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  4. Robust Smith Predictor Design for Time-Delay Systems with H infinity Performance
 
conference paper

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

De Oliveira, Vinicius
•
Karimi, Alireza  
2013
IFAC Proceedings Volumes
IFAC Joint Conference

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.

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