAS) control unit or an indicator device.Type: GrantFiled: December 21, 2021Date of Patent: February 11, 2025Assignee: GM Global Technology Operations LLCInventors: Tzvi Philipp, Eran Kishon, Michael Slutsky
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Publication number: 20250042355Abstract: A system includes a first webbing payout sensor configured to detect a first webbing payout of a seatbelt associated with a vehicle seat, the first webbing payout being a length of webbing extended from a retractor of the seatbelt, an occupant detection module configured to identify a state of the vehicle seat, the occupant detection module identifying an occupied state when an occupant is seated on the vehicle seat and an unoccupied state when the vehicle seat is free from an occupant, and a seatbelt wear condition module in communication with the first webbing payout sensor and the occupant detection module and configured to identify whether a seatbelt buckle extender is used in conjunction with the seatbelt based on the first webbing payout and the state of the vehicle seat identified by the occupant detection module.Type: ApplicationFiled: August 3, 2023Publication date: February 6, 2025Applicant: GM Global Technology Operations LLCInventors: Scott D. Thomas, Sean Taylor Coughlin
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Publication number: 20250042414Abstract: A vehicle assist system includes an imager coupled to a vehicle body. The imager is configured to capture a vehicle environment, and a GPS processor is configured to detect a geographical location of a vehicle. The vehicle assist system also includes a controller that stores vehicle data and a coastdown procedure. The controller is communicatively coupled to the imager and the GPS processor and is configured to detect a trigger event. In response to the trigger event, the controller is configured to execute the coastdown procedure based on the vehicle data, the vehicle environment from the imager, and the geographical location of the vehicle.Type: ApplicationFiled: July 31, 2023Publication date: February 6, 2025Applicant: GM Global Technology Operations LLCInventors: Ryan Patrick Hickey, Russell A. Patenaude
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Publication number: 20250042352Abstract: A system includes an occupant detection module configured to identify an occupied state when an occupant is seated on a vehicle seat and an unoccupied state when the vehicle seat is free from an occupant. The system also includes a buckle sensor configured to identify a time of buckling when a latch plate is initially secured to a buckle. A seatbelt wear condition module is configured to identify the occupied state at the time of buckling and after buckling regardless of whether the occupant detection module detects the occupied state at the time of buckling and after buckling or the unoccupied state at the time of buckling and after buckling based on the occupant detection module identifying the occupied state within a predetermined timeframe prior to the time of buckling and disregarding any unoccupied state produced from the occupant detection module while the seatbelt remains buckled.Type: ApplicationFiled: August 3, 2023Publication date: February 6, 2025Applicant: GM Global Technology Operations LLCInventor: Scott D. Thomas
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Patent number: 12214769Abstract: A method for heat coordination is provided. The method includes operating a propulsion system that generates heat as wasted power, operating a device utilizing the heat generated by the propulsion system, and operating a heat transfer system configured for transferring the heat generated by the propulsion system from the propulsion system to the device. The method further includes, within a computerized processor, determining a minimum useful waste thermal power to operate the device, monitoring a desired output torque for the propulsion system, and utilizing a cost-based determination to determine a propulsion system operating point based upon the desired output torque and the minimum useful waste thermal power to operate the device. The method further includes utilizing the propulsion system operating point to control the propulsion system.Type: GrantFiled: June 30, 2022Date of Patent: February 4, 2025Assignee: GM Global Technology Operations LLCInventors: Kee Y. Kim, Anthony H. Heap, Yiran Hu, Benjamin H. Daavettila