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TECHNICAL PAPERS

Hierarchical Parallel Processes of Genetic Algorithms for Design Optimization of Large-Scale Products

[+] Author and Article Information
Masataka Yoshimura

Department of Precision Engineering, Graduate School of Engineering, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japane-mail: yoshimura@prec.kyoto-u.ac.jp

Kazuhiro Izui

Department of Precision Engineering, Graduate School of Engineering, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japane-mail: izui@prec.kyoto-u.ac.jp

J. Mech. Des 126(2), 217-224 (May 05, 2004) (8 pages) doi:10.1115/1.1666889 History: Received May 01, 2002; Revised June 01, 2003; Online May 05, 2004
Copyright © 2004 by ASME
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References

Figures

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Example of hierarchical structural system
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Representation of hierarchical structural system
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Diagram of crossover operation
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The basic component of the hierarchical system and its design variables and state variables
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Hierarchical system model constructed by linking basic components
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General relationship between two components
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Parallelization of the GA process on a divided structure
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Flowchart of parallel GA processes
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Decision process for adopting a sub GA process Pareto solution into the main GA process
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Selection strategy for sub GA processes
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Change of the main searching direction of a sub GA process
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Change in searching direction for a sub GA process based on elite individuals’ preference
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Hierarchical structure of the design variables of the robot arm
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Cross-sectional shape component output
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Optimization system for the robot arm design problem
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Comparison of the searching ability

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