Application of 3D Vector Space and Best Worst Method in Decision-making Method of Green Product Design
In order to solve the problem of lack of consideration of basic product attributes and lack of visual comparison methods in current green product design schemes,a multiple attribute decision-making method for green product design based on 3D vector space and Best Worst Method(BWM)was proposed.Firstly,the model is constructed as a 3D vector space through the three dimensions of function,exterior and sustainability for the basic attributes of green product design,and the lower-level attributes of each dimension was expanded.Secondly,BWM that in-corporates the interval method was used to obtain the weight distribution of the three dimensions and the lower-level attributes of each dimension.Then,the overall evaluation score of each alternative was obtained through the 3D vector space to realize the objective and scientific multi-attribute decision-making of green product design.Finally,the feasibility and effectiveness of the proposed method was verified by taking the green product design scheme of electric vehicles as an example.
3D vector spacebest worst methodgreen productsustainable designmultiple attribute decision making
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