In the context of an actively aging society, the work aims to design a walking aid product for the elderly that balances functions and experience by integrating a multi criteria decision-making model. Firstly, the physiological and cognitive needs of elderly users were obtained through questionnaire surveys and user interviews and the Kano-Dematel-ANP-Vikor multi criteria decision-making model was integrated. Then, the Kano model was used to classify user needs, and Dematel-ANP was combined to calculate the weight of needs. Finally, the Vikor method was used for scheme optimization. Based on the ranking of need weights, design strategies were formulated, and three design schemes were proposed. The optimal scheme was determined through expert scoring and Vikor method. Among the 32 user needs, 6 essential needs, 4 attractive needs, and 3 expected needs were identified. Through weight sorting, it was found that barrier free travel (0.316), safety assurance (0.252), ease of perception (0.240), and emotional care (0.192) were the key design dimensions. According to the Vikor method, Scheme II was selected as the optimal solution due to its comprehensive functions and outstanding safety performance. The multi criteria decision-making model can accurately identify the core needs of the elderly and guide the optimization and innovative design of walking aid products.
Key words
multi criteria decision-making model /
walking aid product for the elderly /
Vikor /
Dematel-Anp
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