Digital design of variable structure control systems |
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Authors: | GAMAL M. ALY WAHIED G. ALI |
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Affiliation: | Electronics and Computers Engineering Department , Faculty of Engineering, Ain Shams University , 1 Elsarayat St, Abbasia, Cairo, Egypt |
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Abstract: | Reachability conditions are developed for discrete single-input-single-output variable structure control systems described by linear mathematical models in general state-space form to reach a switching function from anywhere in state space. Stability conditions of a sliding mode are investigated. A modified algorithm is proposed to simplify the design procedure. Practical application to a thermal process has been achieved by using the modified algorithm to show the potential for development and practical results are compared with those using the classical PID controller design. |
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