| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric power steering control device that realizes moderate steering wheel return property in the whole region, suppresses large increase of developing man day, and provides good steering feeling. SOLUTION: The electric power steering control device comprises a motor for generating torque for assisting the steering of a driver, a steering torque detecting means for detecting a steering torque of the driver, a steering assist torque control means for outputting a steering assist torque signal based on the steering torque detected by the steering torque detecting means, a road surface reaction torque detecting means for detecting a road surface reaction torque received by a tire from the road surface by measurement or calculation, a road surface reaction torque compensating means for outputting a compensation value corresponding to a road surface reaction compensation torque in the direction opposite to that of the road surface reaction torque based on the road surface reaction torque detected by the road surface reaction torque detecting means, and a motor current determining means for determining current supplied to the motor based on the steering assist torque signal and the compensation value. COPYRIGHT: (C)2005,JPO&NCIPI |
