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Sustainability evaluation method based on fuzzy design structure matrix and grey theory

A technology for designing structure matrix and grey theory, applied in the direction of reasoning method, calculation, data processing application, etc., can solve the problem of not given quantitative method, difficult to guide the design process, etc., to achieve the effect of solving redundancy and inaccuracy

Pending Publication Date: 2022-05-13
UNIV OF SHANGHAI FOR SCI & TECH
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Problems solved by technology

The current description of sustainable design goals is relatively broad, and no quantitative method is given, which is difficult to guide the actual design process

Method used

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  • Sustainability evaluation method based on fuzzy design structure matrix and grey theory
  • Sustainability evaluation method based on fuzzy design structure matrix and grey theory
  • Sustainability evaluation method based on fuzzy design structure matrix and grey theory

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Embodiment Construction

[0051] In order to make the technical means and effects realized by the present invention easy to understand, the present invention will be described in detail below in conjunction with the embodiments and accompanying drawings.

[0052]

[0053] figure 1 It is a flow chart of the sustainability evaluation method based on fuzzy design structure matrix and gray theory in the embodiment of the present invention.

[0054] Such as figure 1 As shown, the sustainability evaluation method based on fuzzy design structure matrix and gray theory in this embodiment is used to evaluate the sustainability of products, including the following steps:

[0055] Step 1, establish a set of sustainability evaluation indicators, and establish a set of sub-index influencing factors under each sustainability evaluation index according to the characteristics of the product to be evaluated, and fuzzy the data in the sustainability evaluation index set and the sub-indicator influencing factor set T...

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Abstract

The invention provides a sustainability evaluation method based on a fuzzy design structure matrix and a grey theory, and the method is used for evaluating the sustainability of a product, and comprises the following steps: 1, building a sustainability evaluation index set and a sub-index influence factor set according to the characteristics of a to-be-evaluated product, a composite fuzzy matter element is formed through a fuzzy matter element method, and dimensionless numerical processing is carried out; 2, comprehensively considering subjective factors and objective factors, and determining the weight of each sub-index influence factor in the sub-index influence factor set; and step 3, weighting the composite fuzzy matter element by a weight to obtain a sustainability criterion factor incidence matrix, calculating a correlation degree based on a grey theory according to the sustainability criterion factor incidence matrix, obtaining a sustainability comprehensive evaluation index, and carrying out judgment of different schemes on a to-be-evaluated product according to the sustainability comprehensive evaluation index. And finally, selecting to obtain a comprehensive sustainable optimal scheme.

Description

technical field [0001] The invention relates to a product sustainability evaluation method, in particular to a sustainability evaluation method based on fuzzy design structure matrix and gray theory. Background technique [0002] With the gradual increase in global energy and resource consumption, human beings have gradually increased their environmental awareness of products, and are increasingly favoring green products, sustainable products, low-carbon products, etc., and pay more attention to product environmental and social benefits. At home and abroad, the awareness of sustainable design integrating environmental, economic and social factors has been recognized, and it promotes and influences each other with traditional design. It emphasizes the optimization of environmental, economic and social benefits on the basis of satisfying traditional technical performance. As we all know, the design phase determines more than 70% of the performance of the product's entire life ...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06N5/04
CPCG06Q10/063G06Q10/0639G06N5/048
Inventor 冯春花黄玉贵陈翔
Owner UNIV OF SHANGHAI FOR SCI & TECH
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