公开(公告)号：US11845444B2

公开(公告)日：2023-12-19

申请号：US17464145

申请日：2021-09-01

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Jackson Barry McGrory ,  Klaus Trangbaek ,  Zhi Li ,  Mohammadali Shahriari ,  Patrick Giancarlo Gabriel Digioacchino

IPC: B60W40/10 ,  B60W30/02 ,  B60W40/13

CPC classification number: B60W40/10 ,  B60W30/02 ,  B60W40/13 ,  B60W2520/125 ,  B60W2520/14 ,  B60W2552/15

Abstract: A vehicle parameter estimation module is configured to generate a first estimate of a vehicle parameter based on operating conditions of a vehicle measured or estimated at a first time. The vehicle parameter includes at least one of a tire cornering stiffness of the vehicle and an understeer coefficient of the vehicle. The vehicle parameter estimation module is also configured to determine an error value based on the first estimate of the vehicle parameter and values of the vehicle operating conditions measured or estimated at a second time that is later than the first time. The vehicle parameter estimation module is further configured to generate a second estimate of the vehicle parameter based on the first estimate of the vehicle parameter and the error value. A vehicle actuator control module is configured to control an actuator of the vehicle based on the second estimate of the vehicle parameter.

公开(公告)号：US20230064300A1

公开(公告)日：2023-03-02

申请号：US17464145

申请日：2021-09-01

Applicant: GM Global Technology Operations LLC

Inventor： Jackson Barry McGrory ,  Klaus Trangbaek ,  Zhi Li ,  Mohammadali Shahriari ,  Patrick Giancarlo Gabriel Digioacchino

IPC: B60W40/10 ,  B60W30/02 ,  B60W40/13

Abstract: A system includes a vehicle parameter estimation module and a vehicle actuator control module. The vehicle parameter estimation module is configured to generate a first estimate of a vehicle parameter based on operating conditions of a vehicle measured or estimated at a first time. The vehicle parameter includes at least one of a tire cornering stiffness of the vehicle and an understeer coefficient of the vehicle. The vehicle parameter estimation module is also configured to determine an error value based on the first estimate of the vehicle parameter and values of the vehicle operating conditions measured or estimated at a second time that is later than the first time. The vehicle parameter estimation module is further configured to generate a second estimate of the vehicle parameter based on the first estimate of the vehicle parameter and the error value. The vehicle actuator control module is configured to control an actuator of the vehicle based on the second estimate of the vehicle parameter.