Method for providing stability control for a vehicle
First Claim
1. A method for providing stability control for a vehicle having left and right wheels comprising:
- a) calculating a modified desired yaw rate for the vehicle using steer angle, steer angle rate, steer transition state, steer transition time, vehicle speed, lateral acceleration, and estimated surface friction;
b) calculating a modified desired speed difference between the left and right wheels using the modified desired yaw rate, the steer angle rate, roll angle rate, the estimated surface friction, the vehicle speed, and sensed yaw rate; and
c) applying the modified desired speed difference to the left and right wheels.
2 Assignments
0 Petitions
Accused Products
Abstract
A method provides stability control for a vehicle and includes: calculating a modified desired yaw rate for the vehicle using steer angle, steer angle rate, steer transition state, steer transition time, vehicle speed, lateral acceleration, and estimated surface friction; calculating a modified desired speed difference between the left and right wheels using the modified desired yaw rate, the steer angle rate, roll angle rate, the estimated surface friction, the vehicle speed, and sensed yaw rate; and applying the modified desired speed difference to the left and right wheels. Another method calculates an initial desired speed difference between the left and right wheels using the modified desired yaw rate, the estimated surface friction, the vehicle speed, and sensed yaw rate. Another method calculates a filtered initial desired yaw rate for the vehicle using steer angle, vehicle speed, and lateral acceleration.
18 Citations
20 Claims
-
1. A method for providing stability control for a vehicle having left and right wheels comprising:
-
a) calculating a modified desired yaw rate for the vehicle using steer angle, steer angle rate, steer transition state, steer transition time, vehicle speed, lateral acceleration, and estimated surface friction; b) calculating a modified desired speed difference between the left and right wheels using the modified desired yaw rate, the steer angle rate, roll angle rate, the estimated surface friction, the vehicle speed, and sensed yaw rate; and c) applying the modified desired speed difference to the left and right wheels. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. A method for providing stability control for a vehicle having left and right wheels comprising:
-
a) calculating a modified desired yaw rate for the vehicle using steer angle, steer angle rate, steer transition state, steer transition time, vehicle speed, lateral acceleration, and estimated surface friction; b) calculating an initial desired speed difference between the left and right wheels using the modified desired yaw rate, the estimated surface friction, the vehicle speed, and sensed yaw rate; and c) applying the initial desired speed difference to the left and right wheels. - View Dependent Claims (11, 12, 13, 14)
-
-
15. A method for providing stability control for a vehicle having left and right wheels comprising:
-
a) calculating a filtered initial desired yaw rate for the vehicle using steer angle, vehicle speed, and lateral acceleration; b) calculating a modified desired speed difference between the left and right wheels using the filtered initial desired yaw rate, the steer angle rate, roll angle rate, the estimated surface friction, the vehicle speed, and sensed yaw rate; and c) applying the modified desired speed difference to the left and right wheels. - View Dependent Claims (16, 17, 18, 19, 20)
-
Specification