Robust Smith Predictor Design for Time-Delay Systems with H infinity Performance

A new method for robust fixed-order H-infinity controller design for uncertain time-delay systems is presented. It is shown that the H-infinity robust performance condition can be represented by a set of convex constraints with respect to the parameters of a linearly parameterized primary controller in the Smith predictor structure. Systems with uncertain dead-time and with multimodel and frequency-domain uncertainty can be considered straightforwardly in the proposed approach. Furthermore, it is shown that the design method can also be extended to design of robust gain-scheduled dead-time compensators. The performance of the method is illustrated by simulation examples.


Published in:
Proceddings of the IFAC Joint Conference
Presented at:
IFAC Joint Conference, Grenoble, France, February 4-6, 2013
Year:
2013
Keywords:
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 Record created 2011-11-02, last modified 2018-01-28

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