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Optimal Robust Tracxing in Discrete-Time Two-Parameter Control Systems under Nonlinear Time-Varying Uncertainties

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1 Author(s)
Chiang, Chiang-Cheng ; Department of Electrical Engineering, Tatung Institute of Technology, 40 Chungshan North Road, Sec. 3, Taipei, Taiwan, Republic of China

A new robust stability condition is derived for analyzing the robustness property of discrete-time two-parameter control systems with nonlinear time-varying uncertainties. Based on the concept of excess robustness and the theory of minimum H¿ norm, a feasible and effect design algorithm is presented to synthesize a two-parameter robust controller which ensures that discrete-time two-parameter control systems can achieve the object of optimal robust tracking in the face of nonlinear time-varying uncertainties.

Published in:

American Control Conference, 1991

Date of Conference:

26-28 June 1991