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Mixed L 1/H-infinity control for uncertain linear singular systems

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Abstract

The mixed L 1/H-infinity control problem for a class of uncertain linear singular systems is considered using a matrix inequality approach. The purpose is to design a state feedback control law such that the resultant closed-loop system is regular, impulse-free, stable and satisfies some given mixed L 1/H-infinity performance. A sufficient condition for the existence of such control law is given in terms of a set of matrix inequalities by the introduction of inescapable set and *-norm. When these matrix inequalities are feasible, an explicit expression of the desired state feedback control law is given. A numerical example is used to demonstrate the applicability of the proposed approach.

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Correspondence to Xiaofu Ji.

Additional information

This work was supported by the National Natural Science Foundation of China (No.60774044), the Professional Research Foundation for Advanced Talents of Jiangsu University (No.07JDG037), the Natural Science Fund for Colleges and Universities in Jiangsu Province (No.08KJ510010), the Open Project of National Key Laboratory of Industrial Control Technology of Zhejiang University (No.ICT0910), and Qing Lan Project of Jiangsu Province.

Xiaofu JI received the M.S. degree from Jiangsu University and the Ph.D. degree from Zhejiang University in 2003 and 2006, respectively, both in Control Theory and Applications. Now, he is a lecturer in Jiangsu University. His research interests include robust control and filtering, singular linear systems and saturated control.

Yukun SUN received the Ph.D. degree from Jiangsu University in 2006. Now, he is a professor at Jiangsu University. His research interests include motion control, robust control and power systems.

YongHong HUANG received the M.S. degree from Jiangsu University in 1996. Now, he is an associate professor at Jiangsu University. His research interests include motion control, robust control and power systems.

Hongye SU was born in Jiangsu, China, in 1969. He received a first class B.S. degree in Industrial Automation from Nanjin University of Chemical Technology in 1990. He later obtained the M.S. and Ph.D. degrees from Zhejiang University in 1993 and 1995, respectively. He is currently a professor at the Institute of Advanced Process Control, Zhejiang University. His recent research interests include robust control, time-delay systems, advanced process control theory and application.

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Ji, X., Sun, Y., Huang, Y. et al. Mixed L 1/H-infinity control for uncertain linear singular systems. J. Control Theory Appl. 7, 134–138 (2009). https://doi.org/10.1007/s11768-009-7169-4

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  • DOI: https://doi.org/10.1007/s11768-009-7169-4

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