Patent ID: 8055409
Filing Date: 2011-11-08
Classification: B62D

Abstract:
1. A power steering system, comprising: at least one controller that calculates a basic assist control amount based on a detected steered state of a driver's steering wheel, that calculates a compensation control amount used to compensate for the basic assist control amount, the compensation control amount including a damping control amount that is based on a detected steering wheel angle of the driver's steering wheel, and that corrects, during calculation of the compensation control amount, the damping control amount based on a lane-position maintenance assist control amount that is calculated based on a running state of a vehicle and used to maintain a predetermined lane-position, wherein the at least one controller calculates a target assist control amount applied to a steering mechanism based on the basic assist control amount, the lane-position maintenance assist control amount, and the compensation control amount, and wherein the at least one controller applies the target assist control amount to the steering mechanism of the power steering system so as to control operation of the steering mechanism.