A signal control system is considered along an arterial in Hiroshima city from the viewpoint of a digital control for traffic flow dynamics. The signal control system of the congestion length is described by a nonlinear time-varying discrete dynamic system and synthesized by using the feedback control based on the volume balance at each signalized intersection. A signal control algorithm is presented to balance congestion lengths which cross each other on a road. This control algorithm is such that the sum of congestion lengths is minimized along the arterial. The signal control system is developed systematically according to the procedure from the road analysis to the simulation. From the comparison of congestion lengths between measurement values controlled by a pattern selection method and simulation values controlled by the proposed signal control algorithm, it is confirmed that the signal control system and the signal control algorithm work effectively along the Route 2 in Hiroshima city, Japan.
Signal control system of congestion lengths along an arterial in Hiroshima City
2009
6 Seiten, 5 Quellen
Conference paper
English
A Systematic Signal Control of Congestion Lengths
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