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Decoupling for Redundant Multi-Axis Shaking Table Based on Combination of Degree of Freedom and Modal Control

  • Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Shaking table inevitably exist considerable cross-coupling due to eccentric load or non-diagonal mass matrix. This paper presents a new method to decouple the cross-coupling drastically between each axis on the basis of modal control and feedforward control. The utility of modal control is to convert the physical space to the modal space in which there are no coupling over each axis, meanwhile some control algorithm is applied. The difficult of decoupling is that once converting the modal space to the physical space, the cross-coupling still remain. Hence feedforward control is to uniform each degree dynamic characteristics in modal space, to transform physical space decoupled fully. The proposed method based on combination of modal control and feedforward control is verified by theory computation and simulation through Matlab/Simulink and SimMechanics, which shows the method is feasible.

Original languageEnglish
Title of host publication2017 5th International Conference on Mechanical, Automotive and Materials Engineering, CMAME 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages328-334
Number of pages7
ISBN (Electronic)9781538604311
DOIs
StatePublished - 16 Nov 2018
Event5th International Conference on Mechanical, Automotive and Materials Engineering, CMAME 2017 - Guangzhou, China
Duration: 1 Aug 20173 Aug 2017

Publication series

Name2017 5th International Conference on Mechanical, Automotive and Materials Engineering, CMAME 2017

Conference

Conference5th International Conference on Mechanical, Automotive and Materials Engineering, CMAME 2017
Country/TerritoryChina
CityGuangzhou
Period1/08/173/08/17

Keywords

  • combination
  • feedforward control
  • modal control
  • shaking table

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