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Hardware-in-the-Loop Simulation Development for Real Time Adjustment of Traffic Control System

机译：交通控制系统实时调整的半实物仿真开发

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摘要

Traffic control system has been developed for last 20 years. In the 1st generation, traffic controller aimed to control traffic light only, it worked based on fixed timing plan for the whole day. The problem occurred when traffic demand was changed significantly. At that situation, the traffic controller would not able to control traffic flow well. The second generation traffic controller came to address problem of previous traffic controller. The new traffic controller worked based on predetermined time interval. Time in a day was divided into several time interval and every time interval has different timing plan. Further developments of traffic controller resulted the third and fourth generation traffic controller that worked based on real time traffic demand that detected by traffic sensors. However, in order to back up the traffic controller system when there are some problems with the traffic sensors, the second generation of the traffic controller is still installed together with the third or fourth generation of traffic control. Hence, the second generation of traffic controller until now is still relevant with development of traffic control system. This study presents a method to develop second generation of traffic control system based on a micro traffic simulation system. Determination of the timing plan for every time interval is carried out using a hardware in the loop simulation system. The simulation system is not only able to visualise performance of the tested traffic control system but also able to revise the timing plan based on the simulated traffic demand. Several laboratory based testing shows that the proposed hardware in the loop simulation system is very beneficial in evaluating a traffic control system.
机译：交通控制系统已经开发了近20年。在第一代中，交通管制员仅旨在控制交通信号灯，它基于固定的定时计划进行全天工作。当流量需求发生显着变化时，就会发生此问题。在那种情况下，交通管制员将无法很好地控制交通流量。第二代流量控制器解决了以前的流量控制器的问题。新的交通管制员根据预定的时间间隔工作。一天中的时间分为几个时间间隔，每个时间间隔都有不同的计时计划。交通控制器的进一步发展导致第三代和第四代交通控制器能够根据交通传感器检测到的实时交通需求进行工作。然而，为了在交通传感器存在一些问题时备份交通控制器系统，第二代交通控制器仍与第三或第四代交通控制装置一起安装。因此，到目前为止的第二代交通控制器仍然与交通控制系统的发展有关。本研究提出了一种基于微交通仿真系统开发第二代交通控制系统的方法。使用循环仿真系统中的硬件确定每个时间间隔的时序计划。该仿真系统不仅能够可视化所测试的交通控制系统的性能，而且能够基于仿真的交通需求来修改时序计划。几项基于实验室的测试表明，环路仿真系统中建议的硬件在评估交通控制系统方面非常有益。

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