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Development of an Online Evaluation Model for Traffic Signal Control System  

Go, Gwang-Yong (도로교통안전관리공단)
Lee, Seung-Hwan (아주대학교 환경건설교통공학부)
Publication Information
Journal of Korean Society of Transportation / v.26, no.3, 2008 , pp. 31-40 More about this Journal
Abstract
There have been a lot of efforts to find more accurate evaluation methods for traffic signal control effectiveness for a long period of time. Nowadays a newly advanced method called HILSS, 'Hardware-in-the-Loop-Simulation System', is used to evaluate the overall traffic control's effectiveness including physical control environments like communication conditions, hardware performance, controller's mechanical operations and so on. In this study, an Online-HILSS model has been developed, which runs on CORSIM(5.0) micro traffic simulation model on-lined to COSMOS. For the verification of the model, three tests are performed as follows; (1) a comparison of TMC's timing plan with the simulated green interval, (2) as a case study, a delay distribution comparison of the online simulation with the CORSIM stand-alone simulation. The result of the first test shows that the model can run the simulation green interval by TMC's timing plan correctly. The result of second test shows that the online simulation of the model brings the same simulation results with the CORSIM offline simulation in case of the same timing plan. These results mean that the online evaluation model could be a reliable tool to measure a real-time signal control effectiveness of a wide area street network with the HILSS method.
Keywords
COSMOS; HILSS; SIMULATION; CORSIM; RTE;
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  • Reference
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