Performance sensitivity analysis for linear systems with five types of structural uncertainty

Authors:
Zhi-Wei Gao;Xian-Lai Wang
Affiliations:
Department of Automation, Tianjin University, Tianjin 300072, P.R. China;Department of Automation, Tianjin University, Tianjin 300072, P.R. China
Venue:
Systems Analysis Modelling Simulation
Year:
2002

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Abstract

Using coprime fractional techniques and H∞-norms, the performance sensitivity of linear systems with five types of simultaneous structural uncertainty is analyzed. Sufficient conditions for the robust stability are derived. Also, the perturbed upper bounds for the sensitivity function matrix and the closed-loop transfer function matrix are presented.