Abstract:Water hydraulic servo system is attractive technology for safety environment. This paper presents a design method of a robust rotational velocity controller of water hydraulic servomotor for the uncertain parameters and the load fluctuation. To overcome the highly nonlinearity of flow equation, we linearize and parametrize it. Considering the effect of uncertain parameter perturbation, e.g. load fluctuation and friction parameters, a method of Lyapunovbased recursive design is applied to construct a robust rot… Show more
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