In large and medium-sized cities, it has basically become a safe, smooth, orderly, fast and efficient urban traffic operation system. Intelligent transportation system is a transportation management system that integrates advanced computer technology, communication technology, machine vision, pattern recognition and other technologies, and is intended to provide real-time and efficient comprehensive transportation management and transportation services.
The application of the Internet of Things technology has been realized in all aspects of our work and life, and it will completely change our original life. Urban intelligent transportation brings more and more convenience and swiftness to everyone, and these changes are all around you.
We know that the main content of traffic management is to implement artificial control of traffic. Therefore, in order to achieve effective traffic intelligent management and control, we must first accurately, timely, and effectively monitor the real-time status of traffic; second, we must effectively control the transmission, transmission, and function of traffic signals; we must carry out traffic control. Scientifically and effectively organize optimization and simulation to obtain scientific data, establish a large database system to store these data, and conduct a comprehensive analysis of the data to provide effective information to help transportation. Therefore, we summarize the main intelligent traffic management systems as follows: four comprehensive systems: traffic comprehensive monitoring system, traffic signal control system, real-time traffic information service and guidance system, traffic data simulation analysis and forecast system.
It consists of traffic video monitoring system, traffic flow detection system and traffic violation monitoring system. Realize video surveillance, event detection, and full-length video recording of traffic conditions on expressways, trunk roads, and major intersections, real-time grasp of road traffic operating conditions, and provide rapid response and management of traffic command and dispatch, accident scenes, and emergencies, and social information services Image information resources.
The photo-acoustic gestures used on the road to convey the legal significance to direct traffic flow or stop are traffic signals. The light signal directs the traffic through the light color of the traffic signal light; the gesture signal is the traffic manager who directs the traffic through the legal arm movement posture or the direction of the baton. Gesture signals are only used when the traffic lights are faulty or where there are no traffic lights.
On the basis of comprehensive traffic information collection, processing and analysis, a traffic management information service and guidance system is established. Introduce information to the public through real-time traffic information, including display screens, car navigation, and media broadcasts.
Taking the traffic command and dispatch application as the core, on the basic platform of the geographic information system, it comprehensively integrates the information and functions of various application systems such as service command, traffic control, emergency support, and data service, so as to realize the intelligent, visual, and Flattening, improving road management and control capabilities under normal traffic and rapid handling and coordination linkage capabilities under emergency events.
The Internet of Things has very good development prospects. In the field of intelligent transportation, it first realizes the "Internet of Things" between road facilities, and then realizes the "Internet of Things" between participants in road traffic management facilities and traffic management. It realizes the interconnection of people and things and is intelligent. But after all, it is just a new technology for Internet expansion. To bring commercial market value, service products must be developed in combination with existing industries. Due to the technical characteristics of the Internet of Things itself, it can be well integrated into the field of intelligent transportation. With the deepening of the Internet of Things technology and the large investment in the construction of intelligent transportation in major cities, a variety of industry applications will be presented in the field of intelligent transportation, and the degree of urban transportation intelligence will usher in a qualitative leap.
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