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The object of this study is to design a fuzzy self tuning controller for a hydraulic direct drive valve (DDV) driven by a VCM linear motor. At first, to evaluate the forces acting on the hydraulic valve and then choose the linear motor and the eddy current displacement sensor to measure the motion of the valve. Through the experiment, it is proven that the voice coil motor(VCM) can direct drive spool...
This paper proposes anti-lock braking system to integrate with active suspensions system applied in a quarter vehicles model, and can use a road estimate to get the road condition. This estimate is based on the LuGre friction model with a road condition parameter, and can transmit a reference slip ration to slip ratio controller through a mapping function considering the effect of road characteristics...
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