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图学学报

图学学报 ›› 2021, Vol. 42 ›› Issue (5): 841-848.DOI: 10.11996/JG.j.2095-302X.2021050841

• 工业设计 • 上一篇    下一篇

面向关键用户需求的踝足矫形器定制化设计方法

  

  1. 燕山大学艺术与设计学院，河北 秦皇岛 066000
  • 出版日期:2021-10-31 发布日期:2021-11-03
  • 基金资助:
    2020河北省教育厅高等学校青年拔尖人才计划项目(BJ2020088)；燕山大学“新冠肺炎”疫情研究专项课题(20FYC03)

Customized design method of ankle-foot orthosis oriented to the needs of key users

  1. School of Art and Design, Yanshan University, Qinhuangdao Hebei 066000, China
  • Online:2021-10-31 Published:2021-11-03
  • Supported by:
    2020 Top Young Talents Program of Hebei Education Department (BJ2020088); Research on COVID-19 of Yanshan University (20FYC03)

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摘要： 针对现有踝足矫形器(AFO)适配性差、用户满意度较低的问题，提出了一种面向关键用户需求 的 AFO 定制设计流程与方法。通过用户访谈、问卷调查获取原始用户需求，将因子分析与层次分析法结合， 确立关键用户需求权重；再利用 TRIZ 理论解决关键需求冲突，得出产品创新方向；借助 3D 扫描技术与逆向 工程软件，获取精确的小腿加足数字化模型，根据小腿加足骨骼与生理曲面的特点，利用三维建模构建 AFO 基础模型；在 Ansys Workbench 中对其进行拓扑优化生成 AFO 轻量化设计方案；最终通过模糊综合评价与偏 差分析，确定设计方案适配性良好，验证了定制设计流程与方法的可行性。

关键词: 踝足矫形器, 用户需求, 轻量化, 定制设计 

Abstract: Aiming at the problems of poor adaptability and low user satisfaction of the existing Ankle-Foot Orthosis (AFO), an AFO custom design process and method oriented to key users’ needs was proposed. The original user needs were identified through user interviews and questionnaire surveys, and the weight of key users’ needs was established through factor analysis and analytic hierarchy process. Then the TRIZ theory was adopted to resolve conflicts of key demands and specify product innovation directions. With the help of 3D scanning technology and reverse engineering software, an accurate digital model of calf plus foot was obtained, and 3D modeling was employed to construct AFO basic model based on the characteristics of calf plus foot bone and physiological surface. The model was topologically optimized in Ansys Workbench to generate the AFO lightweight design plan. Finally, through the fuzzy comprehensive evaluation by analyzing the deviations, it is determined that the design scheme is of high adaptability, which verifies the feasibility of the customized design process and method. 

Key words: ankle-foot orthosis, user needs, lightweight, custom design 

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