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Discrete minimax linear quadratic regulation of continuous-time systems

✍ Scribed by K. Kadiman; D. Williamson

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
641 KB
Volume
23
Category
Article
ISSN
0005-1098

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✦ Synopsis

In this paper, the statistical cyclostationary characteristics of a controlled continuous-time system which result as a consequence of implementing a digital controller are investigated. A minimax quadratic cost function which takes into account the periodic nature of the statistics is defined and optimized. The resulting linear state feedback law improves the intersample behavior of the controlled system when compared to discrete-time optimization. In particular, the minimax variance regulator which is proposed as a new design method for regulating the output variance offers a significant improvement over the classical minimum variance regulator.

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