CN104715628A - Vehicle-mounted real-time road condition method and device based on positional relationship calculation - Google Patents
Vehicle-mounted real-time road condition method and device based on positional relationship calculation Download PDFInfo
- Publication number
- CN104715628A CN104715628A CN201410809050.4A CN201410809050A CN104715628A CN 104715628 A CN104715628 A CN 104715628A CN 201410809050 A CN201410809050 A CN 201410809050A CN 104715628 A CN104715628 A CN 104715628A
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- China
- Prior art keywords
- real
- time
- road
- car owner
- road condition
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
- G08G1/096741—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where the source of the transmitted information selects which information to transmit to each vehicle
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
- G08G1/09675—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where a selection from the received information takes place in the vehicle
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
- G08G1/096791—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is another vehicle
Abstract
A vehicle-mounted real-time road condition method and device based on a positional relationship calculation adopt a combination of GPS real-time location and GPRS network real-time transmission. The precision of the GPS real-time location is higher than that of base station location, a server can obtain a specific road segment where a car owner is, the car owner uploads the speed information to the server, and the speed information of the road segment is obtained, so that the real-time road condition information of the road segment can be obtained. A GPRS network is used, it is guaranteed that equipment is real-time online and maintains a connection state with the server, by means of location, the car owner obtains the road condition information of the road segments to be taken through calculation, and the road condition information is broadcast to the car owner through a voice mode, so that the car owner can obtain the road condition information in real time through the equipment, and the relationship between the road condition information and the car owner is closely linked.
Description
Technical field
The vehicle-mounted real-time road method that position-based relation calculates and device are mainly used in an intelligent vehicle mounted terminal field, for accurately reporting real-time road condition information.
Background technology
In the technical scheme that vehicle road condition is reported, have following several in auditorial scheme: radio, broadcast listening radio station particularly local transit platform is sent by the mode of shortwave, radio has been the standard fitting of automobile now, and car owner can to hear about broadcasting station about half an hour road conditions once by radio.Vehicle radio station, by radio transmission POP, then remaining car owner can pass through vehicle radio station uppick information, and this must be that artificial response could uppick road conditions.
By having in the scheme of vision: mobile phone A PP checks, car owner wants the traffic information understood before driving or in startup procedure by online can the seeing of mobile phone.
Above two kinds of modes all also exist many defects: the first ageing meeting of mode of broadcast is far short of what is expected, and not necessarily car owner wants the road conditions in the section understood; Obtain road conditions by vehicle radio station mode and must be the section that has individual car owner just to understand required for you and this car owner has a mind to tell road conditions; Check that first road conditions use mobile phone can make a big impact to driving safety in driving process by mobile phone A PP mode, and most of APP provides road conditions to be traffic information before 15 minutes, is not very large to the meaning of car owner.
Summary of the invention
A kind of vehicle-mounted real-time road method that position-based relation calculates adopts GPS to locate in real time and GPRS network Real-time Transmission combines.First, the precision that GPS locates in real time, higher than architecture, makes server can obtain in the concrete road segment segment of car owner, and the velocity information of oneself is also uploaded onto the server by car owner on the one hand in addition, just can obtain the velocity information of road segment segment, so just can obtain the real-time road condition information of road segment segment.Secondly, use GPRS network, guarantee equipment real-time online, be in connection status with server always, by the traffic information of road segment segment of location car owner by calculating car owner and will walking, report to car owner by the mode of voice, such car owner just by our equipment real-time obtain traffic information, and this traffic information and the relation of car owner are closely connected.
Described process mainly comprises following step:
A, terminal device obtains the information such as longitude and latitude, speed, deflection in vehicle travel process by GPS module.
B, the information got is passed back to our server end by terminal device by GPRS network.
C, server is through calculating the concrete road information of terminal and judging the information of terminal around.
D, the data obtained by c, calculate traffic information accurately.
E, generates personalized road conditions at server end and reports voice.
F, server end is handed down to terminal device road conditions voice by GPRS, and is reported out by terminal device, and car owner just can know real-time road condition information.
Said process step device has terminal device, server end.Three main modular are had, GPS module, GPRS module, voice broadcast module inside terminal device.
Compared with prior art, technique scheme comprises following innovative point and beneficial effect.
A, adopts GPRS module, makes terminal device can real-time online, ensure that the ageing requirement that road conditions are reported.
B, adopts special terminal device to gather GPS information, instead of by mobile phone terminal, this guarantees the requirement to precision.
C, employing be high in the clouds computation schema, instead of terminal calculate mode, this guarantees the requirement of large-scale calculations and personalization.
Accompanying drawing explanation
Fig. 1 is Software for Design flow process of the present invention, which includes the embedded program of terminal device and the program of server end.
Fig. 2 is structural representation of the present invention, and terminal device is undertaken by mobile network and cloud server alternately.Ensure that the real-time online of terminal device.
Fig. 3 is terminal device overall diagram of the present invention, and can see that maximum bright spot is the external snakelike Mike of terminal device, such car owner can adjust the angle of snakelike Mike, reaches a best position and conveniently speaks.
Fig. 4 is the interior view of terminal device of the present invention, and have the module that three larger inside can seeing, a GPS module, one is GPRS module, also has loudspeaker.
Fig. 5 is the effect plays figure of invention in this year, can see when terminal device reaches certain dense degree, and each equipment offers help to the equipment of surrounding.Embody that I is everybody, all for one.
Embodiment
Enforcement parameter of the present invention: first the precision of gps antenna is 20 meters, can meet the needs that road conditions are reported.Terminal device obtains a gps signal every 5 seconds, terminal device every 30 seconds secondary data synchronous with cloud server.
When a driver is from after a road runs over, the GPS information of oneself can be uploaded to cloud server, cloud server can according to the average velocity of this user on a road, different user through the weighted mean value of the average velocity of same road segment be exactly the traffic information on this road of current time, when having vehicle through out-of-date next time, cloud server can issue verbal announcement to terminal device, and terminal device can report voice.The GPS information of this user can be included in the middle of new calculating data simultaneously, and this just embodies a kind of all for one, thinking that I is everybody.
Through actual test, when terminal device density reach Mei Tiao road has at least one within 15 minutes time, real-time road can be obtained comparatively accurately.
Claims (4)
- A kind of vehicle-mounted real-time road method that position-based relation calculates and device1. position-based relation calculate vehicle-mounted real-time road method and a device, comprise the calculation type road conditions of position-based relation, vehicle-mounted real-time road broadcast device and online computation model.
- 2. the calculation type model of position-based relation according to claim 1, is characterized in that the starting point that road conditions are stated calculates.
- 3. vehicle-mounted real-time road broadcast device according to claim 1, is characterized in that based on voice broadcast.
- 4. online road conditions computation model according to claim 1, is characterized in that online full-time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410809050.4A CN104715628A (en) | 2014-12-23 | 2014-12-23 | Vehicle-mounted real-time road condition method and device based on positional relationship calculation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410809050.4A CN104715628A (en) | 2014-12-23 | 2014-12-23 | Vehicle-mounted real-time road condition method and device based on positional relationship calculation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104715628A true CN104715628A (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410809050.4A Pending CN104715628A (en) | 2014-12-23 | 2014-12-23 | Vehicle-mounted real-time road condition method and device based on positional relationship calculation |
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| CN (1) | CN104715628A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105046955A (en) * | 2015-06-23 | 2015-11-11 | 章书毅 | Method and system for acquiring traffic conditions of motor vehicles on the roads in real time |
| CN105096625A (en) * | 2015-07-24 | 2015-11-25 | 上海语镜汽车信息技术有限公司 | Method of acquiring real-time road condition information, system and server |
| CN105513378A (en) * | 2015-12-21 | 2016-04-20 | 宇龙计算机通信科技(深圳)有限公司 | Vehicle networking method, vehicle networking device and vehicle networking system |
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Application publication date: 20150617 |