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  HomeContents of Chinese Journal of Mechanical Engineering 2005 No.1GENE EXPRESSION-BASED MULTI-OBJECTIVE OPTIMIZATION CONCEPTUAL DESIGN OF PRODUCT STRUCTURE

GENE EXPRESSION-BASED MULTI-OBJECTIVE OPTIMIZATION CONCEPTUAL DESIGN OF

PRODUCT STRUCTURE

 

Zhao Tingting

(School of Mechanical Engineering, Dalian University of Technology,  Dalian  116023)

Wei Xiaopeng

(Advanced Design Technology Center, Dalian University,  Dalian  116622)

 

Abstract: Selecting optimization structure is the key problem of the researchers in the fields of conceptual design. According to the relationships between structure and function, the mathematical models of multi-object optimization structure design are provided. Some concepts about gene expression and correlation matrix are defined. An improved genetic algorithm called segmenting genetic algorithm is proposed. An example is given to show that this method is able to realize the automatic design of selecting optimization structure. In addition, this segmenting genetic algorithm can provide good on-line and off-line performances.

Key words: Gene expression  Conceptual design  Genetic algorithm  Correlation matrix

CLC No: TH122  TP391.72

国家863高技术研究发展计划(2001AA412011)和国家自然科学基金(60174037,50275013)资助项目. Received 20040225, received in revised form 20040825

 

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