VEHICLE STEERING
1 Assignment
0 Petitions
Accused Products
Abstract
A method and system of providing steering in cruise control, in low friction conditions, at low speed and in low range. Speed of individual vehicle wheels is repeatedly and automatically adjusted to ensure that the actual rate of turn of the vehicle approaches the theoretical rate of turn as demanded by the vehicle driver.
-
Citations
71 Claims
-
1-51. -51. (canceled)
-
52. A method of steering a vehicle in a speed control mode, and comprising substantially continually:
-
detecting steering angle; calculating a theoretical rate of turn of the vehicle appropriate to the detected steering angle; and controlling individually the speed of rotation of vehicle wheels to achieve the theoretical rate of turn; wherein the speed of rotation of the vehicle wheels is controlled by variation of driving torque thereof, and wherein the variation of driving torque comprises increasing or reducing the driving torque to one output of at least one of a differential gear and a driveline clutch. - View Dependent Claims (53, 54, 55, 56, 57, 58, 59)
-
- 60. A control system for steering a vehicle in a speed control mode, the system including a processor having inputs of steering angle and rotational speed of steering wheels, the processor being operable when in the speed control mode to repeatedly calculate theoretical vehicle rate of turn with respect to steering angle, and to control individually vehicle wheel speed to achieve said theoretical rate of turn, wherein the speed of rotation of vehicle wheels is controlled by variation of driving torque thereof, and variation of driving torque comprises increasing or reducing the driving torque to one output of at least one of a differential gear and a driveline clutch.
Specification