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모바일 장치용 MEMS 기반 보행항법시스템을 위한 맵매칭 알고리즘 : Map-Matching AIgorithm for MEMS-Based Pedestrian Dead Reckoning System in the Mobile Device

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Issue Date
2008-11
Publisher
제어ㆍ로봇ㆍ시스템학회
Citation
Journal of Institute of Control, Robotics and Systems vol.14, no.11, 2008, pp.1189-1195
Keywords
map-matching algorithmPDRstep detectionstep lengthheading
Abstract
We introduce a MEMS-based pedestrian dead reckoning (PDR) system. A walking navigation algorithm for pedestrians is
presented and map-matching algorithm for the navigation system based on dead reckoning (DR) is proposed. The PDR is equipped
on the human body and provides the position information of pedestrians. And this is able to be used in ubiquitous sensor network
(USN), U-hearth monitoring system, virtual reality (VR) and etc. The PDR detects a step using a novel technique and simultaneously
estimates step length. AIso an azimuth of the pedestrian is calculated using a fluxgate which is the one of magnetometers. Mapmatching
algorithm can be formulated to integrate the positioning data with the digital road network data. Map-matching algorithm
not only enables the physical location to be identified from navigation system but also improves the positioning accuracy. However
most of map-matching algorithms which are developed previously are for the car navigation system (CNS). Therefore they are not
appropriate to implement to pedestrian navigation system based on DR system. In this paper, we propose walking navigation system
and map-matching algorithm for PDR.
ISSN
1225-9845
Language
Korean
URI
https://hdl.handle.net/10371/69242
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Mechanical Aerospace Engineering (기계항공공학부)Journal Papers (저널논문_기계항공공학부)
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