Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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Design and Implementation of Pedestrian Position Information System in GPS-disabled Area

GPS 수신불가 지역에서의 보행자 위치정보시스템의 설계 및 구현

  • 곽휘권 (삼성탈레스 미래전투그룹) ;
  • 박상훈 (삼성탈레스 미래전투그룹) ;
  • 이춘우 (삼성탈레스 미래전투그룹)
  • Received : 2012.06.28
  • Accepted : 2012.09.06
  • Published : 2012.09.30
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Abstract

In this paper, we propose a Pedestrian Position Information System(PPIS) using low-cost inertial sensors in GPS-disabled area. The proposed scheme estimates the attitude/heading angle and step detection of pedestrian. Additionally, the estimation error due to the inertial sensors is mitigated by using additional sensors. We implement a portable hardware module to evaluate performance of the proposed system. Through the experiments in indoor building, the estimation error of position information was measured as 2.4% approximately.

본 논문에서는 GPS 수신 불가지역에서 저가형 관성센서를 활용한 보행자용 위치정보시스템을 제안한다. 제안 기법은 보행자의 자세/방향각, 걸음검출 및 보폭 크기를 추정하고, 보조센서 등을 활용하여 위치오차를 줄인다. 제안 시스템은 보행자가 휴대할 수 있는 소형/경량화/저전력 설계된 H/W 모듈 형태로 구현을 하였으며, 건물 내에서의 보행자 이동 실험을 통해 제안 시스템의 성능을 검증하였다. 실험결과를 통해 보행자가 약 160m 이동시 약 2.4%의 위치오차율을 갖는 결과를 얻었다.

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References

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