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Algorithms 2015, 8(3), 424-434;

Multi-Objective Design Optimization of an Over-Constrained Flexure-Based Amplifier

Research Center of Aerospace Mechanism and Control, Harbin Institute of Technology, Harbin 150080, China
Department of Automatic Test and Control, Harbin Institute of Technology, Harbin 150001, China
Shanghai Key Laboratory of Mechanical Automation and Robotic, Shanghai University, Shanghai 200444, China
Author to whom correspondence should be addressed.
Academic Editor: Henning Fernau
Received: 14 April 2015 / Revised: 21 June 2015 / Accepted: 25 June 2015 / Published: 8 July 2015
(This article belongs to the Special Issue Machine Learning Algorithms for Big Data)
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The optimizing design for enhancement of the micro performance of manipulator based on analytical models is investigated in this paper. By utilizing the established uncanonical linear homogeneous equations, the quasi-static analytical model of the micro-manipulator is built, and the theoretical calculation results are tested by FEA simulations. To provide a theoretical basis for a micro-manipulator being used in high-precision engineering applications, this paper investigates the modal property based on the analytical model. Based on the finite element method, with multipoint constraint equations, the model is built and the results have a good match with the simulation. The following parametric influences studied show that the influences of other objectives on one objective are complicated. Consequently, the multi-objective optimization by the derived analytical models is carried out to find out the optimal solutions of the manipulator. Besides the inner relationships among these design objectives during the optimization process are discussed. View Full-Text
Keywords: mechanical amplifier; multi-objective optimization; analytical model mechanical amplifier; multi-objective optimization; analytical model

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Ni, Y.; Deng, Z.; Li, J.; Wu, X.; Li, L. Multi-Objective Design Optimization of an Over-Constrained Flexure-Based Amplifier. Algorithms 2015, 8, 424-434.

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