Abstract
Product evaluation is very important for product improvement and development, and subjective product evaluation determines customer’s evaluation of products to some extent, so the purpose of this study is to establish a reasonable subjective product evaluation system. In this study, we comprehensively determine the evaluation indexes based on Kansei engineering (KE), establish an overall product evaluation system by using analytic hierarchy process (AHP), and establish the subjective product evaluation system by classifying the evaluation indexes in the overall product evaluation system into “objective evaluation index” and “subjective evaluation index”, removing the objective evaluation indexes, and retaining the subjective evaluation indexes. Additionally, we select some modern chairs as experimental samples to verify the reliability and validity of this subjective product evaluation system by means of questionnaires. The experimental results show that, in this subjective product evaluation system, the subjective evaluation of the product is positively correlated with the “favorite” level of the product in comprehensive evaluation, and negatively correlated with the “least favorite” level of the product in comprehensive evaluation, indicating that this subjective product evaluation system realizes a symmetry between subjective product evaluation and comprehensive product evaluation. Therefore, it can be concluded that this subjective product evaluation system based on KE and AHP proposed in this study has reliability and validity, and can be used for product evaluation to judge the popularity of products and enhance the competitiveness of products.
Highlights
The trend of product development has already changed towards the consumer-oriented; namely, the consumer’s feeling and needs are recognized as invaluable in product development for manufacturers [1,2]
In this study, we take “aesthetic attribute”, “functional attribute”, “commercial attribute”, and “human-oriented attribute” as the base point, excavate the evaluation indexes that affect product evaluation under these four attributes based on Kansei engineering (KE), and construct the overall product evaluation framework based on analytic hierarchy process (AHP)
The overall product evaluation system includes subjective evaluation indexes that can thebeelements in subjective the overallfeelings, productbut evaluation system, according to thethat weight relationships scored by objective evaluation indexes can only be scored between based these elements, as shown in on the objective information and data of products, rather than the customer’s visual impression and
Summary
The trend of product development has already changed towards the consumer-oriented; namely, the consumer’s feeling and needs are recognized as invaluable in product development for manufacturers [1,2]. Different from conventional emotional design methods, KE is a consumer-oriented ergonomics-based product design support technology that transforms vague emotional needs and images into design elements of products [3,8]. Chang and Chen established a KE model that can integrate the interrelations of constituent elements to determine consumer emotional perception and preferences in a case regarding steering wheel design [9]; Cucuk et al conducted research to determine the elements that must be considered in desk and chair design for elementary school, and KE is used in this research to capture
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