Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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Evaluation of Electronic Pedal in Commercial Vehicles using Physiology Analysis of Electromyography

근전도 생리 분석을 이용한 상용차용 전자페달의 평가

  • Kim, Jae-Jun (Department of Healthcare Engineering, Chonbuk Nat'l Univ.) ;
  • Kim, Kyung (Department of Biomedical Engineering, Chonbuk Nat'l Univ.) ;
  • Shin, Sun-Hye (Division of Bioinformatics Engineering, Chonbuk Nat'l Univ.) ;
  • Yu, Chang-Ho (Graduate school of Biomedical Engineering, Tohoku Univ.) ;
  • Jeong, Gu-Young (Center for Healthcare Technology development, Chonbuk Nat'l Univ.) ;
  • Oh, Seung-Yong (Dong suh Control Co., Ltd.) ;
  • Kwon, Tae-Kyu (Division of Biomedical Engineering, Chonbuk Nat'l Univ.)
  • 김재준 (전북대학교 헬스케어공학과) ;
  • 김경 (전북대학교 의용생체공학과) ;
  • 신선혜 (전북대학교 생체정보공학부) ;
  • 유창호 (도호쿠대학교 의공학연구과) ;
  • 정구영 (전북대학교 헬스케어기술개발사업단) ;
  • 오승용 (동서컨트롤(주)) ;
  • 권대규 (전북대학교 바이오메디컬공학부)
  • Received : 2010.03.26
  • Accepted : 2011.07.29
  • Published : 2011.12.01
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Abstract

In this paper, we assessed muscular activities of lower limbs and foot pressure for car and bus drivers according to operating three electronic pedals that we developed. To analyze drivers' physical exhaustion, muscular fatigue of lower limbs was evaluated. Eleven car drivers and six urban bus drivers were participated in this experiment. The virtual driving system was used for the real driving environment. The virtual driving system was comprised of a spring seat, a steering wheel, pedals (clutch, excel and brake pedals), a manual transmission and a virtual driving simulation. For the real vibration like situation on the road, six degree of freedom motion base system was used. Measured muscles were rectus femoris (RF), biceps femoris (BF), tibialis anterior (TA) and gastrocnemius (Gn) muscles. For the quantitative muscular activities, integrated electromyography (IEMG) was analyzed. Muscular fatigues also were analyzed through the analysis of the median frequency. In addition, foot pressures were analyzed and compared through the peak and averaged pressure during the operating three developed electronic pedals. The experiments are conducted with total 17 drivers, 11 general public and 6 drivers. As a result of the analysis, electromyogram and fatigue analysis through intermediate frequency reduction for pedal-1 more efficient than other pedals. And foot pressure also was decreased. Consequently, we suggested the most efficient pedal and method to minimize the amount of cumulative fatigue.

Keywords

References

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