Weighting objectives strategy in multicriterion fuzzy mechanical and structural optimization

doi:10.12989/sem.1995.3.4.373

淡江大學機構典藏 > 工學院 > 機械與機電工程學系暨研究所 > 期刊論文 > Item 987654321/45761

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题名:	Weighting objectives strategy in multicriterion fuzzy mechanical and structural optimization
作者:	Shih, C. J.;Yu, K. C.
贡献者:	淡江大學機械與機電工程學系
日期:	1995-07-01
上传时间:	2010-03-26 19:53:06 (UTC+8)
出版者:	Daejeon: Techno Press
摘要:	The weighting strategy has received a great attention and has been widely applied to multicriterion optimization. This gaper examines a global criterion method (GCM) with the weighting objectives strategy in fuzzy structural engineering problems. Fuzziness of those problems are in their design goals, constraints and variables. Most of the constraints are originated from analysis of engineering mechanics. The GCM is verified to be equivalent to fuzzy goal programming via a truss design. Continued and mixed discrete variable spaces are presented and examined using a fuzzy global criterion method (FGCM). In the design process a weighting parameter with fuzzy information is introduced into the design and decision making. We use a uniform machine-tool spindle as an illustrative example in continuous design space. Fuzzy multicriterion Optimization in mixed design space is illustrated by the design of mechanical spring stacks. Results show that weighting strategy in FGCM can generate both the best compromise solution and a set of Pareto solutions in fuzzy environment. Weighting technique with fuzziness provides a more relaxed design domain, which increases the satisfying degree of a comromise solution or improves the final design.
關聯:	Structural engineering and mechanics 3(4), pp.373-382
DOI:	10.12989/sem.1995.3.4.373
显示于类别:	[機械與機電工程學系暨研究所] 期刊論文

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