NDLI: Development of Multi-Stage and Hybrid Real-Coded Genetic Algorithms With Active Constraints

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Mimura, Yasunari Yoshimura, Shinobu Hiroyasu, Tomoyuki Miki, Mitsunori
Abstract	In this study, we propose multi-stage and hybrid real-coded genetic algorithm. In the proposed algorithm, there are two stages. In the first stage, Real-coded Genetic Algorithm with Active Constraints (RGAAC) is applied to find a solution that is close to the global optimum. In RGAAC, indviduals who are out of the feasible region are pulled back into feasible region. Therefore, the effective search can be carried out even in the constraints problems. In the second stage, Feasible Region Limiting Method (FRLM) is applied to obtain an optimum solution. FRLM uses the solution that is derived in the first stager as an initial point. In this study, RGAAC is applied to solve the truss structure problems. Through these problems, the effectiveness and the searching mechanism of RGAAC is discussed. The, the proposed algorithm is also applied to 2D problem. In this problem, there are about 1000 design variables. The proposed method can derive the reasonable solution. From these results, it is concluded that the proposed method is effective to solve optimzation problems of large scale structures.
Sponsorship	Design Engineering Division and Computers and Information in Engineering Division
Starting Page	217
Ending Page	223
Page Count	7
File Format	PDF
ISBN	0791836223
DOI	10.1115/DETC2002/DAC-34059
e-ISBN	0791836037
Volume Number	Volume 2: 28th Design Automation Conference
Conference Proceedings	ASME 2002 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
Language	English
Publisher Date	2002-09-29
Publisher Place	Montreal, Quebec, Canada
Access Restriction	Subscribed
Content Type	Text
Resource Type	Article

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