CN106375456A - Method for carrying out vehicle networking at short distance - Google Patents
Method for carrying out vehicle networking at short distance Download PDFInfo
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- CN106375456A CN106375456A CN201610811108.8A CN201610811108A CN106375456A CN 106375456 A CN106375456 A CN 106375456A CN 201610811108 A CN201610811108 A CN 201610811108A CN 106375456 A CN106375456 A CN 106375456A
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- vehicle
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- car networking
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000006855 networking Effects 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 description 11
- 238000004891 communication Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Abstract
The invention discloses a method for carrying out vehicle networking at a short distance, which comprises the following steps of: a, acquiring body state information of a local vehicle; b, receiving and acquiring a 433M or 315M carrier broadcasting data packet, and decoding to obtain body state information and vehicle ID numbers in other vehicle data packets; c, comparing the acquired other vehicle body state information with the body state information of the local vehicle, and after calculating relative information between the vehicles, giving out a corresponding treatment measure; and d, according to the treatment measure, carrying out automatic control or warning suggestion. The method disclosed by the invention has the advantages of simple system structure, no dependence on the internet, high real-time performance and capability of effectively carrying out warning or automatic control on the vehicles in real time.
Description
Technical field
The present invention relates to transport information technology, especially relate to a kind of system structure simple, not against the Internet, real-time
Height, the method for the closely car networking that effectively in real time vehicle can be warned or be automatically controlled.
Background technology
Existing main flow road transport information technology divides two kinds: a kind of is Japanese road traffic Intelligence Communications Architecture
(vehicle information and communication system,vics)；A kind of is that the bus or train route that Europe adopts is worked in coordination with
Coordination system (cooperation vehicle infrastructure system, cvis).Vics system is mainly adopted by information
Collection, information analysiss and process, information send and information uses four part compositions.Police unit and road management person are responsible for collection
To road information send Japan Highway and traffic information center to, then delivered the information to by road and traffic information center
Vics center, after information being processed by vics center, is broadcasted by fm, radio beacon and infrared beacon are supplied to car
Driver, is warned to driver or is advised.It is based on vehicle and vehicle that the bus or train route in Europe works in coordination with coordination (cvis) system
Communication and vehicle and infrastructure between, provides real time environment, other vehicles and road user of vehicle etc. for driver
Information, moves by advanced driving environment guiding safe driving and efficiently.Bus or train route cooperative system can guarantee that the height in traffic system
The safety aspect of effect property and all road users is extremely improved.Similarly, bus or train route cooperative system is road dataway operation
Person and basic system provide lasting vehicle, position and road condition information it is allowed to optimize and more safely using existing road
Network, preferably avoids vehicle accident and injury.No matter being vics system or cvis system, it is all by Internet technology,
The various information transfers of itself are converged to central processing unit by all of vehicle；By computer technology, these a large amount of vehicles
Information can be analyzed and processed, and then feed back to human pilot, provide help to traffic.Two systems have following three scarce greatly
Point: 1. system bulky complex is it is desirable to Internet communication technology, sensor technology, wireless technology, mass data processing confluence analysiss
Technology, technical requirements are very high, and participation resource is numerous, and the degree of coupling is high, and system building, enforcement, maintenance cost are huge, are not suitable for single
The vehicle individual arbitrarily running；2. system reliability is not high, and the application of whole system will be by the Internet, and Internet instantly
Environment is complicated, when occurring that some are dangerous, insecure event when, be likely to result in huge life and property loss, cause car
Travel confusion etc.；3. real-time is not high, when traffic accident will occur, system can not immediately effectively vehicle be warned or
It is controlled.
Content of the invention
For overcoming the shortcoming of prior art, present invention aim at provide a kind of system structure simple, not against the Internet,
Real-time is high, the method for the closely car networking that effectively in real time vehicle can be warned or be automatically controlled.
The present invention is realized by following technical measures, a kind of method of closely car networking, comprises the steps:
A. gather the vehicle body status information of this car；
B. receive and obtain 433m or 315m carrier broadcast packet, decoding obtains the vehicle body shape in other vehicle data bags
State information and vehicle id；
C. the other automobile body status informations obtaining and vehicle id are compared with the vehicle body status information of this car, calculate car
After relative information between, provide corresponding treatment measures；
D. automatically controlled according to treatment measures or warned suggestion.
As a kind of optimal way, described step a is. gather the vehicle body status information of this car, by the vehicle body state of this car
Information and this car id are packaged into packet and carry out broadcast transmission in 433m or 315m carrier wave.
As a kind of optimal way, described vehicle body status information includes car speed, position, guiding and control information.
As a kind of optimal way, between described vehicle, relative information includes between vehicle relative position between relative velocity, vehicle
Direction of relative movement and between vehicle.
As a kind of optimal way, described treatment measures include slowing down, accelerate, bring to a halt or lane change.
As a kind of optimal way, described vehicle id is license plate number.
As a kind of optimal way, described broadcast transmission is with 119200 baud rates, interval 100ms transmitting.
As a kind of optimal way, described warning suggestion includes reminding slows down, reminds acceleration, reminds and bring to a halt or remind change
Road.
As a kind of optimal way, described automatically controlling is slowed down, controls to accelerate or control and bring to a halt including controlling.
As a kind of optimal way, described packet carries out broadcast transmission in 433m carrier wave.
The present invention adopts short-distance wireless communication transmission technology, sets up with vehicle as node, in the range of wireless transmission distance
Removable LAN, handing-over speed, position, the vehicle body status information such as steering between node, compared with node car self-information
Relatively, after calculating relative information between vehicle, providing corresponding treatment measures, thus reach realizing drive advice, driving warning
With the function such as automatically control.
Brief description
Fig. 1 is the workflow diagram of the embodiment of the present invention.
Fig. 2 is the operating diagram of the embodiment of the present invention.
Specific embodiment
With reference to embodiment and compare accompanying drawing the present invention is described in further detail.
A kind of method of closely car networking, with reference to Fig. 1, comprises the steps:
A. gather the vehicle body status information of this car, the vehicle body status information of this car and this car id are packaged into packet and exist
433m carrier wave carries out broadcast transmission；Vehicle body status information can include the information such as car speed, position, guiding and control；
B. receive and obtain 433m carrier broadcast packet, decoding obtains the vehicle body status information in other vehicle data bags
And vehicle id；
C. the other automobile body status informations obtaining and vehicle id are compared with the vehicle body status information of this car, calculate car
After relative information between, provide corresponding treatment measures；
D. automatically controlled according to treatment measures or warned suggestion.
This method adopts short-distance wireless communication transmission technology, sets up with vehicle as node, in the range of wireless transmission distance
Removable LAN, between node, handing-over speed, position, the information such as steering, compared with node self-information, calculate phase
To speed, distance etc., thus reach realizing drive advice, driving and the function such as warning and automatically control.In other embodiments
It can be 315m carrier wave.
This method first from ecu (automobile specified single-chip microcomputer) equipment by can bus obtain this car speed, position,
Guiding, control etc. after vehicle body status information, encapsulated data packet is built with custom protocol, can be using the number-plate number as unique id
Number；Again wireless module is switched to after sending mode, is launched with 119200 baud rates, data is activation adopts broadcast mode,
Launch once at interval of 100ms；Then wireless module switches to reception pattern, obtain around can vehicle on-board letter in range of receiving
Breath, peels off available vehicle body status data in packet, sends into data processing unit；Finally by the data processing unit in ecu
Relatively itself vehicle body status information, after calculating the information such as relative velocity, position, guiding between vehicle, provides corresponding treatment measures,
Automatically control or warn suggestion etc..
If Fig. 2 is the operating diagram of the present embodiment, car one and car three are in effective range of receiving of car two wireless module
When (800m about) is interior, car two can get the information such as the speed of car one and car three, longitude and latitude by wireless module, by range finding
Module accurately calculates front-and-rear vehicle distance (s1, s2 size) and judges that Che Yiwei dead ahead travels, and Che Erwei dead astern travels, and leads to
Cross and be compared with itself speed:
1) if itself speed is more than car one speed, relative distance is less than safe distance, reminds car by human-computer interaction interface
Two drivers are slowed down, or automatically control speed；
2) if finding, car one slows down or brings to a halt, and reminds driver in time or automatically brings to a halt；
3) if speed is less than car three speed, driver or automatic speed-raising is reminded to space out, unfeasible in front of finding
The safe distance sailed, points out to give way or replacing lanes of overtaking other vehicles.
The system structure of this method is simple, low cost, communication environment are reliable and stable, time performance is good, can remind in time and drive
The person of sailing is derived from the danger of periphery, effectively takes precautions against the generation of burst vehicle accident additionally it is possible to assist to drive, mitigates driving pressure.
It is more than that method to the present invention closely car networking is set forth, be used to help understand the present invention, but this
Bright embodiment is simultaneously not restricted to the described embodiments, any without departing from the change made under the principle of the invention, modify, replace
Generation, combination, simplification, all should be equivalent substitute mode, are included within protection scope of the present invention.
Claims (10)
1. a kind of method of closely car networking is it is characterised in that comprise the steps:
A. gather the vehicle body status information of this car；
B. receive and obtain 433m or 315m carrier broadcast packet, decoding obtains the vehicle body state letter in other vehicle data bags
Breath and vehicle id；
C. the other automobile body status informations obtaining and vehicle id are compared with the vehicle body status information of this car, calculate between vehicle
After relative information, provide corresponding treatment measures；
D. automatically controlled according to treatment measures or warned suggestion.
2. closely car networking according to claim 1 method it is characterised in that: described step a is. gather this car
Vehicle body status information, the vehicle body status information of this car and this car id is packaged into packet and carries out extensively in 433m or 315m carrier wave
Broadcast and send.
3. closely car networking according to claim 1 method it is characterised in that: described vehicle body status information includes car
Speed, position, guiding and control information.
4. closely car networking according to claim 1 method it is characterised in that: between described vehicle, relative information includes
Direction of relative movement between relative position and vehicle between relative velocity, vehicle between vehicle.
5. closely car networking according to claim 1 method it is characterised in that: described treatment measures include slow down,
Accelerate, bring to a halt or lane change.
6. closely car networking according to claim 1 method it is characterised in that: described vehicle id is license plate number.
7. closely car networking according to claim 1 method it is characterised in that: described broadcast transmission is with 119200 ripples
Special rate, interval 100ms transmitting.
8. closely car networking according to claim 1 method it is characterised in that: described warning suggestion includes prompting and subtracts
Speed, prompting accelerate, remind and bring to a halt or remind lane change.
9. closely car networking according to claim 1 method it is characterised in that: described automatically controlling subtracts including control
Speed, control accelerate or control to bring to a halt.
10. closely car networking according to claim 1 method it is characterised in that: described packet is in 433m carrier wave
Carry out broadcast transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610811108.8A CN106375456A (en) | 2016-09-07 | 2016-09-07 | Method for carrying out vehicle networking at short distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610811108.8A CN106375456A (en) | 2016-09-07 | 2016-09-07 | Method for carrying out vehicle networking at short distance |
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| CN106375456A true CN106375456A (en) | 2017-02-01 |
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| CN201610811108.8A Pending CN106375456A (en) | 2016-09-07 | 2016-09-07 | Method for carrying out vehicle networking at short distance |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107316487A (en) * | 2017-07-11 | 2017-11-03 | 东莞市信瑞智能科技有限公司 | Car networking Intelligent vehicle-carried information terminal and information interacting method |
| CN108377169A (en) * | 2018-02-08 | 2018-08-07 | 京东方科技集团股份有限公司 | A kind of vehicle information directive sending method and device |
| CN109691145A (en) * | 2018-01-18 | 2019-04-26 | Oppo广东移动通信有限公司 | Data transmission method and terminal in car networking |
| CN110351177A (en) * | 2019-07-08 | 2019-10-18 | 浙江吉利控股集团有限公司 | A kind of data encapsulation method and device |
| CN111459157A (en) * | 2020-02-28 | 2020-07-28 | 广东中科臻恒信息技术有限公司 | Vehicle-road cooperative driving method based on vehicle-mounted unit and road side unit and storage medium |
-
2016
- 2016-09-07 CN CN201610811108.8A patent/CN106375456A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107316487A (en) * | 2017-07-11 | 2017-11-03 | 东莞市信瑞智能科技有限公司 | Car networking Intelligent vehicle-carried information terminal and information interacting method |
| CN109691145A (en) * | 2018-01-18 | 2019-04-26 | Oppo广东移动通信有限公司 | Data transmission method and terminal in car networking |
| US10972883B2 (en) | 2018-01-18 | 2021-04-06 | Guandong Oppo Mobile Telecommunications Corp., Ltd. | Terminal and data transmission to perform terminal to terminal data transmission in an internet of vehicles (IoV) system |
| CN108377169A (en) * | 2018-02-08 | 2018-08-07 | 京东方科技集团股份有限公司 | A kind of vehicle information directive sending method and device |
| WO2019153992A1 (en) * | 2018-02-08 | 2019-08-15 | Boe Technology Group Co., Ltd. | Vehicle information directional transmission methods and devices |
| US11536816B2 (en) | 2018-02-08 | 2022-12-27 | Beijing Boe Technology Development Co., Ltd. | Vehicle information directional transmission methods and devices |
| CN110351177A (en) * | 2019-07-08 | 2019-10-18 | 浙江吉利控股集团有限公司 | A kind of data encapsulation method and device |
| CN110351177B (en) * | 2019-07-08 | 2021-07-23 | 浙江吉利控股集团有限公司 | Data encapsulation method and device |
| CN111459157A (en) * | 2020-02-28 | 2020-07-28 | 广东中科臻恒信息技术有限公司 | Vehicle-road cooperative driving method based on vehicle-mounted unit and road side unit and storage medium |
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