| In modern urban life,the scale of the city is expanding;the population is huge;and the number of motor vehicles is increasing rapidly with the improvement of people’s life.Due to the limitation of traffic resources in the city and the time delay of traffic management and construction,and the need to strengthen and improve the traffic culture,the traffic problems have increasingly become the focus of attention.Intelligent transportation system has become a technical means to solve traffic problems,improve traffic management and improve the city travelling.Through the analysis of the modern urban traffic situation,the transformation of traffic management and the demand,this paper puts forward the design and development of the intelligent transportation system.The traffic information and data are analyzed and predicted intelligently based on traffic information cloud resources.The traffic accidents can be quickly identified,quickly responded and cooperatively dispatched and disposed.The traffic information service should be timely and accurate,and diversified traffic information resources utilization can be realized.The implementation of real time health monitoring of traffic equipment will ensure the rapid diagnosis and response of equipment failures,which ensures the reliable operation of traffic management and control system.The intelligent transportation system provides traffic managers and traffic participants with intelligent,information-based and visualized traffic management,service and auxiliary tools,so as to achieve safe,efficient and orderly urban traffic.Firstly,through sorting out and classifying the functions of each technical subsystem of the traffic management and control system,the overall system framework,logical structure and physical structure of the urban intelligent traffic management and control system are designed according to the functions of relevant rules and norms.The technical route and Key technologies for the intelligent traffic management and control system are designed.The technical route and key technologies are determined and designed for the development of the intelligent traffic management system.Secondly,the intelligent management and control subsystem is designed and developed.As the core function platform of urban intelligent traffic management and control system,the intelligent management and control subsystem adopts closed-loop dispatch process to coordinate and solve the existing problems,dispatch in time and improve the execution ability of command and dispatch.It supports flat command and dispatch mode,which greatly shortens the flow and time of traffic information transmission and traffic decision-making,and supports multi-level and multi-level cooperative command and dispatch mode.Moreover,it uses the "one machine,multi-screen" mode to meet different user needs and different application scenarios.Finally,the traffic information analysis and prediction subsystem is designed and developed.The traffic information analysis and prediction subsystem can further explore the value of traffic data and information to establish a comprehensive research and evaluation database to provide decision-making reference for traffic management.Traffic information analysis and prediction subsystem has four business functions: traffic flow information analysis and prediction,traffic police information analysis and prediction,traffic violation information analysis and prediction and traffic accident information analysis and prediction.The subsystem has the capability to analyze the different dimensions of various information,and the analysis and prediction can graphical display the concerned traffic information. |