Patent ID: 6625530
Filing Date: 2003-09-23
Classification: B62D

Abstract:
A steer-by-wire control system, comprising:a master control unit; a road wheel unit electrically connected to said master control unit; a steering wheel unit electrically connected to said master control unit; said steerng wheel unit includes a feed forward control path; and said steering wheel unit includes a feed back control path; a vehicle speed sensor for producing a vehicle speed signal, said vehicle speed sensor electrically connected to said master control unit and said steering wheel unit; wherein said road wheel unit includes a road wheel position sensor and a least one tie rod sensor to produce and transmit a tie rod force signal; wherein said steering wheel unit includes a steering wheel position sensor to produce and transmit a steering wheel position signal and a torque sensor to produce and transmit a steering wheel torque signal; and wherein said master control unit generates a steering wheel torque command signal in response to said tie-rod force signal and said vehicle speed signal.