What is the application of RFID technology in intelligent transportation?

In recent years, various new technologies have flooded our ears and are constantly integrating into our lives. RFID technology has become one of the new technologies, and we have made countless faces every day in various life details.

RFID (RadioFrequencyIdenTIficaTIon, Radio Frequency Identification) technology has attracted attention as a key technology for building the "Internet of Things". RFID technology originated in the United Kingdom. It was used in the Second World War to identify the identity of enemy aircraft. It began commercialization in the 1960s. The US Department of Defense has specified this smart technology: after January 1, 2005, all military supplies are required to use RFID tags. The industrial application of retail giants such as Wal-Mart has promoted the application and development of this technology in more fields and in a wider range. In 2000, the price of each label was around US$1, and by 2005 it had been reduced to 12 US dollars. Minute. Nowadays, RFID technology is increasingly used in the security field of identity documents, access control, anti-theft, and the Internet of Things, such as product supply chain and inventory tracking, production control, asset management and other fields.

The rapid spread of RFID technology, such as rapid scanning; small size, diverse shapes; reusable; penetrating and barrier-free reading; large memory capacity; security and many other performance characteristics are inseparable, and because of resistance The advantages of good environmental adaptability, such as pollution capacity and durability, are increasingly applied to urban traffic management. An important carrier for this technology in the field of transportation is called automotive electronic identification, also known as electronic license plate. It is an electronic ID card that combines UHF radio frequency identification technology and other related technologies.

The automobile electronic identification system communicates with the electronic license plate high-speed reading and writing device arranged on the urban road section by installing an RFID electronic tag for storing the vehicle identity data inside the front windshield of the vehicle, and can be used in the RFID electronic tag. The data is read and written to realize the identification and monitoring of the vehicle automatically, non-contact and without stopping. At the same time, combined with the original traffic information collection and traffic management platform, it can fully meet the requirements of the Ministry of Public Security "real-time monitoring, networked control, automatic alarm, rapid response, scientific, efficient, information sharing", and achieve true digital, intelligent, Fine traffic management has fundamentally eliminated the “blind spot” of road traffic management in time and space, expanded the monitoring period and monitoring scope of traffic management, improved the intensity of urban traffic management, and provided the intelligent transportation system for smart cities. Key data services.

The popular application of automotive electronic identification system can accurately monitor urban traffic data in real time. The traffic data processed by big data can be used as data support for urban traffic congestion prediction and traffic planning. RFID-based automotive electronic identification urban transportation system can adapt to a variety of collection environments, can still accurately identify low-visibility, multi-lane vehicles at normal speed, improve the real-time and accuracy of urban traffic management, and make urban traffic more scientific And intelligent. The system can also monitor vehicle yellow-green information and vehicle exhaust emissions, playing a major role in creating a green and environmentally friendly urban transportation environment. For example, in Chongqing and other places, vehicles equipped with electronic license plates will be automatically photographed to capture vehicle information when passing through the bayonet. The system will automatically screen yellow-label vehicles. Vehicles that violate the ban will be transferred to the penalty system. Nanjing is A displacement detection system has been formed to maximize environmental protection. In addition, the RFID electronic technology based on RFID technology has formed a complete security system for anti-cloning, anti-counterfeiting, anti-tampering and anti-illegal reading. It can be used for illegal decks such as fake decks, burglary vehicles, etc. And retrospective, regional traffic dynamic control and other vehicle-related public security management applications, improve vehicle screening capabilities, and accurately combat all types of illegal activities involving vehicles. RFID optimizes operation and management of the whole industry, can accurately check vehicle payment information, improve the collection rate of various vehicle-related fees, and also help to improve the efficiency of urban traffic. Travelers can accurately and accurately predict road congestion conditions and road conditions. Such information is reasonably arranged, and appropriate transportation is selected to promote the rational distribution of urban traffic flow. Take Beijing as an example. In recent years, Beijing’s traffic management has been unable to curb the traffic congestion trend from single-double to limited purchase. In the end, it can only achieve congestion charging through electronic identification, and it is low-carbon while relieving traffic pressure. Provide technical support for distinguishing the time limit of vehicles and the differential collection of sewage charges.

RFID technology has been used in more and more fields in recent years, and the penetration rate has been continuously promoted in intelligent transportation. However, until January 20 this year, Wuxi (National) Intelligent Transportation Industrial Park Enterprise in Binhu District ——The automobile electronic identification system led by the Ministry of Public Security’s research institute was officially opened in Wuxi. This is the first demonstration application city in China that uses automotive electronic identification and intelligent traffic management. Faced with the dilemma of thunder and heavy rain in this industry, we can't help but ask: Why has the auto electronic identification system not yet formed a national scale?

The biggest problem is the cost. First of all, each car must be equipped with a card of the size of a common IC card printed with serial number and two-dimensional code, and attached to the upper end of the windshield in front of the car. Secondly, after the car is equipped with relevant equipment, it is necessary to equip the base stations in various blocks. This project will undoubtedly require huge manpower and material resources to be completed. Only in the first half of 2015, Wuxi City will complete the installation of 100,000 automotive electronic signs and the construction of 100 base stations, and carry out the management of truck passes. Demonstration applications such as traffic information collection, off-site traffic enforcement, parking access control, and bus signal priority control, comprehensively evaluate and evaluate the stability and reliability of automotive electronic identification, reading and writing equipment and related application systems. Finally, the follow-up maintenance, management, etc. of the system also requires the provision of professionals. Therefore, although it is a trend to popularize the system in the long run, it is difficult to spread rapidly across the country due to the relatively short-term investment.

We believe that the popularization of electronic police and bayonet systems based on video analysis and license plate recognition and the promotion of intelligent transportation solutions based on big data and deep learning can replace the electronic identification system of vehicles in traffic management. The application, which also affects the promotion of the technology.

Conclusion: RFID technology has become more and more popular in various industries. In recent years, it has also sprung up in the field of intelligent transportation. However, new technologies have added luster to our lives, and they have been temporarily put on hold due to cost and other factors. How to improve the technical level and reduce costs? The combination of multiple technologies is also a question that should be considered by relevant companies.

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