Patent ID: 7426428
Filing Date: 2008-09-16
Classification: B62D

Abstract:
1. A steering apparatus for use in a vehicle, in which the steering apparatus includes a steering transmission system for transmitting rotation of a steering wheel to a steered wheel, the steering apparatus comprising: a drive unit arrangable in the steering transmission system for changing a steering angle of the steered wheel; a calculation unit for calculating a control target amount of the steering angle based on a vehicle model; a control unit for controlling the drive unit to change the steering angle based on the control target amount; a determination unit for determining whether or not the absolute value of at least one of yaw rate of the vehicle and lateral acceleration of the vehicle is greater than or equal to a predetermined value when velocity of the vehicle is less than or equal to a predetermined velocity, wherein the control unit refrains from executing the control based on the control target amount when the absolute value is not greater than or equal to the predetermined value.