Wearable Stretch Sensors for Motion Measurement of the Wrist Joint Based on Dielectric Elastomers

被引：77

作者：

Huang, Bo ^{[1
]}

Li, Mingyu ^{[1
]}

Mei, Tao ^{[1
]}

McCoul, David ^{[2
]}

Qin, Shihao ^{[1
]}

Zhao, Zhanfeng ^{[3
]}

Zhao, Jianwen ^{[1
]}

机构：

[1] Harbin Inst Technol, Dept Mech Engn, Weihai 264209, Peoples R China

[2] Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA

[3] Harbin Inst Technol, Dept Elect Engn, Weihai 264209, Peoples R China

来源：

SENSORS | 2017年 / 17卷 / 12期

基金：

中国国家自然科学基金;

关键词：

dielectric elastomer sensors; wearable sensors; motion capture; soft sensors; STRAIN SENSORS; ROBUST;

D O I：

10.3390/s17122708

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Motion capture of the human body potentially holds great significance for exoskeleton robots, human-computer interaction, sports analysis, rehabilitation research, and many other areas. Dielectric elastomer sensors (DESs) are excellent candidates forwearable humanmotion capture systems because of their intrinsic characteristics of softness, light weight, and compliance. In this paper, DESs were applied to measure all component motions of the wrist joints. Five sensors were mounted to different positions on the wrist, and each one is for one component motion. To find the best position to mount the sensors, the distribution of the muscles is analyzed. Even so, the component motions and the deformation of the sensors are coupled; therefore, a decoupling method was developed. By the decoupling algorithm, all component motions can be measured with a precision of 5 degrees, which meets the requirements of general motion capture systems.

引用

页数：12

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