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Design and smooth position/force switching control of a miniature gripper for automated microhandling
Xu Q.
2014
Source PublicationIEEE Transactions on Industrial Informatics
ISSN15513203
Volume10Issue:2Pages:1023
Abstract

Automated microhandling tasks demand miniature grippers equipped with position and force sensors to execute reliable operations. This paper presents the design, implementation, and control of a piezoelectrically actuated compliant gripper with combined position and force monitoring/control capabilities. The gripper structure is devised based on a compliant rotary bearing mechanism with the displacement amplification lever, which endows a simplified architecture than the existing parallelogram-based ones. Moreover, the challenge of achieving a smooth transition between the position and force switching control is addressed by means of a new incremental control scheme. Precision control under the influence of hysteretic nonlinearity is guaranteed by a discrete sliding-mode control algorithm. The scheme is implemented with an field-programmable gate array (FPGA) platform. Experimental investigations are undertaken to verify the effectiveness of the gripper system by executing grasp-hold-release operations of a micro copper wire. The results confirm that the proposed incremental-based switching control outperforms conventional approach in terms of position/force regulation accuracy and operation time. © 2012 IEEE.

KeywordCompliant Mechanisms Discrete Sliding-mode (Dsm) Control Industrial Automation Piezoelectric Devices Position/force Control Precision Motion Control
DOI10.1109/TII.2013.2290895
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaAutomation & Control Systems ; Computer Science ; Engineering
WOS SubjectAutomation & Control Systems ; Computer Science, Interdisciplinary Applications ; Engineering, Industrial
WOS IDWOS:000336669800017
The Source to ArticleScopus
Scopus ID2-s2.0-84900531450
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Document TypeJournal article
CollectionDEPARTMENT OF ELECTROMECHANICAL ENGINEERING
Corresponding AuthorXu Q.
AffiliationDepartment of Electromechanical Engineering, Faculty of Science and Technology, University of Macau, Macao, China
First Author AffilicationFaculty of Science and Technology
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Xu Q.. Design and smooth position/force switching control of a miniature gripper for automated microhandling[J]. IEEE Transactions on Industrial Informatics, 2014, 10(2), 1023.
APA Xu Q..(2014). Design and smooth position/force switching control of a miniature gripper for automated microhandling. IEEE Transactions on Industrial Informatics, 10(2), 1023.
MLA Xu Q.."Design and smooth position/force switching control of a miniature gripper for automated microhandling".IEEE Transactions on Industrial Informatics 10.2(2014):1023.
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