都市道路網の信号制御に関するシステム理論的考察

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  • A System-Theoretic Study of the Signal Control in Urban Road Networks
  • トシ ドウロモウ ノ シンゴウ セイギョ ニ カンスル システム リロンテキ コウサツ

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This paper studies signal control methods which control congestion lengths systematically on two-way traffic arterials and in two-way traffic networks. 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. A balance control algorithm and a network control algorithm in which the three signal control parameters consisting of the cycle length, green split and offset are searched systematically so as to minimize the sum of congestion lengths on the traffic arterial and in the traffic network are presented. From the comparison of congestion lengths between measurement values controlled by a pattern selection method and simulation values, it is confirmed that the signal control systems and the signal control algorithms work effectively to reduce the congestion lengths on the traffic arterial and in the traffic network.

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