센서학회지 (Journal of Sensor Science and Technology)

  • 제20권2호
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  • Pages.131-136
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  • 2011
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  • 1225-5475(pISSN)
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  • 2093-7563(eISSN)
한국센서학회 (The Korean Sensors Society)
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3축 가속도 센서 기반의 무선 진동 측정 시스템

Wireless Vibration Measurement System Using a 3-Axial Accelerometer Sensor

  • 유주연 (부산대학교 의학전문대학원 의공학협동과정) ;
  • 박근철 (부산대학교 의학전문대학원 의공학협동과정) ;
  • 전아영 (부산대학교 의학전문대학원 의공학협동과정) ;
  • 김철한 (명자전자 기업부설연구소) ;
  • 김윤진 (부산대학교 의학전문대학원 가정의학교실) ;
  • 노정훈 (부산대학교 의학전문대학원 의공학협동과정) ;
  • 전계록 (부산대학교 의학전문대학원 의공학협동과정)
  • Yoo, Ju-Yeon (Department of Biomedical Engineering, School of Medicine, Pusan National University) ;
  • Park, Geun-Chul (Department of Biomedical Engineering, School of Medicine, Pusan National University) ;
  • Jeon, Ah-Young (Department of Biomedical Engineering, School of Medicine, Pusan National University) ;
  • Kim, Cheol-Han (Myung-ja Electronics Research Institute) ;
  • Kim, Yun-Jin (Department of Family Medicine, School of Medicine, Pusan National University) ;
  • Ro, Jung-Hoon (Department of Biomedical Engineering, School of Medicine, Pusan National University) ;
  • Jeon, Gye-Rok (Department of Biomedical Engineering, School of Medicine, Pusan National University)
  • 투고 : 2010.11.01
  • 심사 : 2011.03.17
  • 발행 : 2011.03.31
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초록

In this study, a compact wireless vibration measurement system was developed using a 3-axial accelerometer in order to evaluate the vibration stimulation system. A low power microprocessor chip integrated with 2.4 GHz RF transceiver was used for the wireless data communication. To evaluate the system, the frequencies and accelerations from the vibration stimulation system were measured using an LVDT sensor and a vibration measurement system. The average frequency difference by the measurement system was less than 0.1 Hz, and the standard deviation of frequencies estimated by the LVDT sensor and the accelerometer was below 0.08 Hz. The developed system was applied to access a vibration stimulation system for the future study. The average acceleration difference of the central and peripheral point of the stimulation system was less than 0.0005 g(1 g=9.8 $m/s^2$), and the standard deviation of the acceleration was below 0.004 g, which shows the usefulness of the wireless vibration measurement system.

키워드

참고문헌

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