CN103295400A - Device for accurately judging driving route of vehicle at interchange intersection - Google Patents
Device for accurately judging driving route of vehicle at interchange intersection Download PDFInfo
- Publication number
- CN103295400A CN103295400A CN2013102424901A CN201310242490A CN103295400A CN 103295400 A CN103295400 A CN 103295400A CN 2013102424901 A CN2013102424901 A CN 2013102424901A CN 201310242490 A CN201310242490 A CN 201310242490A CN 103295400 A CN103295400 A CN 103295400A
- Authority
- CN
- China
- Prior art keywords
- vehicle
- magnetic
- driving route
- road
- roads
- 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.)
- Pending
Links
Images
Landscapes
- Traffic Control Systems (AREA)
- Navigation (AREA)
Abstract
The invention relates to a device for accurately judging a driving route of a vehicle at an interchange intersection. A traditional technology has poor real time and poor accuracy and cannot correctly judge road conditions of vehicle driving. The device for accurately judging the driving route of the vehicle at the interchange intersection comprises a vehicle-mounted magnetic sensing system and magnetic detection lines laid on roads, and achieves the accurate judgment of the driving route of the vehicle by utilizing the vehicle-mounted magnetic sensing system to detect magnetic signals produced by the magnetic detection lines on the roads. The magnetic sensing system is composed of a magnetoresistive sensor, a signal conditioning circuit and a MCU (Microcontroller Unit) system. The magnetic detection lines laid on the roads are formed by implanting rigid magnets into road surfaces to be arranged into a line, and magnetic detection lines of different numbers are laid at the interchange intersection to distinguish different roads. The device for accurately judging the driving route of the vehicle at the interchange intersection can be used as an auxiliary positioning technology of a GPS (Global Position System) navigation technology and has significant application values to aspects of accurate positioning of the driving route and the position of a vehicle under complex road conditions such as interchanges, three-dimensional parking lots and multi-ramp intersections.
Description
Technical field
The present invention relates to a kind of flyover crossing and accurately judge the device of route or travel by vehicle.
Background technology
Intelligent transportation system (ITS) refers on comparatively perfect traffic infrastructure, infotech, data communication transmission, electronic sensor technology, electron controls technology and Computer Processing technology etc. with the advanced person, effective integration applies to face traffic control system entirely, improve the operational efficiency of traffic system, reduce traffic hazard, reduce environmental pollution, thereby set up efficient, convenient, safety, environmental protection and comfortable overall transportation system.And Vehicular navigation system also is the important component part of intelligent transportation system (ITS).
Needs along with development and the traffic of road construction, the rapid increase of urban population makes vehicle increasing, the road junction of crossing on the same level is caused vehicle to stop up and is crowded, large quantities of viaducts have been built on the traffic main artery of many big and medium-sized cities and the highway, the method of separating with the space is eliminated the conflict of road two dimension cross traffic, makes the through vehicles of two or many intersecting roadss unblocked.The connection of urban ring road and freeway net also must shunt and guide by large-scale interchange viaduct, guarantees the unimpeded of traffic, and urban interchange has become the important symbol of modern city.Because the widespread use of viaduct, the map match of handling the viaduct highway section in Vehicular navigation system effectively also just becomes very important.
At the viaduct place, road is comparatively intensive, and road structure is more complicated also, and bridge and ring road are parallel up and down, and this moment the GPS receiver environment also relatively poor, real-time is bad and accuracy is not high, can not correctly judge the road that vehicle travels.Might not be inconsistent with real road, produce wrong direction indication.
Summary of the invention
For overcoming the defective of simple employing GPS navigation location technology, the invention provides a kind of for the device of accurately judging route or travel by vehicle at flyover crossing,
The technical scheme that the present invention takes is:
The present invention includes the magnetic detecting line of laying on vehicle-mounted magnetosensitive sensor-based system and the road, survey magnetic signal that the magnetic detecting line on the road produces by vehicle-mounted magnetosensitive sensor-based system and realize accurate judgement to route or travel by vehicle.
The magnetosensitive sensor-based system is made up of magnetoresistive transducer, signal conditioning circuit and MCU system.
The magnetic detecting line of laying on the road is implanted the road surface by rigid magnet and is lined up a line and forms, by distinguishing different roads at the magnetic detecting line of traffic interchange crotch laying varying number.
Described rigid magnet is magnetic nail or magnetic stripe.
The magnetosensitive sensor-based system is core of the present invention.In the magnetosensitive sensor-based system, the magnetoresistive transducer array is installed in certain position of vehicle as the pick-up unit of magnetic signal, on bumper or chassis, detect the field signal of magnetic detection line, Magnetic Sensor converts magnetic signal to voltage signal, and this voltage signal handled, utilizing the MCU microprocessor that the signal after handling is carried out A/D then gathers, go forward side by side line data Treatment Analysis and judgement, handle to the truck-mounted computer of Vehicular navigation system by relevant bus transfer at last, judge at vehicle place, flyover crossing place accurate location.
The magnetic detecting line is to cooperate the magnetosensitive sensor-based system to realize the necessary component that route or travel by vehicle is judged, is the generation source of magnetic signal.In the vehicle driving process, every through a magnetic detecting line, magnetoresistive transducer just can detect a pulse.In order to realize the location of vehicle place layer, can bury the magnetic detecting line of varying number at the place, gateway of every layer of flyover crossing such as viaduct underground, bury a magnetic line underground as the ground floor gateway; Second layer gateway is buried two magnetic line underground; The 3rd layer of gateway buried three magnetic line underground, by that analogy.Travel by the difference of detected magnetic-pulse signal on the different roads by vehicle, accurately judge the route that travels.
The present invention has overcome and only uses the GPS navigation technology at the applied defect of flyover crossing, realized the accurate judgement to route or travel by vehicle, can be used as a kind of assistant positioning system of GPS navigation technology, realize that under the complicated road conditions of viaduct, sky parking, crossing, multiturn road route or travel by vehicle and position accurately have important use aspect the location and be worth.
Description of drawings
Fig. 1 is the solution of the present invention principle schematic;
Fig. 2 is magnetosensitive sensor-based system composition frame chart of the present invention;
Fig. 3 is that magnetic detecting line of the present invention is settled synoptic diagram.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, the device of route or travel by vehicle being judged at the flyover crossing place of the present invention can be used with GPS locating information unit, board units, wireless monitoring terminal, thereby realizes the accurate location to the vehicle traveling-position.GPS locating information unit is made up of gps satellite and road sign base station, satellite can be system navigation datas such as accurate position, speed and course is provided, road sign base station mark is as a kind of auxiliary positioning means, in the specific region, city, when signal unavailable, and when precision seriously descends, provide accurate positional information that onboard system is carried out error correction.Board units comprises automatic navigator and vehicle-mounted PDA.Navigating instrument is finished the real-time location of vehicle and navigation as the core in this system.Vehicle-mounted PDA accepts the navigation information of navigating instrument as host computer, carries out map match and shows that matching result feeds back navigating instrument again and proofreaies and correct dead reckoning.Wireless monitoring terminal is made up of Surveillance center and personal terminal.Surveillance center receives the relevant information that board units sends, and carries out synthesis display in the numerical map giant-screen, realizes the complete monitoring to vehicle.User terminal can be by real time position and the running status of SMS or software enquiring vehicle.But since in flyover crossing and highway section because ring road is many, the upper strata road is to complicated road environment factors such as blocking of underpass highway, only adopt the GPS navigation technology to judge by accident the travel direction of vehicle and the road number of plies at place.Cooperate the technology of the present invention's invention to address the above problem.
The present invention is used for accurately judging at flyover crossing the implementation method of route or travel by vehicle, combines to realize accurate judgement to route or travel by vehicle by the magnetic detecting line of laying on vehicle-mounted magnetosensitive sensor-based system and the road.As shown in Figure 2, described vehicle-mounted magnetosensitive sensor-based system is made up of magnetoresistive transducer, signal conditioning circuit and MCU system; The magnetic detecting line of laying on the described road can be implanted the road surface by rigid magnet and line up a line and form, and distinguishes different roads by the magnetic detecting line of laying varying number; Described rigid magnet can be Hard Magnetic materials such as magnetic nail, magnetic stripe.As shown in Figure 3, the 1st, 2,3 layer of road that is expressed as the different layers of viaduct respectively, the magnetic mark line is laid on the porch of each layer along the track of vehicle operating, mutually across a certain distance, and the quantity difference of every layer laying magnetic detecting line.Magnetoresistive transducer is installed on the vehicle chassis as the pick-up unit of magnetic signal, detect the field signal of magnetic detecting line, Magnetic Sensor converts magnetic signal to voltage signal, and voltage signal amplified processing, utilize the voltage analog signal after the MCU microprocessor is handled filtering to carry out the A/D collection then, produce voltage digital signal, remove terrestrial magnetic field in the signal according to the noise remove algorithm then, the caused interference of ferrimagnet in alternating electromagnetic interference and the surrounding environment, obtain effective field signal, handle to the truck-mounted computer of Vehicular navigation system by relevant bus transfer, judge the concrete travel of vehicle place viaduct.In the vehicle driving process, every through a magnetic detecting line, magnetoresistive transducer just can detect a characteristic signal, and onboard navigation system just can obtain the concrete road information at place by the number of judging characteristic signal.
The present invention has overcome and has only used the applied defect of GPS navigation technology on viaduct, has realized the judgement to route or travel by vehicle, at aspects such as viaduct, sky parking, crossings, multiturn road broad prospect of application is arranged.
Claims (4)
1. accurately judge the device of route or travel by vehicle at flyover crossing, comprise the magnetic detecting line of laying on vehicle-mounted magnetosensitive sensor-based system and the road, survey magnetic signal that the magnetic detecting line on the road produces by vehicle-mounted magnetosensitive sensor-based system and realize accurate judgement to route or travel by vehicle.
2. device according to claim 1, it is characterized in that: the magnetosensitive sensor-based system is made up of magnetoresistive transducer, signal conditioning circuit and MCU system.
3. device according to claim 1 is characterized in that: the magnetic detecting line of laying on the road is implanted the road surface by rigid magnet and is lined up a line and forms, by distinguishing different roads at the magnetic detecting line of traffic interchange crotch laying varying number.
4. device according to claim 3 is characterized in that: described rigid magnet is magnetic nail or magnetic stripe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102424901A CN103295400A (en) | 2013-06-17 | 2013-06-17 | Device for accurately judging driving route of vehicle at interchange intersection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102424901A CN103295400A (en) | 2013-06-17 | 2013-06-17 | Device for accurately judging driving route of vehicle at interchange intersection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103295400A true CN103295400A (en) | 2013-09-11 |
Family
ID=49096183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102424901A Pending CN103295400A (en) | 2013-06-17 | 2013-06-17 | Device for accurately judging driving route of vehicle at interchange intersection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103295400A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759802A (en) * | 2014-11-21 | 2016-07-13 | 财团法人工业技术研究院 | Automated guided vehicle and control method thereof |
| CN107091998A (en) * | 2016-02-18 | 2017-08-25 | 苏州青飞智能科技有限公司 | A kind of Magnetic Sensor for magnetic navigation unmanned vehicle |
| CN110709906A (en) * | 2017-06-06 | 2020-01-17 | 爱知制钢株式会社 | Marker system and application method |
| CN110741285A (en) * | 2017-06-14 | 2020-01-31 | 爱知制钢株式会社 | Marker detection method and system for vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1909010A (en) * | 2006-08-11 | 2007-02-07 | 武汉理工大学 | Mixed type magnetic track pin location navigation magnetic sensor |
| CN201302763Y (en) * | 2008-11-05 | 2009-09-02 | 交通部公路科学研究所 | Magnetic marker encoding fault-tolerance device |
| CN101866017A (en) * | 2010-06-13 | 2010-10-20 | 交通运输部公路科学研究所 | Magnetic positioning method of traffic vehicle based on displacement cyclic unique code |
| CN202563344U (en) * | 2012-03-27 | 2012-11-28 | 沈阳中兴电力通信有限公司 | Magnetic navigation and routing inspection robot |
| CN103050011A (en) * | 2012-12-15 | 2013-04-17 | 浙江交通职业技术学院 | Driveway information indicating system |
| CN103135548A (en) * | 2012-05-02 | 2013-06-05 | 广州市远能物流自动化设备科技有限公司 | Unmanned carrying trolley and drive control system thereof |
-
2013
- 2013-06-17 CN CN2013102424901A patent/CN103295400A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1909010A (en) * | 2006-08-11 | 2007-02-07 | 武汉理工大学 | Mixed type magnetic track pin location navigation magnetic sensor |
| CN201302763Y (en) * | 2008-11-05 | 2009-09-02 | 交通部公路科学研究所 | Magnetic marker encoding fault-tolerance device |
| CN101866017A (en) * | 2010-06-13 | 2010-10-20 | 交通运输部公路科学研究所 | Magnetic positioning method of traffic vehicle based on displacement cyclic unique code |
| CN202563344U (en) * | 2012-03-27 | 2012-11-28 | 沈阳中兴电力通信有限公司 | Magnetic navigation and routing inspection robot |
| CN103135548A (en) * | 2012-05-02 | 2013-06-05 | 广州市远能物流自动化设备科技有限公司 | Unmanned carrying trolley and drive control system thereof |
| CN103050011A (en) * | 2012-12-15 | 2013-04-17 | 浙江交通职业技术学院 | Driveway information indicating system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759802A (en) * | 2014-11-21 | 2016-07-13 | 财团法人工业技术研究院 | Automated guided vehicle and control method thereof |
| CN107091998A (en) * | 2016-02-18 | 2017-08-25 | 苏州青飞智能科技有限公司 | A kind of Magnetic Sensor for magnetic navigation unmanned vehicle |
| CN110709906A (en) * | 2017-06-06 | 2020-01-17 | 爱知制钢株式会社 | Marker system and application method |
| CN110709906B (en) * | 2017-06-06 | 2022-02-01 | 爱知制钢株式会社 | Marker system and application method |
| CN110741285A (en) * | 2017-06-14 | 2020-01-31 | 爱知制钢株式会社 | Marker detection method and system for vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20210004013A1 (en) | Lane-centric road network model for navigation | |
| JP4435846B2 (en) | Location registration apparatus, location registration method, location registration program, and recording medium | |
| JP4598120B2 (en) | Location registration device, route search device, location registration method, location registration program, and recording medium | |
| JP4568782B2 (en) | Location registration device, navigation device, route search device, location registration method, location registration program, and recording medium | |
| US7734410B2 (en) | Navigation system | |
| EP2443418B1 (en) | Methods and systems for creating digital street network database | |
| CN103256937B (en) | The method of route matching and device | |
| CN103389104B (en) | A kind of three-dimensional air navigation aid synchronous with two dimensional navigation and device thereof | |
| CN101832778B (en) | Navigation device and path searching method | |
| CN104296756B (en) | Run the method and motor vehicle of motor vehicle | |
| CN102829791B (en) | Based on the guider of car-mounted terminal and the method for guidance path correction | |
| JP4435845B2 (en) | Navigation device, position registration method, position registration program, and recording medium | |
| CN101364345A (en) | Real-time dynamic information processing method based on car detecting technique | |
| CN101923772A (en) | Test vehicle driving state detection device of road driving test and detection method thereof | |
| CN101201255A (en) | Vehicle combined navigation system based on intelligent navigation algorithm | |
| CN106500705A (en) | Alignment system and localization method based on lane detection | |
| CN101964144A (en) | Bus lane time division multiplex method for considering dividing section areas | |
| CN104198984A (en) | Urban vehicle navigation positioning method based on road lamp assistant positioning | |
| CN102779411A (en) | Method for automatically acquiring road grade | |
| CN1804552A (en) | Vehicle mounted navigation three-dimensional path display system | |
| CN103295400A (en) | Device for accurately judging driving route of vehicle at interchange intersection | |
| JP4598121B2 (en) | Location registration device, route search device, location registration method, location registration program, and recording medium | |
| CN102945261B (en) | The one-touch target search optimization method of intelligent vehicle-carried information service terminal | |
| CN1837753A (en) | Map-matched automobile navigation method based on multiple information sources | |
| CN110400461A (en) | A kind of road network alteration detection method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130911 |