Simplified PRBMs of spatial compliant multi-beam modules for planar motion

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dc.contributor.authorHao, Guangbo
dc.date.accessioned2016-05-27T11:32:25Z
dc.date.available2016-05-27T11:32:25Z
dc.date.issued2013-09-16
dc.date.updated2014-04-03T23:01:45Z
dc.description.abstractPRBMs (pseudo-rigid-body models) have been becoming important engineering technologies/methods in the field of compliant mechanisms to simplify the design and analysis through the use of the knowledge body of rigid-body mechanisms coupling with springs. This article addresses the PRBMs of spatial multi-beam modules for planar motion, which are composed of three or more symmetrical wire/slender beams parallel to each other where the planar twisting DOF (degree of freedom) is assumed to be very small for specific applications/loading conditions. Simplified PRBMs are firstly proposed through replacing each beam in spatial multi-beam module with a rigid-body link plus two identical spherical joints at its two ends. The characteristics factor, bending stiffness and twisting stiffness for the spherical joint are determined. Load-displacement equations are then derived for a class of spatial multi-beam modules and general spatial multi-beam modules using the virtual work principle and kinematic relationships. Finally, nonlinear FEA (finite element analysis) is employed with comparisons with the PRBMs. The present PRBMs have shown the ability to predict the primary nonlinear constraint characteristics such as load-stiffening effect, cross-axis coupling in the two primary translational directions and buckling load.en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationHao, G. (2013) 'Simplified PRBMs of spatial compliant multi-beam modules for planar motion', Mechanical Sciences, 4, pp. 311-318. doi:10.5194/ms-4-311-2013en
dc.identifier.doidoi:10.5194/ms-4-311-2013
dc.identifier.endpage318en
dc.identifier.journaltitleMechanical Sciencesen
dc.identifier.startpage311en
dc.identifier.urihttps://hdl.handle.net/10468/2640
dc.identifier.volume4en
dc.language.isoenen
dc.publisherCopernicus Publicationsen
dc.rights© 2013, Guangbo Hao.en
dc.rights.urihttps://creativecommons.org/licenses/by/3.0/en
dc.subjectSpatial multi-beam moduleen
dc.subjectRigid-body linken
dc.subjectLoad-displacementen
dc.subjectKinematicen
dc.subjectFinite element analysisen
dc.subjectPseudo-rigid-body modelen
dc.titleSimplified PRBMs of spatial compliant multi-beam modules for planar motionen
dc.typeArticle (peer-reviewed)en
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