Patents Assigned to GM
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Patent number: 11992874Abstract: A method to manufacture a ceramic foam filter includes: sintering a filter body to a temperature greater than a molten metal to be filtered through the body; creating multiple tortuous path channels extending through the filter body individually having a repeated and controlled passage geometry creating a continuously changing diameter and area of a flow path through the multiple tortuous path channels causing localized increases and decreases in molten metal flow rate through the multiple tortuous path channels; and applying a mixture of at least one ceramic powder and at least one binder using additive manufacturing to shape the filter body including the multiple tortuous path channels.Type: GrantFiled: May 4, 2021Date of Patent: May 28, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Qigui Wang, Andrew Thomas Cunningham, Zach Steffes, Jeffrey B. Harris, Brennon L. White, Liang Wang
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Patent number: 11994085Abstract: An additive manufactured piston having a crown portion and a skirt portion form of an aluminum-cerium-silicon alloy. The piston includes a least one recess pocket in an unstressed region located at an interface between an inner surface of the crown portion and an outer surface of the skirt portion. The skirt portion includes an outer panel surface defining an external rib adjacent a peripheral end surface, at least one stiffening rib extending from a pin boss to a skirt end, and a wall thickness of between 0.2 mm and 1.0 mm in a region between the external rib and the at least one stiffening rib. The skirt portion further includes an internal first rib having a width W1 on a thrust side portion and an internal second rib having a width W2 located on an anti-thrust side portion, in which W1 is greater than W2.Type: GrantFiled: June 28, 2022Date of Patent: May 28, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Ronald John Petrus, Jared Matthew Satkowiak, Hsiao F. Wong, Kenneth E. Schroeder, Qigui Wang, Richard D. Ricchi
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Patent number: 11995989Abstract: To visualize planned behavior of an autonomous vehicle (AV) traveling along a roadway, a user interface engine receives data describing a planned pathway of the AV along the roadway and object data describing an object having a predicted pathway crossing the planned pathway of the AV at a cross point. The user interface engine classifies the object either an asserting object or a yielding object based on a prediction of whether the object reaches the cross point before the AV or after the AV. The user interface engine generates an image that includes the planned pathway of the AV and the object in the environment of the AV. The image of the object indicates whether the object is classified as an asserting object or a yielding object.Type: GrantFiled: March 31, 2020Date of Patent: May 28, 2024Assignee: GM Cruise Holdings LLCInventors: Brian Laurence Clark, Michael Alan Huff, Flavius Popescu, Chad Lawrence Bettencourt, Tejeswara Reddy Pogula, Yuxi Zhang, Jiajian Zhou, Christophe Philippona, Tal Benisty, Myung Jin Kim
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Patent number: 11993287Abstract: The subject disclosure relates to techniques for optimizing autonomous vehicle activities at a fleet level. A process of the disclosed technology can include measuring a first set of cost metrics for a first plurality of autonomous vehicles (AVs) associated with a first vehicle routing version, wherein the first set of cost metrics comprises energy consumption values for two or more of the first plurality of AVs, measuring a second set of cost metrics for a second plurality of AVs associated with a second vehicle routing version, wherein the second set of cost metrics comprises energy consumption values for two or more of the second plurality of AVs, and comparing the first set of cost metrics with the second set of cost metrics to determine routing updates configured to reduce fleetwide energy consumption.Type: GrantFiled: April 29, 2021Date of Patent: May 28, 2024Assignee: GM Cruise Holdings LLCInventors: Kyle Vogt, Thomas Busser, Benjamin Dunkin
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Patent number: 11995603Abstract: The present technology pertains to utilizing an autonomous transportation service to deliver items offered for sale in a peer-to-peer marketplace. The peer-to-peer marketplace can include an integration that will offer autonomous transportation and direct a buyer and seller to enter locations for pick-up and drop-off, respectively. The autonomous transportation system can transport the item from the seller to the buyer.Type: GrantFiled: June 21, 2019Date of Patent: May 28, 2024Assignee: GM Cruise Holdings LLCInventor: Mohamed Mostafa ElShenawy
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Publication number: 20240166232Abstract: A system and method are provided for controlling a vehicle. In one embodiment, a system includes: a sensor system configured to generate sensor data sensed from an environment of the vehicle; and a control module configured to, by a processor, based on the sensor data, identify a gap in a lane line on a roadway in front of the vehicle, determine at least two points within the gap, determine a curve between the at least two points, compute a correlation measure based on the curve, generate lane stitching data based on data based on the curve and an evaluation of the correlation measure, and controlling one or more components of the vehicle based on the stitching data.Type: ApplicationFiled: November 22, 2022Publication date: May 23, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Ami Woo, Tushita Arun Sikder, Amirreza Mirbeygi Moghaddam, Mohammadali Shahriari, Reza Zarringhalam
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Publication number: 20240166236Abstract: A computer system for filtering autonomous driving scenarios for simulations includes circuitry and a graphical processing unit (GPU). The circuitry receives data encoding a first autonomous driving scenario, and generates a first embedding of the first autonomous driving scenario based on a model for transforming autonomous driving scenario data to an embedding. A GPU compares the first embedding to a test bank of embeddings representing other autonomous driving scenarios. If the first embedding has at least a threshold similarity to other embeddings in the test bank, the first autonomous driving scenario is discarded from a simulation pipeline for simulating autonomous driving scenarios.Type: ApplicationFiled: November 17, 2022Publication date: May 23, 2024Applicant: GM Cruise Holdings LLCInventors: Alessandro Iyra, Vivek Rangaswamy
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Publication number: 20240167506Abstract: A system for protecting a prefinished rotor journal of a rotor during a manufacturing process is provided. The system includes a manufacturing fixture. The fixture includes a plurality of supply lines providing a plurality of pressurized flows. The fixture further includes a plurality of static flow bearings configured for suspending the prefinished rotor journal between the plurality of static flow bearings without the prefinished rotor journal contacting the plurality of static flow bearings. Each of the static flow bearings includes a central duct receiving one of the plurality of pressurized flows. The central duct is configured for directing the one of the plurality of pressurized flows at the prefinished rotor journal.Type: ApplicationFiled: November 22, 2022Publication date: May 23, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Joseph G. Lovasz, Scott A. Hucker, Shane E. Bremer
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Publication number: 20240171111Abstract: Apparatus and techniques for analyzing a capacitance value in an electric motor inverter are disclosed. A processor is coupled to a DC-AC inverter, which includes a capacitor across its terminals and is powered by a battery. The processor performs resistor switching to enable singular, periodic measurement of the capacitance. The measured value is compared with a nominal or beginning of life (BOL) value. An alert may be sent if the capacitance has degraded beyond a threshold. In other aspects, the DC torque ripple envelop is used to measure capacitance. The outcome is compared with the other tests to assess consistency. An inconsistent outcome may identify potential resistor degradation.Type: ApplicationFiled: November 18, 2022Publication date: May 23, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Muhammad H. Alvi, Khorshed Mohammed Alam, Jiyu Zhang, Chunhao J. Lee, Brian A. Welchko
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Publication number: 20240172301Abstract: A system for vehicle Bluetooth pairing is provided. The system includes a smartphone configured for Bluetooth communication. The system further includes a vehicle including a computerized pairing operation controller configured for Bluetooth communication. The computerized pairing operation controller includes programming to emit a notification signal detectable by the smartphone. The smartphone includes programming to establish proximity to the vehicle based upon the notification signal and establish a Bluetooth low energy connection to the vehicle based upon establishing the proximity. The computerizing pairing operation controller further includes programming to automatically set up a Bluetooth connection after the Bluetooth low energy connection is established.Type: ApplicationFiled: November 17, 2022Publication date: May 23, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Anurag Chelamchirayil Muraleedharan, Jarvis Chau
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Publication number: 20240165732Abstract: A method for resistance welding at least three steel sheets, a weld structure produced by resistance welding at least three steel sheets and a method for determining weldability solutions when resistance welding at least three steel sheets in a stack are provided. By applying a layer of adhesive/sealer material between a thicker outer sheet of steel and an adjacent thicker inner sheet, thereby generating extra heat that increases penetration into a thinner outer sheet but with no layer of adhesive/sealer material between a thinner outer sheet and an adjacent thicker inner sheet, current density drop issues of a current process are addressed.Type: ApplicationFiled: November 22, 2022Publication date: May 23, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Pei-Chung Wang, Anthony J. DiCocco, Zhenke Teng, Nicholas A. Brizes
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Publication number: 20240171568Abstract: Malicious users (or hackers) can take advantage of user devices on or communicably connected to an autonomous vehicle (AV) to gain unauthorized access to AV subsystems (e.g., AV compute system, AV sensors, AV controls system, and AV cabin system). To address this concern, a one-way Ethernet communication link can be placed between the AV subsystems and the user devices. The one-way communication link can physically ensure that the user devices may only receive content from the AV systems, and that the user devices may not send data to the AV systems on the one-way communication link. A feature-limited backchannel that may be normally used for transporting audio data on a daisy-chained bus can be used by the user devices to transmit (8-bit) code words that correspond to specific messages to convey messages back to the AV systems.Type: ApplicationFiled: November 21, 2022Publication date: May 23, 2024Applicant: GM Cruise Holdings LLCInventors: Christopher Valasek, Charles Miller
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Publication number: 20240169112Abstract: Systems and methods for improving an end-to-end (E2E) vehicle simulation in replicating a real-world driving scene based on a continuous feedback loop are provided. For example, a method includes receiving first data collected from a real-world driving scene, the first data associated with the real-world driving scene and a performance of a real-world vehicle in the real-world driving scene; and adjusting, for a current iteration, a parameter associated with an E2E vehicle simulation that simulates operations of a simulated vehicle driving in a simulated driving scene, wherein the adjustment is based on a fidelity value of the E2E vehicle simulation in a previous iteration, and the fidelity value is based on a comparison between second data collected from the E2E simulation in the previous iteration and the first data.Type: ApplicationFiled: November 18, 2022Publication date: May 23, 2024Applicant: GM Cruise Holdings LLCInventors: Spyridon Zafeiropoulos, Luke Murchison, Lynn Marie Sarcione, Michael Hamilton
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Publication number: 20240169035Abstract: Restrictions at launch-time can ensure that specific types of AV stacks are launched and ensure the software release is launched only during certain times. Restrictions at runtime can ensure that certain operations are prohibited while the software release is running on the autonomous vehicle. Enforcing restrictions at launch-time and runtime is not trivial. A schema can be used to encode the restrictions. Restrictions may be included in a manifest of the software release. The manifest having the restrictions can be cryptographically signed. Components can be implemented to verify and enforce these restrictions on the AV. As a result, more kinds of restrictions and more complex restrictions can be applied for software releases for the AV.Type: ApplicationFiled: November 21, 2022Publication date: May 23, 2024Applicant: GM Cruise Holdings LLCInventors: Collin Mulliner, Graziano Misuraca, George Albertson, Liam Staskawicz
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Publication number: 20240170703Abstract: Membrane electrode assemblies for fuel cells and components thereof are provided. In one example, a membrane electrode assembly includes a generally planar gas-permeable body having opposed first and second faces defining in-plane directions and a through-plane direction, a side face extending about an outer perimeter of the body and adjoining each of the first and second faces, and an active region bounded in the through-plane direction by the first and second faces and in the in-plane directions by an active region perimeter defined generally within the outer perimeter. The active region includes a distribution of a composite compound additive dispersed across at least one of the in-plane and through-plane directions. The composite compound additive includes a metal oxide-containing sub-compound and a tungsten-containing sub-compound.Type: ApplicationFiled: November 17, 2022Publication date: May 23, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Ruichun Jiang, Zhongyi Liu, Nicholas P.W. Pieczonka
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Publication number: 20240166147Abstract: An apparatus is described and includes an integrated circuit (IC) package, the IC package comprising an automotive-grade IC package for automotive applications, the IC package comprising a first chiplet; a second chiplet electrically connected to the first chiplet via a plurality of communications channels; and a monitoring feedback bus for providing information regarding health of the communications channels from the second chiplet to the first chiplet.Type: ApplicationFiled: November 18, 2022Publication date: May 23, 2024Applicant: GM Cruise Holdings LLCInventors: Alan Carr, Chirinjeev Singh
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Publication number: 20240169126Abstract: Systems and methods for evaluating a fidelity of a simulation in replicating a real-world driving scene are provided. A computer-implemented system including one or more non-transitory computer-readable media storing instructions, when executed by one or more processing units, cause the one or more processing units to perform operations including receiving first data collected from a reference driving scene, the first data associated with the reference driving scene and a driving behavior of a first vehicle in the reference driving scene; receiving second data collected from a driving simulation that generates a simulated driving scene and operations of a second vehicle in the simulated driving scene, wherein the simulated driving scene is a simulation of the reference driving scene; and determining a fidelity of the driving simulation based on a comparison between the first data and the second data.Type: ApplicationFiled: November 18, 2022Publication date: May 23, 2024Applicant: GM Cruise Holdings LLCInventors: Spyridon Zafeiropoulos, Luke Murchison, Lynn Marie Sarcione, Michael Hamilton
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Publication number: 20240170720Abstract: An electrochemical cell that cycles lithium ions includes a first electrolyte, a second electrode, a separating layer disposed between the first layer and the second layer. The first electrolyte includes a nickel-rich positive electroactive material that includes greater than or equal to about 80 mass % of nickel (Ni). The second electrode includes a silicon-based negative electroactive material. The electrochemical cell also includes an electrolyte in contact with at least one of the nickel-rich positive electroactive material in the first electrode and the silicon-based negative electroactive material in the second electrode. The electrolyte includes greater than or equal to about 1.5 wt. % to less than or equal to about 5 wt. % of an electrolyte additive. The electrolyte includes one or more isocyanate functional groups.Type: ApplicationFiled: November 23, 2022Publication date: May 23, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Chuanlong WANG, Xiaosong HUANG
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Patent number: D1028810Type: GrantFiled: November 15, 2022Date of Patent: May 28, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Louis D. Thole, Gary W. Ruiz, Jingxu Zhan, Raphael M. Molina
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Patent number: D1029320Type: GrantFiled: August 25, 2022Date of Patent: May 28, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Feng Wang
