Patents Assigned to GM
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Patent number: 11603098Abstract: A method for collecting and mapping eye movement data to vehicle data includes providing a vehicle having a plurality of sensors configured to capture vehicle characteristic data, an eye-movement tracking system configured to capture eye movement data, a wireless communication system, and a controller in communication with the plurality of sensors, the eye movement tracking system, and the wireless communication system, receiving the eye movement data and the vehicle characteristic data, analyzing the eye movement data and the vehicle characteristic data to temporally correlate the eye movement data and the vehicle characteristic data and generate a matched dataset, determining a predicted vehicle maneuver from the matched dataset, and transmitting the predicted vehicle maneuver to a nearby vehicle using V2X communication.Type: GrantFiled: August 27, 2019Date of Patent: March 14, 2023Assignee: GM Global Technology Operations LLCInventor: Yunxiu Zhang
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Patent number: 11602973Abstract: A vehicle HVAC system includes a component within a refrigerant system in a vehicle HVAC system, a vibration sensor that generates a vibration signal indicating a vibration of the component, and a controller in communication with the vibration sensor to receive the vibration signal and the refrigerant system. The controller is configured to determine whether the vibration signal corresponds to a predetermined vibration value and for adjusting the operation of the refrigerant system to minimize the system noise if the vibration signal corresponds to the predetermined vibration value.Type: GrantFiled: May 20, 2019Date of Patent: March 14, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Brian D. Literman, Jeffrey A. Bozeman
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Patent number: 11604258Abstract: A system including a light detection and ranging (LiDAR) sensor is arranged to monitor a field of view, and includes a LiDAR sensor and a linear resonant actuator. The LiDAR sensor includes a first portion including a laser array and a detector array, and a second portion including a transmitting lens and a receiving lens. The linear resonant actuator is arranged to oscillate one of the first portion or the second portion of the LiDAR sensor.Type: GrantFiled: January 17, 2020Date of Patent: March 14, 2023Assignee: GM Global Technology Operations LLCInventors: Nathaniel W. Hart, Michelle M. Clem, Adam L. Wright, Tzvi Philipp
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Patent number: 11603045Abstract: A tailgate assembly includes a first panel portion rotatably couplable to a vehicle body and pivotable between a closed position and an open position, a second panel portion rotatably coupled to the first panel portion and pivotable between a first position and a second position. The second panel portion is extendable relative to the first panel portion between a retracted position and an extended position. The tailgate assembly includes a third panel portion rotatably coupled to the second panel portion and pivotable between a stowed position and a use position. The third panel portion extends generally parallel with the second panel portion when the third panel portion is in the stowed position and the third panel portion extends generally perpendicular to the second panel portion when the third panel portion is in the use position.Type: GrantFiled: September 25, 2020Date of Patent: March 14, 2023Assignee: GM Global Technology Operations LLCInventors: Derek L. Patterson, Neil W. Humann
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Patent number: 11604118Abstract: A module test machine includes a frame, a fixture, at most two actuators coupled to the fixture, and a controller. The frame is couplable to a first end of a strut module. The fixture is couplable to a second end of the strut module. The fixture includes a plurality of arms with a plurality of adjustable lengths. The at most two actuators are coupled to two of the plurality of arms and configured to impart a plurality of loads along six axes of force at the second end of the strut module. The controller is configured to control the at most two actuators in response to at most two actuator vectors. The plurality of adjustable lengths and the at most two actuator vectors are configured to replicate road load data at the second end of the strut module while under test.Type: GrantFiled: December 15, 2020Date of Patent: March 14, 2023Assignee: GM Global Technology Operations LLCInventors: Alexander J. Dan, Scott P. Sherman, Timothy J. Colosky, Jarred J. Versical
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Patent number: 11605954Abstract: An example direct current fast charger (DCFC) for providing asymmetrical charging power to electric vehicles can include a first power module having a rectifier and control electronics, and a second power module having a rectifier and control electronics. The first power module can be configured to receive a request to charge a battery of an electric vehicle (EV) at a specified charge rate; determine that the specified charge rate exceeds a maximum charge rate of the first power module; request additional power from the second power module; when the second power module has available power to donate, receive donated power from the second power module; and charge the battery of the EV at an increased charge rate that exceeds the maximum charge rate of the first power module, the increased charge rate including a maximum power output of the first power module increased by the donated power.Type: GrantFiled: June 28, 2019Date of Patent: March 14, 2023Assignee: GM Cruise Holdings LLC.Inventors: Adam Mandel-Senft, Sue-Ling Huynh, John Deniston, Danny Curzon
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Patent number: 11603005Abstract: An apparatus for charging an electric vehicle includes a plug command center having data identifying an availability of an amount of energy which is available for transfer from a first battery system of a first battery electric vehicle (BEV) to a second BEV. A charging adapter provides for energy transfer between a first plug of the first BEV and a second plug of the second BEV. A V2V charging controller communicates data identifying a battery system charge state of the first BEV and a battery system charge state of the second BEV and selects between multiple available charging options.Type: GrantFiled: September 30, 2020Date of Patent: March 14, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Venkata Prasad Atluri, Hanho Yun, Chandra S. Namuduri, Madhusudan Raghavan, Venkatesh Gopalakrishnan
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Patent number: 11603060Abstract: A system includes a seat belt routing module and a user interface device (UID) control module. The seat belt routing module is configured to: determine a routing of a seat belt relative to an occupant in a vehicle seat based on input from a webbing payout sensor; and determine the seat belt routing based on an input from an in-cabin sensor. The in-cabin sensor includes at least one of a camera, an infrared sensor, an ultrasonic sensor, a radar sensor, and a lidar sensor. The UID control module is configured to control a user interface device to indicate that the seat belt is being worn improperly when: the seat belt routing determined using at least one of the webbing payout sensor and the in-cabin sensor is improper; and the seat belt routing determined using the webbing payout sensor corresponds to the seat belt routing determined using the in-cabin sensor.Type: GrantFiled: May 11, 2020Date of Patent: March 14, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Scott D. Thomas, Michael Baltaxe, Kobi Nistel
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Patent number: 11606005Abstract: An electric motor includes a housing, a stator having end turn windings, a rotatable central shaft, a rotor mounted onto the central shaft, and a rotor end ring mounted onto the central shaft adjacent the rotor, the rotor end ring including an annular disk shaped body having a circumferential outer diameter and a circumferential inner diameter and being formed from a thermally conductive material, a recess formed within a face of the body, an oil jacket formed within a back side of the body, the oil jacket comprising an annular channel having a circumferential outer wall and a circumferential inner wall, two inlets, each inlet extending radially between the inner diameter of the body and the inner wall of the oil jacket, a plurality of outlets, each outlet comprising a circumferential slot, the plurality of outlets equidistantly spaced around the face adjacent the circumferential inner wall of the oil jacket.Type: GrantFiled: April 28, 2020Date of Patent: March 14, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Xiaofeng Yang, Wei Zeng, Lei Hao
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Patent number: 11602972Abstract: A multi-functional control, a control system, and a method of controlling a system in a vehicle. The multi-functional control includes a base plate, a post extending through a slot in the base plate, and at least two stacked knobs, rotatably and tilt-ably attached to the post. The stacked knobs include a display knob and a base knob. The multi-functional control further includes a plurality of sensors. The sensors include a first touch sensor integrated in the display knob, a second touch sensor integrated in the base knob, a first rotary sensor integrated in the display knob, a second rotary sensor integrated in the base knob, a rocker switch connected to the stacked knobs, and a push-button switch connected to the stacked knobs. The multi-functional control also includes a sliding sensor. The post and stacked knobs are mounted to the sliding sensor.Type: GrantFiled: April 28, 2022Date of Patent: March 14, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Ki Hyun Ahn, Joseph F. Szczerba, Akilesh Rajavenkatanarayanan
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Patent number: 11603102Abstract: A vehicle includes a system and method of modeling and controlling a traction of a wheel of the vehicle. The system includes an observer, a predictive controller and an online solver. The observer receives a dynamic model parameter of the wheel and determines an estimate of a wheel velocity and an uncertainty in the wheel velocity using a non-linear model of the wheel. The predictive controller determines an average gain and differential gain from the estimate of the wheel velocity and the uncertainty in the wheel velocity. The online solver calculates a motor torque and a wheel brake torque for increasing the traction of the wheel with a road based on the average gain and the differential gain. The motor torque and the wheel brake torque are applied at the vehicle.Type: GrantFiled: December 28, 2020Date of Patent: March 14, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Joonho Lee, Jason S. Rhee
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Patent number: 11604070Abstract: Techniques are disclosed for evaluating digital map quality. A process includes steps for receiving change data indicating one or more feature discrepancies associated with one or more geographic regions of a digital map, analyzing the change data to determine which of the one or more feature discrepancies resulted in verified updates to the digital map, and generating a quality score for each of the geographic map regions based on the verified updates. Systems and machine-readable media are also provided.Type: GrantFiled: March 31, 2020Date of Patent: March 14, 2023Assignee: GM Cruise Holdings LLC.Inventors: Chen Xie, Matthew Fox, Brian Joseph Donohue, Kangyuan Niu, Katherine Leung
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Publication number: 20230070394Abstract: 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: ApplicationFiled: August 24, 2021Publication date: March 9, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Alireza Fatemi, Anthony M. Coppola, Derek F. Lahr, Alan G. Holmes
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Publication number: 20230074308Abstract: A system for modular dynamically adjustable capacity storage for a vehicle is provided. The system includes a battery pack including a plurality of battery cells, a negative terminal including a chassis ground connection, and a plurality of positive battery pack terminals. The negative terminal and the plurality of positive battery pack terminals are useful for connecting at least one electrical circuit through the battery pack. The system further includes a battery cell switching system, including a plurality of solid-state switches connected to each of the battery cells. The plurality of solid-state switches is operable to selectively connect a portion of the battery cells in parallel, selectively connect the portion of the battery cells in series, and selectively connect one of the plurality of battery cells to one of the plurality of positive battery pack terminals.Type: ApplicationFiled: September 7, 2021Publication date: March 9, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Chandra S. Namuduri, Dave G. Rich, Lyall K. Winger, Suresh Gopalakrishnan
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Publication number: 20230073884Abstract: A method to perform secure boot procedure using a multi-stage security verification is provided. The procedure includes, within a microcontroller, referring to a table to identify a first defined memory region including code useful to start-up application programming of the microcontroller, wherein the application programming is operable to provide a function of the microcontroller to the vehicle, and a second defined memory region, including programming and data useful to operation of the application programming of the microcontroller. The procedure further includes, within a first stage, verifying authenticity of contents of the first region and starting-up the application programming of the microcontroller based upon verifying the authenticity of the contents of the first region.Type: ApplicationFiled: September 9, 2021Publication date: March 9, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Brian Farrell, Thomas M. Forest
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Publication number: 20230072230Abstract: Methods and systems for an On-Demand Autonomy (ODA) system are provided. A method includes: receiving a request for ODA service from the Fv, wherein the request includes a location of the Fv; when the Lv is within a first distance of the location of the Fv: identifying the Fv within a scene of an environment of the Lv; identifying an orientation of the Fv within the scene of the environment of the Lv; and determining a second location for the Lv to begin the ODA service; when the Lv is within a second distance of the second location, determining a closeness of other vehicles within a second scene of the environment of the Lv; confirming the orientation of the Fv in the second scene; performing a handshake method with the Fv to create a virtual link between the Lv and the Fv; and performing at least one of pulling and parking platooning methods using the created virtual link.Type: ApplicationFiled: September 8, 2021Publication date: March 9, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Prakash Mohan Peranandam, Arun Adiththan, Ramesh Sethu, Joseph G. D Ambrosio
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Publication number: 20230075193Abstract: Systems and method are provided for coordinating remote control of an autonomous vehicle by a remote transportation system. In one embodiment, a method includes: receiving, by a processor of the remote transportation system, request data requesting intervention of control of the autonomous vehicle; selecting, by the processor, an operator from a plurality of available operators; selectively assigning, by the processor, the selected operator to a task associated with the intervention based on at least one of a skill level of the selected operator, a workload of the selected operator, and an economic element of the ride associated with the selected operator; and coordinating, by the processor, control of the autonomous vehicle based on the assigned operator.Type: ApplicationFiled: September 8, 2021Publication date: March 9, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Lawrence A Bush, Joseph F Szczerba, Roy J Mathieu
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Publication number: 20230074015Abstract: A method in an On-Demand Autonomy system includes: monitoring for a trip change request from a plurality of platoon vehicles including a first leader vehicle (Lv) and a follower vehicle (Fv). When a trip termination request is received from a platoon vehicle, the method includes broadcasting information regarding the request to the other platoon vehicles, and monitoring for an acknowledgement of the request. When the trip termination request originated from the first Lv, the method includes electing a new Lv, computing a rendezvous point for the new Lv and the Fv, and signaling the Fv and new Lv regarding the rendezvous point. When a trip modification request is received from the Fv, the method includes broadcasting information regarding the request to the first Lv, electing a new Lv, computing a rendezvous point for the new Lv and the Fv, and signaling the Fv and new Lv regarding the rendezvous point.Type: ApplicationFiled: September 8, 2021Publication date: March 9, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Arun Adiththan, Prakash Mohan Peranandam, Ramesh Sethu
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Publication number: 20230074988Abstract: A method for storing shard data and data formats for storing shard data are proposed. Shard data entries are generated and stored, wherein each shard data entry comprises a definition of one or more semantic objects covered by the shard data entry. Shard metadata is generated and stored, wherein the metadata comprises references to the shard data entries and, for each of the shard data entries, data representative of a bounding box indicative of an area in a geographical area that is covered by the shard data entry.Type: ApplicationFiled: October 28, 2022Publication date: March 9, 2023Applicant: GM Cruise Holdings LLCInventors: Mikhail Chernov, Xiaojun Sun
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Publication number: 20230074112Abstract: The present disclosure provides a polymeric gel electrolyte for an electrochemical cell that cycles lithium ions. The polymeric gel electrolyte includes greater than or equal to about 0.1 wt. % to less than or equal to about 10 wt. % of a non-lithium salt. The non-lithium salt includes a non-lithium cation having an ion radius that is greater than or equal to about 80% to less than or equal to about 250% of an ion radius of a lithium ion. The polymeric gel electrolyte further includes greater than or equal to about 50 wt. % to less than or equal to about 99.9 wt. % of a non-volatile gel. The non-volatile gel includes greater than or equal to 0 wt. % to less than or equal to about 50 wt. % of a polymeric host and greater than or equal to about 5 wt. % to less than or equal to about 100 wt. % of a liquid electrolyte.Type: ApplicationFiled: March 31, 2022Publication date: March 9, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Qili SU, Zhe LI, Yong LU, Haijing LIU