A new design of piezoelectric driven compliant-based microgripper for micromanipulation

Zubir, Mohd Nashrul Mohd and Shirinzadeh, Bijan and Tian, Yanling (2009) A new design of piezoelectric driven compliant-based microgripper for micromanipulation. Mechanism and Machine Theory, 44 (12). pp. 2248-2264. ISSN 0094-114X, DOI https://doi.org/10.1016/j.mechmachtheory.2009.07.006.

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Official URL: https://doi.org/10.1016/j.mechmachtheory.2009.07.0...


This paper describes the development of a microgripper mechanism capable of delivering high precision and fidelity manipulation of micro objects. The mechanism adopts a flexure-based concept on its joints to address the inherent nonlinearities associated with the application of conventional rigid hinges. A combination of two modeling techniques namely Pseudo Rigid Body Model (PRBM) and Finite Element Analysis (FEA) was implemented to expedite the prototyping procedure which leads to the establishment of high performance mechanism. A wire Electro Discharge Machining (EDM) technique was utilized to fabricate the monolithic structure of the gripper mechanism. Experimental studies were conducted on the model prototype to obtain various correlations governing the gripper performance as well as for model verification. The experimental results demonstrate a high level of integrity in comparison to the computational analysis. A high amplification characteristic and maximum stroke of 100 μm can be achieved. © 2009 Elsevier Ltd. All rights reserved.

Item Type: Article
Funders: Australian Research Council, ARC Discovery-DP0668052, ARC LIFE-LE 0668508, ARC Discovery-DP0450944, and ARC LIFE-LE0453629
Uncontrolled Keywords: Microgripper; Piezoelectric actuator; Compliant mechanism; Bias spring; Microassembly
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 13 Jul 2020 06:22
Last Modified: 13 Jul 2020 06:22
URI: http://eprints.um.edu.my/id/eprint/25074

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