NDLI: Fuzzy multi-objective optimization for movement performance of deep-notch elliptical flexure hinges.

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Fuzzy multi-objective optimization for movement performance of deep-notch elliptical flexure hinges.

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Fuzzy multi-objective optimization for movement performance of deep-notch elliptical flexure hinges.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Cui, Zhi Chen, Xifu Lu, Qian
Description	Country affiliation: China Author Affiliation: Lu Q ( School of Mechanical Engineering, Yancheng Institute of Technology, Yancheng City, Jiangsu Province 224051, China.); Cui Z ( School of Mechanical Engineering, Yancheng Institute of Technology, Yancheng City, Jiangsu Province 224051, China.); Chen X ( School of Mechanical Engineering, Yancheng Institute of Technology, Yancheng City, Jiangsu Province 224051, China.)
Abstract	Compared with commonly used flexure hinges, deep-notch elliptical flexure hinges are more suitable for flexible mechanisms with high precise transmission requirements. The rotation stiffness model of deep-notch elliptical flexure hinges was built first, and the compliance matrix was analyzed and solved by using Newton-Cotes quadrature formula to simplify the calculation of compliance coefficients; on the other hand, the fuzzy multi-objective optimization model with distribution was constructed, and a detailed example was given out to validate the effectiveness of the fuzzy optimization. The experiment results show that the desired angular displacement (z) around the z axis is increased by 30.13%; while the undesired (y) that around the y axis is decreased by 15.74% in experiment. The line displacements of Δ(y) and Δ(z) along the Y and Z axes are decreased by 18.15% and 47.69%, respectively. All the optimization data show that after the fuzzy optimization, the rotation capacity of z axis has been raised, and the motion capacity of the undesired directions has been restrained, so that the movement precision and the performance of the deep-notch elliptical flexure hinge can be improved, which is more suitable for the optical waveguide packaging positioning platform with high precision transmission.
ISSN	00346748
Issue Number	6
Journal	Review of Scientific Instruments
Volume Number	86
e-ISSN	10897623
Language	English
Publisher	American Institute of Physics
Publisher Date	2015-06-01
Publisher Place	United States
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Physics Discipline Chemistry
Content Type	Text
Resource Type	Article
Subject	Medicine Instrumentation

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