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Design and testing of a large-workspace XY compliant manipulator based on triple-stage parallelogram flexure
Zekui Lyu; Qingsong Xu
2023-02-14
Source PublicationMECHANISM AND MACHINE THEORY
ISSN0094-114X
Volume184Pages:105287
Abstract

This paper proposes a new XY compliant parallel manipulator with large workspace and low coupling motion by resorting to planar arrangement of multistage parallelogram mechanisms. The triple-stage parallelogram flexure is chosen as the basic mechanism for motion transmission and decoupling. Its fixed and moving ends adopt planar and spatial connections, respectively. By this connecting scheme, more types of general multistage parallelogram flexures can be constructed. The driving stiffness and resonant frequency of the manipulator are derived based on statics analysis of theoretical mechanics and dynamics analysis via Lagrangian equation. The accuracy of the analytical model is confirmed by performing finite element analysis simulation, and the performance variances of three manipulators are compared. Moreover, a prototype of the XY compliant manipulator has been fabricated and tested. Results show that the workspace of the parallel manipulator is 1.51 cm × 1.48 cm, and the coupling ratios of the two axes are 1.11% and 1.06%, respectively. The volume ratio is introduced as a compactness indicator for comparison study versus existing designs. The centimeter-level stroke can promote the application of XY parallel manipulators in more industrial scenarios.

KeywordCompliant Mechanism Xy Compliant Manipulator Large Stroke Leaf Flexure
DOI10.1016/j.mechmachtheory.2023.105287
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering
WOS SubjectEngineering, Mechanical
WOS IDWOS:000947359200001
PublisherElsevier Ltd
Scopus ID2-s2.0-85147913805
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Citation statistics
Document TypeJournal article
CollectionFaculty of Science and Technology
DEPARTMENT OF ELECTROMECHANICAL ENGINEERING
Corresponding AuthorQingsong Xu
AffiliationDepartment of Electromechanical Engineering, Faculty of Science and Technology, University of Macau, Taipa, Avenida da Universidade, Macao
First Author AffilicationFaculty of Science and Technology
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Zekui Lyu,Qingsong Xu. Design and testing of a large-workspace XY compliant manipulator based on triple-stage parallelogram flexure[J]. MECHANISM AND MACHINE THEORY, 2023, 184, 105287.
APA Zekui Lyu., & Qingsong Xu (2023). Design and testing of a large-workspace XY compliant manipulator based on triple-stage parallelogram flexure. MECHANISM AND MACHINE THEORY, 184, 105287.
MLA Zekui Lyu,et al."Design and testing of a large-workspace XY compliant manipulator based on triple-stage parallelogram flexure".MECHANISM AND MACHINE THEORY 184(2023):105287.
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