| 摘要 |
<P>PROBLEM TO BE SOLVED: To enhance compensation accuracy of a disturbance in a suspension system. Ž<P>SOLUTION: A disturbance observer 51 calculates the first correction quantity is calculated based on the target thrust and the stroke state of the suspension when executing the drive-control of an electromagnetic shock absorber 10, and further, a disturbance estimation unit 52 estimates the disturbance from the stroke state of the suspension, and a second calculation unit 53 calculates the second correction quantity based on the estimated disturbance. A high-pass filter 54 and a third calculation unit 55 correct the first correction quantity based on the frequency of the disturbance to calculate the third correction quantity. An adder 56 adds the compensation by these two correction quantities, and corrects the target thrust to be subsequently operated, and executes the disturbance compensation. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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