Steering control apparatus

Details Steering control apparatus Steering control apparatus

2007-01-23

2007-01-23

Hurley, Kevin (Department: 3611)

Motor vehicles

Steering gear

With electric power assist

C701S042000

Reexamination Certificate

active

11098433

ABSTRACT:
A steering control apparatus of a simple configuration is adaptable so as to construct a redundant system from an input to an output system at low cost in a reliable manner. A torque sensor detects a steering torque, and a motor (3) provides torque to a steering system. A motor drive circuit (56) drives the motor, and a steering control section (53a) calculates at least a target current for the motor based on the steering torque. A motor control section (53b) provides an instruction to the motor drive circuit (56) based on the target current. A steering control verification section (54a) verifies an operation of the steering control section (53a) based on the steering torque and the target current. A motor control verification section (54b) verifies an operation of the motor control section (53b) based on a predetermined state quantity of the motor drive circuit (56) or the motor (3).

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