Abstract

Urban regional traffic signal control and optimization is an important means to alleviate urban traffic congestion, and effectiveness evaluation is an important part of traffic signal optimization. The traditional traffic simulation softwares are generally evaluated by the built-in signal control module, which is out of connection with the actual signal control system and the accuracy of the evaluation is not high. In order to enhance the effectiveness of evaluation in connection with simulation software and signal control system, this paper presents an urban road network traffic control platform based on the hardware-in-loop simulation. The logical framework, function architecture, central system and controller interface etc. of hardware and software modules of the platform are designed. The arterial coordination control algorithm and regional cooperative control algorithm are integrated. The example analysis shows that the platform builds the bridge of the traffic simulation software and the traffic signal control system, and it can effectively evaluate the traffic control effect of the road network. Based on this platform, effectiveness evaluation of the regional traffic signal control, improvement for control algorithms and signal optimization can be carried out.

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