On September 21st, Wang Xiaojing, chief engineer of the Highway Science Research Institute of the Ministry of Transport and director of the National Intelligent Transportation System Engineering Technology Research Center, introduced at the 2015 Annual Meeting of the China Highway Society: China's new generation national traffic control network (hereinafter referred to as "control network" ") The overall research has been approved by the relevant state departments including the Ministry of Transport, and the implementation of the implementation plan has been initiated. It is expected to carry out demonstration projects in the "13th Five-Year Plan".
　 A new generation of national traffic control network
In 2013, some academicians and experts wrote to Premier Li Keqiang to put forward the "Proposal on Building a New Generation of National Traffic Control Network". According to the instructions of Premier Li Keqiang, the National Development and Reform Commission, the Ministry of Communications and the Ministry of Industry and Information Technology jointly submitted a report on the construction of the new The report on the situation of the first generation of national traffic control network, in February 2014, the leading comrades of the State Council approved the report. The report clearly led the overall study by the Ministry of Transport. Under the arrangement of the Ministry of Transport, the specific research work was led by the Highway Science Research Institute of the Ministry of Transport, and the Planning and Research Institute of the Ministry of Transport, the Science Research Institute and the Communication Center participated. The main research included System framework, engineering boundaries, industry content, implementation methods, etc.
In the nearly one-year research period, the scientific research personnel stood at the strategic height of meeting the future development needs of the country and occupying the forefront of international science and technology. They comprehensively reviewed the management and control measures in the history of road traffic development and proposed the concept of generalized control. Under this concept, Fully enclosed and full interchange of expressways, traffic markings, traffic lights at intersections, traffic guidance, demand management, etc. are controlled at different stages and under different technical conditions, so that the traffic control network includes infrastructure and vehicles. And management and service systems, etc. On the basis of sufficient research and reference, the overall research proposes that the new generation of national traffic control network is a complex open system consisting of road infrastructure, vehicles and supporting operation and service systems. Each unit, each part and each subsystem Data can be exchanged in real time. Systems, subsystems and in-vehicle systems can be adjusted according to real-time traffic conditions, meteorological conditions, and passenger flow trends, such as control strategies, restrictions and inductive measures, operation modes, service coordination, etc., so that the transportation system In the process of dynamic adjustment and optimization based on real-time data, and with high reliability, adaptability and security, it can support the balance between road network carrying capacity and traffic travel demand, and realize the overall road network. The scheduling or control of traffic flow at each level maximizes the function of the road network and the service functions of the transportation system.
The preliminary conclusion of the overall study is that the new generation of national traffic control network project has initially met the conditions for implementation. In particular, China's transportation infrastructure construction and the rapid development of strategic emerging industries have provided a solid foundation for the implementation of the project, and the implementation will drive new intelligentization. The overall innovation and industrial innovation of infrastructure, intelligent transportation vehicles, intelligent services and management systems, and drive the leap of road transportation in operation and service quality, drive the industrial application of new vehicles and new energy vehicles in China, and promote transportation Transportation transformation and upgrading and the realization of smart transportation are important targets.
　　 Where is the new generation of control network "new"?
“The new generation of national traffic control network has a functional specialization infrastructure and better information technology facilities, which will innovate in the traffic carrying functions and forms of road facilities, such as the establishment of automatic driving lanes, distribution and regular driving lanes, and dedicated Long-distance freight lanes, etc.; it is also necessary to combine civil engineering facilities with wireless communication and sensing systems to form a new generation of road information infrastructure, which is not a weak link in our previous road traffic system." Wang Xiaojing explained.
In addition, in the new generation of control networks, the proportion of smart cars, electric cars and self-driving cars with interconnected functions will gradually increase with the development of the automotive industry. There will be a mix of autonomous vehicles and manual vehicles on urban expressways and highways. In the traffic state, a controlled fleet of autonomous vehicles may also appear on the road. It is foreseeable that there will be safe, fuel-efficient, convenient and comfortable services between the vehicles with networking and intelligent control and between the vehicles and the roads, and the cars without networking will also run from the road network. Benefit from improvement.
"Open, shared, collaborative" is also an important feature of the new generation of control networks. The system supports the humanization and customization of various transportation services, and has high resilience and reliability. It supports vehicles with in-vehicle control functions to achieve autonomous operation under controlled environment, and supports efficient driving of people driving information-enabled vehicles. The dual-mode public transportation system with high degree of organization of rail transit and high road traffic flexibility can also support intelligent vehicles to switch between queue control and free-running functions, as well as commercial operation of time-sharing and shared vehicles.
It can be said that the new generation of national traffic control network has given the society and the people a new picture of future communication, future cars and future roads. The core of the road is to make the future road traffic system safer, more humane and greener.
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