CN102542807B - RFID/VFID (Radio Frequency Identification Device/Video Frequency Identification Device) comprehensive comparison intelligent vehicle management system and method - Google Patents

RFID/VFID (Radio Frequency Identification Device/Video Frequency Identification Device) comprehensive comparison intelligent vehicle management system and method Download PDF

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CN102542807B
CN102542807B CN201210012527.7A CN201210012527A CN102542807B CN 102542807 B CN102542807 B CN 102542807B CN 201210012527 A CN201210012527 A CN 201210012527A CN 102542807 B CN102542807 B CN 102542807B
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vehicle
rfid
vfid
information
subsystem
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CN201210012527.7A
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CN102542807A (en
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李元忠
余权
黄黎明
朱宏
姚海天
蔡宗联
杨波
叶飞
俞凯
周鹏
刘均
李朗
徐朗
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四川新源现代智能科技有限公司
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Abstract

The invention discloses a RFID/VFID (Radio Frequency Identification Device/Video Frequency Identification Device) comprehensive comparison intelligent vehicle management system and a method. The system comprises one or more automatic vehicle identifying fixed station, one or more automatic vehicle identifying moving station, a communication network and a management center, wherein the fixed station and the moving station are respectively connected with the management center through the communication network; the fixed station and the moving station comprise one or more RFID subsystem, one or more VFID subsystem and one or more intelligent controller; the RFID subsystem and the VFID subsystem are respectively connected with the intelligent controller; and the VFID subsystem comprises a light-supplementing lamp, a high definition camera and a DSP (Digital Signal Processing) module, which are connected one another, wherein the DSP module is embedded in the high definition camera. The problems of finding and trigger starting when a vehicle passes in the absence of a lane coil and the problems of comprehensive comparison and filtering under the conditions of multi-path interference and cloned license plate are solved by using the system provided by the invention. The system provided by the invention has significance for resisting interference, preventing fake and saving energy.

Description

RFID/VFID comprehensively compares Intelligentized vehicle management system and method

Technical field

The present invention relates to a kind of RFID/VFID and comprehensively compare Intelligentized vehicle management system and method.

Background technology

Along with globalization of world economy, city, world city is increasing, and urban population and vehicle expand thereupon.According to the United Nations statistics, the population in the whole world 50% in 2008 has entered into city, in China, also has 1,500 ten thousand people to enter city every year, and by 2025, China had nearly 2/3rds population and lives in city.With this simultaneously, along with the rapid growth of vehicles number, car owner is illegal, violating the regulations, fee evasion phenomenon becomes increasingly conspicuous.According to the first two years statistics, the quantity of Chengdu motor vehicle has exceeded 1,600,000, owing to lacking effective examination means, has 5% car owner not pay road toll; According to Guangzhou Investigation, deck clones to hire a car and reaches more than 4000, just 16000 of regular taxis, and the common haulage vehicle of Shenzhen, fake-licensed car ratio is in 15~30% left and right, and its fee evasion scale is surprising.On other places vehicle and commerial vehicle, do not install or do not fill on " label ", and existing vehicle management system cannot be identified automatically, thereby cause " escape " and " clone " phenomenon violating the regulations of nonlocal vehicle and commerial vehicle more and more, become one of difficult problem of city vehicle management, they directly affect the maintenance of the taking over of vehicle set-fee, traffic order and safety.Existing vehicle management system has been only applicable to track coil, cannot complete discovery and triggering startup that vehicle passes through without track coil in the situation that; In the situation that having multipath to disturb and cloning car plate, also cannot complete comprehensive comparison and filtration.

Summary of the invention

Object of the present invention is to overcome the deficiencies in the prior art, provide a kind of RFID/VFID comprehensively to compare Intelligentized vehicle management system and method, provide fixing and mobile two kinds of modes to check information of vehicles, the information of vehicles that can fix certain place of examination by fixed station, is applicable to " escape " and " clone " phenomenon more area occurs.By movement station, can check neatly vehicle, mobile examination car can be parked on road randomly, and afterwards, the scope of application is wider also can to trail the suspicious vehicle (particularly commerial vehicle) that need check.Introduce DSP module, solved discovery when vehicle passes through without track coil in the situation that and triggered startup; Adopt the comprehensive comparison filtering module of establishing in intelligent controller, and introduce multipath and disturb the softwares such as filtration, solved and had multipath to disturb and the problem such as the comprehensive comparison of clone car plate in the situation that and filtration, this be the present invention anti-interference, false proof and energy-conservation aspect the key of contributing.

The object of the invention is to be achieved through the following technical solutions: RFID/VFID comprehensively compares Intelligentized vehicle management system, it comprises one or more automatic vehicle identification fixed stations, one or more automatic vehicle identification movement station, communication network and administrative center.Fixed station is located at fixed position; Movement station comprises vehicular, portable.Fixed station is connected with administrative center by communication network respectively with movement station, and the server in administrative center, DVR, printer, display screen, workstation group interconnect by switch.Fixed station and movement station comprise one or more RFID subsystems, one or more VFID subsystem, one or more intelligent controller.RFID subsystem, VFID subsystem are connected with intelligent controller respectively; Intelligent controller is connected with sound prompt device and LED display device respectively.Described RFID subsystem comprises antenna, rfid interrogator; Described VFID subsystem comprises connected light compensating lamp, high-definition camera and is embedded in the DSP module in high-definition camera, and described DSP digital signal processing is the abbreviation of English Digital Signal Processing; Described DSP module is connected with read write line.

Described workstation group at least comprises GIS workstation, management work station, card pipe workstation and communication work station.Described communication network comprises public communication network, private wire network and junction service module; Described public communication network comprises public telephone network PSTN, Digital Data Net DDN, broadband networks GPRS or CDMA; Described dedicated communications network comprises optical networking, microwave communication.Described intelligent controller is comprised of industrial computer; Described DVR is connected with supervisory keyboard.

RFID/VFID comprehensively compares Intelligentized vehicle management system, and it also comprises power module, and described power module is connected with lightning protection for power supply.

Fixed station has been equipped with at least 3 kinds " labels ", comprises being arranged in vehicle windscreen, being arranged on ultrahigh frequency (UHF:920.5~924.5MHz) on vehicle tail metal car plate, remote (≤7m) " label ", be called " car card "; The UHF " label " being carried by driver, is called " driver card "; At the rear seat windscreen of taxi, post high frequency (HF:13.65MHz) " label ".Fixed station configures desk-top read write line and hand-held read-write, for reading the information of " car card " and " driver card "; Hand-held read-write is except reading " car card " and " driver card ", the also bar code information on readable high frequency (HF:13.65MHz) " label " and driver's driving license.

Movement station has been equipped with at least two kinds " labels ": remote " label " and closely " label ", and wherein, remote " label " (" car card ") adopts ultrahigh frequency (915MHZ) RFID chip, encryption and tamper technology, and price is higher; Closely " label " (" car mark ") adopts cheap high frequency (13.56MHZ) RFID chip, two kinds " label " includes unique identification address (ID) number, they are all without powered battery, reach serviceable life more than 10 years, two kinds " label " is arranged on the vehicle (containing commerial vehicle) of being checked.

RFID/VFID comprehensively compares intelligent vehicle management method, and it comprises the following steps:

(1) initialization: set induction range and the sensitivity of magnetic test coil;

(2) magnetic test coil identification: the variation of image (or track coil magnetic field) in magnetic test coil induction range, has judged whether that vehicle passes through;

(3) start and trigger: when having track, vehicle passing detection coil place, VFID subsystem starts light compensating lamp flash of light, starts the image information of high-definition camera candid photograph vehicle, collection vehicle image information simultaneously; Meanwhile, RFID subsystem starts read write line and sends interrogating signal to vehicle " label ", " label " received after interrogating signal, " label " No. ID is modulated on answer signal, return to antenna and read write line, read write line demodulates " label " No. ID after receiving answer signal, thereby learns license plate number and the relevant information thereof of vehicle;

(4) identification automatically: when receiving the induced signal of magnetic test coil, automatically start VFID subsystem and RFID subsystem, identify, correspondingly obtain license plate number and RFID data;

(5) comprehensively comparison: RFID and VFID subsystem are passed to intelligent controller by the vehicle license plate information of extracting separately simultaneously, can comprehensively compare by intelligent controller embedded comprehensive comparison filtering module and software thereof the multipath interfere information of filtering neighboring trace; Also can with under be loaded in intelligent controller " blacklist " information of vehicles contrast; Also can be transferred to vehicle management center by junction service module and communication network, compare with the information of vehicle management center database;

(6) send: the license plate number information package after comprehensively comparing is uploaded to vehicle management center;

(7) receive, process: vehicle management center receives license plate number information, and the license plate number information collecting when two subsystems of RFID and VFID is consistent, and this vehicle is when record without violating the regulations, arrearage, intelligent controller sends the information of passing through; Inconsistent when the license plate number information that two subsystems collect, or this vehicle has record violating the regulations, or while having arrearage to record, intelligent controller sends intercept information, and by junction service module and communication network notice law enforcement car, processing is tackled and checked to this car.

Described filtering multipath interfere information comprises the following steps: the number plate information of real-time collecting RFID identification, judge whether the number plate of vehicle information that multiple RFID recognize, if have, the license plate number recognizing after the RFID data of each vehicle and magnetic test coil startup is compared, judge whether No. ID of identical vehicle " label ", if have, filtering and magnetic test coil start after in the vehicle license plate that recognizes of RFID subsystem and VFID subsystem number, its " label " No. ID different information of vehicles.

Described magnetic test coil comprises any one or the combination of two in track coil, virtual coil, and described track coil is located at fixed station, and described virtual coil is located at movement station.

The invention has the beneficial effects as follows:

(1) the invention provides a kind of RFID/VFID and comprehensively compare Intelligentized vehicle management system and method, provide fixing and mobile two kinds of modes to check information of vehicles, the information of vehicles that can fix certain place of examination by fixed station, is applicable to " escape " and " clone " phenomenon more area occurs; By movement station, can check neatly vehicle, mobile examination car can be parked on road randomly, and afterwards, the scope of application is wider also can to trail the suspicious vehicle (particularly commerial vehicle) that need check;

(2) the invention provides a kind of RFID/VFID and comprehensively compare Intelligentized vehicle management system and method, adopt high-resolution, special, intelligent industrial camera, resolution is up to 2,000,000 pixels, it possesses intelligent imaging and controls light filling function, can go out picture clearly at various complex environments (as misty rain, strong backlight, the low light level photograph, intense light irradiation etc.) time and shooting at night, can allow each car of capturing generate a pictures, can be chosen in the vehicle pass-through information (as time, place, the speed of a motor vehicle, direction etc.) that superposes in image;

(3) the invention provides a kind of RFID/VFID and comprehensively compare Intelligentized vehicle management system and method, virtual coil, video are triggered to the softwares such as algorithm and number plate identification and are integrated in dedicated data signal processing (DSP) module, and the DSP after integrated is embedded in high-definition camera; To comprehensively compare, multipath disturbs the integrated software module of software such as filtration, be embedded in intelligent controller.Introduced virtual coil and video and triggered algoritic module, solved discovery when vehicle passes through without track coil in the situation that and triggered startup; Adopt the comprehensive comparison filtering module of establishing in intelligent controller, and introduce multipath and disturb the softwares such as filtration, solved and had multipath to disturb and the problem such as the comprehensive comparison of clone car plate in the situation that and filtration, this be the present invention anti-interference, false proof and energy-conservation aspect the key of contributing.

Accompanying drawing explanation

Fig. 1 is system architecture diagram of the present invention;

Fig. 2 is the composition structural representation of AVI fixed station of the present invention;

Fig. 3 is AVI fixed station structured flowchart of the present invention;

Fig. 4 is AVI movement station structured flowchart of the present invention;

Fig. 5 is number plate of the present invention, RFID contrast filtering process figure;

Fig. 6 is virtual coil identification process figure of the present invention;

Fig. 7 is number plate identification process figure of the present invention;

Fig. 8 is RFID identification process figure of the present invention;

Fig. 9 is filtering multipath interfere information process flow diagram of the present invention.

Embodiment

Below in conjunction with accompanying drawing, the present invention will be further described, but protection scope of the present invention is not limited to the following stated.

Fig. 1 is system architecture diagram of the present invention, and as shown in Figure 1, RFID/VFID comprehensively compares Intelligentized vehicle management system, and it comprises one or more automatic vehicle identification fixed stations, one or more automatic vehicle identification movement station, communication network and administrative center.Fixed station is located at fixed position; Movement station comprises vehicular, portable.Fixed station is connected with administrative center by communication network respectively with movement station, and the server in administrative center, DVR, printer, display screen, workstation group interconnect by switch.Described workstation group at least comprises GIS workstation, management work station, card pipe workstation and communication work station; Described communication network comprises public communication network, private wire network and junction service module; Described public communication network comprises public telephone network PSTN, Digital Data Net DDN, broadband networks GPRS or CDMA; Described dedicated communications network comprises optical networking, microwave communication.Described intelligent controller is comprised of industrial computer; Described DVR is connected with supervisory keyboard.

Fig. 2 is the composition structural representation of AVI fixed station of the present invention, Fig. 3, Fig. 4 are respectively the structured flowchart of AVI fixed station of the present invention, AVI movement station, as shown in Figure 2, Figure 3, Figure 4, wherein, fixed station and movement station comprise one or more RFID subsystems, one or more VFID subsystem, one or more intelligent controller.RFID subsystem, VFID subsystem are connected with intelligent controller respectively; Intelligent controller is connected with sound prompt device and LED display device respectively.As shown in Figure 3, Figure 4, described RFID subsystem comprises antenna, rfid interrogator; Described VFID subsystem comprises connected light compensating lamp, high-definition camera and is embedded in the DSP module in high-definition camera, described DSP module comprises that number plate identification module, virtual coil and video trigger algoritic module, in Fig. 3, fixed station VFID subsystem also comprises wagon detector and track coil thereof, and DSP module, wagon detector are connected with video camera, read write line respectively.

RFID/VFID comprehensively compares Intelligentized vehicle management system, and it also comprises power module, and described power module is connected with lightning protection for power supply.

Fixed station has been equipped with at least 3 kinds " labels ", comprises being arranged in vehicle windscreen, being arranged on ultrahigh frequency (UHF:920.5~924.5MHz) on vehicle tail metal car plate, remote (≤7m) " label ", be called " car card "; The UHF " label " being carried by driver, is called " driver card "; At the rear seat windscreen of taxi, post high frequency (HF:13.65MHz) " label ".Fixed station configures desk-top read write line and hand-held read-write, for reading the information of " car card " and " driver card "; Hand-held read-write is except reading " car card " and " driver card ", the also bar code information on readable high frequency (HF:13.65MHz) " label " and driver's driving license.

Movement station has been equipped with at least two kinds " labels ": remote " label " and closely " label ", and wherein, remote " label " (" car card ") adopts ultrahigh frequency (915MHZ) RFID chip, encryption and tamper technology, and price is higher; Closely " label " (" car mark ") adopts cheap high frequency (13.56MHZ) RFID chip.Two kinds " label " includes unique identification address (ID) number, and they reach more than 10 years all without powered battery serviceable life, and two kinds " label " is arranged on the vehicle (containing commerial vehicle) of being checked.

As shown in Fig. 5, Fig. 6, Fig. 7, Fig. 8, RFID/VFID comprehensively compares intelligent vehicle management method, and it comprises the following steps:

(1) initialization: set induction range and the sensitivity of magnetic test coil;

(2) magnetic test coil identification: the variation of image (or track coil magnetic field) in magnetic test coil induction range, has judged whether that vehicle passes through;

(3) start and trigger: when having track, vehicle passing detection coil place, VFID subsystem starts light compensating lamp flash of light, starts the image information of high-definition camera candid photograph vehicle, collection vehicle image information simultaneously; Meanwhile, RFID subsystem starts read write line and sends interrogating signal to vehicle " label ", " label " received after interrogating signal, " label " No. ID is modulated on answer signal, return to antenna and read write line, read write line demodulates " label " No. ID after receiving answer signal, thereby learns license plate number and the relevant information thereof of vehicle;

(4) identification automatically: when receiving the induced signal of magnetic test coil, automatically start VFID subsystem and RFID subsystem, identify, correspondingly obtain license plate number and RFID data;

(5) comprehensively comparison: RFID and VFID subsystem are passed to intelligent controller by the vehicle license plate information of extracting separately simultaneously, can comprehensively compare by intelligent controller embedded comprehensive comparison filtering module and software thereof the multipath interfere information of filtering neighboring trace; Also can with under be loaded in intelligent controller " blacklist " information of vehicles contrast; Also can be transferred to vehicle management center by junction service module and communication network, compare with the information of vehicle management center database;

(6) send: the license plate number information package after comprehensively comparing is uploaded to vehicle management center;

(7) receive, process: vehicle management center receives license plate number information, and the license plate number information collecting when two subsystems of RFID and VFID is consistent, and this vehicle is when record without violating the regulations, arrearage, intelligent controller sends the information of passing through; Inconsistent when the license plate number information that two subsystems collect, or this vehicle has record violating the regulations, or while having arrearage to record, intelligent controller sends intercept information, and by junction service module and communication network notice law enforcement car, processing is tackled and checked to this car.

As shown in Figure 9, described filtering multipath interfere information comprises the following steps: the number plate information of real-time collecting RFID identification, judge whether the number plate of vehicle information that multiple RFID recognize, if have, the license plate number recognizing after the RFID data of each vehicle and magnetic test coil startup is compared, judge whether No. ID of identical vehicle " label "; If have, filtering and magnetic test coil start after in the vehicle license plate that recognizes of RFID subsystem and VFID subsystem number, its " label " No. ID different information of vehicles.Described magnetic test coil comprises any one or the combination of two in track coil, virtual coil, and described track coil is located at fixed station, and described virtual coil is located at movement station.

Principle of work of the present invention and the course of work:

(1) principle of work of RFID subsystem: " label " internal memory of RFID subsystem has identification address (ID) number, and this ID whole world is unique, before dispatching from the factory, by locked, it is unique " identification card number " of " label " (being to be also mounted vehicle)." label " is arranged on after vehicle, and card writer together writes in the database of vehicle management center with the license plate number of vehicle " label " No. ID, sets up the unique corresponding relation of this vehicle and " label "; The antenna of RFID subsystem works in ultra-high frequency band 880~960MHZ, its antenna gain >=11dbi; Rfid interrogator is frequency hopping within the scope of 902~928MHZ, has frequency hopping antijamming capability, and it exports peak power >=1 watt, be better than-90dbmw of receiving sensitivity; Read write line demodulates " label " No. ID from " replying " signal receiving, and gives intelligent controller processing, and extracts the license plate number information of vehicle;

The course of work of RFID subsystem: when the vehicle that is loaded with " label " is by track coil or track, virtual coil place, while entering the read write line of RFID subsystem and the reach of antenna thereof, when the track of fixed station coil and wagon detector, or the virtual coil of movement station detects that vehicle arrives during information, starts read write line and sends " inquiry " signal to " label "; " label " receive after " inquiry " signal, and " label " No. ID is modulated on " replying " signal, returns to read write line; Read write line is received " replying " signal, and demodulates " label " No. ID, thereby learns license plate number and the relevant information of vehicle;

(2) principle of work of VFID subsystem and the course of work: when vehicle passes through track coil or track, virtual coil place, when the track of fixed station coil and wagon detector, or the virtual coil of movement station detects when vehicle passes through information, start light compensating lamp flash of light; Start high-definition camera simultaneously and capture the image information of vehicle.VFID subsystem is by the image information of high-definition camera collection vehicle, and movement station is sent into the information collecting the DSP module embedding in high-definition camera; Fixed station is sent into the information collecting the number plate identification module embedding in high-definition camera, through DSP module or number plate identification module and corresponding software thereof, processes, and extracts the license plate number information of vehicle from image information;

(3) RFID/VFID comprehensively compares principle of work and the course of work of filtering module: the vehicle license plate information that RFID subsystem and VFID subsystem are extracted respectively, pass to intelligent controller simultaneously and embed comprehensive comparison filtering module wherein, comprehensively compare filtering monkey chatter information; The number plate information that RFID subsystem and VFID subsystem collect also can with under be loaded in intelligent controller " blacklist " information of vehicles contrast; Also can, by junction service module and communication network network, license plate number information and image information be passed to vehicle management center, compare with the information of its database;

(4) principle of work and the course of work of verbal cue and LED display module: the license plate number of No. ID unique corresponding vehicle and the relevant information of vehicle of " label " are installed on vehicle, comprise license plate number, vehicle, body color, car owner's name, record violating the regulations, payment record etc.The license plate number information that two subsystems collect is consistent, and this vehicle is when record without violating the regulations, arrearage, and intelligent controller sends " passing through " information, and voice cue module is sent " please let pass " sound prompt; LED display module shows " clearance " green; When the license plate number information that two subsystems collect inconsistent, or this vehicle has record violating the regulations, or while having arrearage to record, intelligent controller sends " interception " information, voice cue module is sent the prompting of " interception " warning tone, and LED display module shows " interception " red flash signal; And by junction service module and communication network notice law enforcement car, processing is tackled and checked to this car;

(5) vehicle image collection and video trigger principle of work and the course of work of capturing module: be arranged on mobile examination vehicle movement station with vehicle mobile without fixing position, can not on road, settle track coil everywhere, the present invention adopts ripe video to trigger algorithm, it is the mode based on virtual coil, in DSP module, embed to have based on video and trigger algorithm, be similar to the region of track coil function, by the variation of calculating the gray scale (or color) in this region, judged whether that vehicle enters into region, when finding that there is vehicle, start and trigger, when this triggering mode can be accomplished to trigger, vehicle location is more accurate, simultaneously, because the information source of its triggering is vehicle itself, but not car plate, therefore for the vehicle that does not hang car plate, can complete equally effective triggering captures.Virtual coil, video are triggered to the softwares such as algorithm and number plate identification and be integrated in dedicated data signal processing (DSP) module, be embedded in high-definition camera;

(6) principle of work of intelligent controller and the course of work: will comprehensively compare, multipath disturbs the integrated software module of software such as filtration, be embedded in intelligent controller, intelligent controller completes the comprehensive comparison of the number plate of vehicle information of RFID subsystem and the collection of VFID subsystem by embedded comprehensive comparison filtering module, and the filtration of the undesired signal that causes of multipath effect, the reference information filtering is the number plate information that VFID subsystem is extracted, if this information is not inconsistent with it, will be by filtering.

RFID subsystem and VFID subsystem respectively have relative merits technically, adopt RFID subsystem, and its discrimination is up to 99.95%, but it must install " label " on vehicle; Adopt VFID subsystem, need on vehicle, not install by " label ", but its actual discrimination can only reach 80~90%, even lower.

Illegal vehicle nonlocal or violating the regulations is unkitted (or not filling) " label ", only relies on RFID subsystem cannot collect vehicle-related information.In this case, by the image information of VFID subsystem collection vehicle, and extract number plate of vehicle information; By RFID/VFID, comprehensively compare filtering module, automatically identify number plate and the true and false thereof of local vehicle and nonlocal vehicle.

The present invention, by RFID and two kinds of technological synthesis application of VFID, brings into play their advantages separately, no matter whether " label " is installed on vehicle, the true and false that can check out this vehicle, hits violating the regulations and " clone " flight behavior effectively.It is worth mentioning that, although the actual discrimination of VFID subsystem is lower than RFID subsystem, announcement and the processing of violating the regulations and " clone " escape vehicle information of being captured and recognize by it, to " clone " and and flight behavior be a kind of very large deterrence and inhibition, make city vehicle management further strengthened.

Main performance of the present invention:

(1) RFID subsystem exceedes 10 meters to the decipherment distance of " label ", can reach farthest more than 24 meters;

(2) RFID subsystem allows the speed of a motor vehicle of the vehicle that is loaded with " label " to reach 60km/ hour;

(3) RFID subsystem exceedes 99.95% to the discrimination of " label ";

(4) VFID subsystem exceedes 90% to the correct recognition rata of traditional Chinese Painting number plate.

Claims (6)

1.RFID/VFID comprehensively compares Intelligentized vehicle management system, it is characterized in that: it comprises one or more automatic vehicle identification fixed stations, one or more automatic vehicle identification movement stations, communication network and administrative center, fixed station is located at fixed position, movement station comprises vehicular, portable, fixed station is connected with administrative center by communication network respectively with movement station, server in administrative center, DVR, printer, display screen, workstation group interconnect by switch, fixed station and movement station comprise respectively one or more RFID subsystems, one or more VFID subsystems, one or more intelligent controllers, RFID subsystem, VFID subsystem is connected with intelligent controller respectively, intelligent controller is connected with sound prompt device and LED display device respectively, intelligent controller comprises for the number plate information of RFID subsystem and the collection of VFID subsystem being carried out to the comprehensive comprehensive comparison filtering module of comparing and the filtering multipath interfere information module for No. ID different information of vehicles of vehicle license plate number " label " that after filtering and magnetic test coil startup, RFID subsystem and VFID subsystem recognize, magnetic test coil comprises track coil, any one in virtual coil or two s' combination, described RFID subsystem comprises antenna, rfid interrogator, described VFID subsystem comprises connected light compensating lamp, high-definition camera and is embedded in the DSP module in high-definition camera, and DSP module comprises that number plate identification module for extract number plate of vehicle information from image information, virtual coil and the video that the variation of image in zoning starts triggering that passes through based on virtual coil trigger algoritic module, fixed station VFID subsystem also comprises that DSP module, wagon detector are connected with video camera, read write line respectively for detection of the wagon detector and the track coil thereof that whether have vehicle to arrive.
2. RFID/VFID according to claim 1 comprehensively compares Intelligentized vehicle management system, it is characterized in that: described workstation group at least comprises GIS workstation, management work station, card pipe workstation and communication work station.
3. RFID/VFID according to claim 1 comprehensively compares Intelligentized vehicle management system, it is characterized in that: described communication network comprises public communication network, private wire network and junction service module, described public communication network comprises public telephone network PSTN, Digital Data Net DDN, broadband networks GPRS or CDMA, and described private wire network comprises optical networking, microwave communication.
4.RFID/VFID comprehensively compares intelligent vehicle management method, it is characterized in that: it comprises the following steps:
(1) initialization: set induction range and the sensitivity of magnetic test coil;
(2) magnetic test coil identification: image change in magnetic test coil induction range, has judged whether that vehicle passes through;
(3) start and trigger: when having track, vehicle passing detection coil place, VFID subsystem starts light compensating lamp flash of light, starts the image information of high-definition camera candid photograph vehicle, collection vehicle image information simultaneously; Meanwhile, RFID subsystem starts read write line and sends interrogating signal to vehicle " label ", " label " received after interrogating signal, " label " No. ID is modulated on answer signal, return to antenna and read write line, read write line demodulates " label " No. ID after receiving answer signal, thereby learns license plate number and the relevant information thereof of vehicle;
(4) identification automatically: when receiving the induced signal of magnetic test coil, automatically start VFID subsystem and RFID subsystem, identify, correspondingly obtain license plate number and RFID data;
(5) comprehensively comparison: RFID and VFID subsystem are passed to intelligent controller by the vehicle license plate information of extracting separately simultaneously, can comprehensively compare by intelligent controller embedded comprehensive comparison filtering module and software thereof the multipath interfere information of filtering neighboring trace; Also can with under " blacklist " information of vehicles of being loaded in intelligent controller contrast; Also can be transferred to vehicle management center by junction service module and communication network, compare with the information of vehicle management center database;
(6) send: the license plate number information package after comprehensively comparing is uploaded to vehicle management center;
(7) receive, process: vehicle management center receives license plate number information, and the license plate number information collecting when two subsystems of RFID and VFID is consistent, and this vehicle is when record without violating the regulations, arrearage, intelligent controller sends the information of passing through; Inconsistent when the license plate number information that two subsystems collect, or this vehicle has record violating the regulations, or while having arrearage to record, intelligent controller sends intercept information, and by junction service module and communication network notice law enforcement car, processing is tackled and checked to this car.
5. RFID/VFID according to claim 4 comprehensively compares intelligent vehicle management method, it is characterized in that: the multipath interfere information of described filtering neighboring trace comprises the following steps: the number plate information that real-time collecting RFID recognizes, judge whether the number plate of vehicle information that multiple RFID recognize, if have, the license plate number recognizing after the RFID data of each vehicle and magnetic test coil startup is compared, judge whether No. ID of identical vehicle " label ", if have, filtering and magnetic test coil start after in the vehicle license plate that recognizes of RFID subsystem and VFID subsystem number, its " label " No. ID different information of vehicles.
6. according to the RFID/VFID described in claim 4 or 5, comprehensively compare intelligent vehicle management method, it is characterized in that: described magnetic test coil comprise be located at fixed station track coil, be located at any one or the combination of two in the virtual coil of movement station.
CN201210012527.7A 2012-01-16 2012-01-16 RFID/VFID (Radio Frequency Identification Device/Video Frequency Identification Device) comprehensive comparison intelligent vehicle management system and method CN102542807B (en)

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