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区域交通流协调控制方法

, PP. 112-117

Keywords: 交通控制,区域交通流,协调控制,模糊控制,Agent技术

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Abstract:

根据Agent技术和模糊控制方法,提出了区域交通流协调控制方法。以路段拥挤度和绿灯持续时间为输入变量,以绿灯修正延长时间为输出变量,确定了变量数据的获取方式以及变量之间的对应关系,设计了协调控制器。根据下游交叉口配时的不同方案,制定了不同的模糊控制规则,修正了控制策略,并运用MATLAB进行仿真。仿真结果表明采用Agent技术和模糊控制方法后,平均总延误为127.431s?km-1,下降了约9.9%;路段平均流量密度为18.828veh?km-1;路段平均流量为9597veh?h-1;平均车速为17.798km?h-1,提高了约6.3%。可见,路网密度明显降低,交通状况明显改善。

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