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Effects of mismatched smith controller on stability in systems with time-delay

✍ Scribed by Kazuo Yamanaka; Etsujiro Shimemura

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

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✦ Synopsis

Stability of systems with a Smith controller is studied by taking into account the possibility of mismatch between plants and controllers. A necessary and sufficient condition for a system to maintain its stability in the presence of small mismatch is obtained. It follows from the condition that, depending on the growth rate of plant uncertainty towards high frequency, a Smith controller should be designed so that the control system has sufficiently steep high-cut-off frequency response.

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