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Overview
The intelligent management of urban traffic is a fundamental solution to the increasingly serious urban traffic problems, and the application of advanced radio frequency identification technology RFID to urban traffic management is an important direction for the construction of traffic informatization in the future. Based on the RFID technology-based urban intelligent transportation management and service system, Beijing Tianyizhonghe is applying active RFID technology and products to the field of intelligent transportation, giving full play to its huge advantages of automatic identification and dynamic information collection, and effectively solving urban traffic information The bottleneck problem of chemical construction.
Scheme principle
Distribute supervised vehicles with a globally unique identification code and registered active proximity cards, divide the entire scope of supervision into a reasonable area, and then set up corresponding readers (base stations). When the vehicle enters the supervised area, there are The ID number issued by the source induction card will be automatically obtained by the reader installed in the area and transmitted to the background computer. The background computer receives, analyzes and processes this information, records the time when the vehicle arrives in the area and the vehicle-related information, and the background responds to these The data is analyzed and judged to complete the supervision and scheduling of vehicles, so that the intelligent interconnection between vehicles and people. Realize various functions with the software platform. The management of the entire process eliminates human intervention, minimizes the operating cost of the system and reduces the inevitable losses caused by manual operations.
This program has been successfully used in the management of transportation and public transportation vehicles
Mine coal car management, hazardous chemical vehicle management, 4S shop vehicle management, parking lot management, community garage management, etc.
specific plan
RFID urban traffic management
Intelligent transportation system refers to the effective application of advanced information technology, data communication transmission technology, electronic control technology and computer processing technology to the entire traffic management system, so that people, vehicles, and roads can closely cooperate and harmoniously integrate to establish A real-time, accurate and efficient integrated traffic management system that plays a role in a large-scale and all-round way
RFID bus management
The urban public passenger transport system basically still uses the manual dispatching method of “fixed departures and stuck points at both ends”. Dispatchers cannot understand the conditions of operating vehicles in real time, and it is difficult to take dispatching measures in a timely and effective manner. Vehicle scheduling is in the status quo of “invisible and inaudible”, with greater blindness and lag. As a result, the driving speed of the vehicle is reduced, the driving interval is not balanced, and the phenomenon of “crossing” and “large interval” often occurs, which seriously affects the service quality of passenger transportation. Furthermore, waiting for the bus, the public cannot know the running status of the shuttle bus they are waiting for, and do not know how long it will take to wait for the shuttle bus they take. The use of RFID technology, electronic map and wireless network technology to build a public transportation management system can realize long-distance and non-stop bus collection of information; automatic and accurate display of entry and exit information. Passengers can know how many stops they are waiting for the shuttle bus to arrive according to the prompts on the platform LEDs. Make the bus dispatching system accurately grasp the real-time dynamic information of buses entering and leaving the bus parking lot. Through the implementation of this system, the management level of buses can be effectively improved, and the collected data can be researched and analyzed using computers, and the laws of vehicle operation can be grasped, the loopholes in vehicle management can be eliminated, the intelligent management of buses can be realized, and the image of the city can be improved. Thereby improving the management level of urban public transportation operation and dispatch.
The RFID public transportation intelligent transportation system adopts advanced information and communication technology to collect dynamic and static information of road traffic, and conduct real-time analysis, and arrange the driving route and travel time of the vehicle according to the analysis result, so as to make full use of the limited traffic resources and improve The use efficiency of vehicles can also understand the operating conditions of vehicles and strengthen the management of vehicles. RFID technology, as an effective means of information collection in the traffic dispatch system, will play an important role in the traffic dispatch management system.
RFID controlled traffic light control system (BRT)
Using the RFID-controlled traffic light control system, some vehicles are given priority to pass, and the relative priority is public transportation vehicles. This solution can ensure to the greatest extent that the city’s main body is running smoothly, quickly and efficiently. At the same time, absolute priority is given to vehicles with special needs in society.Increase its travel efficiency
Stick an RFID tag on the front windshield of the vehicle. Install RFID readers at traffic lights in four directions at the intersection.
1. When a vehicle approaches an intersection and encounters a green light, extend the current green light phase time appropriately to ensure that the vehicle has ample time to pass through the intersection.
2. When the vehicle approaches the intersection and encounters a red light, shorten the red light signal cycle and reduce the waiting time of the vehicle.
The above scheme can reduce the delay time of buses at the intersection as much as possible. Ensure that public transport vehicles operate quickly and in time, and maximize their role as the main body of transport. Due to the complex conditions of urban roads, it is easy to reflect and diffract the microwave signal of the tag card. In order to prevent the same RFID card number from being read by multiple readers, which may lead to misjudgment of vehicles requesting priority signals, the software can be set Fixed: Once the RFID tag card signal is read, the subsequent card reader will block the RFID card number within a specified time (such as 30 seconds), so as to prevent the same ID number from being read by two readers on the same road. Misjudgment of information. The recognition of multiple signals is processed in accordance with the principle of time priority. Which signal is detected first has priority. The priority of regular buses is called ordinary priority.
Absolute priority is given to some special vehicles in the society, such as fire trucks, emergency vehicles, and police cars. Take the fire-fighting vehicle as an example. Give it a card number with a special electronic tag. Once the fire-fighting vehicle is dispatched, based on the principle of absolute priority, once the tag signal of this special vehicle is detected, the light is absolutely green. Ensure that fire-fighting vehicles can arrive at the disaster relief site as soon as possible. Minimize losses. Cooperating with police cars in this way, emergency vehicles can establish a faster security service system for the city. Further ensure the personal and property safety of residents.
This solution uses active RFID tags to identify vehicles, which has the advantages of low investment cost, high reliability, easy maintenance, and simple installation and implementation. There is no need to disassemble the existing traffic light equipment, just stick the corresponding electronic tags to the priority vehicles, install RFID read-write equipment and adjust the signal light controller software on the basis of the original traffic lights.
RFID rental vehicle management
The Taxi Management Office issues electronic label-type electronic operation certificates through the taxi electronic operation certificate management software platform. The electronic operation certificate records the license plate number, affiliated company, driver qualification certificate, certificate issuance time, valid time, driver violation information record, etc. Management information, all data is encrypted by encryption algorithm to achieve the purpose of completely imitating forgery. After the electronic operation certificate is issued, it is affixed to the windshield on the right side of the taxi. The electronic operation certificate adopts a striking logo design and has an intuitive counterfeit function. Use handheld PDA to conduct electronic operation certificate audit, query information and data modification.Carry out various management of taxi data through the taxi electronic operation certificate management software platform, including the issuance, cancellation, reissue, query of electronic operation certificate, collection of handheld PDA audit data, performance appraisal of inspectors, generation and printing of various reports
RFID bicycle management
The operation information of each convenient service point is automatically generated in real time (such as: statistics on the number of vehicles at the service point, loan and return information statistics), etc., which is convenient for vehicle scheduling and real-time management, automatic statistics of the integrity data of citizens borrowing and returning cars, and point management of personal integrity, Vehicle security electronic fence management, service point anti-theft fence management, and convenient bicycle service points are equipped with electronic fence anti-theft management. When a bicycle is illegally removed from the scope of safety supervision, the system will automatically alarm, prompting “a certain numbered bicycle has been illegally moved at a certain service network”, and the management personnel will receive the alarm and deal with it immediately.
Urban electronic fence
The system has built an urban electronic fence. When the borrower’s self-borrowing point is about to leave the urban area, the system will automatically send out a short message to remind the borrower to return.
Motion detection tracking
The system can be equipped with hand-held or vehicle-mounted detection equipment to detect and track lost bicycles or bicycles that have not been returned on time or left littered elsewhere. When the equipment detects a bicycle or vehicle, it immediately prompts the manager to deal with it.
RFID Non-Parking Toll Management (ETC)
The RFID non-stop toll collection system realizes automatic vehicle identification and information management, improves the efficiency and safety of vehicles, and counts vehicle access data to facilitate management personnel to dispatch, so as to reduce the labor intensity of management personnel and effectively prevent charging loopholes.
When the vehicle is entering/exiting, read the relevant information of the vehicle from the electronic vehicle card, read the relevant information of the driver from the driver card, automatically identify the electronic vehicle card and the driver card, and determine whether the vehicle card is valid and the driver card Control the computer to display the license plate number and driver information corresponding to the electronic car card and driver card one-to-one; the computer automatically stores the passage time, vehicle and driver information in the database, and the lane control computer is based on The data read is judged as follows
Normal card: When the license plate number and driver card read are legal, the door opens automatically, and the door closes automatically when the vehicle leaves coil 1;
Unauthorized card: When the read card or driver card is unauthorized, the system will alarm and capture and save the picture, and the movable gate will not open;
No truck: When the vehicle passes through the bayonet, the system does not read the vehicle card and driver card, the system determines that there is no truck, the system alarms and captures and saves the picture, and the bayonet does not open;
Illegal card: A card that is not from the company, although the data is read by the card reader, but not from the company, the system alarms and captures and saves the picture, and the door does not open.
RFID hazardous chemical transportation
The transportation of hazardous chemicals is a high-risk operation and is currently one of the links where accidents occur frequently. Hazardous chemical transportation vehicles are a source of danger in the flow. Once fire, explosion, leakage and other accidents occur during transportation, it will cause serious harm and loss to society, people and the environment. For many moving and transiting hazardous chemical transportation vehicles, there is a lack of effective dynamic monitoring technology and management methods. There are two main problems in the management and monitoring of hazardous chemical transportation vehicles. One is the issue of management mechanism. Because the transportation vehicles of hazardous chemicals in other cities belong to the transportation unit of other cities and do not belong to the administrative management of a city, the lack of a clear corresponding management agency has led to the phenomenon of multi-departmental overlap in management functions, which has given rise to blind spots in supervision. Management methods such as registration and road inspection can only be used, and it is difficult to achieve full dynamic supervision. Monitoring technical difficulties. There are currently three main technologies used for vehicle monitoring: GPS positioning system, Beidou positioning system and RFID radio frequency identification positioning system. GPS global positioning system is currently a relatively mature positioning and navigation technology that has been widely used in practice. The price is relatively expensive, and it is not suitable for the monitoring of vehicles with heavy traffic. The Beidou positioning system is inferior to GPS in positioning accuracy, and is very dependent on the ground network. It is also not suitable for vehicle monitoring. At the same time, it also has the problem of higher prices. In comparison, RFID radio frequency identification system is more suitable for the monitoring of hazardous chemical transportation vehicles due to the advantages of low price, good scalability, and independence from satellite signals. Adopt RFID radio frequency identification, wireless private network transmission, online detection and monitoring, computer network, communication and database technologies, research and establish RFID transportation vehicle monitoring technical solutions and supervision systems, and set up in demonstration areas such as entry and exit management offices and major traffic arterial roads Fixed and mobile monitoring points, through the monitoring, tracking, traffic control and other measures of hazardous chemical transportation vehicles, realize the dynamic monitoring of hazardous chemical transportation vehicles, so as to fill the current gap in the management of hazardous chemical transportation vehicles .
RFID parking lot network management
The mastery of RFID technology and the full understanding of the vehicle management business process, apply RFID technology to the vehicle intelligent parking lot management process, thereby solving the traditional vehicle release method of parking and swiping cards, greatly improving the efficiency of vehicle release, and ensuring the entrance and exit of the parking lot. Smooth traffic. Through correct design and installation, vehicles can pass without stopping on multiple lanes at the same time without interfering with each other.
In our solution, there are mainly the following key technologies: electronic tags (long-distance cards), long-distance readers, lane controllers and other key equipment.
As long as the tag is placed on the vehicle, the management system can effectively and accurately collect and record the incoming and outgoing vehicle information on a large scale and upload and process it as needed. The background computer recognizes the attributes of the vehicle and drives the gates based on the uploaded information. Open correctly to ensure that the access control system has efficient release capabilities and achieve “pass without stopping.”
The installation method is very simple, as long as the reader is fixed to the appropriate position of the channel, for example: on the wall or bracket. The reader and the background management system (software) are connected through a standard interface, the standard interface includes: RS232, RS485, Wiegand. The electronic tag is installed on the vehicle as its identification. The card reader reads the data of the electronic tag (such as vehicle information, vehicle entry and exit time, billing, etc.) and transmits it to the computer. The computer controls timing and charging through software, thus realizing non-stop management. Install two fixed card readers A and B at the entrance. A is near the gate, and B is about 10m inward. When A reads the card information before B, we can judge it as entering, when B If the card information is read before A, it is judged to be out.
Parking space monitoring and management
Parking space monitoring and management is mainly through the fixed placement of active RFID cards for each parking space, covering the base station in the parking lot through all-round coverage. The base station realizes the monitoring and management of the parking space by receiving the information of the parking space card, and uses the algorithm to achieve the accuracy of the parking space. position.
For special parking spaces, parking locks can also be used for management. The lock cards are one-to-one correspondence. Only when the corresponding vehicle arrives, the parking lock will automatically open, and other unauthorized vehicles cannot park to ensure the use and safety of the special parking spaces.
Parking statistics management, parking guidance management, SMS prompts, LED screen scrolling prompts, hourly charging management
RFID Logistics Car Service
The logistics service of the vehicle service is the use of handheld terminals (including mobile phones) that support satellite positioning and base station positioning or on-board terminals installed in vehicles, based on the communication network, to provide vehicle/personnel location monitoring and dispatch services to group customers. Group customers can use the “Chewutong” service for vehicle positioning and vehicle scheduling, thereby realizing effective vehicle management and optimal allocation of resources, reducing operating and management costs. “Chewutong” business functions include basic positioning functions such as location query, vehicle monitoring, dispatch management, map operation, and value-added functions based on specific industry applications.
Vehicle RFID terminal
The development of automotive digital standard information source technology will promote the “Internet of Vehicles” and RFID industrialization process. When many people still have a little understanding of the new term Internet of Things, some car owners have entered the new era of Internet of Things cars ahead of schedule. Let work and life can get the intelligent experience of the Internet of Things. At present, some international large-scale automobile manufacturers are using the Internet of Things technology to enhance the intelligence of the driving and safety of cars. The cross-border cooperation between the Internet of Things and cars has extended the use of cars. In-vehicle RFID is a service system that provides information by RFID, wireless communication technology, satellite navigation devices, and Internet technology for exchanging text, voice and other information. Service information includes location, transportation, entertainment, Internet, vehicle diagnosis, security, etc.
Program features
Long distance: easy to achieve within 260 meters of reading distance. Realize fully automatic all-weather recognition without manual intervention.
Stable operation: The active card has a stable reading distance and is not easily affected by the surrounding environment. Moreover, the active card can effectively break through the shielding effect of the automobile’s explosion-proof metal mesh, and smoothly exchange data with the reader.
It supports high-speed mobile reading, and the moving speed of the identification card can reach 140 km/h.
High reliability, it can operate normally within the ambient temperature of -40℃-85℃, especially in the low temperature in the north and high temperature in the south, it has more advantages, and it can effectively resist dust and pollutants in the air.
High anti-interference: There are no special requirements for various interference sources on site, and the installation is convenient and simple.
There is no need to apply for and pay for the 2.4G microwave frequency band that is open worldwide.
Ultra-low power consumption: long service life, low average cost, and it is safer and healthier for the human body without radiation damage.
product description
1. Active proximity card
Active proximity card is an active electronic tag that identifies the unique identity of each car. Its main technical performance is as follows:
Antenna: PCB antenna;
Working frequency: 2.4GHz; Transmitting power: ≤-10dBm, adjustable; RF receiving sensitivity: -101dBm, adjustable;
Power supply: lithium manganese button battery;
Working voltage: DC3V Working time: Working time up to 3 years (1S launch once);
Working temperature: -25℃～80℃; Storage temperature: -40℃～85℃; Protection grade: IP21;
2. Base station
The base station receives the tag data and transmits the data to the server. Its main technical performance is as follows:
Antenna interface: 3 channels, support omnidirectional antenna and directional antenna;
Working frequency: 2.4GHz; identification distance: 1～300m, adjustable; minimum receiving sensitivity: -101dBm.
Working voltage: DC9V～48V; Working temperature: -25℃～80℃;
Protection level: IP65
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