Vibration Suppression of a 3-DOF Parallel Manipulator Based on Hybrid Negative Impulses Multi-Mode Input Shaping

Abstract:

The classic multi-mode negative impulses input shapers can suppress the residual vibration of the multi-mode system effectively. But when these several frequencies bandwidths and amplitudes of vibration modes are greatly different, the time delay and the suppression performances of input shapers are decreased. However, the hybrid multi-mode negative impulses input shapers can overcome the disadvantage. The hybrid double-mode negative impulses input shapers of a 3-DOF parallel manipulator and are constructed and compared with the classic multi-mode negative impulses input shapers. And the numerical simulations are shown out, for different frequencies bandwidths and amplitudes of vibration, and the hybrid multi-mode negative impulses input shapers can increase the total suppression performance of input shaper.

• Periodical: Advanced Engineering Forum (Volumes 2-3)
• Pages: 372-377
• DOI: https://doi.org/10.4028/www.scientific.net/AEF.2-3.372
• Online since: December 2011
• Authors: Yan Yan Han, Bing Li, Yu Lan Wei, Shou Xin Zhu, Ying Jun Dai
• Keywords: Hybrid Input Shaping, Multiple-Mode, Negative Impulses, Residual Vibration

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