Abstract
With interdisciplinarity being an important characteristic of contemporary product design, the evaluation of design alternatives also involves multiple disciplines, and the evaluator group usually consists of evaluators from different fields and with obvious heterogeneous characteristics. To effectively satisfy the heterogeneous needs of evaluators and improve the credibility of evaluation results, the paper introduces a consensus-reaching approach that incorporates multiple preferences to the evaluation of product design alternatives. First, in order to obtain individual preference information, each evaluator is asked to evaluate all the design alternatives using a preference structure that he/she is familiar with. Second, we use a transfer function to uniform the evaluation information obtained from various preference structures into a complementary judgment matrix. Then, we use the Hybrid Weighted Averaging (HWA) operator weight determination model to aggregate the preference information and obtain the group preference information. Then, we measure the consensus degree between individual evaluators and the group using a consensus measurement method. After that, we use the feedback mechanism to instruct individual evaluators to modify their preferences until a consensus is achieved. We explain the application steps and the feasibility of this approach through the evaluation of the design alternatives of multichannel fluorescence immunochromatography analyzers (MFIAs).
Highlights
In today’s fast-developing global market, industrial design has become a holistic, interdisciplinary, and integrated design activity
This paper studies the evaluation of product design alternatives with multiple preference structures
To solve the problem of the inability to express a certain form of information caused by the heterogeneity of the evaluators in the product design evaluation process, avoid the lack of information caused by using the same form of preference, ensure that all evaluators can naturally and accurately express their preferences, and ensure that a certain degree of consensus on the pros and cons of the program is reached in the case of heterogeneity among evaluators, this paper proposes an approach for reaching consensus with mixed preference information on the evaluation of product design alternatives
Summary
In today’s fast-developing global market, industrial design has become a holistic, interdisciplinary, and integrated design activity. In the evaluation of product design alternatives, multiple disciplines are concerned, and the heterogeneity among evaluators is prominent due to differences in ethnic culture, social experience, knowledge background, cognition, etc. E rest of the paper is organized as follows: Section 2 reviews the literature that discusses the evaluation and selection of product design alternatives and the group consensus process; Section 3 proposes and elaborates the approach to reach a consensus in the evaluation of alternatives with multiple preference structures; Section 4 presents a numerical example to explain the detailed process of the proposed method; Section 5 summarizes the paper and discusses the significance and limitations of the proposed method
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