Evaluation and decision of products conceptual design schemes based on customer requirements |
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Authors: | Huang Hong-Zhong Li Yanfeng Liu Wenhai Liu Yu Wang Zhonglai |
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Affiliation: | 1.School of Mechatronics Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan, 611731, China ;2.China Science Patent Trademark Agents Ltd., Beijing, 100083, China ; |
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Abstract: | Within the competitive market environment, understanding customer requirements is crucial for all corporations to obtain market
share and survive competition. Only the products exactly meeting customer requirements can win in the market place. Therefore,
customer requirements play a very important role in the evaluation and decision process of conceptual design schemes of products.
In this paper, an evaluation and decision method based on customer requirements is presented. It utilizes the importance of
customer requirements, the satisfaction degree of each evaluation metric to the specification, and an evaluation metric which
models customer requirements to evaluate the satisfaction degree of each design scheme to specific customer requirements via
the proposed BP neural networks. In the evaluation and decision process, fuzzy sets are used to describe the importance of
customer requirements, the relationship between customer requirements and evaluation metrics, the satisfaction degree of each
scheme to customer requirements, and the crisp set is used to describe the satisfaction degree of each metric to specifications.
The effectiveness of the proposed method is demonstrated by an example of front suspension fork design of mountain bikes. |
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