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Overlarge Gauge Factor Yields a Large Measuring Error for Resistive-Type Stretchable Strain Sensors

文献类型：期刊论文

作者Li S(李爽)3,4; Liu GD(刘国栋)3,4; Wang LW2; Fang GH2; Su YW(苏业旺)1,3,4
刊名ADVANCED ELECTRONIC MATERIALS
出版日期2020-09-13
页码6
关键词gauge factor stretchable strain sensors wearable electronics
ISSN号2199-160X
DOI10.1002/aelm.202000618
通讯作者Su, Yewang(yewangsu@imech.ac.cn)
英文摘要Stretchable strain sensors have recently attracted great attention due to their extensive applications in advanced devices. Plenty of work has been devoted to enlarging the gauge factor (GF) (reaching as high as 10(7)), since the conventional wisdom holds that a high GF indicates a low limit of detection and a high resolution of a sensor. Here, the effects of the GF on the measurement accuracy is investigated for resistive-type strain sensors, via the basic approach based on Ohm's law and the commonly used method of Wheatstone bridge, respectively. It is found that a bigger GF is not always better for improvement of the measurement accuracy, which is contrary to conventional wisdom. Overlarge gauge factor yields a large measuring error for resistive-type stretchable strain sensors (reaching the measuring error of 50% for GF = 5 x 10(4)under a typical measurement condition). This finding is of much significance for providing theoretical guidance for the sensor design and avoid more efforts on overlarge GF.
分类号二类/Q1
WOS关键词SKIN
资助项目National Natural Science Foundation of China[11772331] ; National Natural Science Foundation of China[11572323] ; Beijing Municipal Science and Technology Commission[Z191100002019010] ; Beijing Municipal Natural Science Foundation[2202066] ; Key Research Program of Frontier Sciences Chinese Academy of Sciences[ZDBS-LY-JSC014] ; Chinese Academy of Sciences via the Hundred Talent Program ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB22040501] ; Beijing Institute of Space Mechanics Electricity ; State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology[GZ19102]
WOS研究方向Science & Technology - Other Topics ; Materials Science ; Physics
语种英语
WOS记录号WOS:000568703400001
资助机构National Natural Science Foundation of China ; Beijing Municipal Science and Technology Commission ; Beijing Municipal Natural Science Foundation ; Key Research Program of Frontier Sciences Chinese Academy of Sciences ; Chinese Academy of Sciences via the Hundred Talent Program ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Beijing Institute of Space Mechanics Electricity ; State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology
其他责任者Su, Yewang
源URL[http://dspace.imech.ac.cn/handle/311007/85201]  
专题力学研究所_非线性力学国家重点实验室
作者单位1.Dalian Univ Technol, Dept Engn Mech, State Key Lab Struct Anal Ind Equipment, Dalian 116024, Peoples R China
2.Beijing Inst Space Mech & Elect, Beijing 100094, Peoples R China;
3.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China;
4.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China;
推荐引用方式
GB/T 7714		 Li S,Liu GD,Wang LW,et al. Overlarge Gauge Factor Yields a Large Measuring Error for Resistive-Type Stretchable Strain Sensors[J]. ADVANCED ELECTRONIC MATERIALS,2020:6.
APA 李爽,刘国栋,Wang LW,Fang GH,&苏业旺.(2020).Overlarge Gauge Factor Yields a Large Measuring Error for Resistive-Type Stretchable Strain Sensors.ADVANCED ELECTRONIC MATERIALS,6.
MLA 李爽,et al."Overlarge Gauge Factor Yields a Large Measuring Error for Resistive-Type Stretchable Strain Sensors".ADVANCED ELECTRONIC MATERIALS (2020):6.

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来源：力学研究所

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