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A Study on Describing Uninterrupted Traffic Flows using Macroscopic Models  

임성만 (서울시립대학교 도시공학과)
김대호 (서울특별시 교통관리실 교통운영개선기획단)
김영찬 (서울시립대학교 도시공학과)
Publication Information
Journal of Korean Society of Transportation / v.20, no.3, 2002 , pp. 69-82 More about this Journal
Abstract
The objective of this study is to evaluate the performance of macroscopic traffic flow models with the analytical and field data. Five candidate models were selected as follows ; Lax Method Model, Upwind Scheme Model, Hilliges'Model, Papageorgiou's Model, and Cell-Transmission Model. In the analytical test scenario, the traffic condition was assumed that could cause the building and dissipation of queue, and each model was compared with analytical solutions and the numerical results. An analytical test indicated that both simple continuum and high order continuum models are able to reproduce queue building and dissipating behavior in a reasonable way A field test has shown that Upwind and Papageorgiou's model show similar performances. Considering the simplicity in model formulation and numerical computation, we firstly recommend Upwind scheme model , and secondly Papageorgiou's model that performed will to represent traffic flow in tests as candidate models for further development of simulation model for Naebu expressway in Seoul.
Keywords
연속교통류;단순연속방정식 모형;가속도방정식 모형;거시적 연속교통류 시뮬레이션 모형;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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