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http://dx.doi.org/10.7855/IJHE.2011.13.2.175

Algorithm for Identifying Highway Horizontal Alignment using GPS/INS Sensor Data  

Jeong, Eun-Bi (한양대학교 교통공학과)
Joo, Shin-Hye (한양대학교 교통공학과)
Oh, Cheol (한양대학교 교통공학과)
Yun, Duk-Geun (한국건설기술연구원 도로연구실)
Park, Jae-Hong (한국건설기술연구원 도로연구실)
Publication Information
International Journal of Highway Engineering / v.13, no.2, 2011 , pp. 175-185 More about this Journal
Abstract
Geometric information is a key element for evaluating traffic safety and road maintenance. This study developed an algorithm to identify horizontal alignment using global positioning system(GPS) and inertial navigation system(INS) data. Roll and heading information extracted from GPS/INS were utilized to classify horizontal alignment into tangent, circular curve, and transition curve. The proposed algorithm consists of two components including smoothing for eliminating outlier and a heuristic classification algorithm. A genetic algorithm(GA) was adopted to calibrate parameters associated with the algorithm. Both freeway and rural highway data were used to evaluate the performance of the proposed algorithm. Promising results, which 90.48% and 88.24% of classification accuracy were obtainable for freeway and rural highway respectively, demonstrated the technical feasibility of the algorithm for the implementation.
Keywords
horizontal alignment; GPS/INS sensor; genetic algorithm; attitude information; moving average;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
연도 인용수 순위
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