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Title of Journal: J Mech Sci Technol

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Abbravation: Journal of Mechanical Science and Technology

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Korean Society of Mechanical Engineers

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DOI

10.1006/jcis.1998.5420

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ISSN

1976-3824

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Investigation on dynamic responses of dualaxis po

Authors: Zheng Feng Bai Yu Qiang Liu Yi Sun
Publish Date: 2015/02/15
Volume: 29, Issue: 2, Pages: 453-460
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Abstract

The effects of clearance on dynamic responses of dualaxis positioning mechanism of a satellite antenna are investigated using a computational methodology Considering clearances in joints the clearance is defined and the mathematical model of revolute joint with clearance is presented The normal contact force model and tangential friction model in clearance joint are established using nonlinear continuous contact force model and Coulomb friction model respectively Then numerical simulation is used to investigate the dynamic responses of dualaxis positioning mechanism with joint clearance The results show that clearance has significant effects on dynamic responses of mechanism and the investigation of the work can predict the dynamic responses of dualaxis positioning mechanism with clearance preferably which is the basis of mechanism design precision analysis and control system designZheng Feng Bai received his PhD in Astronautic and Aerospace Science and Technology from Harbin Institute of Technology China in 2011 His research interests include multibody system dynamics structural dynamics and its applications in aerospace engineering

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