Intelligent transportation system (ITS), which is abbreviated as its, is also called IVHS (intelligent vehicle highway system) at first. The central idea and method of its is to make use of the most advanced computer, people counting, communication, monitoring, control and other science and technology, so as to make the transportation reach a new state of comprehensive coordination between people, vehicles and roads, improve the use efficiency of roads, save energy and protect the environment.
Benefits of its technology implementation
China is a developing country with sustained economic development. Since the reform and opening up, the development of urbanization and automobile is very rapid. Before the reform and opening up, the level of urbanization was less than 19%, and now it has developed to more than 30%, and it is predicted that it will be close to 50% in 2010. At present, the number of motor vehicles has reached 60 million, with an annual growth rate of more than 10%, which is expected to reach more than 130 million in 2010;
China's urban traffic is characterized by mixed traffic. At present, the number of bicycles is more than 180 million. If the public transport service level is not improved and the urban traffic structure is not improved, the number of bicycles will increase unabated;
Since the reform and opening up, China's road traffic facilities and management facilities have greatly improved, but they can not keep up with the growth rate of motor vehicles. There is a big gap between the overall level and developed countries, especially in most cities, the road network structure is not reasonable, the road function is not perfect, and the road system is not perfect.
Lack of traffic management facilities and low management level. Even though traffic control centers have been set up all over the country, most of them only realize the monitoring function, but far from the effect of the control function;
The air quality of Chinese cities has gradually changed from anthracite pollution to vehicle exhaust pollution. The main reasons are traffic congestion, speed decline, poor vehicle condition and low vehicle technical performance, which leads to seven of the world's top ten cities with the most serious air pollution. At the same time, the poor condition of vehicles has a direct impact on urban traffic, and has become an important factor restricting urban traffic in China. Taking Beijing as an example, the average number of daily failures is more than 500, which brings great pressure to urban traffic.
The implementation of its solves the following problems: traffic congestion, congestion, deterioration of atmospheric environment and energy crisis. Therefore, the research results and utilization of its do bring obvious benefits to developed countries:
1. Reduce traffic jams
The traffic management system in its can automatically and effectively adapt to various traffic conditions, reasonably guide and dispatch vehicles, reduce traffic delays and traffic jams through automatic toll collection, automatic driving, passenger counting in transit driver information and path guidance, and improve the traffic capacity and service level of the road network.
2. Improve the level of traffic safety
In advanced vehicle control and safety systems, many safety management measures, such as automatic anti-collision system, danger alarm system, vehicle safety monitoring and rescue system, will greatly reduce traffic accidents. For example, an investigation report issued by the Inter American Development Bank today pointed out that the installation of electronic radar has reduced the number of people in Brazil due to traffic accidents by at least 1500 every year. In fact, the number of people in Brazil is reduced by 1500 every year due to the installation of electronic radar Practice shows that the installation of electronic facilities in accident prone sections can reduce traffic accidents by 30% and the number of people killed in traffic accidents by 60%. Due to the installation of electronic facilities, the number of people killed in traffic accidents in Brazil in 1998 decreased by 687 compared with the previous year, and the number of injured decreased by 11301, thus reducing the medical cost by 150 million US dollars.
3. Reduce environmental pollution
Although the improvement of motor vehicle production technology can reduce the harmful exhaust emissions of single vehicle, the rapid growth of traffic volume makes the traffic exhaust pollution more and more serious. Only through intelligent management of the transportation system, the vehicles in transit can operate at the shortest distance and the best economic speed. This can not only reduce energy consumption, but also reduce pollution, so that traffic pollution to the environment has been significantly improved. OBU on board computer on board industrial control locomotive on board monitoring system industrial control main board.