基于车流感知的新能源交通灯智能控制系统设计

Design of intelligent control system for new energy traffic lights based on traffic flow perception

针对路口拥堵、道路通行效率较低的问题,文章提出并设计了基于车流感知的新能源交通灯智能控制系统,利用车流量监测传感器的信息融合与处理、双电源自动切换等关键技术,实现交通灯交替时长随车流量动态调整。首先,对新能源智能交通灯控制系统进行总体设计,采用AT89S52单片机作为控制核心以及常规电源、光储双路电源供电;其次,设计硬件电路,将单片机作为核心,构建集车流量收集、自动控制、信息处理、双电源自动切换的闭环控制系统。然后,设计软件程序,并对智能交通灯控制系统进行测试。最后,通过Proteus软件仿真及试验验证,结果表明,文章设计的系统实现了交通灯交替变换时间随车流量信息进行动态调整的功能,提高了路口通行效率,且在交通灯常规电源失电时,自动切换为光储电源供电,保障了交通灯的正常工作。

In response to the problems of intersection congestion and low road traffic efficiency,the intelligent control system for new energy traffic lights based on traffic flow perception is proposed and designed.The key technologies such as information fusion and processing of traffic flow monitoring sensors,automatic switching of dual power sources,etc.,are used to achieve dynamic adjustment of traffic light alternation duration with traffic flow.Firstly,the overall design of the new energy intelligent traffic light control system is carried out,using the AT89S52 microcontroller as the control core and dual power supply of conventional power and optical storage.Secondly,the hardware circuit with a microcontroller as the core to construct a closed-loop control system that integrates traffic flow collection,automatic control,information processing,and dual power automatic switching is designed.Then,the software program is designed and the intelligent traffic light control system is tested.Finally,carrying out Proteus software simulation and experimental verification,the results show that the system has achieved the function of dynamically adjusting the switching time of traffic lights with traffic flow information,improving the efficiency of intersection traffic,and automatically switching to optical storage power supply when the conventional power supply of traffic lights loses power,ensuring the normal operation of traffic lights.