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Design of equivalent-input-disturbance estimator using a generalized state observer

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Abstract

In this paper, we present a design method based on the concept of equivalent input disturbance (EID) to reject disturbances for a linear time-invariant system. A generalized state observer (GSO) is used to estimate an EID of the external disturbances, and the pole-assignment algorithm is employed to select the matrices of the GSO. Simulation and experimental results of a rotational speed control system demonstrate the validity of our method.

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Authors and Affiliations

  1. School of Information Science and Engineering, Central South University, Changsha Hunan, 410083, China

    Min Wu, Kunpeng Lou, Fangchun Xiao, Ruijuan Liu, Yong He & Jinhua She

  2. Hunan Engineering Laboratory for Advanced Control and Intelligent Automation, Changsha Hunan, 410083, China

    Min Wu, Kunpeng Lou, Fangchun Xiao, Ruijuan Liu, Yong He & Jinhua She

  3. School of Computer Science, Tokyo University of Technology, 1404-1 Katakura, Hachioji, Tokyo, 192-0982, Japan

    Jinhua She

Authors
  1. Min Wu
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  2. Kunpeng Lou
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  3. Fangchun Xiao
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  4. Ruijuan Liu
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  5. Yong He
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  6. Jinhua She
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Corresponding author

Correspondence to Min Wu.

Additional information

This work was partly supported by the National Natural Science Foundation of China (Nos. 61210011, 60974045, 61125301).

Min WU received his B.S. and M.S. degrees in Engineering from the Central South University, Changsha, China, in 1983 and 1986, respectively. He received his Ph.D. degree in Engineering from Tokyo Institute of Technology, Tokyo, Japan, in 1999. Since July 1986, he has been with the Central South University, where he is currently a professor of Automatic Control Engineering in the School of Information Science and Engineering. His current research interests are robust control, process control and intelligent control. Dr. Wu is a senior member of the IEEE.

Kunpeng LOU received his B.S. degree in Engineering from the Central South University, Changsha, China, in 2009. Currently, he is an M.S. candidate at the Department of Control Engineering, the School of Information Science and Engineering, Central South University, China. His current research interests are bionic quadruped robot and robust control.

Fangchun XIAO received her B.S. degree in Engineering from the Central South University, Changsha, China, in 2010. Currently, he is an M.S. candidate at the Department of Control Engineering, the School of Information Science and Engineering, Central South University, China. Her current research interests are robust control and repetitive control.

Ruijuan LIU received her B.S. and M.S. Degrees in Mathematics from Changsha University of Science and technology, China, in 2004 and 2008, respectively. Currently, she is a Ph.D. candidate at the School of Information Science and Engineering, Central South University, China. Her current research interest are robust control and its application.

Yong HE received his B.S. and M.S. degrees in Applied Mathematics from Central South University, Changsha, China in 1991 and 1994, respectively. In July 1994, He joined the staff of the university, where he is currently a professor in the School of Information Science and Engineering. He received his Ph.D. degree in Control Theory and Control Engineering from Central South University in 2004. From January 2005 to March 2006, he was a research fellow in the Department of Electrical and Computer Engineering, National University of Singapore. From March 2006 to January 2007, he was a research fellow in the Faculty of Advanced Technology, University of Glamorgan, U.K. He received the Guan Zhao-Zhi Award of the 26th Chinese Control Conference in 2007 (jointly with M. Wu, G. Liu and J. She). Professor He is a senior member of the IEEE. His current research interests include robust control and its applications, networked control, and process control.

Jinhua SHE received his B.S. degree in Engineering from the Central South University, Changsha, China, in 1983, and M.S. and Ph.D. degrees in Engineering from Tokyo Institute of Technology, Tokyo, Japan, in 1990 and 1993, respectively. In 1993, he joined the Department of Mechatronics, School of Engineering, Tokyo University of Technology, Tokyo. In April 2008, he joined the School of Computer Science, Tokyo University of Technology, where he is currently a professor. His research interests include applications of control theory, repetitive control, process control, Internetbased engineering education, and robotics. Dr. She is a member of the Society of Instrument and Control Engineers, the Institute of Electrical Engineers of Japan, the Japan Society of Mechanical Engineers, and the Asian Control Association. He was the recipient of the International Federation of Automatic Control (IFAC) Control Engineering Practice Paper Prize in 1999 (jointly with M. Wu and M. Nakano).

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Wu, M., Lou, K., Xiao, F. et al. Design of equivalent-input-disturbance estimator using a generalized state observer. J. Control Theory Appl. 11, 74–79 (2013). https://doi.org/10.1007/s11768-013-1169-0

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  • DOI: https://doi.org/10.1007/s11768-013-1169-0

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