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JACIII Vol.17 No.6 pp. 805-812
doi: 10.20965/jaciii.2013.p0805
(2013)

Paper:

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Design of Compensator for Input Dead Zone of Actuator Nonlinearities

Weijie Chen*1,*2, Jundong Wu*3, and Jinhua She*4

*1School of Information Science and Engineering, Central South University, 932 Lushan South Road, Yuelu District, Changsha 410083, China

*2Hunan Engineering Laboratory for Advanced Control and Intelligent Automation, 932 Lushan South Road, Yuelu District, Changsha 410083, China

*3School of Electronics Engineering and Computer Science, Peking University, 45 Jia, Peking University, Haidian District, Beijing 100871, China

*4School of Computer Science, Tokyo University of Technology, 1404-1 Katakura, Hachioji, Tokyo 192-0987, Japan

Received:
May 22, 2013
Accepted:
September 11, 2013
Published:
November 20, 2013
Creative Commons License
Keywords:
deadzone compensation, equivalent-input-disturbance (EID), repetitive control (RC), globally uniformly ultimately bounded (GUUB), linear matrix inequality (LMI)
Abstract
This paper considers the problem of tracking a periodic signal for a plant with an input dead zone in the actuator. The nonlinearity greatly degrades control performance. To solve this problem, we incorporate an equivalent-input-disturbance (EID) compensator into a repetitive control system (RCS), resulting in a new system configuration. We combine the linear-matrixinequality technique with singular-value decomposition to analyze the stability of the system and to devise a design method. Unlike other methods, this one does not require any information about the dead zone. Simulation results demonstrate its effectiveness.
Cite this article as:
W. Chen, J. Wu, and J. She, “Design of Compensator for Input Dead Zone of Actuator Nonlinearities,” J. Adv. Comput. Intell. Intell. Inform., Vol.17 No.6, pp. 805-812, 2013.
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