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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:BAI Zheng-feng,TianHao,ZhaoYang.Dynamics modeling and simulation of mechanism with joint clearance[J].Journal of Harbin Institute Of Technology(New Series),2010,17(5):706-710.DOI:10.11916/j.issn.1005-9113.2010.05.020.
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Dynamics modeling and simulation of mechanism with joint clearance
Author NameAffiliation
BAI Zheng-feng Dept.of Astronautic Engineering,Harbin Institute of Technology,Harbin 150001,China 
TianHao Dept.of Astronautic Engineering,Harbin Institute of Technology,Harbin 150001,China 
ZhaoYang Dept.of Astronautic Engineering,Harbin Institute of Technology,Harbin 150001,China 
Abstract:
The existence of clearance in the joints of mechanisms system is inevitable.The movements of the real mechanism are deflection from the ideal mechanism due to the clearances and the motion accuracy is decreased.The effects of the hinge clearance on the crank and rocker mechanism system are studied.The system dynamics equation with clearance is presented.The contact dynamics model is established using the nonlinear equivalent spring-damp model and the friction effect is considered by using Coulomb friction model.Then the models are incorporated into ADAMS,and based on the model,large numbers numeric simulations are made.The regularity of contact forces in clearance are studied in detail.And the effects of clearance size,clearance friction on the mechanism dynamics characteristic are analyzed.The simulation results can predict the effects of clearance on the mechanism dynamics characteristic preferably.
Key words:  clearance  contact model  dynamics modeling and simulation  dynamics characteristic
DOI：10.11916/j.issn.1005-9113.2010.05.020
Clc Number:TH113
Fund:

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