Patents Assigned to GLOBAL TECHNOLOGY OPERATIONS LLC
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Patent number: 11609279Abstract: Vehicles and related systems and methods are provided for monitoring health of a power conversion module. A method involves operating the power conversion module to conduct a heating current until reaching a steady-state temperature, obtaining measurement data for an electrical characteristic associated with the power conversion module after reaching the steady-state temperature, determining a current thermal characterization curve for the power conversion module based on the measurement data and comparing the current thermal characterization curve to one or more reference thermal characterization curves for the power conversion module to identify a deviation associated with the current thermal characterization curve.Type: GrantFiled: March 9, 2022Date of Patent: March 21, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Jinming Xu
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Patent number: 11608034Abstract: A vehicle cleaning system for cleaning a vehicle including a processor and a memory including computer-executable instructions that, when executed by the processor, cause the processor to perform operations. The operations include determining that a passenger compartment of the vehicle requires cleaning and identifying a type of cleaning required. The operations also include that at least one of a fragrance system, a dry particulate removal system, and a wet particulate removal system is activated in response to the type of cleaning required.Type: GrantFiled: June 6, 2019Date of Patent: March 21, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Chen Zhou, Prakash Mohan Peranandam, Jianfeng Wang
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Patent number: 11607978Abstract: A seat accessory for an automobile vehicle includes a seat accessory configuration oriented to be releasably deposited onto a seat base and a seat back of an automobile vehicle seat when the seat back is positioned in a seat back fully reclined and horizontal position. The seat accessory includes a seat base contact portion defining a triangular-shape positioned onto the seat base. A seat back contact portion defining a triangular-shape is positioned onto the seat back. A connecting member directly connects the seat base contact portion to the seat back contact portion.Type: GrantFiled: March 29, 2021Date of Patent: March 21, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Oscar B. Tache, Bruce L. Stone
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Patent number: 11608547Abstract: An enhanced aluminum alloy galvanically compatible with a magnesium alloy component is disclosed. The aluminum alloy comprises aluminum, less than 0.2 weight percent copper, less than 0.2 weight percent iron, 6.0 to 9.0 weight percent silicon, 0.6 to 1.5 weight percent magnesium, and greater than 0.8 weight percent manganese. The aluminum alloy further comprises less than 2 weight percent zinc, less than 0.1 weight percent nickel, less than 0.2 weight percent tin, less than 0.05 weight percent titanium; and 0.008 to 0.02 weight percent strontium. Manganese and iron have a weight ratio of at least 30:1. Furthermore, iron and manganese combined content is less than 2.0 weight percent.Type: GrantFiled: April 7, 2021Date of Patent: March 21, 2023Assignee: GM Global Technology Operations LLCInventors: Wenying Yang, Qigui Wang, Ming Liu
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Patent number: 11608079Abstract: One general aspect includes a system to prevent a boxed-in driving situation, the system including: a memory configured to include one or more executable instructions and a processor configured to execute the executable instructions, where the executable instructions enable the processor to detect a preventable box-in driving situation; and, based on the detection of the preventable box-in driving situation, adjust a location of a trigger threshold along a vehicle path.Type: GrantFiled: June 9, 2020Date of Patent: March 21, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jeffrey S. Parks, Namal P. Kumara, Paul A. Adam
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Publication number: 20230077943Abstract: Methods of making a negative electrode material for an electrochemical cell that cycles lithium ions is provided. The method may include centrifugally distributing a molten precursor comprising silicon, oxygen, and lithium by contacting the molten precursor with a rotating surface in a centrifugal atomizing reactor. The molten precursor is formed by combining lithium, silicon, and oxygen. For example, the precursor may be formed from a mixture comprising silicon dioxide (SiO2), lithium oxide (Li2O), and silicon (Si). The method may further include solidifying the molten precursor to form a plurality of substantially round solid electroactive particles comprising a mixture of lithium silicide (LiySi, where 0<y?4.4) and a lithium silicate (Li4SiO4) and having a D50 diameter of less than or equal to about 20 micrometers.Type: ApplicationFiled: September 13, 2021Publication date: March 16, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Zhongyi LIU, Xiaosong HUANG, Bradley R. FRIEBERG
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Publication number: 20230083968Abstract: A vehicle configured to execute one or more methods for detecting function of a charging receptacle during a charging cycle. The methods include supplying a charging current through the pins; monitoring a pin temperature of the pins during the charging current; and applying a first step function to the charging current. The methods may also include monitoring a first step change in the pin temperature during the first step function; comparing the first step change in the pin temperature to a first expected temperature change to create a first deviation; and comparing the first deviation to a predetermined threshold. If the first deviation exceeds the predetermined threshold, signaling a maintenance alert, and if the first deviation is less than the predetermined threshold, logging the first deviation.Type: ApplicationFiled: September 15, 2021Publication date: March 16, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Hamed Kazemi, Milad Jalaliyazdi, Seyedmohammad Hosseini
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Publication number: 20230077673Abstract: Systems and methods for controlling a vehicle are provided. The systems and methods include a sensor system and a processor configured to execute program instructions, to cause the at least one processor to: receive yaw rate values, lateral acceleration values and longitudinal velocity values for the vehicle from the sensor system, determine side slip angle parameter values based on the yaw rate values, lateral acceleration values and longitudinal velocity values, determine phase portrait angles based on the side slip angle parameter values and the yaw rate values, wherein the phase portrait angles each represent an angle between yaw rate and side slip angle for the vehicle in a phase portrait of yaw rate and side slip angle, detect or predict vehicle instability based at least on the phase portrait angles, and when vehicle instability is detected or predicted, control motion of the vehicle to at least partly correct the vehicle instability.Type: ApplicationFiled: September 14, 2021Publication date: March 16, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Ehsan Asadi, Seyedeh Asal Nahidi, SeyedAlireza Kasaiezadeh Mahabadi, Yubiao Zhang, Hualin Tan, Naser Mehrabi
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Publication number: 20230079933Abstract: Systems and methods for determining whether a vehicle is in an understeer or oversteer situation. The system includes a controller circuit coupled to an IMU and an EPS, and programmed to: calculate, for a steered first axle, an axle-based pneumatic trail for using IMU measurements and EPS signals and estimate a saturation level as a function of a distance between the axle-based pneumatic trail and zero. The system estimates, for an unsteered second axle, an axle lateral force curve with respect to a slip angle of the second axle, and a saturation level as a function of when the axle lateral force curve with respect to the slip angle transitions from positive values to negative values. The saturation level of the first axle and the second axle are integrated. The system determines that the vehicle is in an understeer or oversteer situation as a function of the integrated saturation levels.Type: ApplicationFiled: September 8, 2021Publication date: March 16, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Naser Mehrabi, Saurabh Kapoor, Seyedeh Asal Nahidi, SeyedAlireza Kasaiezadeh Mahabadi, James H. Holbrook, Hualin Tan, Bakhtiar B. Litkouhi
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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: 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: 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: 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: 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: 11603925Abstract: Presented are clutch control systems for torque converter (TC) assemblies, methods for making/operating such TC assemblies, and vehicles equipped with such TC assemblies. A TC assembly includes a housing that drivingly connects to an electric motor, and an output member that drivingly connects to a multi-gear transmission. Rotatable within the TC housing are a turbine attached to the TC output member and an impeller juxtaposed with the turbine. A lockup clutch is operable to lock the housing to the output member. A system controller is programmed to receive a shift signal to shift the powertrain from a neutral or park operating mode to a forward driving operating mode; responsive to receipt of this shift signal, the lockup clutch is opened. The system controller then receives a TCC lock signal to lock the lockup clutch; responsive to receipt of the TCC lock signal, the lockup clutch is closed.Type: GrantFiled: December 23, 2021Date of Patent: March 14, 2023Assignee: GM Global Technology Operations LLCInventors: Chunhao J. Lee, Norman K. Bucknor, Dongxu Li, Chengwu Duan, Lei Hao
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Patent number: 11603134Abstract: A frame for a vehicle includes a bumper support frame member, and a longitudinal frame member coupled to the bumper support frame member. The longitudinal frame member includes a rail member having an asymmetric crash response.Type: GrantFiled: October 8, 2020Date of Patent: March 14, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Bradley Leier, Mohammed N. Shaik, Ron J. Taulbee, Mohamed Darsot
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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: 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: D981305Type: GrantFiled: March 19, 2021Date of Patent: March 21, 2023Assignee: GM Global Technology Operations LLCInventor: Bradley Kasper
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Patent number: D981307Type: GrantFiled: March 26, 2021Date of Patent: March 21, 2023Assignee: GM Global Technology Operations LLCInventor: Scott P. Wassell