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오한별(Han-Byeol Oh),김지선(Ji-Sun Kim),김아희(A-Hee Kim),고봉준(Bong-Jun Goh),김준식(Jun-Sik Kim),이은숙(Eun-Suk Lee),최주현(Ju-Hyeon Choi),전재훈(Jae-Hoon Jun) 대한전기학회 2015 전기학회논문지 Vol.64 No.5
Joint angle generally can be measured to check the recovery process in rehabilitation field. This paper suggests to measure joint angle with Infrared sensor based on triangulation principle. We performed various experiments to find the optimal condition of the sensor’s attached distance, height, and angle. The results were compared with commercial goniometer for accuracy. The proposed infrared joint angle sensor can be effectively used in rehabilitation and sport science fields.
김아희(A-Hee Kim),김지선(Ji-Sun Kim),오한별(Han-Byeol Oh),김준식(Jun-Sik Kim),고봉준(Bong-Jun Goh),이은숙(Eun-Suk Lee),정현철(Hyon-Chel Jung),최주현(Ju-Hyeon Choi),백진영(Jin-Young Baek),전재훈(Jae-Hoon Jun) 대한전기학회 2015 전기학회논문지 Vol.64 No.4
The measurement and analysis of angular change have been studied in many fields. This study developed an angle measurement technique with optical fiber and photodiode. The position and attached angle of photodiode were investigated to find the proper combination of parameter. The results showed that the increased measuring range was achieved when the position of detector was away from the center of rotation. Inverse mathematical model was used to obtain angular changes with an optical fiber. The applications of this study include in optical sensor, joint angle measurement, and sport science.