PID tuning for time-varying delay systems based on modified Smith predictor
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Universidade Federal de Minas Gerais
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This paper presents a new linear matrix inequality (LMI) based control strategy for second-order systems with time-varying delay based on a modified Smith predictor with a proportional-integral-derivative (PID) controller. The main idea consists in representing the predictor model as a closed-loop observer, which takes into account only the estimated average value of the time-delay such that no real time measurement of the delay is required. A numerical example is introduced to illustrate the effectiveness of the proposed method.
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Sistemas lineares, Liapunov, Funções de, Controladores PID
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Process time-delay Smith predictor, PID controller, linear matrix inequalities
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https://www.sciencedirect.com/science/article/pii/S2405896317301684