Abstract
The robust global stabilization problem of a class of uncertain nonlinear systems with input unmodeled dynamics is considered using output feedback, where the uncertain nonlinear terms satisfy a far more relaxed condition than the existing triangular-type condition. Under the assumption that the input unmodeled dynamics is minimum-phase and of relative degree zero, a dynamic output compensator is explicitly constructed based on the nonseparation principle. An example illustrates the usefulness of the proposed method.
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This work was supported by National Natural Science Foundation of China (No. 60710002) and Program for Changjiang Scholars and Innovative Research Team in University.
Ming-Zhe Hou received his B.Eng. degree in automation in 2005 from Harbin Institute of Technology, PRC. Now, he is Ph.D. candidate in the Center for Control Theory and Guidance Technology at Harbin Institute of Technology. His research interests include nonlinear control theory and integrated guidance and control for aircrafts.
Ai-Guo Wu received his B.Eng. degree in automation in 2002 and M.Eng. degree in navigation, guidance and control from Harbin Institute of Technology, PRC in 2004. Currently, he is a Ph.D. candidate in the Center for Control Theory and Guidance Technology at Harbin Institute of Technology. He has ever served as a General Secretary of the 25th Chinese Control Conference at Harbin. He is the author and co-author of over 40 publications. His research interests include observer design, descriptor linear systems, and robust control and estimation.
Guang-Ren Duan received his Ph.D. degree in control systems theory in 1989 from Harbin Institute of Technology, PRC. From 1989 to 1991, he was a post-doctoral researcher at Harbin Institute of Technology, where he became a professor of control systems theory in 1991. He visited the University of Hull, UK, and the University of Sheffield, UK from December 1996 to October 1998, and worked at the Queen’s University of Belfast, UK from October 1998 to October 2002. Since August 2000, he has been elected specially employed professor at Harbin Institute of Technology sponsored by the Cheung Kong Scholars Program of China. He is currently the director of the Center for Control Systems and Guidance Technology at Harbin Institute of Technology. He is a chartered engineer in the UK, a senior member of IEEE and a fellow of IEE. His research interests include robust control, eigenstructure assignment, descriptor systems, missile autopilot design, and magnetic bearing control.
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Hou, MZ., Wu, AG. & Duan, GR. Robust output feedback control for a class of nonlinear systems with input unmodeled dynamics. Int. J. Autom. Comput. 5, 307–312 (2008). https://doi.org/10.1007/s11633-008-0307-5
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DOI: https://doi.org/10.1007/s11633-008-0307-5