The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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Development and Evaluation Archery Posture Analysis System using Inertial Sensor

관성센서를 이용한 양궁자세 분석 시스템 구축 및 평가

  • Cho, WooHyeong (Dept. of Electrical and Electronic Engineering, Inha University) ;
  • Quan, Cheng-Hao (Institute for Information and Electronic Research(IIER), Inha University) ;
  • Kwon, Jang-Woo (Dept. of Computer Information Engineering, Inha University) ;
  • Lee, Sangmin (Dept. of Electrical and Electronic Engineering, Inha University)
  • Received : 2016.06.23
  • Accepted : 2016.09.19
  • Published : 2016.10.01
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Abstract

In this paper, we provide a development and evaluation method for an archery posture analyzing system, using an inertial sensor. The system was developed using LabVIEW2014 by National Instruments and evaluated using the DTW algorithm. To convert the voltage value of the inertial sensor into a physical value, a coordinate transformation matrix bias was applied. To evaluate the similarity of movement in archery shooting, the DTW distance was calculated and similarity was confirmed based on simple mechanical movement, the same person's shooting movement, shooting movement with another person, and the noise signal. The average similarity comparison results were as follows: simple mechanical movement was 17.05%, the same person's shooting movement was 26.48%, shooting movement with another person was 62.8%, and the noise signal was 328.5%; a smaller value indicates a higher level of similarity. We confirmed the possibility of analyzing the archery posture using 3-axis acceleration of the inertial sensor. We inferred that the proposed method might be important means for assessing shooting skills, evaluation of archer's progress, and finding talented archers in advance.

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References

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