The meaning of car electronic identification system and its working principle

First, the car electronic identification

The car electronic logo, also known as the electronic license plate, is a vehicle electronic ID card that combines daily vehicle license plates with UHF (UHF) RFID technology.

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, Refined traffic management.

Second, the working principle of automotive electronic identification system

As the basic information carrier for the vehicle information electronic collection by the public security department, the automobile electronic identification system can automatically collect the past vehicle attribute information, location information and status information through the reading and writing equipment installed in the lane, which fundamentally eliminates the road traffic management. The “blind spot” in time and space has fully expanded the monitoring period and monitoring scope of traffic management, and the resulting big data can be used to improve the intensity of urban traffic management, truly realize digital and intelligent traffic management, and be a smart city. The construction of a smart transportation system provides key data services.

Third, the main technical principle of automotive electronic identification system

Information carrier

The global unchangeable RFID tag is used as an electronic vehicle logo information carrier. Uniquely matching with the vehicle physical number plate, information partitioning of the storage space, including the license plate information area, the vehicle basic information area, other information recording areas, etc., for public or AES encryption processing for different partition information, wherein the license plate information area and The vehicle basic information area only supports read operations after one write, and other information recording areas support readable and writable operations to meet different types of information usage requirements of different users.

2. Double base recognition

The vehicle identification process is obtained by the reader/writer to obtain the electronic vehicle label information provided by the RFID tag and the image processing information acquired by the bayonet system. The identification information can only be fuzzy matched for the number plate information, and if necessary, the vehicle basic information can be extracted for accurate matching to achieve high accuracy recognition.

3. Road network collaboration

Based on RFID communication, the electronic vehicle logo and base station, base station and vehicle cutting terminal. The electronic vehicle standard and the vehicle terminal perform two-way and multi-directional intercommunication between the devices, and the information source formed thereby can be connected to the road network system via the base station, and the human-machine interface can be established through the vehicle cutting terminal, thereby forming A, vehicle, 踣, and network. Information coordination, complete the closed-loop process of information collection analysis, processing, and feedback, and realize vehicle diversified and intelligent security management functions.

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