Design of a Sliding Mode Controller for a Water Tank Liquid Level Control System
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In this paper object, design a sliding mode controller for a water tank liquid level control system to realize level position regular and tracking control. The key feature of this control scheme is design a different zero of the sliding surface to raise adjusting degree of freedom and improve the control performance. The validity of the proposed control scheme is verified through practical testing on an experimental liquid level control device. In the cases of step, multi step, and sinusoidal command inputs, the test results show that the proposed control scheme is capable of improving the tracking precision.
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