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Robust stabilizing first-order controllers for a class of time delay systems

✍ Scribed by Karim Saadaoui; Sana Testouri; Mohamed Benrejeb

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
403 KB
Volume
49
Category
Article
ISSN
0019-0578

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✦ Synopsis

In this paper, stabilizing regions of a first-order controller for an all poles system with time delay are computed via parametric methods. First, the admissible ranges of one of the controller's parameters are obtained. Then, for a fixed value of this parameter, stabilizing regions in the remaining two parameters are determined using the D-decomposition method. Phase and gain margin specifications are then included in the design. Finally, robust stabilizing first-order controllers are determined for uncertain plants with an interval type uncertainty in the coefficients. Examples are given to illustrate the effectiveness of the proposed method.

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