Journal of the Korea Institute of Information and Communication Engineering (한국정보통신학회논문지)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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Design and Implementation of Kalman-filter Based User Movement Distance Algorithm Suitable for Domestic Environment

국내 환경에 적합한 Kalman-filter 기반 사용자 운동거리 측정 알고리즘 설계 및 구현

  • Received : 2019.08.14
  • Accepted : 2019.09.17
  • Published : 2019.12.31
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Abstract

With the increase in there are smart devices penetration around the world, services related to exercise checks are attracting attention. However, there is existing exercise amount measurement service does not use the altitude information, or because the use of an algorithm that does not corrected the GPS altitude error is not accurate movement distance provided have a problem. Therefore, in this paper, to improve the existing problems, Kalman-filter-based user movement distance measurement algorithm is designed and implementation of improved by using the Kalman-filter based GPS and barometric altimeter sensor fusion algorithm to improve the altitude value the accuracy and of calculate the coordinate plane distance. As a result of comparing the designed and implementation of algorithm with the existing algorithms, it is confirmed that the proposed algorithm improves the accuracy by about 2.17%.

세계적으로 스마트 디바이스 보급률이 증가하면서 운동 체크 등과 관련된 서비스들이 주목받고 있다. 그러나 기존 운동량 측정 서비스의 경우 고도 정보를 사용하지 않거나, GPS 고도 오차를 보정하지 않은 알고리즘을 사용하기 때문에 제공되는 운동거리 등이 정확하지 않다는 문제점이 있다. 따라서 본 논문에서는 기존의 문제점을 개선하기 위해 Kalman-filter를 기반으로 GPS와 기압고도계 센서 융합 알고리즘을 통해 고도 값 정확도 향상 및 좌표평면 사이거리 계산을 통해 Kalman-filter 기반 사용자 운동거리 측정 알고리즘을 설계 및 구현하였다. 설계한 알고리즘을 기존 알고리즘들과 비교한 결과, 기존 알고리즘에 비해 평균 약 2.17%의 정확도가 향상된 것을 확인하였다.

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References

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