| 摘要 |
PURPOSE:To improve the operation of vehicle while to prevent unnecessary manual selection and to prevent abrupt variation of motion characteristic by constructing to disable manual changing operation for realizing the rear wheel steering angle ratio of steering angle except when the shift position of speed change lever is in low speed stage. CONSTITUTION:Upon provision of car speed 32, position 33 of slider 27, shift position 37 of speed change lever 36 and selecting information of selecting switch 34 to a computer 31, the car speed 32 is converted into a steering ratio signal which is compared with the slider position 35 to operate a steering angle ratio correcting information which is employed together with the selecting information 34 for driving a motor 29 thus to control the position of the slider 27. Here, manual modification of selecting switch 34 is disabled except when the shift position signal 37 of speed change lever 36 is in the low speed stage. With such arrangement, the operation of vehicle is improved resulting in prevention of unnecessary manual selection. |
