CN103578275B - A kind of dynamic single mode vehicle type recognition method and apparatus - Google Patents
A kind of dynamic single mode vehicle type recognition method and apparatus Download PDFInfo
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- CN103578275B CN103578275B CN201210253929.6A CN201210253929A CN103578275B CN 103578275 B CN103578275 B CN 103578275B CN 201210253929 A CN201210253929 A CN 201210253929A CN 103578275 B CN103578275 B CN 103578275B
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Abstract
The invention discloses a kind of dynamic single mode vehicle type recognition method, it is characterised in that produce alternating magnetic field after comprising the steps: the energising of a, ground induction coil sensor and carry out collection data preparation；The change of wire loop inductance value collection vehicle data are produced after alternating magnetic field energy is absorbed by vehicle chassis in b, described step a；Inductance value delta data in c, described step b passes to CPU in the lump with other vehicle datas after signal behavior and signal shaping；D, CPU analyze data and determine type of vehicle.The present invention is when identifying, system by the various characteristics that collect through CPU model data model treatment, and then draw recognition result, when running into non-common vehicle types, data model will re-start study using this model data as sample, through constantly self study, the process of self-identifying, system identification accuracy rate will be made to be greatly improved.
Description
Technical field
The present invention relates to vehicle identifier, particularly to the dynamic single mode type of vehicle of one
Recognition methods and device.
Background technology
The fast development of economic society so that common people's owning amount cumulative year after year to automobile, with
Occur in that much problems about vehicle management.Such as, rapid due to various vehicle fleet sizes
Increasing, various vehicles route running the most according to the rules and the phenomenon that disturbs residents happen occasionally, and cause traffic
Order is disorderly, and the masses go on a journey inconvenience.By manpower vehicle is identified thus regulation is various
The enforcement lack of standardization of vehicle is not only lost time, and inefficiency, society cannot be met far away
Demand, then people attempt realizing the automatic identification to type of vehicle by technology.Type of vehicle
Automatically identify it is a perplexing technical barrier, scientific and technical personnel are the most one after another by red
Outward, laser, ultrasonic, microwave sounding, linear, nonlinear strain sensor detection, image,
The fuzzy diagnosis of figure, or the combination of this several method, even taste trail road and directly weigh
The identification to type of vehicle is realized etc. mode.
On domestic market, wagon detector mainly has six types, i.e. video detector, ring
Shape coil checker, supersonic detector, infrared detector, Doppler radar ripple detector
And laser detector.Wherein infrared detector and supersonic detector due to install inconvenience, can
The most progressively it is eliminated by property is low.Radar detector cannot differentiate vehicle traffic direction and vehicle place
Position or track.Video detector accuracy of detection is low, easily by environmental disturbances.Laser detector is fitted
For bicycle road and relatively costly.The most not yet develop more satisfactory, practical identification to produce
Product.
Summary of the invention
For the defect overcoming above-mentioned prior art to exist, the present invention provides a kind of dynamic single side
Formula vehicle type recognition method and apparatus, low cost, good reliability, accuracy of detection are high and safeguard
Simply.
To achieve these goals, technical scheme is as follows:
A kind of dynamic single mode vehicle type recognition method, comprises the steps:
Produce alternating magnetic field after the energising of a, ground induction coil sensor and carry out collection data preparation；
Wire loop inductance is produced after alternating magnetic field energy is absorbed by vehicle chassis in b, step a
Amount change collection vehicle data；
Inductance value delta data in c, step b after signal behavior and signal shaping with its
He passes to CPU by vehicle data in the lump；
D, CPU analyze data and determine type of vehicle.
Ground induction coil sensor of the present invention is two or more.
Alternating magnetic field in step a of the present invention is 60～300KHZ.
Vehicle data parameter in step b of the present invention is speed, vehicle commander, chassis and group thereof
Close.
What the present invention also provided for a kind of dynamic single mode vehicle type recognition method realizes device,
Including ground induction coil sensor and scm managing system；
Described scm managing system includes CPU, crystal oscillator module, watchdog circuit module, answers
Position circuit module, computer interface level shifting circuit module and condition indication circuit module；Institute
State crystal oscillator module, watchdog circuit module, reset circuit module, computer interface level conversion
Circuit module is connected with CPU respectively with condition indication circuit module；
Described ground induction coil sensor is sequentially connected with selection circuit, signal transformation circuit, CPU.
The present invention realizes watchdog circuit module described in device, reset circuit module and state instruction
Circuit module is connected with CPU by I/O communication interface respectively.
It is two or more that the present invention realizes ground induction coil sensor described in device.
The present invention realize the alternating magnetic field that ground induction coil sensor described in device produces be 60～
300KHZ。
It is speed, car that the present invention realizes the data parameters of ground induction coil sensor collection described in device
Length, chassis and combinations thereof.
The invention has the beneficial effects as follows, be arranged on behaviour by software insertion type vehicle detected
Make in system, rely on substantial amounts of data acquisition, learn and train, it is established that the car of fuzzy pattern
Type data model, when identifying, various characteristics system acquisition arrived are through model data
Model treatment, and then draw recognition result, when running into non-common vehicle types, data model will be this
Model data re-starts study as sample, through constantly carrying out the process learning, identifying,
System identification accuracy rate will be made to be greatly improved.
Accompanying drawing explanation
Fig. 1 is the flow chart of the inventive method；
Fig. 2 is the structural representation of apparatus of the present invention.
In figure, 1, signal transformation circuit, 11, ground induction coil sensor, 2, selection circuit,
22, scm managing system, 4, CPU, 5, crystal oscillator module, 6, watchdog circuit module,
7, reset circuit module, 8, computer interface level shifting circuit module, 9, state instruction
Circuit module, 10, I/O communication interface.
Detailed description of the invention:
Understand with reaching purpose and being readily apparent to make the creation characteristic of the present invention, technological means,
The present invention is expanded on further below in conjunction with specific embodiment.
Embodiment:
Referring to Fig. 1, a kind of dynamic single mode vehicle type recognition method, comprise the steps:
Produce alternating magnetic field after ground induction coil sensor energising and carry out collection data preparation S11；Vehicle
Chassis absorbs and produces the change of wire loop inductance value collecting vehicle in S11 after alternating magnetic field energy
Data S12；Inductance value delta data after signal behavior and signal shaping with other vehicles
Data pass to CPU S13 in the lump；CPU analyzes data and determines type of vehicle S14.
Ground induction coil sensor of the present invention is two or more.
Alternating magnetic field in S11 of the present invention is 60～300KHZ.
Vehicle data parameter in S12 of the present invention is speed, vehicle commander, chassis and combinations thereof.
What the present invention also provided for a kind of dynamic single mode vehicle type recognition method realizes device,
Including ground induction coil sensor 11 and scm managing system 22；
Described scm managing system include CPU4, crystal oscillator module 5, watchdog circuit module 6,
Reset circuit module 7, computer interface level shifting circuit module 8 and condition indication circuit mould
Block 9；Described crystal oscillator module 5, watchdog circuit module 6, reset circuit module 7, computer
Interface level change-over circuit module 8 is connected with CPU4 respectively with condition indication circuit module 9；
Described ground induction coil sensor 11 and selection circuit 2, signal transformation circuit 1, CPU4
It is sequentially connected.
The present invention realizes watchdog circuit module 6 described in device, reset circuit module 7 and state
Indicating circuit module 9 is connected with CPU4 by I/O communication interface 10 respectively.
It is two or more that the present invention realizes ground induction coil sensor 11 described in device.
The present invention realize the alternating magnetic field that ground induction coil sensor 11 described in device produces be 60～
300KHZ。
It is car that the present invention realizes the data parameters of ground induction coil sensor 11 collection described in device
Speed, vehicle commander, chassis and combinations thereof.
On the track needing monitoring, an ahead running traffic direction buries ground induction coil underground at regular intervals
Sensor, when detector detects that vehicle starts timing when pressing first coil, detects car
When pressing second coil, timing terminates, and now running velocity can be calculated by formula
Go out.Running velocity=coil-span/vehicle presses the time difference of two coils.Car
Length=vehicle presses 1 coil to the time leaving 1 coil.The car gathered by coil
Chassis-date, in conjunction with Vehicle length, running velocity data, just may be used through algorithm conversion
To obtain type of vehicle.
The present invention can identify minicar, station wagon, jubilee wagen, middle bus, medium-sized
Lorry, motorbus, high capacity waggon, container truck, medium-sized cleaning car, heavy goods vehicle.
During coil collection vehicle chassis-date, mainly headstock, vehicle body and the tailstock of vehicle is adopted
The data of collection carry out segmentation, and segmentation is the most, then resolution ratio is the highest, and the identification to type of vehicle is imitated
Fruit is the best, and the present embodiment is, headstock data are divided into two sections: VO1 and VO2；To vehicle body number
According to being divided into three sections: VO3, VO4 and VO5；Tailstock data are divided into two sections: VO6 and VO7.
Type of vehicle can be told after VO1～VO7 is carried out algorithm substitution ratio again.
Chassis is collected shown in parameter and the following chart of recognition effect:
The general principle of the present invention, principal character and the present invention excellent has more than been shown and described
Point.Skilled person will appreciate that of the industry, the present invention is not restricted to the described embodiments, on
State the principle that the present invention is simply described described in embodiment and specification, without departing from the present invention
On the premise of spirit and scope, the present invention also has various changes and modifications, these changes and improvements
Both fall within scope of the claimed invention.Claimed scope is by appended right
Claim and equivalent thereof define.
Claims (7)
1. a dynamic single mode vehicle type recognition method, it is characterised in that comprise the steps:
Produce alternating magnetic field after the energising of a, ground induction coil sensor and carry out collection data preparation；
Produce wire loop inductance value after alternating magnetic field energy is absorbed by vehicle chassis in b, step a change and adopt
Collection vehicle data, described vehicle data is chassis-date, speed and vehicle commander, including to the headstock of vehicle, car
The data that body and the tailstock are gathered carry out segmentation；
Inductance value delta data in c, step b passes to CPU after signal behavior and signal shaping；
D, CPU analyze data and determine type of vehicle.
Recognition methods the most according to claim 1, it is characterised in that described ground induction coil sensor is
Two or more.
Recognition methods the most according to claim 1, it is characterised in that the alternation magnetic in described step a
Field is 60～300KHZ.
4. one kind is used for realizing a kind of dynamic single mode vehicle type recognition method as claimed in claim 1
Device, it is characterised in that include ground induction coil sensor and scm managing system；
Described scm managing system include CPU, crystal oscillator module, watchdog circuit module, reset circuit module,
Computer interface level shifting circuit module and condition indication circuit module；Described crystal oscillator module, house dog electricity
Road module, reset circuit module, computer interface level shifting circuit module and condition indication circuit module are divided
It is not connected with CPU；
Described ground induction coil sensor is sequentially connected with selection circuit, signal transformation circuit, CPU；
The data parameters of described ground induction coil sensor collection is chassis-date, speed and vehicle commander.
The most according to claim 4 realize device, it is characterised in that described watchdog circuit module,
Reset circuit module and condition indication circuit module are connected with CPU by I/O communication interface respectively.
The most according to claim 4 realize device, it is characterised in that described ground induction coil sensor is
Two or more.
The most according to claim 4 realize device, it is characterised in that described ground induction coil sensor produces
Raw alternating magnetic field is 60～300KHZ.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210253929.6A CN103578275B (en) | 2012-07-21 | 2012-07-21 | A kind of dynamic single mode vehicle type recognition method and apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210253929.6A CN103578275B (en) | 2012-07-21 | 2012-07-21 | A kind of dynamic single mode vehicle type recognition method and apparatus |
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| CN103578275A CN103578275A (en) | 2014-02-12 |
| CN103578275B true CN103578275B (en) | 2016-09-07 |
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| JPH11296787A (en) * | 1998-04-08 | 1999-10-29 | Kenwood Corp | Vehicle detector |
| CN2434746Y (en) * | 2000-07-21 | 2001-06-13 | 北京易地平方信息技术有限公司 | Vehicle automatic classification device |
| CN201072600Y (en) * | 2007-08-22 | 2008-06-11 | 沈阳聚德视频技术有限公司 | State detecting and control device of vehicle license plate automatic recognition system |
| CN101311982A (en) * | 2007-05-22 | 2008-11-26 | 深圳市哈工大交通电子技术有限公司 | Vehicle assorted check detection device and method |
| CN101833862A (en) * | 2009-11-06 | 2010-09-15 | 中山大学 | False-detection resistant annular coil vehicle detector |
| KR101017680B1 (en) * | 2008-11-19 | 2011-02-25 | 이용인 | Apparatus for gathering vehicle information of wheel |
| CN202102593U (en) * | 2011-06-29 | 2012-01-04 | 广州市图之灵计算机技术有限公司 | Automatic vehicle type classification system |
-
2012
- 2012-07-21 CN CN201210253929.6A patent/CN103578275B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11296787A (en) * | 1998-04-08 | 1999-10-29 | Kenwood Corp | Vehicle detector |
| CN2434746Y (en) * | 2000-07-21 | 2001-06-13 | 北京易地平方信息技术有限公司 | Vehicle automatic classification device |
| CN101311982A (en) * | 2007-05-22 | 2008-11-26 | 深圳市哈工大交通电子技术有限公司 | Vehicle assorted check detection device and method |
| CN201072600Y (en) * | 2007-08-22 | 2008-06-11 | 沈阳聚德视频技术有限公司 | State detecting and control device of vehicle license plate automatic recognition system |
| KR101017680B1 (en) * | 2008-11-19 | 2011-02-25 | 이용인 | Apparatus for gathering vehicle information of wheel |
| CN101833862A (en) * | 2009-11-06 | 2010-09-15 | 中山大学 | False-detection resistant annular coil vehicle detector |
| CN202102593U (en) * | 2011-06-29 | 2012-01-04 | 广州市图之灵计算机技术有限公司 | Automatic vehicle type classification system |
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| CN103578275A (en) | 2014-02-12 |
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