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H-optimal sampled-data control: computation and design

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2 Author(s)
Tongwen Chen ; Dept. of Electr. & Comput. Eng., Calgary Univ., Alta., Canada ; Francis, B.A.

H-optimal control of sampled-data systems is considered. The H analysis or synthesis problem requires iteration on the achievable performance level γ. For each iteration, the sampled-data problem is reduced to an equivalent discrete-time problem. In this paper, a new set of formulas is obtained for the equivalent discrete-time system; in each iteration, the formulas depend on computing only one matrix exponential function. The formulas are applied to a design example and the results show clear advantage of the direct sampled-data design approach over the conventional approach of analog design and digital implementation.

Published in:

American Control Conference, 1994  (Volume:3 )

Date of Conference:

29 June-1 July 1994