城市主干道交通运行状态自动判别系统设计

Design of automatic identification system for urban main road traffic condition

传统的自动判别系统很容易受到噪声干扰和信号干扰,判别效果受到很大影响。为了解决这一问题,设计了一种新的城市主干道交通运行状态自动判别系统,对系统的硬件和软件部分进行设计。硬件部分主要设计了数据采集器、数据处理器、数据判别器、数据显示器和集成线路,软件共分为数据采集、数据准备、数据转换、状态判断、数据显示五个过程。通过与传统系统对比实验,验证了设计系统的工作效率,所设计系统能够很好地过滤掉噪声信号和干扰信号,精准地判别出城市主干道交通运行状态。

The traditional automatic discriminating system is very susceptible to noise interference and signal interference ,and the discriminating effect is greatly affected. In order to solve this problem, a new automatic judgment system is designed for traffic operation state of urban trunk roads, and the hardware and software of the systemis designed. The hardware part mainly designs data collector, data processor, data discriminator, data display and integrated circuit. The software is divided into five processes, which are data collection, data preparation, data conversion, state judgment and data display. By comparing with the traditional system, the efficiency of the design system is verified. The designed system can filter the noise signal and interference signal well, and accurately distinguish the traffic running state of the urban trunk road.