Multi-mode vibration suppression in 2-DOF piezoelectric systems using zero placement input shaping technique

Yasser Al Hamidi; Micky Rakotondrabe

doi:10.1117/12.2185683

18 June 2015 Multi-mode vibration suppression in 2-DOF piezoelectric systems using zero placement input shaping technique

Yasser Al Hamidi, Micky Rakotondrabe

Author Affiliations +

Proceedings Volume 9494, Next-Generation Robotics II; and Machine Intelligence and Bio-inspired Computation: Theory and Applications IX; 94940K (2015) https://doi.org/10.1117/12.2185683
Event: SPIE Sensing Technology + Applications, 2015, Baltimore, MD, United States

Abstract

This paper deals with the feedforward control of the vibrations of a 2-DOF piezoelectric micropositioner in order to damp the vibrations in the direct axes and in the cross-couplings. The actuator exhibit badly damped vibrations in its direct transfers as well as in the cross-couplings transfers. We therefore propose a bivariable control which does not require sensors to reduce the vibrations in the different axes. The proposed scheme reduces all modes of vibrations for both outputs through extending the monovariable zero placement input shaping technique into bivariable. Experimental tests have been carried out and demonstrate the efficiency of the proposed method.

Citation Download Citation

Yasser Al Hamidi and Micky Rakotondrabe "Multi-mode vibration suppression in 2-DOF piezoelectric systems using zero placement input shaping technique", Proc. SPIE 9494, Next-Generation Robotics II; and Machine Intelligence and Bio-inspired Computation: Theory and Applications IX, 94940K (18 June 2015); https://doi.org/10.1117/12.2185683

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