Design of Home-use Intelligent Nursing Beds for the Semi-dependent Elderly Based on the LDA-QFD-AD Model

CHEN Min; BU Kaihui

doi:10.19554/j.cnki.1001-3563.2026.12.026

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Packaging Engineering ›› 2026, Vol. 47 ›› Issue (12) : 313-324. DOI: 10.19554/j.cnki.1001-3563.2026.12.026

Design Discussion

Design of Home-use Intelligent Nursing Beds for the Semi-dependent Elderly Based on the LDA-QFD-AD Model

CHEN Min, BU Kaihui

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Abstract

To address the gap between demand mining, demand transformation and verification for intelligent nursing beds in the home care scenario of the semi-dependent elderly, the work aims to propose an integrated method combining data-driven analysis, characteristic transformation and axiomatic inspection to improve the functional adaptability and user satisfaction of intelligent nursing beds for the semi-dependent elderly. The Latent Dirichlet Allocation (LDA) model was employed to mine implicit user demand topics from e-commerce review texts. Based on 4 021 pieces of comment data from JD.com, four core demand categories were extracted, including safety protection, comfort experience, easy operation and daily maintenance. The Quality Function Deployment (QFD) method was applied to convert demand weights into the priority of technical characteristics. Furthermore, Axiomatic Design (AD) theory was utilized to screen design schemes and optimize design parameters. Ultimately, a three-tiered "user demand-design requirement-functional parameter" mapping framework was established. Seven key functional and technical parameters were identified, a home-use intelligent nursing bed scheme for the semi-dependent elderly was developed, and user evaluation scores were collected via the Likert scale. The LDA-QFD-AD integration not only enables precise translation of user demands into engineering solutions but also provides a cross-disciplinary methodological foundation for developing age-friendly assistive technologies.

Key words

semi-dependent elderly / intelligent nursing bed / LDA topic model / Quality Function Deployment (QFD) / Axiomatic Design (AD)

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CHEN Min, BU Kaihui. Design of Home-use Intelligent Nursing Beds for the Semi-dependent Elderly Based on the LDA-QFD-AD Model[J]. Packaging Engineering. 2026, 47(12): 313-324 https://doi.org/10.19554/j.cnki.1001-3563.2026.12.026

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