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TECHNICAL BRIEF

Optimal Synthesis of Mechanisms for Path Generation Using Refined Numerical Representation Based Model and AIS Based Searching Method

[+] Author and Article Information
Yong Liu

CAD Center,  Huazhong University of Science and Technology, Wuhan 430074, People’s Republic of Chinalyongjjp@263.net

Renbin Xiao

CAD Center,  Huazhong University of Science and Technology, Wuhan 430074, People’s Republic of China

J. Mech. Des 127(4), 688-691 (Oct 11, 2004) (4 pages) doi:10.1115/1.1898342 History: Received July 03, 2003; Revised October 11, 2004

This paper presents an optimal synthesis method for path generation of planar mechanisms, in which a new path-description method named refined numerical representation is proposed to define the object function of the optimization model for path generation, and then the artificial immune network searching method is introduced to search candidate solutions. As a result, desired mechanisms can be generated independent of the scale, rotation, and translation transformation as well as sampling uniformity of initial sampling points. Experiment results demonstrate the effectiveness of the approach.

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Copyright © 2005 by American Society of Mechanical Engineers
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Figures

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Figure 1

The nine parameters used to define a four-bar mechanism

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Figure 2

Scheme of the revised aiNet-searching method for path generation

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Figure 3

Comparison of the DOMs of the 20 curves

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Figure 4

Paths tracked out by resulting mechanisms (No. 1–, No. 2⋯, No. 3---, No. 4-.-, Target Points 엯엯엯)

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