Patent ID: 6580991
Filing Date: 2003-06-17
Classification: B60T,G05B

Abstract:
A drive by wire control system for a vehicle, the vehicle having at least one front wheel and one rear wheel, comprising:a front brake motor coupled to the at least one front wheel, the front brake motor being actuated in response to receiving control signals; a front brake controller coupled to the front brake motor for generating and delivering the control signals to front brake motor; a rear brake motor coupled to the at least one rear wheel, the rear brake motor being actuated in response to receiving control signals; a rear brake controller coupled to the rear brake motor for generating and delivering the control signals to the rear brake motor; a steering motor coupled to one of the front wheel and the rear wheel for providing steering of the one of the front wheel and the rear wheel; a steering controller coupled to the steering motor, wherein the front brake controller, the rear brake controller, and the steering controller each include first and second microprocessors, one of the first and second microprocessors for providing control of the respective motor; a first communication link coupled to and controlled by the first microprocessors of the front brake controller, the rear brake controller, and the steering controller; and, a second communication link coupled to and controlled by the second microprocessors of the front brake controller, the rear brake controller, and the steering controller, the first and second communication links providing redundant communication between the front brake controller, the rear brake controller, and the steering controller.