Position-space-based design of a symmetric spatial translational compliant mechanism for micro-/nano-manipulation

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dc.contributor.author Li, Haiyang
dc.contributor.author Hao, Guangbo
dc.date.accessioned 2018-05-31T11:56:28Z
dc.date.available 2018-05-31T11:56:28Z
dc.identifier.citation Li, H. and Hao, G. (2018) 'Position-space-based design of a symmetric spatial translational compliant mechanism for micro-/nano-manipulation', Micromachines, 9(4), 189 (18pp). doi: 10.3390/mi9040189 en
dc.identifier.volume 9
dc.identifier.issued 2018
dc.identifier.startpage 1
dc.identifier.endpage 18
dc.identifier.issn 2072-666X
dc.identifier.uri http://hdl.handle.net/10468/6224
dc.identifier.doi 10.3390/mi9040189
dc.description.abstract Symmetry enables excellent motion performance of compliant mechanisms, such as minimized parasitic motion, reduced cross-axis coupling, mitigated buckling, and decreased thermal sensitivity. However, most existing symmetric compliant mechanisms are heavily over-constrained due to the fact that they are usually obtained by directly adding over-constraints to the associated non-symmetric compliant mechanisms. Therefore, existing symmetric compliant mechanisms usually have relatively complex structures and relatively large actuation stiffness. This paper presents a position-space-based approach to the design of symmetric compliant mechanisms. Using this position-space-based approach, a non-symmetric compliant mechanism can be reconfigured into a symmetric compliant mechanism by rearranging the compliant modules and adding minimal over-constraints. A symmetric spatial translational compliant parallel mechanism (symmetric XYZ compliant parallel mechanism (CPM)) is designed using the position-space-based design approach in this paper. Furthermore, the actuation forces of the symmetric XYZ CPM are nonlinearly and analytically modelled, which are represented by the given primary translations and the geometrical parameters. The maximum difference, between the nonlinear analytical results and the nonlinear finite element analysis (FEA) results, is less than 2.58%. Additionally, a physical prototype of the symmetric XYZ CPM is fabricated, and the desirable motion characteristics such as minimized cross-axis coupling are also verified by FEA simulations and experimental testing. en
dc.description.sponsorship Irish Research Council (IRCSET, Embark Ph.D. scholarship (RS/2012/361) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher MDPI AG en
dc.relation.uri http://www.mdpi.com/2072-666X/9/4/189
dc.rights © 2018, the Authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). en
dc.rights.uri http://creativecommons.org/licenses/by/4.0/
dc.subject Compliant mechanism en
dc.subject Position space en
dc.subject Analytical modelling en
dc.subject Symmetric design en
dc.subject Micro-/nano-manipulation en
dc.title Position-space-based design of a symmetric spatial translational compliant mechanism for micro-/nano-manipulation en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Guangbo Hao, Electrical & Electronic Engineering, University College Cork, Cork, Ireland. +353-21-490-3000 Email: g.hao@ucc.ie en
dc.internal.availability Full text available en
dc.description.version Published Version en
dc.contributor.funder Irish Research Council
dc.description.status Peer reviewed en
dc.identifier.journaltitle Micromachines en
dc.internal.IRISemailaddress g.hao@ucc.ie en
dc.identifier.articleid 189


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© 2018, the Authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). Except where otherwise noted, this item's license is described as © 2018, the Authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
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