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http://dx.doi.org/10.9718/JBER.2011.32.1.037

Development and Assessment of Conductive Fabric Sensor for Evaluating Knee Movement using Bio-impedance Measurement Method  

Lee, Byung-Woo (Department of Electrical & Electronic Engineering, Yonsei University)
Lee, Chung-Keun (Department of Electrical & Electronic Engineering, Yonsei University)
Cho, Ha-Kyung (Korea High Tech Textile Research Institute)
Lee, Myoung-Ho (Department of Electrical & Electronic Engineering, Yonsei University)
Publication Information
Journal of Biomedical Engineering Research / v.32, no.1, 2011 , pp. 37-44 More about this Journal
Abstract
This paper describes the development and assessment of conductive fabric sensor for evaluating knee movement using bio-impedance measurement method. The proposed strip-typed conductive fabric sensor is compared with a dot-typed Ag/AgCl electrode for evaluating validity under knee movement condition. Subjects are composed of ten males($26.6{\pm}2.591$) who have not had problems on their knee. The strip-typed conductive fabric sensor is analyzed by correlation and reliability between a dot-typed Ag/AgCl electrode and the strip-typed conductive fabric sensor. The difference of bio-impedance between a dot-typed Ag/AgCl electrode and the strip-typed conductive fabric sensor averages $7.067{\pm}13.987\;{\Omega}$ As the p-value is under 0.0001 in 99% of t-distribution, the strip-typed conductive fabric sensor is correlated with a dot-typed Ag/AgCl electrode by SPSS software. The strip-typed conductive fabric sensor has reliability when it is compared with a dot-typed Ag/AgCl electrode because most of bio-impedance values are in ${\pm}1.96$ standard deviation by Bland-Altman Analysis. As a result, the strip-typed conductive fabric sensor can be used for assessing knee movement through bio-impedance measurement method as a dot-typed Ag/AgCl electrode. Futhermore, the strip-typed conductive fabric sensor is available for wearable circumstances, applications and industries in the near future.
Keywords
Strip-typed Conductive Fabric Sensor; Bio-impedance Measurement; Knee Movement Evaluation; Wearable-typed Sensor;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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