目的 针对膝关节受损人群的康复需求,为解决现有下肢康复辅具用户体验欠佳、使用场景有限的问题,基于系统工程V模型,从需求定义逐步分解至系统设计、模块实现与阶段验证,提出一种基于V模型逻辑的系统化下肢康复产品设计方法。方法 首先通过扎根理论对实地访谈与问卷调研的结果进行三级编码,提取用户需求,并结合下肢康复理论对产品的基本功能进行分析;再利用可拓创新方法将关键需求与功能分析映射为具体设计参数,形成功能单元设计方案;测试环节通过分阶段的ANSYS Workbench软件仿真,验证产品结构的合理性与材料强度的安全性。结果 该方法有效整合用户需求与工程约束,实现了用户需求向功能结构的映射,并通过有限元分析验证了关键部件的结构可靠性,为智能康复产品的系统化开发提供了理论支撑与实践参考。结论 研究验证了V模型在下肢康复产品设计中的适应性,同时为多学科协同设计流程优化提供了新思路。
Abstract
The work aims to gradually decompose from needs definition to system design, module implementation and stage verification based on the system engineering V model, and propose a systematic lower limb rehabilitation product design method based on the logic of the V model, to meet the rehabilitation needs of people with knee joint injuries, and address the issues of suboptimal user experience and limited application scenarios of existing lower limb rehabilitation aids. Firstly, the grounded theory was applied to conduct three-level coding of data collected from field interviews and questionnaire surveys to extract user needs, and the basic functions of the product were analyzed in combination with the lower-limb rehabilitation theory. Then, the extension innovation method was employed to map key needs and functional analyses into specific design parameters, forming a functional unit design scheme. In the testing phase, phased simulations using ANSYS Workbench software were conducted to verify the structural rationality and material strength safety of the product. The results showed that this method effectively integrated user needs with engineering constraints, achieved the systematic mapping of user needs to functional structures, and verified the structural reliability of key components through finite element analysis. This work provided theoretical and practical support for the systematic development of intelligent rehabilitation products. The research validates the applicability of the V-model in this field, and offers insights for optimizing multidisciplinary collaborative design processes.
关键词
产品设计 /
V模型 /
扎根理论 /
可拓理论 /
康复辅具
Key words
product design /
V model /
grounded theory /
extension theory /
rehabilitation aids
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基金
教育部人文社会科学研究规划（24YJAZH070）; 湖北省教育厅哲学社会科学研究项目（23D043）
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