Synthesis of adaptive gain robust model-following/tracking controllers for a class of uncertain linear systems

Hidetoshi Oya, Shunya Nagai, Tsuyoshi Matsuki and Yoshikatsu Hoshi

International Journal of Systems Science, 2018, vol. 49, issue 10, 2129-2143

Abstract: This paper proposes a new adaptive gain robust model-following/tracking controller for a class of uncertain linear systems. The proposed adaptive gain robust controller is composed of state feedback laws with fixed gains, feedfoward inputs for the reference model and nonlinear compensation inputs with adjustable time-varying parameters. Moreover, the proposed control strategy can achieve good transient performance and avoid the excessive control input by means of the design parameter. In this paper, linear matrix inequality-based sufficient conditions for the existence of the proposed adaptive gain controller are given, and two design strategies are presented. Finally, simple illustrative examples are included to show the effectiveness of the proposed adaptive gain robust controller.

Date: 2018
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DOI: 10.1080/00207721.2018.1484197

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