A robust indirect adaptive-control approach

1 January 1986

journal article
research article
Published by Taylor & Francis in International Journal of Control

Vol. 43 (1) , 161-175
https://doi.org/10.1080/00207178608933456

Abstract

This paper considers the robust design of an indirect adaptive-control approach, which is applicable when the unknown parameters of a linear time-invariant plant lie in a known convex set throughout which no unstable pole-zero cancellation occurs. In order to achieve the robustness, the use of a relative dead zone in the adaptive law is proposed. It is shown that, with a suitably designed relative dead zone, the adaptive control system is (globally) stable, even in the presence of small, unmodelled plant uncertainties.

Keywords

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