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Evaluation of Three-Phase Actuated Operation at Diamond Interchanges  

이상수 (아주대학교 환경·도시공학부)
Publication Information
Journal of Korean Society of Transportation / v.20, no.2, 2002 , pp. 149-159 More about this Journal
Abstract
The performance of two single-barrier three-phase control systems at diamond interchanges was evaluated for various traffic conditions. To emulate the actuated signal control, hardware-in-the-loop system combined with CORSIM simulation program was used. Two performance measures, average delay and total stops, were used for the evaluation process. Results showed that the two three-phase systems gave similar performance in terms of average delay, but not stops. The delay performance of each phasing system was generally dependent on the traffic pattern and ramp spacing. However, there was a distinct movement preference for each phasing system. The total stops decreased as the spacing increased, and it was the most sensitive variable that can differentiate between the two three-phase systems. It was also shown that the hardware-in-the-loop control could be a good method to overcome the limitations of current simulation technology.
Keywords
Signal Control; Actuated Control; HILS; Simulation; Diamond Interchange;
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