Patents Assigned to GLOBAL TECHNOLOGY OPERATIONS LLC
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Patent number: 11820437Abstract: An aerodynamic deflector on the vehicle is repositionable. An actuator is coupled with the aerodynamic deflector. A controller configured to: detect a performance mode of operation of the vehicle; determine a requested lateral acceleration; calculate a control adjustment of the aerodynamic deflector to generate a downforce to achieve the requested lateral acceleration and maximize lateral grip of the vehicle; and operate the actuator to effect the control adjustment of the aerodynamic deflector to generate the downforce on the vehicle.Type: GrantFiled: November 24, 2020Date of Patent: November 21, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Seyedeh Asal Nahidi, Saurabh Kapoor, SeyedAlireza Kasaiezadeh Mahabadi, Naser Mehrabi, James H. Holbrook, Hualin Tan, Bakhtiar B. Litkouhi
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Patent number: 11821384Abstract: A method to manufacture an automobile vehicle engine aluminum piston, comprises: printing an aluminum piston crown portion including an additive manufacturing (AM) piston crown work piece using initial aluminum powders defining an initial aluminum powder bed; removing the aluminum piston crown portion from the initial aluminum powder bed; fixedly joining a cast iron ring carrier to the AM piston crown work piece; placing the aluminum piston crown portion together with the cast iron ring carrier into a secondary and a tertiary aluminum powder bed; and printing a piston skirt integrally connected to the AM piston crown work piece and to the cast iron ring carrier.Type: GrantFiled: April 28, 2022Date of Patent: November 21, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Qigui Wang, Jeffrey B. Harris, Ante Tony Lausic, Paul J Wolcott, Dale A. Gerard, Tyson Whittier Brown
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Patent number: 11820426Abstract: A method of controlling a vehicle includes determining a first projected path of the vehicle, receiving sensor data corresponding to a steering input, determining a first blended vehicle path resulting from a first blended steering command based on the first projected path and the sensor data, and determining when the first blended vehicle path satisfies a first criteria. When the controller determines that the first blended vehicle path satisfies the first criteria, the controller relinquishes control of the vehicle to an operator and when the controller determines that the first blended vehicle path does not satisfy the first criteria, the controller generates a second blended vehicle path resulting from a second blended steering command based on the first projected path and the sensor data.Type: GrantFiled: October 29, 2020Date of Patent: November 21, 2023Assignee: GM Global Technology Operations LLCInventors: Alexander J. Dan, Brian N. Siskoy, Adam J. Kloess
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Publication number: 20230369948Abstract: A method to suppress tonal noises over a wide speed range in an alternating current electric machine by current injection and voltage injection is provided. The method includes, within a computerized processor, monitoring a position sensor measuring a current electric machine frequency of the electric machine, comparing the current electric machine frequency to a sampling frequency of the position sensor, and operating one of a current injection mode and a voltage injection mode to suppress the tonal noises in the electric machine based upon the comparing.Type: ApplicationFiled: May 13, 2022Publication date: November 16, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Vinod Chowdary Peddi, Song He
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Publication number: 20230365017Abstract: Presented are direct-current fast charger (DCFC) systems for fuel cell vehicles, methods for making/using such systems, and electric-drive vehicles equipped with fuel cell systems (FCS) and on-board DCFC systems. An on-board DCFC system mounts to a host vehicle and includes an electrical connector that electrically couples the host vehicle’s FCS system to multiple distinct transferee vehicles. A high-voltage (HV) distribution unit contains an HV bus circuit that electrically connects to the host vehicle’s FCS system and electrified powertrain. A DC-to-DC converter is electrically connected to the HV bus circuit to thereby receive an output voltage from the FCS via the HV distribution unit. The DC-to-DC converter modulates the FCS voltage to a recharge voltage of a transferee vehicle.Type: ApplicationFiled: May 10, 2022Publication date: November 16, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Douglas Hildebrand Oi
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Publication number: 20230367098Abstract: Methods and systems are provided for controlling a position of a lens of a camera of a vehicle. In one embodiment, a method includes: storing, in a data storage device, a first lens position associated with the lens of the camera; receiving, by a processor, sensor data generated by at least one sensor of the vehicle; determining, by the processor, a desire for a change in lens position based on the sensor data; selecting, by the processor, the camera from a plurality of cameras of the vehicle based on the desire for change in lens position; determining, by the processor, a second lens position based on conditions associated with the desire for the change in lens position and the first lens position; and generating, by the processor, control data to control the position of the lens based on the second lens position.Type: ApplicationFiled: May 16, 2022Publication date: November 16, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Brian Yousif-Dickow, Andrew W Averhart, Sai Vishnu Aluru, Sravan Daruri
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Publication number: 20230370701Abstract: An optical sensor system operative for receiving, by a processor, a first image captured by a visible light camera, determining a value of a characteristic of the first image, determining an environmental condition in response to the value being less than a threshold, activating an infrared camera in response to the environmental condition, capturing a second image by the visible light camera and a third image by the infrared camera, generating a fused image in response to the second image and the third image, detecting an object in response to the fused image, and controlling a vehicle in response to the detection of the object.Type: ApplicationFiled: May 10, 2022Publication date: November 16, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Sai Vishnu Aluru, Brian Yousif-Dickow
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Publication number: 20230367305Abstract: In accordance with exemplary embodiments, methods and systems are provided for designing a manufacturing system. In an exemplary embodiment, a method for designing a manufacturing system includes: identifying a potential hazard for the manufacturing system; evaluating, via a processor, the potential hazard with respect to a plurality of possible injuries associated with the potential hazard; and providing output, via instructions provided by the processor, with respect to the potential hazard based on the evaluating of the potential hazard with respect to the plurality of possible injuries associated with the potential hazard.Type: ApplicationFiled: May 12, 2022Publication date: November 16, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Rodney Lee, Peter M. Hannish
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Publication number: 20230367310Abstract: A telepresence system for a motor vehicle includes a first telecommunication device arranged on the vehicle for receiving audio and video data from a remote source via a second telecommunication device. The system also includes an audio speaker arranged on the vehicle exterior for reproducing the received audio data and a visual display device facing the vehicle exterior for displaying the video data toward an environment surrounding the vehicle. The system additionally includes a microphone for capturing sound proximate the vehicle and communicating the captured sound to the first telecommunication device. The system further includes a camera for generating an image of the surrounding environment and communicating the generated image to the first telecommunication device.Type: ApplicationFiled: May 12, 2022Publication date: November 16, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Brian V. Castillo
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Publication number: 20230371072Abstract: A wireless communication system for a vehicle includes a wireless access point (AP), an ultra-wide band (UWB) system, a communication link, a controller, and a vehicle system. The UWB system is in communication with the wireless AP via a communication link. The wireless communication system is operable to detect, via the wireless AP, a request for localized wireless communication. The UWB system requests the wireless AP to generate a clear to send (CTS) transmission, which includes selecting an ultra-wide band (UWB) channel, mapping the UWB channel to a plurality of WiFi channels, and transmitting, by the wireless AP, the CTS transmission to each of the plurality of WiFi channels. The UWB system then transmits a UWB message.Type: ApplicationFiled: May 13, 2022Publication date: November 16, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Aaron Adler, Lakshmi V. Thanayankizil, Djordje Preradovic
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Publication number: 20230365124Abstract: Systems and methods of alerting an occupant of a vehicle to an obstacle to a side of the vehicle. The systems and methods include receiving turn indicating data from at least one vehicle system, receiving perception data from a perception system of the vehicle, predicting a vehicle turn based on the turn predicting data, generating an obstacle alert, which is output through an output device of the vehicle, when an obstacle is detected within a first sized detection zone or a second sized detection zone using the perception data, and switching from using the first sized detection zone to using the second sized detection zone for generating the obstacle alert in response to predicting the vehicle turn. The second sized detection zone is extended as compared to the first sized detection zone.Type: ApplicationFiled: May 12, 2022Publication date: November 16, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Mohammadali Shahriari, Vaibhav J Lawand, Hassan Askari, Rakesh Kumar, Ricky Lin
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Publication number: 20230369738Abstract: An optically transparent coplanar microwave slot antenna is provided including a conductive mesh and a feedline connectively coupled to the conductive mesh wherein the conductive mesh includes a plurality of Christmas tree shaped slots arranged in a dipole configuration wherein each of the plurality of Christmas tree shaped slots is formed from a triangular slot, a trapezoidal slot and a rectangular slot.Type: ApplicationFiled: May 11, 2022Publication date: November 16, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Sara Kaffash, Farhad Sheikh Hosseini Lori, William Hsiahua Wang, Hongguang Sun
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Publication number: 20230369568Abstract: A positive electrode material is provided. The positive electrode material includes an electroactive material core and an electrochemically active coating that surrounds the electroactive material core. The electroactive material core includes Li1+xM1?xO2, where 0?x?0.5 and M is selected from the group consisting of: nickel (Ni), manganese (Mn), iron (Fe), tungsten (W), molybdenum (Mo), vanadium (V), zirconium (Zr), niobium (Nb), aluminum (Al), magnesium (Mg), and combinations thereof. The electrochemically active coating includes Li1+xM?1?xO2, where 0?x?0.2 and M? is selected from the group consisting of: nickel (Ni), manganese (Mn), iron (Fe), tungsten (W), molybdenum (Mo), vanadium (V), zirconium (Zr), niobium (Nb), aluminum (Al), magnesium (Mg), and combinations thereof. The electrochemically active coating is a distinct composition from the electroactive material core.Type: ApplicationFiled: May 11, 2022Publication date: November 16, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Gongshin QI, Wei LI
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Publication number: 20230365018Abstract: A system for charging an electric vehicle in a facility includes a current sensor adapted to obtain an input current signal for a power source in the facility. An electric vehicle supply equipment (EVSE) is configured to charge the electric vehicle through the power source based at least partially on a control pilot signal. A controller has a processor and tangible, non-transitory memory on which instructions are recorded for dynamically adjusting the control pilot signal based on the input current signal. The control pilot signal is set to a predefined maximum when the input current signal is less than a main circuit breaker rating of the facility. The controller is configured to reduce the control pilot signal from the predefined maximum when the input current signal is at or above the main circuit breaker rating.Type: ApplicationFiled: May 10, 2022Publication date: November 16, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Douglas S. Cesiel, Samantha Gunter Miller
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Publication number: 20230368345Abstract: Systems, methods, and apparatus are provided for real-time adjustment of image quality parameters. The system includes a controller configured to: acquire an image frame, having a fixed-pixel region that defines a region-of-interest, from one or more imaging devices; apply image processing techniques to determine a modified fixed-pixel region that excludes non-relevant object pixels; alter one or more image quality parameters based on statistics of pixels in the modified fixed-pixel region; and provide the altered one or more image quality parameters to the one or more imaging devices for use with subsequent image frames; wherein the one or more imaging devices produce an image that is tuned, based on the altered one or more image quality parameters, to the portions of the image in the region-of-interest that does not include the non-relevant object pixels.Type: ApplicationFiled: May 10, 2022Publication date: November 16, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Sai Vishnu Aluru, Justin Keith Francisco, Joseph G. Machak, Eyal Lubelski
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Publication number: 20230369789Abstract: A battery clamp system for a battery includes a terminal receiving portion configured to be coupled to a terminal of the battery. The battery clamp system includes an anti-rotation projection coupled to the terminal receiving portion. The anti-rotation projection is configured to be coupled to the battery. The anti-rotation projection extends along an axis that is parallel to a longitudinal axis of the battery clamp system. The battery clamp system includes a first flange coupled to the terminal receiving portion that extends along a first flange axis substantially perpendicular to the longitudinal axis. The battery clamp system includes a second flange coupled to the terminal receiving portion so as to be spaced apart from the first flange. The first flange is configured to cooperate with the second flange to couple the terminal receiving portion to the battery.Type: ApplicationFiled: May 12, 2022Publication date: November 16, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Andrew Hemphill, Mahantesh S. Parashetti, Lyall Kenneth Winger
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Patent number: 11817750Abstract: A planar power module includes a second substrate arranged parallel to a first substrate, with the substrates respectively having a dielectric layer interposed between two conductive layers, such that one of the conductive layers of each substrate together forms parallel external conductive surfaces of the power module. The power module includes direct current (DC) bus bars, alternating current (AC) bus bars, and semiconductor switching dies arranged between the substrates. The dies are electrically connected to the bus bars, with each respective die electrically connected to a conductive layers of the first or second substrates. A polymer molding material partially surrounds the substrates and the switching dies. An electric powertrain system includes an electric machine, a propulsion battery pack, and a traction power inverter module (TPIM) having the power module. The power module is a three-phase full-bridge inverter circuit. An electric powertrain and motor vehicle use the power module.Type: GrantFiled: January 14, 2021Date of Patent: November 14, 2023Assignee: GM Global Technology Operations LLCInventors: Ming Liu, Anthony M. Coppola, Muhammad H. Alvi
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Patent number: 11815930Abstract: A system for actuating a brake pedal and an accelerator pedal of a vehicle by hand. The system includes a planetary gear train having a sun gear, a ring gear, and planetary gears meshed with both the sun gear and the ring gear. The planetary gears are mounted to a carrier. A carrier flange is in cooperation with the carrier to rotate with the carrier. A sun gear flange is in cooperation with the sun gear. Rotation of the sun gear flange rotates the sun gear. A lever is mounted adjacent to the sun gear flange. An accelerator actuation assembly is connected to the lever and configured to couple with the accelerator pedal. A brake actuation assembly is connected to the carrier flange and configured to couple with the brake pedal.Type: GrantFiled: March 22, 2023Date of Patent: November 14, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Kyle Patrick Nolan, Victor Wong, Cameron Tyler Knight
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Patent number: 11814883Abstract: A door for an entryway includes an exterior-facing surface, an inner structure, and a latch mechanism. The latch mechanism is connected to the inner structure and configured to be fastened or released for controlling access to the entryway. The door also includes a key-cylinder accessible from the exterior-facing surface and configured to selectively lock and unlock the latch mechanism. The door additionally includes a pawl configured to be rotated by the key-cylinder about a pivot axis, connected to the latch mechanism, and defining a pass-through aperture distal from the pivot axis. The door also includes a shield defining a shield attachment aperture and connected to the inner structure. The door further includes a security fastener to fix the shield relative to the key-cylinder at the shield attachment aperture and extending through the pass-through aperture without impeding the pawl's rotation or contacting the pawl as the pawl operates the latch mechanism.Type: GrantFiled: March 16, 2021Date of Patent: November 14, 2023Assignee: GM Global Technology Operations LLCInventors: Eric S. Nielsen, Steve J. Briggs, Robert D. Granny, Phillip C. Storck, III, Gavin J. Brownlie, Jr., Mark T. McKiernan, Jeffrey Kenneth Hansen, Yong Sang Cho, Gunghun Jang, Suat Kaya
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Patent number: 11817596Abstract: A rechargeable energy storage includes a battery pack having a plurality of battery modules between a negative terminal and a positive terminal. A backup network is electrically connected between the negative terminal and the positive terminal. The backup network includes a first diode and a second diode. A bypass junction located between a first portion of the battery pack and a second portion of the battery pack. The bypass junction electrically connects the battery pack and the backup network. The backup network is configured such that current flow is directed along a first pathway when open circuit state occurs in the first portion of the battery pack, and the current flow is directed along a second pathway when the open circuit state occurs in the second portion of the battery pack. The backup network enables powering of a designated load and/or a designated function during the open circuit state.Type: GrantFiled: February 4, 2021Date of Patent: November 14, 2023Assignee: GM Global Technology Operations LLCInventors: Calvin Goodman, Li-pen J. Ho