CN104299421B - A kind of volume of traffic acquisition system based on geomagnetic sensor and method - Google Patents
A kind of volume of traffic acquisition system based on geomagnetic sensor and method Download PDFInfo
- Publication number
- CN104299421B CN104299421B CN201410588904.0A CN201410588904A CN104299421B CN 104299421 B CN104299421 B CN 104299421B CN 201410588904 A CN201410588904 A CN 201410588904A CN 104299421 B CN104299421 B CN 104299421B
- Authority
- CN
- China
- Prior art keywords
- traffic
- base station
- volume
- geomagnetic sensor
- acquisition
- 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.)
- Active
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
- G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/065—Traffic control systems for road vehicles by counting the vehicles in a section of the road or in a parking area, i.e. comparing incoming count with outgoing count
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a kind of volume of traffic acquisition system based on geomagnetic sensor and method, system includes geomagnetic sensor, acquisition controlling base station and guidance information distribution platform；Geomagnetic sensor mainly includes earth magnetic sensor, microcontroller and wireless data transfer module；Acquisition controlling base station includes wireless communication module, base station MCU, 3G router and power module；Described traffic guidance platform includes data acquisition unit, data analysis unit and induction release unit；Geomagnetic sensor is embedded in below the road surface of traffic intersection.The method of the present invention can measure traffic data by detection magnetic field of the earth data, well solves not enough and that accurately induction cannot be the really real-time in real time defect that existing Floating Car and photographic head gather as the volume of traffic.
Description
Technical field
The invention belongs to vehicle detection technical field, relate to a kind of by earth magnetic sensor perception, real time intelligent control road Traffic Volume, optimizes transit time, prevents crossing from blocking, and relevant information reports command centre and issues real-time traffic guidance and lead the system and method for information.
Background technology
Along with the raising of expanding economy and living standards of the people, automobile increasingly near-earth walks close to the life of people, and the importance carrying out with it the intelligent transportation such as wagon flow intellectual inducing strengthens day by day.Current traffic guidance often adopts Floating Car, images the data of first-class collection, and data sampling is unreasonable, and acquisition cost is high, there is large stretch of blind spot, is unfavorable for regulation and control and the induction of overall traffic.
Summary of the invention
It is an object of the invention to provide a kind of volume of traffic acquisition system based on geomagnetic sensor and method, and based on the method control signal lamp and issuing traffic induction information, for solving not enough and that accurately induction cannot be the really real-time in real time defect that existing Floating Car and photographic head gather as the volume of traffic.
The system of the present invention be the technical scheme is that a kind of volume of traffic acquisition system based on geomagnetic sensor, it is characterised in that: include geomagnetic sensor, acquisition controlling base station and guidance information distribution platform；Described geomagnetic sensor mainly includes earth magnetic sensor, microcontroller and wireless data transfer module, the communications interface unit of earth magnetic sensor connects the communication interface input of microcontroller, the communication interface outfan of microcontroller connects the input of wireless data transfer module, wireless data transfer module and acquisition controlling base station radio and connects；Described acquisition controlling base station includes wireless communication module, base station MCU, 3G router and power module, the wireless data transfer module wireless connections of described wireless communication module and described geomagnetic sensor, described wireless communication module is connected with described base station MCU by URAT serial ports, described base station MCU is connected with described 3G router by GPIO serial ports, described power module is connected with described wireless communication module, base station MCU, 3G router respectively by wire, for providing electric power for described wireless communication module, base station MCU, 3G router；Described traffic guidance platform includes data acquisition unit, data analysis unit and induction release unit；Described geomagnetic sensor is embedded in below the road surface of traffic intersection.
As preferably, described wireless communication module is 433MHZ wireless communication module.
As preferably, described volume of traffic acquisition system is also configured with server, and described server is by wirelessly or non-wirelessly network and described 3G router communication.
As preferably, described geomagnetic sensor is embedded under traffic intersection road surface, and for the track of normal width, a track is longitudinally arranged two geomagnetic sensors along direction, track, and two sensors are at a distance of 4 meters.
The volume of traffic acquisition method of the present invention be the technical scheme is that a kind of volume of traffic acquisition method based on geomagnetic sensor, it is characterised in that carries out volume of traffic collection by following two method:
Method 1: each geomagnetic sensor reports, according to the time preset, the situation of taking, the timing of each geomagnetic sensor report time of the situation of taking be this phase place green light be cut to red light, red light light after 5s；Judging whether a upper green time terminates vehicle clearance whereby, acquisition controlling base station judges the volume of traffic at crossing by calculating the number of times reporting occupied information continuously；According to the different volume of traffic, dynamic and intelligent issues section congestion status face to face；
According to occupancy, method 2: by timing sampling, in a predetermined period, calculates whether a upper green time terminates vehicle clearance, acquisition controlling base station judges the volume of traffic at crossing by calculating the number of times reporting occupied information continuously；According to the different volume of traffic, dynamic and intelligent issues section congestion status face to face.
As preferably, described occupancy computing formula is: occupancy=take number of times/total sampling number；Then being judged as that this time takies as sampling number/total sampling number-adjusted value N in occupancy >=red time, acquisition controlling base station judges the volume of traffic at crossing by calculating the number of times reporting occupied information continuously.
The intelligent traffic guidance method of the present invention be the technical scheme is that to bury geomagnetic sensor underground in the exit of each phase place, when having detected that vehicle stops or travelling extremely slowly, this phase place is cut to red light, forbid that this phase place continues to have car to sail into, be cut to properly functioning until this phase place exit vehicle travels traffic lights after normal nothing stops.
The method that a kind of intelligent transportation amount based on geomagnetic sensor provided by the invention gathers, well solves not enough and that accurately induction cannot be the really real-time in real time defect that existing Floating Car and photographic head gather as the volume of traffic.
Accompanying drawing explanation
Fig. 1: for the acquisition controlling architecture of base station figure of the embodiment of the present invention.
Fig. 2: the system for the embodiment of the present invention buries schematic diagram underground.
Fig. 3: for the method flow diagram of the present invention.
Fig. 4: the method first embodiment for the present invention realizes figure.
Fig. 5: method the second embodiment for the present invention realizes figure.
Detailed description of the invention
Understand for the ease of those of ordinary skill in the art and implement the present invention, below in conjunction with drawings and Examples, the present invention is described in further detail, should be appreciated that enforcement example described herein is merely to illustrate and explains the present invention, be not intended to limit the present invention.
Asking for an interview Fig. 1, Fig. 2, the scheme that the system of the present invention adopts is: a kind of volume of traffic acquisition system based on geomagnetic sensor, including geomagnetic sensor, acquisition controlling base station, guidance information distribution platform and server；Geomagnetic sensor mainly includes earth magnetic sensor, microcontroller and wireless data transfer module, the communications interface unit of earth magnetic sensor connects the communication interface input of microcontroller, the communication interface outfan of microcontroller connects the input of wireless data transfer module, wireless data transfer module and acquisition controlling base station radio and connects；Acquisition controlling base station includes 433MHZ wireless communication module, base station MCU, 3G router and power module, the wireless data transfer module wireless connections of 433MHZ wireless communication module and geomagnetic sensor, wireless communication module is connected with base station MCU by URAT serial ports, base station MCU is connected with 3G router by GPIO serial ports, power module is connected with 433MHZ wireless communication module, base station MCU, 3G router respectively by wire, for providing electric power for 433MHZ wireless communication module, base station MCU, 3G router；Traffic guidance platform includes data acquisition unit, data analysis unit and induction release unit；Geomagnetic sensor is embedded in below the road surface of traffic intersection, and for the track of normal width, a track is longitudinally arranged two geomagnetic sensors along direction, track, and two sensors are at a distance of 4 meters；Server is by wirelessly or non-wirelessly network and 3G router communication.
Asking for an interview Fig. 3, Fig. 4 and Fig. 5, the method for the present invention be the technical scheme is that a kind of volume of traffic acquisition method based on geomagnetic sensor, carries out volume of traffic collection by following two method:
Method 1: each geomagnetic sensor reports, according to the time preset, the situation of taking, the timing of each geomagnetic sensor report time of the situation of taking be this phase place green light be cut to red light, red light light after 5s；Judging whether a upper green time terminates vehicle clearance whereby, acquisition controlling base station judges the volume of traffic at crossing by calculating the number of times reporting occupied information continuously；According to the different volume of traffic, dynamic and intelligent issues section congestion status face to face；
According to occupancy, method 2: by timing sampling, in a predetermined period, calculates whether a upper green time terminates vehicle clearance, acquisition controlling base station judges the volume of traffic at crossing by calculating the number of times reporting occupied information continuously；According to the different volume of traffic, dynamic and intelligent issues section congestion status face to face.
Wherein occupancy computing formula is: occupancy=take number of times/total sampling number；Then being judged as that this time takies as sampling number/total sampling number-adjusted value N in occupancy >=red time, acquisition controlling base station judges the volume of traffic at crossing by calculating the number of times reporting occupied information continuously.
Utilize a kind of method carrying out intelligent transportation induction based on the volume of traffic acquisition system of geomagnetic sensor of the present embodiment: bury geomagnetic sensor underground in the exit of each phase place, when having detected that vehicle stops or travelling extremely slowly, this phase place is cut to red light, forbid that this phase place continues to have car to sail into, be cut to properly functioning until this phase place exit vehicle travels traffic lights after normal nothing stops.
Although this specification more employs the terms such as geomagnetic sensor, acquisition controlling base station, server, earth magnetic sensor, microcontroller, wireless data transfer module, 433MHZ wireless communication module, base station MCU, 3G router, guidance information distribution platform and power module, but is not precluded from using the probability of other terms.Using these terms to be only used to describe more easily the essence of the present invention, it is all contrary with spirit of the present invention for being construed as any additional restriction.
It should be appreciated that the part that this specification does not elaborate belongs to prior art.
Should be understood that; the above-mentioned description for preferred embodiment is comparatively detailed; therefore the restriction to scope of patent protection of the present invention can not be thought; those of ordinary skill in the art is under the enlightenment of the present invention; under the ambit protected without departing from the claims in the present invention; can also making replacement or deformation, each fall within protection scope of the present invention, the scope that is claimed of the present invention should be as the criterion with claims.
Claims (5)
1. the method carrying out volume of traffic collection based on the volume of traffic acquisition system of geomagnetic sensor, described volume of traffic acquisition system includes geomagnetic sensor, acquisition controlling base station and guidance information distribution platform；Described geomagnetic sensor mainly includes earth magnetic sensor, microcontroller and wireless data transfer module, the communications interface unit of earth magnetic sensor connects the communication interface input of microcontroller, the communication interface outfan of microcontroller connects the input of wireless data transfer module, wireless data transfer module and acquisition controlling base station radio and connects；Described acquisition controlling base station includes wireless communication module, base station MCU, 3G router and power module, the wireless data transfer module wireless connections of described wireless communication module and described geomagnetic sensor, described wireless communication module is connected with described base station MCU by URAT serial ports, described base station MCU is connected with described 3G router by GPIO serial ports, described power module is connected with described wireless communication module, base station MCU, 3G router respectively by wire, for providing electric power for described wireless communication module, base station MCU, 3G router；Described traffic guidance platform includes data acquisition unit, data analysis unit and induction release unit；Described geomagnetic sensor is embedded in below the road surface of traffic intersection；
It is characterized in that, carry out volume of traffic collection by one of following two method:
Method 1: each geomagnetic sensor reports, according to the time preset, the situation of taking, the timing of each geomagnetic sensor report time of the situation of taking be this phase place green light be cut to red light and red light light after 5s；Judging whether a upper green time terminates vehicle clearance whereby, acquisition controlling base station judges the volume of traffic at crossing by calculating the number of times reporting occupied information continuously；According to the different volume of traffic, dynamic and intelligent issues roadway congestion state；
According to occupancy, method 2: by timing sampling, in a predetermined period, calculates whether a upper green time terminates vehicle clearance, acquisition controlling base station judges the volume of traffic at crossing by calculating the number of times reporting occupied information continuously；According to the different volume of traffic, dynamic and intelligent issues roadway congestion state.
2. method according to claim 1, it is characterised in that: described wireless communication module is 433MHZ wireless communication module.
3. method according to claim 1, it is characterised in that: described volume of traffic acquisition system is also configured with server, and described server is by wirelessly or non-wirelessly network and described 3G router communication.
4. method according to claim 1, it is characterised in that: described geomagnetic sensor is embedded under traffic intersection road surface, and for the track of normal width, a track is longitudinally arranged two geomagnetic sensors along direction, track, and two sensors are at a distance of 4 meters.
5. method according to claim 1, it is characterised in that: described occupancy computing formula is: occupancy=take number of times/total sampling number；Then being judged as that this time takies as sampling number/total sampling number-adjusted value N in occupancy >=red time, acquisition controlling base station judges the volume of traffic at crossing by calculating the number of times reporting occupied information continuously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410588904.0A CN104299421B (en) | 2014-10-29 | 2014-10-29 | A kind of volume of traffic acquisition system based on geomagnetic sensor and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410588904.0A CN104299421B (en) | 2014-10-29 | 2014-10-29 | A kind of volume of traffic acquisition system based on geomagnetic sensor and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104299421A CN104299421A (en) | 2015-01-21 |
| CN104299421B true CN104299421B (en) | 2016-06-29 |
Family
ID=52319132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410588904.0A Active CN104299421B (en) | 2014-10-29 | 2014-10-29 | A kind of volume of traffic acquisition system based on geomagnetic sensor and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104299421B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104766482A (en) * | 2015-01-29 | 2015-07-08 | 华南理工大学 | Traffic state detection method and device based on earth magnetic field induction |
| CN105118297A (en) * | 2015-08-19 | 2015-12-02 | 中国科学院上海微***与信息技术研究所 | System and method for detecting and identifying type of vehicle |
| CN105225497B (en) * | 2015-10-27 | 2018-11-16 | 中兴智能交通股份有限公司 | Road congestion conditions calculation method based on ground magnetic machine |
| CN111681428B (en) * | 2020-06-05 | 2023-03-28 | 阿波罗智联(北京)科技有限公司 | Overflow detection method and device, electronic equipment and storage medium |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103905096B (en) * | 2014-04-23 | 2016-03-02 | 武汉恒达智慧城市交通研发有限公司 | A kind of method that geomagnetic sensor is arranged |
| CN103903446A (en) * | 2014-04-23 | 2014-07-02 | 武汉恒达智慧城市交通研发有限公司 | Traffic crossroad or road section video snap-shooting system and method |
| CN104008658A (en) * | 2014-06-12 | 2014-08-27 | 武汉恒达智慧城市交通研发有限公司 | Real-time intelligent traffic signal lamp control system and method based on geomagnetic sensors |
-
2014
- 2014-10-29 CN CN201410588904.0A patent/CN104299421B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104299421A (en) | 2015-01-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104064042B (en) | Intelligent traffic management method and intelligent traffic management system supporting emergency rescue | |
| US20190322367A1 (en) | Method of controlling an unmanned aerial road side unit drone | |
| CN104299421B (en) | A kind of volume of traffic acquisition system based on geomagnetic sensor and method | |
| CN110299954A (en) | Alleviate the channel congestion in inter-vehicular communication | |
| CN102157071A (en) | Intelligent traffic management system and control method based on inter-vehicle network | |
| Zhang et al. | Virtual traffic lights: System design and implementation | |
| CN202003509U (en) | Intelligent traffic management system based on inter-vehicle network | |
| CN108922194A (en) | A kind of dynamic controllable intelligent traffic information prompting system based on big data | |
| CN105225505A (en) | crossing bus signal priority control system | |
| CN105118313A (en) | Intelligent urban traffic dispersion system | |
| CN204856902U (en) | Traffic light control system prevents blocking up | |
| Młyńczak | Analysis of intelligent transport systems (ITS) in public transport of upper Silesia | |
| WO2021036907A1 (en) | Train control system and train control method | |
| CN103871257A (en) | Intelligent traffic control realization method and intelligent traffic control system | |
| CN108074406A (en) | A kind of signal control method and system | |
| CN108573607A (en) | A kind of traffic light control system and method | |
| CN104504899A (en) | Intelligent traffic management system and implementation method thereof | |
| CN107767677A (en) | Tramcar crossing safety zone control device based on mobile unit | |
| CN108417068A (en) | Active-mode intelligent Traffic flow guidance method | |
| CN204596157U (en) | A kind of intelligent traffic light based on infrared sensor | |
| CN201845440U (en) | Traffic command system | |
| Song et al. | Evaluation of GPS-based transit signal priority for mixed-traffic bus rapid transit | |
| CN103793985B (en) | Based on the lift portal frame autocontrol method of geomagnetism detecting | |
| CN106781557B (en) | Pedestrian crossing time compensation system and method for signal control road section | |
| CN104008658A (en) | Real-time intelligent traffic signal lamp control system and method based on geomagnetic sensors |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430040 floor 11, Fortune Building, No. 18, Jinyinhu Road, Dongxihu District, Wuhan City, Hubei Province Patentee after: WUHAN HENGDA INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 430040 floor 11, Fortune Building, No. 18, Jinyinhu Road, Dongxihu District, Wuhan City, Hubei Province Patentee before: WUHAN HEADER ITS RESEARCH DEVELOPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |