대한교통학회지 (Journal of Korean Society of Transportation)

  • 제14권3호
  • /
  • Pages.7-26
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  • 1996
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  • 1229-1366(pISSN)
  • /
  • 2234-4217(eISSN)
대한교통학회 (Korean Society of Transportation)
권호 표지

칼만필터를 이용한 도시고속도로 교통량예측 및 실시간O-D 추정

Prediction of Volumes and Estimation of Real-time Origin-Destination Parameters on Urban Freeways via The Kalman Filtering Approach

  • 강정규 (도로교통안접협회 교통과학연구원 수석연구원)
  • 발행 : 1996.09.01
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초록

The estimation of real-time Origin-Destination(O-D) parameters, which gives travel demand between combinations of origin and destination points on a urban freeway network, from on-line surveillance traffic data is essential in developing an efficient ATMS strategy. On this need a real-time O-D parameter estimation model is formulated as a parameter adaptive filtering model based on the extended Kalman Filter. A Monte Carlo test have shown that the estimation of time-varying O-D parameter is possible using only traffic counts. Tests with field data produced the interesting finding that off-ramp volume predictions generated using a constant freeway O-D matrix was replaced by real-time estimates generated using the parameter adaptive filter.

키워드

참고문헌

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