Patents Assigned to GM
-
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
-
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
-
Patent number: 11894529Abstract: A vehicle includes a system operating a method of controlling a temperature at a battery cell of the vehicle. The system includes the battery cell, a temperature sensor and a processor. The battery cell has a tab for flow of current to and from the battery cell. The temperature sensor is configured to measure a cell temperature of the battery cell at a location away from the tab. The processor is configured to predict a tab temperature from the cell temperature, and control a power supplied to a load from the battery cell based on the tab temperature.Type: GrantFiled: July 14, 2021Date of Patent: February 6, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Yue-Yun Wang, Omar Dauleh, Shifang Li, Derek Ivan George, Caleb Aaron Jones
-
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
-
Patent number: 11890672Abstract: A method of making a die cast part having high wear resistance is provided. The method comprises providing a mold and an insert pin. The mold comprises an interior surface defining a cavity. The mold comprises a bore formed through the interior surface. The insert pin has a magnetic core having a magnetic field and a barrier disposed about the magnetic core. The insert pin is disposed in the bore and extends into the cavity. The method comprises filling the mold with metallic material such that the metallic material is in contact with the insert pin to define a contact layer. The method comprises modifying iron content within the contact layer with the magnetic field to define an outer layer and an inner layer formed between the outer layer and the insert pin. The inner layer has 3-5 wt % Fe and the outer layer has 0.01-0.5 wt % Fe.Type: GrantFiled: January 30, 2023Date of Patent: February 6, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Zhe Li, Qigui Wang, Wenying Yang, Daniel J. Wilson, Huaxin Li
-
Patent number: 11891083Abstract: A system for context-based adaptive virtual experience control in a vehicle is provided. The system includes an output device configured for providing a sensory output to a user of the vehicle and a computerized virtual experience control module configured for controlling the output device based upon a virtual experience mode. The system further includes a computerized context-based adaptive control module configured for monitoring contextual data related to one of the user of the vehicle or operation of the vehicle, monitoring feedback from the user related to one of favor or disfavor related to the virtual experience mode, and utilizing the contextual data and the feedback from the user to selectively, automatically command activation of the virtual experience mode.Type: GrantFiled: December 7, 2021Date of Patent: February 6, 2024Assignee: GM Global Technology Operations LLCInventors: Alaa M. Khamis, Neeraj R. Gautama, Jarvis Chau, Jomo Hanley, Kelley J. Kettenbeil, Gina E. Griffith, Scott E. Jackson, Ian Gibbs, Mark T. Gaylord, Maria Alejandra Gonzalez, Nicholis Festa, Nathan Robinson, Ute Winter, Sachin Raviram
-
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
-
Publication number: 20240035843Abstract: A map database stores data describing a set of connected roadways, each having one or more lanes. A coverage system selects lanes from the map database along which AVs can stop, such as parking lanes. The coverage system generates buffer regions for each of the stopping lanes, where each buffer region includes an area within a given distance of the respective lane. The coverage system combines the buffer regions to generate a coverage area, and provides a display of the coverage area overlayed over a map of roads corresponding to the coverage area.Type: ApplicationFiled: October 13, 2023Publication date: February 1, 2024Applicant: GM Cruise Holdings LLCInventors: Sarah M. Rizk, Patrick Tyler Haas, Charles Bruce Matlack
-
Publication number: 20240037955Abstract: Methods and systems are provided that include obtaining first camera images of a parking location before a vehicle is parked at the parking location; obtaining second camera images of the parking location after the vehicle is parked at the parking location; and detecting, via a processor, a fluid leak for the vehicle based on a comparison of the first camera images and the second camera images.Type: ApplicationFiled: August 1, 2022Publication date: February 1, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Hamed Kazemi, Hong Wong
-
Publication number: 20240039118Abstract: A separator for an electrochemical cell that cycles lithium ions includes a microporous layer and one or more fire suppression layers disposed on at least one of a first side or an opposite second side of the microporous layer. The one or more fire suppression layers include a ceramic material having interconnected open pores and a cyclophosphazene disposed within the interconnected open pores of the ceramic material.Type: ApplicationFiled: July 29, 2022Publication date: February 1, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Yifan ZHAO, Xingcheng XIAO, Shuru CHEN
-
Publication number: 20240036565Abstract: There is disclosed an autonomous vehicle (AV), including an AV chassis comprising a drive system and a cabin comprising a plurality of cabin controls; an AV controller, including a processor circuit and a memory, wherein the memory includes instructions to instruct the processor circuit to operate the drive system in a fully autonomous configuration; actuators to electronically operate the cabin controls; a communication circuit with wireless communication capability; and instructions encoded within the memory to further instruct the processor circuit to: receive a remote cabin control command; and in response to the remote cabin control command, operate a cabin control.Type: ApplicationFiled: September 7, 2022Publication date: February 1, 2024Applicant: GM Cruise Holdings LLCInventors: Theresa Foy, Leah Meyerholtz, Soleil Phan, Qingxuan Li, Jyothi Babu Araja, David Shuckerow, Christopher Warren, MinJie Tong
-
Publication number: 20240035832Abstract: A methodology is described for determining a time for responding to an initial encounter by a vehicle with a map error in a map segment, wherein the initial encounter is detected by a detector. A method includes identifying an error type associated with the map error, wherein the error type is one of a first error type and a second error type; determining at least one additional factor associated with the initial encounter; determining a response time for the map error based on the error type and the at least one additional factor; and initiating a mitigating action in response to the initial encounter within the response time, wherein the response time comprises an amount of time from the initial encounter with the map error to a time at which a mitigating action should be taken.Type: ApplicationFiled: October 10, 2023Publication date: February 1, 2024Applicant: GM Cruise Holdings LLCInventors: Sarah M. Rizk, Yanni Cao
-
Publication number: 20240038629Abstract: There is disclosed by way of example a computing apparatus, having a packaged circuit with an exterior surface, a heat sink having a pedestal disposed to nearly contact the packaged circuit with a nominal clearance when the packaged circuit is assembled to the heat sink, and a first thermal interface material (TIM) and a second TIM disposed in layers between the packaged circuit and the pedestal, wherein the first TIM is non-flowable at operating temperatures of the packaged circuit, and the second TIM is flowable at the operating temperatures.Type: ApplicationFiled: July 26, 2022Publication date: February 1, 2024Applicant: GM Cruise Holdings LLCInventor: Yafei Han
-
Publication number: 20240033844Abstract: Welding electrodes, methods, and vehicles are provided. The welding electrodes include a body that includes a weld face on a distal end of the body configured to contact a workpiece and apply an electrical current thereto. The body has a maximum diameter of 13 millimeters or less. The welding electrode includes an insulative material covering at least a portion of the body, the insulative material configured to mitigate current shunting upon contact between the insulative material and a workpiece of a workpiece stack-up while using the welding electrode to resistance weld the workpiece stack-up.Type: ApplicationFiled: July 26, 2022Publication date: February 1, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Zhenke Teng, John A. Gerke, Pei-chung Wang, Robert W. Watson, Russell A. Webster, Jason M. Brown
-
Publication number: 20240034348Abstract: A method is described and includes detecting by a vehicle an ambiguous situation involving the vehicle; classifying the detected ambiguous situation; and submitting in substantially real-time a request for remote assistance by a remote advisor to resolve the detected ambiguous situation, wherein contents of the request are based at least in part on the classifying.Type: ApplicationFiled: July 26, 2022Publication date: February 1, 2024Applicant: GM Cruise Holdings LLCInventors: Andrew Robinson, Jeremy Allan, Nishant Sharma
-
Publication number: 20240034278Abstract: Liquid cleaning systems for cleaning AV sensors are disclosed herein. An example liquid cleaning system includes a reservoir storing a liquid. The liquid can flow from the reservoir to a heat exchanger. The heat exchanger can transfer heat generated by a part of the AV to the liquid, thereby improving cleaning efficacy. The part may be battery, motor, engine, sensor (e.g., the sensor to be cleaned with the liquid or another sensor), etc. The heat may be an unintended product of an operation of the part. The heat exchanger can use the heat to warm up the liquid and cool down the part. Additionally or alternatively, the liquid can be heated by another heat exchanger or a heater. The heater can generate heat intended for heating the liquid. The heater may be local to the sensor to be cleaned, e.g., the heater is closer to the sensor than the reservoir.Type: ApplicationFiled: July 28, 2022Publication date: February 1, 2024Applicant: GM Cruise Holdings LLCInventors: Nathaniel Barrett Herse, Devin Cass, Michael Shagam, Isaac Brown, Wesley Newhouse, Kevin Sheppard
-
Publication number: 20240038962Abstract: An electrochemical cell is provided that includes a first electrode, a second electrode, a separating layer that physically separates the first and second electrodes, and a porous layer disposed between the separating layer and the first electrode. The porous layer includes a porous material having a plurality of pores and a lithiating material that at least partially fills the pores of the plurality. The porous layer can be a continuous coating disposed on a surface of the separating layer opposing the first electrode or a continuous coating disposed on a surface of the first electrode opposing the separating layer. The porous material can include zeolites, aerogels, silicon oxides, porous aluminum oxides, titanium oxides, manganese oxides, and/or magnesium oxides. The lithiating material can include lithium peroxide and can fill between about 30 and about 60% of the pores of the porous material.Type: ApplicationFiled: July 27, 2022Publication date: February 1, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Xingcheng XIAO, Sherman H. ZENG, Meinan HE
-
Publication number: 20240034280Abstract: Fluid cleaning systems for cleaning AV sensors are disclosed herein. An example fluid cleaning system includes a reservoir storing a fluid. The fluid can flow from the reservoir to a heat exchanger. The heat exchanger can transfer heat generated by a part of the AV to the fluid, thereby improving cleaning efficacy. The part may be battery, motor, engine, sensor (e.g., the sensor to be cleaned with the fluid or another sensor), etc. The heat may be an unintended product of an operation of the part. The heat exchanger can use the heat to warm up the fluid and cool down the part. Additionally or alternatively, the fluid can be heated by another heat exchanger or a heater. The heater can generate heat intended for heating the fluid. The heater may be local to the sensor to be cleaned, e.g., the heater is closer to the sensor than the reservoir.Type: ApplicationFiled: July 18, 2023Publication date: February 1, 2024Applicant: GM Cruise Holdings LLCInventors: Nathaniel Barrett Herse, Devin Cass, Michael Yagoda Shagam, Isaac Brown, Wesley Newhouse, Kevin Morris Sheppard
-
Publication number: 20240039393Abstract: A system for transferring DC electric power to a DC electric power system includes an electric power source, a DC-DC power converter, a system power bus including a capacitor, a first current sensor, a second current sensor, a third current sensor, and a controller. The DC-DC power converter includes a switched inductance circuit including an inductor, a high-voltage switch, and a diode. The second current sensor monitors a second current in the system power bus between the DC-DC power converter and the capacitor. The controller determines a parametric setpoint for the system power bus, determines the first current, the second current, and the third current in the system power bus, and controls the switching DC-DC power converter based upon the parametric setpoint, the first current, the second current, and the third current.Type: ApplicationFiled: July 27, 2022Publication date: February 1, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Akshay Sarin, Alan B. Martin, Joseph Berg
-
Publication number: 20240034269Abstract: A system for dynamic authorization, entitlements, and conditional capabilities by operational context to authorize operating a vehicle in conjunction with a remote cloud unit is provided. The system includes a vehicle operational system providing a functional output and a computerized controller within the vehicle. The controller includes programming to collect data from a plurality of sources related to operation of the vehicle and provide the data to a plurality of operating context analyzers to generate an operating context. The controller further includes programming to receive an authorization to operate the vehicle operational system and selectively enable operation of the vehicle operational system based upon the authorization. The system further includes the plurality of operating context analyzers determining the operating context.Type: ApplicationFiled: July 28, 2022Publication date: February 1, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Suresh Munagapati, Richard A. Range, JR., Umer Khalid, Gwendolyn C. Melton, Russell A. Patenaude
