Nonlinear dynamics and analysis of a four-bar linkage with clearance

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DOIResolve DOI: http://doi.org/10.1007/s11465-013-0258-6
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TypeArticle
Journal titleFrontiers of Mechanical Engineering
ISSN2095-0233
Volume8
Issue2
Pages160168; # of pages: 9
AbstractIn this paper, nonlinear dynamic behavior of a four-bar linkage considering clearance is studied. The dynamic model of the linkage with a clearance between coupler and rocker is developed firstly. Then the dynamic equations of this mechanism are solved by a numerical method. According to the calculated response, compliance, force and trajectory of pin in joint bearing are obtained. Effects of clearance magnitude and the relationship between a mechanism with clearance and without clearance are studied. By using Poincare Map, it is proved that strange attractors or chaos exist in the dynamic response. In addition, phenomena of chaos, periodic response and subharmonic response also can be found in the special condition. Bifurcation diagram is used to suggest that bifurcation and fractal phenomena exist in the dynamic response of this mechanism. © 2013 Higher Education Press and Springer-Verlag Berlin Heidelberg.
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LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); NRC Institute for Research in Construction (IRC-IRC)
Peer reviewedYes
NPARC number21269696
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Record identifier4fc2de13-b2c7-4430-b426-8f60ac0c0aac
Record created2013-12-13
Record modified2016-05-09
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