CN104794905A - Express way vehicle overspeed detection method based on vibration wave Doppler signal - Google Patents
Express way vehicle overspeed detection method based on vibration wave Doppler signal Download PDFInfo
- Publication number
- CN104794905A CN104794905A CN201510165232.7A CN201510165232A CN104794905A CN 104794905 A CN104794905 A CN 104794905A CN 201510165232 A CN201510165232 A CN 201510165232A CN 104794905 A CN104794905 A CN 104794905A
- Authority
- CN
- China
- Prior art keywords
- vibration wave
- signal
- vehicle
- data processor
- highway
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/14—Systems for determining distance or velocity not using reflection or reradiation using ultrasonic, sonic, or infrasonic waves
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention relates to an express way vehicle overspeed detection method based on a vibration wave Doppler signal. The express way vehicle overspeed detection method is characterized by including fixing a vibration wave detection unit sensor on a roadbed of an express way, and connecting the vibration wave detection unit sensor with a processing unit electrically; when a vehicle travels on the express way, acquiring a vibration wave signal generated by the road surface through the vibration wave detection unit sensor, providing the vibration wave signal for the processing unit electrically connected with the vibration wave detection unit sensor, filtering and analyzing the vibration wave signal by the processing unit, extracting frequency signals, with the same frequency feature, in a vibration wave, acquiring the vibration wave Doppler signal with the same frequency feature, calculating the driving speed of the vehicle on the express way according to frequency shift of the vibration wave Doppler signal, determining whether overspeed driving exists or not according to the speed, and tracking vibration wave information generated by the vehicle in case of overspeed driving.
Description
Technical field
The present invention relates to a kind of vibration wave detection technique, particularly a kind of overspeed of vehicle on highway detection method based on vibration wave Doppler.
Background technology
Domestic " law on road traffic safety " specifies, is decided to be 120 at highway Maximum speed limit.Generally mostly be between 100-120 at present, some tunnel, bridge can be limit 80.Some places also have special provision, generally when entering highway, speed limitation board all can be had to remind.Highway is driven over the speed limit to detect vehicle, in some sections, overspeed of vehicle radar is installed, most vehicle all can enter detections of radar district and slow down car speed, reach regulation requirement, but cross this section can drive over the speed limit again, every year because high way super speed travels the accident that causes a lot, all bring the misery that cannot bear to look back on to each side.
Vehicle speed detection adopts following technology usually: inductive coil detecting device or microwave vehicle detecting device or video-based vehicle detection or infrared vehicle detecting device, no matter be which kind of detecting device above-mentioned, general useful area is all limited, be difficult to cause effective supervision to violator, this highway Maximum speed limit namely in " law on road traffic safety " can only specify, is difficult to punishment.State is for cannot detect by effective technology method.
Summary of the invention
The object of this invention is to provide a kind of overspeed of vehicle on highway detection method based on vibration wave Doppler that can detect high way super speed driving vehicle at a distance.
The object of the present invention is achieved like this, and a kind of overspeed of vehicle on highway detection method based on vibration wave Doppler, is characterized in that: at express highway roadbed fixing vibration wave detecting unit sensor, vibration wave detecting unit sensor is electrically connected with processing unit; Vehicle travels when highway, the vibration wave signal produced by road surface, this signal is obtained by vibration wave detecting unit sensor, and be supplied to the processing unit of electrical connection, processing unit is by carrying out filter analysis to vibration wave signal, extract the frequency signal in vibration wave with same frequency feature, and obtain the vibration wave Doppler signal of this same frequency feature, express-road vehicle running speed is calculated according to the frequency displacement of vibration wave Doppler signal, determine whether it is drive over the speed limit according to speed, as hypervelocity then carries out the vibration wave information trace of vehicle generation.
Described processing unit involving vibrations ripple spectral analysis unit and data processor, vibration wave spectral analysis unit is connected with vibration wave detecting unit sensor electrical, vibration wave detecting unit sensor receives the vibration wave signal that highway transmits, data processor is to amplifying and frequency spectrum processing, vibration wave spectral analysis unit is electrically connected with data processor, the vibration wave trace information of same frequency feature is provided to data processor, when the velocity information that the vibration wave trace information of same frequency feature provides have be greater than overspeed of vehicle value time, start the video camera be electrically connected with data processor, carry out by section acquisition over-speed vehicles information of taking pictures at associated vehicle by video camera, the memory simultaneously controlling to be electrically connected with data processor carries out the storage of vibration wave trace information.
Described memory stores the database having the different automobile types of foundation in highway driving friction speed simultaneously, data processor is by contrasting the database information of the highway vibration wave signal detected in real time and storage, to determine over-speed vehicles information further.
Described data processor adopts the core chip of ARM company of Britain as CPU.
Described vibration wave spectral analysis unit comprises small signals amplification testing circuit and filtering circuit, small signals amplification testing circuit is connected with vibration wave detecting unit sensor electrical, receive vibration wave detecting unit sensor vibration ripple signal, by small signals amplification testing circuit, signal is amplified again after filtering circuit process, deliver to data processor.
Described vibration wave spectral analysis unit or existing small signals amplification detecting device and ripple spectrum analyzer are formed, small signals amplification detecting device and ripple spectrum analyzer are electrically connected by USB interface, small signals amplification detecting device is connected with vibration wave detecting unit sensor electrical, receive vibration wave detecting unit sensor vibration ripple signal, after process being amplified to signal by small signals amplification detecting device, deliver to vibration wave spectrum analyzer input end, carrying out spectrum analysis by vibration wave spectrum analyzer, data-signal is being sent into data processor and processes further.
Advantage of the present invention is: because the present invention is by the sensor at express highway roadbed layer internal fixtion vibration wave detecting unit, by detecting the vibration wave signal produced by road surface in express-road vehicle running, signal carries out amplifying and frequency spectrum processing, the vibration wave trace information of same frequency feature is provided to data processor, when the velocity information that the vibration wave trace information of same frequency feature provides have be greater than hypervelocity value time, start video camera being undertaken by section taking pictures and obtain over-speed vehicles information.This method has detecting distance feature far away, locates by technical method determination overspeed of vehicle on highway.
Accompanying drawing explanation
Below in conjunction with embodiment accompanying drawing, the invention will be further described:
Fig. 1 is example structure schematic diagram;
Fig. 2 is embodiment processing unit circuit theory diagrams;
Fig. 3 is the first embodiment of vibration wave spectral analysis unit;
Fig. 4 is vibration wave spectral analysis unit the second embodiment.
In figure, 1, processing unit; 2, vibration wave detecting unit sensor; 3, small signals amplification testing circuit; 4, data processor; 5, express highway roadbed; 6, video camera; 7, memory; 8, vibration wave spectral analysis unit; 9, vehicle; 10, display; 11, filtering circuit; 12, small signals amplification detecting device; 13, ripple spectrum analyzer; 14, USB interface.
Embodiment
Put example 1 in fact
As shown in Figure 1, a kind of overspeed of vehicle on highway detection method based on vibration wave Doppler, at express highway roadbed 5 fixing vibration wave detecting unit sensors 2, vibration wave detecting unit sensor 2 is electrically connected with processing unit 1, vehicle 9 travels when highway, the vibration wave signal produced by road surface, this signal is obtained by vibration wave detecting unit sensor 2, and be supplied to the processing unit 1 of electrical connection, processing unit 1 is by carrying out filter analysis to vibration wave signal, extract the frequency signal in vibration wave with same frequency feature, and obtain the vibration wave Doppler signal of this same frequency feature, express-road vehicle running speed is calculated according to the frequency displacement of vibration wave Doppler signal, determine whether it is drive over the speed limit according to speed, as hypervelocity then carries out the vibration wave information trace of vehicle generation.
As shown in Figure 2, described processing unit 1 involving vibrations ripple spectral analysis unit 8 and data processor 4, data processor 4 adopts Britain ARM(Advanced RISC Machines) core chip of company is as CPU, vibration wave spectral analysis unit 8 is electrically connected with vibration wave detecting unit sensor 2 and receives vibration wave detecting unit sensor 2 vibration wave signal, the vibration wave that highway transmits (mainly compressional wave) signal is amplified and frequency spectrum processing, vibration wave spectral analysis unit 8 is electrically connected with data processor 4, the vibration wave trace information of same frequency feature is provided to data processor 4, when the velocity information that the vibration wave trace information of same frequency feature provides have be greater than overspeed of vehicle value time, start the video camera 6 be electrically connected with data processor 4, carry out by section acquisition over-speed vehicles information of taking pictures at associated vehicle by video camera 6, the memory 7 simultaneously controlling to be electrically connected with data processor 4 carries out the storage of vibration wave trace information.
Memory 7 stores simultaneously has the different automobile types of foundation at the database of highway driving friction speed, data processor 4 is by contrasting the database information of the highway vibration wave signal detected in real time and storage, to determine over-speed vehicles information further.
As shown in Figure 3, vibration wave spectral analysis unit 8 comprises small signals amplification testing circuit 3 and filtering circuit 11, small signals amplification testing circuit is electrically connected with vibration wave detecting unit sensor 2, receive vibration wave detecting unit sensor 2 vibration wave signal, by small signals amplification testing circuit, signal is amplified again after filtering circuit process, deliver to data processor 4.
As shown in Figure 4, vibration wave spectral analysis unit 8 or existing small signals amplification detecting device 12 and ripple spectrum analyzer 13 are formed, small signals amplification detecting device and ripple spectrum analyzer are electrically connected by usb 14, small signals amplification detecting device is electrically connected with vibration wave detecting unit sensor 2, receive vibration wave detecting unit sensor 2 vibration wave signal, after process being amplified to signal by small signals amplification detecting device, deliver to vibration wave spectrum analyzer input end, spectrum analysis is being carried out by vibration wave spectrum analyzer, data-signal is sent into data processor 4 to process further.
The parts that the present embodiment does not describe in detail and structure and circuit belong to the well-known components of the industry and common structure or conventional means, do not describe one by one here.
Claims (6)
1. based on a vibration wave Doppler's overspeed of vehicle on highway detection method, it is characterized in that: at express highway roadbed fixing vibration wave detecting unit sensor, vibration wave detecting unit sensor is electrically connected with processing unit; Vehicle travels when highway, the vibration wave signal produced by road surface, this signal is obtained by vibration wave detecting unit sensor, and be supplied to the processing unit of electrical connection, processing unit is by carrying out filter analysis to vibration wave signal, extract the frequency signal in vibration wave with same frequency feature, and obtain the vibration wave Doppler signal of this same frequency feature, express-road vehicle running speed is calculated according to the frequency displacement of vibration wave Doppler signal, determine whether it is drive over the speed limit according to speed, as hypervelocity then carries out the vibration wave information trace of vehicle generation.
2. a kind of overspeed of vehicle on highway detection method based on vibration wave Doppler according to claim 1, it is characterized in that: described processing unit involving vibrations ripple spectral analysis unit and data processor, vibration wave spectral analysis unit is connected with vibration wave detecting unit sensor electrical, vibration wave detecting unit sensor receives the vibration wave signal that highway transmits, data processor is to amplifying and frequency spectrum processing, vibration wave spectral analysis unit is electrically connected with data processor, the vibration wave trace information of same frequency feature is provided to data processor, when the velocity information that the vibration wave trace information of same frequency feature provides have be greater than overspeed of vehicle value time, start the video camera be electrically connected with data processor, carry out by section acquisition over-speed vehicles information of taking pictures at associated vehicle by video camera, the memory simultaneously controlling to be electrically connected with data processor carries out the storage of vibration wave trace information.
3. a kind of overspeed of vehicle on highway detection method based on vibration wave Doppler according to claim 2, it is characterized in that: described memory stores the database having the different automobile types of foundation in highway driving friction speed simultaneously, data processor is by contrasting the database information of the highway vibration wave signal detected in real time and storage, to determine over-speed vehicles information further.
4. a kind of overspeed of vehicle on highway detection method based on vibration wave Doppler according to claim 2, is characterized in that: described data processor adopts the core chip of ARM company of Britain as CPU.
5. a kind of overspeed of vehicle on highway detection method based on vibration wave Doppler according to claim 2, it is characterized in that: described vibration wave spectral analysis unit comprises small signals amplification testing circuit and filtering circuit, small signals amplification testing circuit is connected with vibration wave detecting unit sensor electrical, receive vibration wave detecting unit sensor vibration ripple signal, by small signals amplification testing circuit, signal is amplified again after filtering circuit process, deliver to data processor.
6. a kind of overspeed of vehicle on highway detection method based on vibration wave Doppler according to claim 2, it is characterized in that: described vibration wave spectral analysis unit or existing small signals amplification detecting device and ripple spectrum analyzer are formed, small signals amplification detecting device and ripple spectrum analyzer are electrically connected by USB interface, small signals amplification detecting device is connected with vibration wave detecting unit sensor electrical, receive vibration wave detecting unit sensor vibration ripple signal, after process being amplified to signal by small signals amplification detecting device, deliver to vibration wave spectrum analyzer input end, spectrum analysis is being carried out by vibration wave spectrum analyzer, data-signal is sent into data processor process further.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510165232.7A CN104794905B (en) | 2015-04-09 | 2015-04-09 | A kind of overspeed of vehicle on highway detection method based on vibration wave Doppler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510165232.7A CN104794905B (en) | 2015-04-09 | 2015-04-09 | A kind of overspeed of vehicle on highway detection method based on vibration wave Doppler |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104794905A true CN104794905A (en) | 2015-07-22 |
CN104794905B CN104794905B (en) | 2017-06-06 |
Family
ID=53559675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510165232.7A Expired - Fee Related CN104794905B (en) | 2015-04-09 | 2015-04-09 | A kind of overspeed of vehicle on highway detection method based on vibration wave Doppler |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104794905B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108919243A (en) * | 2018-04-04 | 2018-11-30 | 儒安科技有限公司 | Vehicle space location information cognitive method based on sound Doppler effect |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7071841B2 (en) * | 2004-08-19 | 2006-07-04 | Ut-Battelle, Llc | Truck acoustic data analyzer system |
CN101783072A (en) * | 2009-12-23 | 2010-07-21 | 中国科学院自动化研究所 | Variable speed-limit system and method for recording vehicle overspeed violation |
US20140002808A1 (en) * | 2009-07-28 | 2014-01-02 | Applied Concepts, Inc. | Lidar Measurement Device for Vehicular Traffic Surveillance and Method for Use of Same |
CN103745601A (en) * | 2014-01-08 | 2014-04-23 | 西安电子科技大学 | Speeding vehicle lane detection method |
CN103760536A (en) * | 2014-01-23 | 2014-04-30 | 林仲扬 | On-site test method for radar speed detector |
CN104103175A (en) * | 2014-06-23 | 2014-10-15 | 无锡市崇安区科技创业服务中心 | Highway speeding capture system |
-
2015
- 2015-04-09 CN CN201510165232.7A patent/CN104794905B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7071841B2 (en) * | 2004-08-19 | 2006-07-04 | Ut-Battelle, Llc | Truck acoustic data analyzer system |
US20140002808A1 (en) * | 2009-07-28 | 2014-01-02 | Applied Concepts, Inc. | Lidar Measurement Device for Vehicular Traffic Surveillance and Method for Use of Same |
CN101783072A (en) * | 2009-12-23 | 2010-07-21 | 中国科学院自动化研究所 | Variable speed-limit system and method for recording vehicle overspeed violation |
CN103745601A (en) * | 2014-01-08 | 2014-04-23 | 西安电子科技大学 | Speeding vehicle lane detection method |
CN103760536A (en) * | 2014-01-23 | 2014-04-30 | 林仲扬 | On-site test method for radar speed detector |
CN104103175A (en) * | 2014-06-23 | 2014-10-15 | 无锡市崇安区科技创业服务中心 | Highway speeding capture system |
Non-Patent Citations (2)
Title |
---|
张涛等: "一种小型智能地面防御系统", 《火炮发射与控制学报》 * |
黄正荣: "基于振动波的高速公路车辆行驶状态辨识理论研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108919243A (en) * | 2018-04-04 | 2018-11-30 | 儒安科技有限公司 | Vehicle space location information cognitive method based on sound Doppler effect |
CN108919243B (en) * | 2018-04-04 | 2022-03-08 | 儒安物联科技集团有限公司 | Vehicle space position information sensing method based on sound Doppler effect |
Also Published As
Publication number | Publication date |
---|---|
CN104794905B (en) | 2017-06-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107256635B (en) | Vehicle identification method based on distributed optical fiber sensing in intelligent traffic | |
CN103400500B (en) | Vehicle information data acquisition device and method | |
CN102663352B (en) | Track identification method | |
CN105549023A (en) | Object detecting apparatus, and method of operating the same | |
CN106448189A (en) | Multilane speed measuring and block port triggering method and device based on microwaves | |
CN109444872B (en) | Pedestrian and vehicle distinguishing method and device, computer equipment and storage medium | |
CN111724599A (en) | Method, device, equipment and medium for acquiring safe driving behavior evaluation data | |
CN106530746A (en) | Vehicle speed detection apparatus and detection method based on video technology | |
CN102034357A (en) | Vehicle monitoring device as well as device, system and method for detecting regulation-violating vehicles | |
CN101383097A (en) | Micro ground buried coil type fixing traffic flow investigation apparatus | |
CN103456178A (en) | Road vehicle speed measuring system | |
CN108344504A (en) | Noise detection system and analysis method in 8 road car of one kind | |
CN113903180B (en) | Method and system for detecting vehicle overspeed on expressway | |
Al-Shargabi et al. | A novel approach for the detection of road speed bumps using accelerometer sensor | |
CN108349495A (en) | control method, control device and control system | |
CN104794905A (en) | Express way vehicle overspeed detection method based on vibration wave Doppler signal | |
CN204695559U (en) | A kind of overspeed of vehicle on highway pick-up unit based on vibration wave Doppler | |
CN110514861B (en) | High-speed rail running speed estimation method utilizing amplitude spectrum autocorrelation | |
CN104794904A (en) | Principal-vibration wave expressway vehicle overspeed detection method with location function | |
CN104442756A (en) | Automatic warning system and method for vehicles | |
CN204695558U (en) | One has station-keeping ability principal oscillation ripple vehicle on highway overspeed testing apparatus | |
US20120253648A1 (en) | Apparatus and method for generating traffic information | |
CN203242173U (en) | Speed detection system of road vehicles | |
KR100378956B1 (en) | Acoustical Vehicle Detection System | |
CN208140250U (en) | Noise detection system in 8 road car of one kind |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
EXSB | Decision made by sipo to initiate substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170606 Termination date: 20190409 |
|
CF01 | Termination of patent right due to non-payment of annual fee |