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

  • 제57권2호
  • /
  • Pages.286-293
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  • 2008
  • /
  • 1975-8359(pISSN)
  • /
  • 2287-4364(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

운동량 감시 기능을 포함한 개인항법시스템 개발

Development of a Personal Navigation System Including Activity Monitoring Function

  • 강동연 (충북대학교 제어계측공학과) ;
  • 윤희학 (충북대학교 제어계측공학과) ;
  • 차은종 (충북대학교 치공학과) ;
  • 박찬식 (충북대학교 전기전자컴퓨터공학과)
  • 발행 : 2008.02.01
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초록

The design and implementation of a personal navigation system including activity monitoring function is given in this paper. The system consists of a 3 dimensional MEMS accelerometer, digital compasses and ZigBee communication. An accelerometer and digital compasses are used to compute the position and activity. The obtained position and activity information is transmitted to a fixed beacon via ZigBee. At the same time, activity information is stored in the personal navigation system to a batch analysis program. The step detection algorithm which is robust to attaching location is proposed. Also two digital compass error compensation algorithms are proposed to find more precise headings. The experiments with a real system show that the activities of users and continuous locations less than 1.5m errors are obtained after 80m walking.

키워드

참고문헌

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