System and method for improving electronic charging reliability in city intelligent transportation system

Abstract

The invention discloses a system for improving the electronic charging reliability in a city intelligent transportation system. The system comprises a vehicle license plate identification sub-system, a vehicle identification sub-system, a power supply system and a background server system, wherein the vehicle license plate identification sub-system collects vehicle image information and sends the vehicle image information to the background server system; the vehicle identification sub-system collects vehicle radio frequency information and sends the vehicle radio frequency information to the background server system; the power supply system supplies a power source to the two sub-systems; the background server system receives vehicle information sent by the vehicle license plate identification sub-system and the vehicle identification sub-system, conducts information fusing on the received vehicle information, and achieves comprehensive vehicle identification. The invention further discloses a method for improving the electronic charging reliability in the city intelligent transportation system. By mean of the system and method, advantages of a vehicle license plate identification system and a vehicle identification system are sufficiently used, external blocking and interference on collection of the vehicle information can be reduced as much as possible, and the electronic charging reliability in city roads is improved through the technological method of increasing the vehicle information collection and the data fusing technology.

Description

technical field [0001] The invention relates to the technical field of intelligent transportation, in particular to a system and method for improving the reliability of electronic charging in urban intelligent transportation. Background technique [0002] The problem of urban road congestion is one of the important urban problems faced by all countries in the world. As early as the 1920s, foreign economists were exploring the way of charging to solve the problem of traffic congestion. With the continuous acceleration of urbanization and motorization, the contradiction between supply and demand of urban traffic has become more and more prominent, and traffic congestion has become increasingly serious, especially in the central urban areas of first-tier cities. Traffic congestion has long existed, and traffic congestion will inevitably cause time The increase of costs such as financial resources affects people's work and life, and also hinders the sustainable development of th...

AI Technical Summary

Problems solved by technology

VLRP technology is relatively mature, does not need to install vehicle-mounted devices, and will not be affected by electromagnetic interference. Its license plate recognition rate mainly depends on whether the system camera can clearly capture the license plate image of the vehicle, but this technology is vulnerable to weather conditions, light and vehicle congestion, especially in urban congested roads, where the gap between vehicles is small and the obstruction between vehicles is serious, the above factors will inevitably greatly reduce the accuracy of video recognition

AVI technology is mature and the system integrity is good. It mainly adopts 5.8GHz, 2.45GHz DSRC and other radio frequency communication technologies. Radio frequency microwave communication is more reliable under the conditions of visibility and less interference, but in urban congested roads, workshops block Serious, in addition, because 2.4GHz is a public free frequency band, there are many wireless communication devices in this frequency band, which will inevitably cause serious interference to vehicle-road communication; in my country, 5.8GHz is a paid frequency band, which will inevitably limit the promotion of identification technology and In addition, although there are fewer communication devices under 5.8GHz, with the increase of wireless communication devices under this frequency band, it will inevitably affect vehicle-road communication and reduce the accuracy of vehicle-road identification.

VPS charging technology can provide flexible charging area definition and flexible fee payment. The vehicle-mounted device has strong scalability, but the user OBU cost is high, and the vehicle-mounted electronic map update is complicated. If the system design is unreasonable, it will involve user privacy issues. , In addition, GPS positioning signals are easily blocked by buildings on urban roads, which affects the positioning of vehicles and requires the support of auxiliary systems

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