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J. Hefei Univ. Tech. (Nat. Sci.)

合肥工业大学学报(自然科学版)

JOURNAL OF HEFEI UNIVERSITY OF TECHNOLOGY (NATURAL SCIENCE)

Competent Authorities: Ministry of Education of the People's Republic of China

Sponsor by: Hefei University of Technology

ISSN 1000-1646, CN 34-1001/N

Research on human-computer interaction system for balance evaluation based on plantar force

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基于足底力的平衡评估人机交互系统研究

Journal Information

J. Hefei Univ. Tech. (Nat. Sci.), Sept.2025, Vol.48 No.9: 1161-1167, 1175

DOI: 10.3969/j.issn.1003-5060.2025.09.002

Authors

CHEN Nuo, ZHANG Yan, CAO Dadi, WANG Yong

(School of Mechanical Engineering, Hefei University of Technology, Hefei 230009, China)

Abstract and Keywords

Abstract: In response to the problems of poor human-computer interaction and single feedback in existing balance ability evaluation systems, this paper proposes a human-computer interaction strategy for balance ability evaluation, develops a balance ability evaluation device, and designs a human-computer interaction system for balance evaluation based on plantar force. The system uses center of pressure (CoP) variables and plantar force distribution information as balance evaluation feature parameters, which can achieve the evaluation of static, active, and reactive balance abilities. Using plantar pressure information as input signal, balance ability is evaluated through CoP tracking, CoP trajectory mapping, and balance evaluation feature values. The experimental results show that in the process of evaluating balance ability, sensors can accurately collect data in real time, and CoP trajectory maps can accurately reflect the deviation of the human center of gravity. The system can achieve quantitative evaluation of human balance ability.

Keywords: plantar force data; balance ability; center of pressure (CoP) variable; balance evaluation; human-computer interaction

作者信息

陈诺，张彦，曹大迪，王勇

（合肥工业大学机械工程学院，安徽合肥230009）

摘要和关键词

摘要: 针对现有平衡能力评估系统中存在的人机互动性差、交互系统反馈较单一等问题, 文章提出一种平衡能力评估人机交互策略, 研制平衡能力评估装置, 设计开发出一套基于足底力的平衡评估人机交互系统。该系统以压力中心(center of pressure, CoP)变量和足底力分布信息为平衡评估特征参数, 实现静态、主动性以及反应性平衡能力的评估; 以足底压力信息为输入信号, 通过 CoP 跟踪、CoP 轨迹图的绘制以及平衡评估特征值进行平衡能力评估。平衡能力评估试验结果表明, 系统传感器能准确实时地采集数据, 绘制的 CoP 轨迹图能准确反映人体的重心偏移情况。该人机交互系统系统可以实现对人体平衡能力评估的量化。

关键词: 足底力数据；平衡能力；CoP变量；平衡评估；人机交互

Funding

国家自然科学基金联合基金资助项目（U1713210）；安徽省重点研究与开发计划国际科技合作专项资助项目（202004b11020006）

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