城市智能交通信号控制系统的研究概况

智能交通系统（intelligent transportation systems，ITS）作为一种新型交通运输模式，有望彻底改善目前的交通状况。本文针对ITS的交通控制子系统，系统地阐述了城市智能交通信号控制系统在国内外的发展现状，分析了部分现有控制系统的优缺点，指出了我国城市交通信号控制的难点及其发展趋势，重点介绍了基于实时预测技术的智能交通信号控制系统的研究内容与方法。

A Survey of Urban Intelligent Transportation Signal Control System

Intelligent transportation systems （ITS）, an instance of a new transport model, will hopefully improve the present traffic conditions, which has been emphasized by many states, including China. This paper systematically presents the present domestic and international situations of urban intelligent traffic signal control system for the traffic control subsystem of ITS, analyzes the advantages and disadvantages of some present signal control systems, and indicates the issues and the development trends of our domestic urban tragic signal control system. This paper stresses the real-time prediction technology based research content and approaches of an intelligent traffic signal control system.