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Bilateral control of 3-mass resonant system based on resonance ratio control

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2 Author(s)
Yorozu, S. ; Dept. of Syst. Design Eng., Keio Univ., Hiyoshi, Japan ; Katsura, S.

Recently, tele-operation of the robot is needed with getting force information. To realize tele-operation with force feedback, high accuracy force control is essential. However, torsional vibration of multi-mass resonant system is a serious problem to operate robots. Vibration suppression in motion control system is important problem in industry applications. In this paper, the system that is 3-mass resonant system is considered. This paper proposes a bilateral control of 3-mass resonant system. The resonance control is implemented to the system to reduce vibration. Also, the inverse system is implemented to reject load disturbance. A load disturbance is estimated by load disturbance observer. The estimation method does not need parameter identification. The determination method of pole placement is discussed. The viability of the proposed method is confirmed by some experiments.

Published in:

Industrial Technology (ICIT), 2011 IEEE International Conference on

Date of Conference:

14-16 March 2011