Efficient spatial compliance analysis of general initially curved beams for mechanism synthesis and optimization

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dc.contributor.authorWu, Ke
dc.contributor.authorZheng, Gang
dc.contributor.authorHao, Guangbo
dc.contributor.funderNational Natural Science Foundation of Chinaen
dc.contributor.funderDepartment of Education of Guangdong Provinceen
dc.contributor.funderGuangdong-Hong Kong-Macao Joint Laboratory for Intelligent Micro-Nano Optoelectronic Technologyen
dc.contributor.funderHorizon 2020en
dc.contributor.funderAgence Nationale de la Rechercheen
dc.date.accessioned2021-05-05T09:29:04Z
dc.date.available2021-05-05T09:29:04Z
dc.date.issued2021-04-09
dc.date.updated2021-05-05T09:08:13Z
dc.description.abstractCompliant Mechanisms (CMs) present several desired properties for mechanical designs. Conventional rigid-body mechanisms composed of rigid links connected at kinematic joints, serve as devices to transfer motion, force and energy by the movements of rigid links whereas CMs are able to present the same function only through deflection of flexible members. Most designs of CMs in the current literature employ straight beams as the elementary flexible members whereas initially curved beams (ICBs) also provide potential advantages for CMs such as large range of motion and small strain range. This paper presents an efficient spatial compliance analysis method of general ICBs. The spatial compliance analysis of different types of ICBs (such as varying-curvature beams and varying-cross-section beams) was conducted, followed by Finite Element Analysis (FEA) verification. Next, the modeling and optimization of two types of CMs including ICB-based parallelogram mechanisms and ICB-based Ortho-planar springs were carried out by applying screw theory under the framework of position space concept and parameter normalization strategy where a class of anti-buckling translational parallelograms with high load-bearing capacity and a type of compact 2R1T (2 rotational DOF and 1 translational DOF) compliant kinematic joints were obtained. The corresponding FEA was conducted to verify the optimal results.en
dc.description.sponsorshipNational Natural Science Foundation of China (Grant No. 62073081); Department of Education of Guangdong Province (Grant No. 2019KZDXM037); Guangdong-Hong Kong-Macao Joint Laboratory for Intelligent Micro-Nano Optoelectronic Technology (No. 2020B1212030010)en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid104343en
dc.identifier.citationWu, K., Zheng, G. and Hao, G. (2021) 'Efficient spatial compliance analysis of general initially curved beams for mechanism synthesis and optimization', Mechanism and Machine Theory, 162, 104343 (22pp). doi: 10.1016/j.mechmachtheory.2021.104343en
dc.identifier.doi10.1016/j.mechmachtheory.2021.104343en
dc.identifier.endpage22en
dc.identifier.issn0094-114X
dc.identifier.journaltitleMechanism and Machine Theoryen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/11248
dc.identifier.volume162en
dc.language.isoenen
dc.publisherElsevier B.V.en
dc.relation.projectinfo:eu-repo/grantAgreement/ANR//ANR-19-CE19-0026/FR/robotization of cochlear implant/ROBOCOPen
dc.relation.projectinfo:eu-repo/grantAgreement/ANR//ANR-20-CE33-0001/FR/COSserat theory for SlEnder RObOTS/COSSEROOTSen
dc.relation.projectinfo:eu-repo/grantAgreement/EC/H2020::MSCA-COFUND-DP/847568/EU/Programme for EArly-stage Researchers in Lille/PEARLen
dc.rights© 2021, Elsevier Ltd. All rights reserved. This manuscript version is made available under the CC BY-NC-ND 4.0 license.en
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subjectCompliance analysisen
dc.subjectCompliant mechanismsen
dc.subjectICB-based parallelogramen
dc.subjectInitially curved beams (ICBs)en
dc.subjectOptimizationen
dc.subjectOrtho-planar springen
dc.titleEfficient spatial compliance analysis of general initially curved beams for mechanism synthesis and optimizationen
dc.typeArticle (peer-reviewed)en
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