公开(公告)号：US11829128B2

公开(公告)日：2023-11-28

申请号：US16661126

申请日：2019-10-23

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Yao Hu ,  Wei Tong ,  Wen-Chiao Lin

IPC: G05B23/02 ,  G07C5/08 ,  G05D1/00 ,  H04L67/12 ,  G07C5/00 ,  G06V20/56 ,  G06F18/21 ,  G06V10/98

CPC classification number: G05B23/024 ,  G05B23/0283 ,  G05D1/0055 ,  G05D1/0088 ,  G05D1/0094 ,  G06F18/217 ,  G06V10/993 ,  G06V20/56 ,  G07C5/008 ,  G07C5/0808 ,  H04L67/12

Abstract: A perception system includes a perception module configured to capture first sensor data that includes data from at least one of an external sensor and a camera captured in a first period, a prediction module configured to receive the first sensor data, generate, based on the first sensor data, predicted sensor data for a second period subsequent to the first period, receive second sensor data for the second period, and output results of a comparison between the predicted sensor data and the second sensor data, and a diagnostic module configured to selectively identify a fault in the perception system based on the results of the comparison.

公开(公告)号：US11827293B2

公开(公告)日：2023-11-28

申请号：US17171005

申请日：2021-02-09

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Wen-Chiao Lin ,  Ibrahim A. Badiru ,  Alexander M. Allan ,  Bo Yu ,  Qi Zhang ,  Christopher C. Au

IPC: B62D5/04 ,  B62D3/12

CPC classification number: B62D5/049 ,  B62D3/126 ,  B62D5/0484 ,  B62D5/0487

Abstract: A system comprises a processor and a memory storing instructions which when executed by the processor configure the processor to estimate a rack force for a steering system of a vehicle based on current driving and environmental conditions and estimate a health of an actuator of the steering system of the vehicle. The instructions configure the processor to estimate maximum achievable angle, velocity, and acceleration for the actuator of the steering system based on the estimated rack force and the estimated health of the actuator. The instructions configure the processor to provide to the steering system a path planned for the vehicle based on the estimated maximum achievable angle, velocity, and acceleration for the actuator of the steering system.

公开(公告)号：US20230360408A1

公开(公告)日：2023-11-09

申请号：US17738328

申请日：2022-05-06

Applicant: GM Global Technology Operations LLC

Inventor： Shengbing Jiang ,  Wen-Chiao Lin ,  Zhongyu Yang ,  Yilu Zhang

IPC: G06V20/56 ,  B60W30/12

CPC classification number: G06V20/588 ,  B60W30/12 ,  B60W2420/42 ,  B60W2552/53 ,  B60W2554/4045

Abstract: A vehicle, system method for operating the vehicle is disclosed. The system includes a camera and a processor. The camera is configured to obtain a camera image of a road segment. The processor determines a location of a road edge for the road segment within the camera image, obtains a lane attribute for the road segment, generates a virtual lane mark for the road segment based on the road edge and the lane attribute, and moves the vehicle along the road segment by tracking the virtual lane mark.

公开(公告)号：US20230039636A1

公开(公告)日：2023-02-09

申请号：US17397171

申请日：2021-08-09

Applicant: GM Global Technology Operations LLC

Inventor： Rasoul Salehi ,  Wen-Chiao Lin ,  Sayyed Rouhollah Jafari Tafti ,  Reza Zarringhalam

IPC: B60W60/00 ,  B60W30/095

Abstract: A vehicle and a system method of operating the vehicle is disclosed. The system includes a monitoring module and a mitigation module operating on a processor. The monitoring module is configured to measure a degradation in an operation parameter of the vehicle, the vehicle operating in a first state based on a first value of a set of adaptive parameters. The mitigation module is configured to determine a threat to the vehicle due to operating the vehicle in the first state with the degradation in the operation parameter and adjust the set of adaptive parameters from the first value to a second value that mitigates the threat to the vehicle, wherein the processor operates the vehicle in a second state based on the second value.

公开(公告)号：US20220203999A1

公开(公告)日：2022-06-30

申请号：US17134620

申请日：2020-12-28

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Wen-Chiao Lin ,  Bo Yu

IPC: B60W40/114 ,  B60W40/109 ,  B60D1/30 ,  B62D13/02

Abstract: A system according to the present disclosure includes an actuator control module and a damping ratio module. The actuator control module is configured to control an actuator of a vehicle to cause the vehicle to perform a yaw maneuver by rotating about its yaw axis. The damping ratio module is configured to determine a damping ratio based on an operating parameter measured during the yaw maneuver. The operating parameter includes at least one of a yaw rate of the vehicle, a yaw rate of a trailer connected to the vehicle, a lateral acceleration of the vehicle, a lateral acceleration of the trailer, a heading angle of the vehicle, and a hitch angle between a longitudinal axis of the vehicle and a longitudinal axis of the trailer.

公开(公告)号：US10852340B2

公开(公告)日：2020-12-01

申请号：US16196023

申请日：2018-11-20

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Xinyu Du ,  Wen-Chiao Lin ,  Yilu Zhang

IPC: G01R31/00 ,  B60L3/00 ,  G01R31/3842 ,  G01R31/66 ,  G08B25/00 ,  G08B21/18

Abstract: A vehicle electronics high-resistance fault diagnosis system is provided, as well as a method of detecting and isolating a high-resistance fault in vehicle electronics of a vehicle. The method includes the steps of determining electrical data for one or more portions of the vehicle electronics, wherein the electrical data includes voltage data and/or current data concerning the one or more portions of the vehicle electronics; calculating a resistance for a plurality of resistance sets of the vehicle electronics based on the electrical data, wherein each of the plurality of resistance sets includes one or more electrical components; obtaining a resistance set threshold for each of the plurality of resistance sets of the vehicle electronics; for each of the plurality of resistance sets, evaluating whether the resistance of the resistance set exceeds the resistance set threshold; and based on the evaluating step, identifying one or more high-resistance fault candidates.

公开(公告)号：US10580231B2

公开(公告)日：2020-03-03

申请号：US15995245

申请日：2018-06-01

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Wen-Chiao Lin ,  Jingyan Wan ,  Jian Yao ,  Neeraj S. Shidore ,  Qiangfeng Xiao ,  Ming Yang ,  Paul E. Krajewski

IPC: G07C5/08 ,  G01B7/16 ,  G01L5/00

Abstract: Vehicles and methods are provided for monitoring the health of a substrate and a protective coating disposed on the substrate. A vehicle includes a substrate, a protective coating, a coating deformation sensor, and a controller. The protective coating is disposed overtop the substrate. The coating deformation sensor is operatively coupled with the protective coating and configured to measure a deformation value of the protective coating. The controller is configured to: determine a deformation recovery rate of the protective coating based on the deformation value; determine whether the deformation recovery rate corresponds with an expected recovery rate of the protective coating; and indicate that the protective coating may be impaired in response to determining that the deformation recovery rate does not correspond with the expected recovery rate.

公开(公告)号：US10549773B2

公开(公告)日：2020-02-04

申请号：US15840270

申请日：2017-12-13

Applicant: GM Global Technology Operations LLC

Inventor： Wen-Chiao Lin ,  Xinyu Du ,  Yat-chung Tang

IPC: B62D5/04 ,  B62D6/10

Abstract: A method of operating an electric power steering system installed on a vehicle. The electric power steering system includes a controller that receives a desired assist torque value and supplies a pulse-width modulation duty cycle to an electric motor. The method includes the step of controlling the electric motor to achieve a nominal value of power steering assist torque when the electrical power available to the motor is sufficient to achieve the nominal value of power steering assist torque. The method further includes the step of controlling the electric motor to achieve a reduced value of power steering assist torque less than the nominal value when the electrical power available to the motor is not sufficient to achieve the nominal value of power steering assist torque.

公开(公告)号：US20190389446A1

公开(公告)日：2019-12-26

申请号：US16013203

申请日：2018-06-20

Applicant: GM Global Technology Operations LLC

Inventor： Xinyu Du ,  Dongyi Zhou ,  Mutasim A. Salman ,  Kevin A. Cansiani ,  Xiaoyu Huang ,  Wen-Chiao Lin

IPC: B60T17/22 ,  B60T13/66

Abstract: A method of identifying a fault in a friction brake actuated by hydraulic brake pressure and configured to decelerate a vehicle road wheel includes detecting, via a first sensor, a vibration at the road wheel and communicating data indicative of the detected vibration to a controller. The method additionally includes detecting, via a second sensor, upon application of the hydraulic brake pressure, a hydraulic brake pressure variation and communicating data indicative of the detected hydraulic brake pressure variation. The method additionally includes comparing, via the controller, the data indicative of the detected vibration with a threshold vibration value and the data indicative of the detected hydraulic brake pressure variation with a threshold hydraulic brake pressure value. Furthermore, the method includes generating a sensory signal indicative of the brake fault when magnitudes of the detected vibration and the detected hydraulic brake pressure variation are greater than their respective threshold values.

公开(公告)号：US20190109988A1

公开(公告)日：2019-04-11

申请号：US15725947

申请日：2017-10-05

Applicant: GM Global Technology Operations LLC

Inventor： Wen-Chiao Lin ,  Shengbing Jiang ,  Jinsong Wang

IPC: H04N5/232 ,  G06K9/00 ,  G06T7/33

CPC classification number: H04N5/23238 ,  B60R2300/105 ,  G06K9/00791 ,  G06T7/33 ,  G06T7/85 ,  G06T2207/30252 ,  H04N5/2171 ,  H04N5/23206 ,  H04N5/35721 ,  H04N17/002

Abstract: A method is used to evaluate a camera-related subsystem in a digital network, e.g., aboard a vehicle or fleet, by receiving, via a camera diagnostic module (CDM), sensor reports from the subsystem and possibly from a door sensor, rain/weather sensor, or other sensor. The CDM includes data tables corresponding to subsystem-specific fault modes. The method includes evaluating performance of the camera-related subsystem by comparing potential fault indicators in the received sensor reports to one of the data tables, and determining a pattern of fault indicators in the reports. The pattern is indicative of a health characteristic of the camera-related subsystem. A control action is executed with respect to the digital network in response to the health characteristic, including recording a diagnostic or prognostic code indicative of the health characteristic. The digital network and vehicle are also disclosed.