Publicação: Synthesis of PID controllers for a class of time delay systems
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Pergamon-Elsevier B.V. Ltd
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Resumo
In this paper we use the Hermite-Biehler theorem to establish results on the design of proportional plus integral plus derivative (PID) controllers for a class of time delay systems. Using the property of interlacing at high frequencies of the class of systems considered and linear programming we obtain the set of all stabilizing PID controllers. As far as we know, previous results on the synthesis of PID controllers rely on the solution of transcendental equations. This paper also extends previous results on the synthesis of proportional controllers for a class of delay systems of retarded type to a larger class of delay systems. (C) 2009 Elsevier Ltd. All rights reserved.
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Delay systems, Hermite Biehler theorem, Proportional-integral-derivative control, Stability, Linear programming
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Inglês
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Automatica. Oxford: Pergamon-Elsevier B.V. Ltd, v. 45, n. 7, p. 1778-1782, 2009.
