An adaptive fuzzy logic controller (AFC) is presented for the signal control of the urban traffic network. The AFC is composed of the signal control system-oriented control level and the signal controller-oriented fuzzy rules regulation level. The control level decides the signal timings in an intersection with a fuzzy logic controller. The regulation level optimizes the fuzzy rules by the Adaptive Rule Module in AFC according to both the system performance index in current control period and the traffic flows in the last one. Consequently the system performances are improved. A weight coefficient controller (WCC) is also developed to describe the interactions of traffic flow among the adjacent intersections. So the AFC combined with the WCC can be applied in a road network for signal timings. Simulations of the AFC on a real traffic scenario have been conducted. Simulation results indicate that the adaptive controller for traffic control shows better performance than the actuated one.


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    Title :

    Traffic signals control with adaptive fuzzy controller in urban road network


    Contributors:
    Li, Yan (author) / Fan, Xiao-ping (author)

    Published in:

    Publication date :

    2008


    Size :

    8 Seiten, 11 Bilder, 5 Tabellen, 16 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





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