CN102509474A - System and method for automatically preventing collision between vehicles - Google Patents
System and method for automatically preventing collision between vehicles Download PDFInfo
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- CN102509474A CN102509474A CN2011103532425A CN201110353242A CN102509474A CN 102509474 A CN102509474 A CN 102509474A CN 2011103532425 A CN2011103532425 A CN 2011103532425A CN 201110353242 A CN201110353242 A CN 201110353242A CN 102509474 A CN102509474 A CN 102509474A
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Abstract
The invention discloses a system and a method for automatically preventing collision between vehicles. When timely knowing that the vehicles are run to a short distance, dedicated short range communication (DSRC) modules and DSRC antennae arranged on the two vehicles actively transmit local position information or receive the position information of the other vehicle, acquire relative position information between the two vehicles, obtain the running directions and speeds of the two vehicles and a distance between the two vehicles, perform analysis to judge whether the two vehicles are to meet or not, judge whether the running lines of the two vehicles conflict with each other or not, and automatically control the running of the vehicles according to an analysis result to actively prevent the collision between the two vehicles. Compared with the prior art, the system and the method solve the problem that the two vehicles easily collide with each other when run to the short distance because of the low communication reliability and low real-time performance of communication realized through a communication platform in the prior art.
Description
Technical field
The invention belongs to road traffic safety monitoring field; What be specifically related to is a kind of car and car automatic anticollision system and method; This method is utilized junction service (DSRC) technology; Add the junction service speed between express and the car, improve the automatic anticollision processing power between car and the car, prevent the situation that vehicle bumps closely the time.
Background technology
The living standard of Along with people's improves constantly, and automobile has become people's the most frequently used vehicles of going out, and along with the automobile of travels down is more and more, the car crass traffic hazard often takes place.
At present both at home and abroad on the method for car and car automatic anticollision, all depend on the GPS navigation platform, as shown in Figure 1; A terminal " car-mounted terminal A " is installed on vehicle A; A terminal " car-mounted terminal B " is installed on vehicle B, and all keeping in touch with platform at ordinary times in these two terminals, uses GPRS or 3G communication mode usually; Can tell platform with the own location dependent information that obtains from GPS; That is to say that platform can be inquired in any one terminal, to obtain the location dependent information at other terminal.Like this; According to the terminal location relevant information around itself; Just can the vehicle of calculating own and relative distance of surrounding vehicles, relative velocity, working direction etc.; Can identify the route conflict of advancing between the vehicle in view of the above, make vehicle ' control then automatically, to prevent the mutual collision between the vehicle.
But there is following defective in this car with the method for car automatic anticollision: communicating by letter between two cars must be passed through platform and transmitted, and platform is transmitted the life period delay, and for the vehicle of fast running, reliability and real-time also are nowhere near.
Summary of the invention
For this reason, the object of the present invention is to provide a kind of car and car automatic anticollision system and method, short range is poor from the communication reliability between the interior vehicle, real-time is bad, the problem that causes car and car to bump easily to solve.
For realizing above-mentioned purpose, the present invention mainly adopts following technical scheme:
A kind of car and car automatic anticollision system; Comprise car-mounted terminal A and car-mounted terminal B; Be provided with GPS receiver module A, car-mounted terminal modules A and DSRC modules A among the said car-mounted terminal A, said GPS receiver module A is connected with the DSRC modules A through the car-mounted terminal modules A; Be provided with GPS receiver module B, car-mounted terminal module B and DSRC module B among the said car-mounted terminal B, said GPS receiver module B is connected with DSRC module B through car-mounted terminal module B; Said DSRC modules A is carried out short haul connection with DSRC module B through antenna and is connected.
Wherein said GPS receiver module A also is connected with GPS receiving antenna A.
Wherein said DSRC modules A also is connected with DSRC antenna A.
Wherein said GPS receiver module B also is connected with GPS receiving antenna B.
Wherein said DSRC module B also is connected with DSRC antenna B.
The present invention also provides a kind of car and car automatic anticollision method, comprises step:
S1, vehicle A receive the location dependent information of vehicle A in real time through GPS receiver module A, and give the car-mounted terminal modules A in real time with its location dependent information;
S2, car-mounted terminal modules A detect the position application order of whether receiving from car-mounted terminal module B, if receive, then the location dependent information to vehicle A carries out subpackage processing formation packet, and sends to the DSRC modules A to packet;
S3, DSRC modules A send to vehicle B to the packet that receives through DSRC antenna A, and vehicle B receives the packet that sends from the DSRC modules A;
S4, car-mounted terminal module B draw the location dependent information of vehicle A through resolving above-mentioned packet, and through analyzing the location dependent information of this car and vehicle A, draw the distance between travel direction, speed and two cars of Ben Che and vehicle A; And then analyze two cars and whether be about to meeting, judge whether the two cars route that goes exists conflict, according to analysis result car-mounted terminal module B vehicle B is made the control automatically of going, and prevents that initiatively Ben Che and vehicle A from bumping.
The present invention also provides a kind of car and car automatic anticollision method, comprises step:
Whether S1 ', vehicle A detection itself exist short range to leave other interior vehicle, as have vehicle B, then get into step S2 ';
S2 ', vehicle A send position application order through the DSRC modules A to vehicle B;
S3 ', vehicle A receive the location dependent information packet that sends from vehicle B through the DSRC modules A, and send to the car-mounted terminal modules A to the packet that receives;
S4 ', car-mounted terminal modules A draw the location dependent information of vehicle B through resolving above-mentioned packet, and through analyzing the location dependent information of this car and vehicle B, draw the distance between travel direction, speed and two cars of Ben Che and vehicle B; And then analyze two cars and whether be about to meeting, judge whether the two cars route that goes exists conflict, according to analysis result car-mounted terminal modules A vehicle A is made the control automatically of going, and prevents that initiatively Ben Che and vehicle B from bumping.
The present invention is through being equipped with DSRC module and DSRC antenna on two cars; When two cars run to short distance; Initiatively send the positional information that this parking stall is put information or received the other side's vehicle, obtain the relative position information between Ben Che and the other side's vehicle, draw the distance between travel direction, speed and two cars of Ben Che and the other side's vehicle; Analyze two cars and whether be about to meeting; Judge whether the two cars route that goes exists conflict, and vehicle is made the control automatically of going, initiatively prevent Ben Che and the other side's collision happens according to analysis result.Compared with prior art, the invention solves in the prior art when two car short distances move, communicate by letter through platform that existing communication reliability is poor, real-time is bad, the problem that causes car and car to bump easily.
Description of drawings
Fig. 1 utilizes platform to prevent the systematic schematic diagram of car and car automatic anticollision for existing.
Fig. 2 prevents car and car automatic anticollision system schematic for junction service of the present invention.
Fig. 3 prevents the systematic schematic diagram of car and car automatic anticollision for the present invention utilizes junction service.
Fig. 4 prevents the workflow diagram of car and car automatic anticollision for the present invention utilizes junction service.
Embodiment
For setting forth thought of the present invention and purpose, will combine accompanying drawing and specific embodiment that the present invention is done further explanation below.
See also Fig. 2, shown in Figure 3, Fig. 2 prevents car and car automatic anticollision system schematic for junction service of the present invention; Fig. 3 prevents the systematic schematic diagram of car and car automatic anticollision for the present invention utilizes junction service.The invention provides a kind of car and car automatic anticollision system, be used for solving and communicate by letter through platform that existing communication reliability is poor, real-time is bad, the problem that causes car and car to bump easily.
Wherein this system includes car-mounted terminal A and car-mounted terminal B; Be provided with gps antenna A, GPS receiver module A, car-mounted terminal modules A, DSRC modules A and DSRC antenna A among the said car-mounted terminal A; Said gps antenna A is connected with GPS receiver module A; Obtain the positional information of vehicle A in real time through gps antenna A and GPS receiver module A, GPS receiver module A is connected with the DSRC modules A through the car-mounted terminal modules A, and the DSRC modules A is connected with DSRC antenna A.
Be provided with gps antenna B, GPS receiver module B, car-mounted terminal module B, DSRC module B and DSRC antenna B among the car-mounted terminal B; Said gps antenna B is connected with GPS receiver module B; Obtain the positional information of vehicle B in real time through gps antenna B and GPS receiver module B; GPS receiver module B is connected with DSRC module B through car-mounted terminal module B, and DSRC module B is connected with DSRC antenna B.
Can set up the DSRC modules A through DSRC antenna A and DSRC antenna B is connected with short haul connection between the DSRC module B.
The car-mounted terminal module is used to resolve the packet from the DSRC module; And be used for sending with put information formation packet from this parking stall of GPS receiver module; Through the location dependent information of above-mentioned this car of data packet analysis and the other side's vehicle, draw the distance between travel direction, speed and two cars of Ben Che and the other side's vehicle; And then analyze two cars and whether be about to meeting, judge whether the two cars route that goes exists conflict, according to analysis result car-mounted terminal module this car is made the control automatically of going, and initiatively prevents Ben Che and the other side's collision happens.
More than be to the explanation of invention car and car automatic anticollision system, will combine Fig. 4 that invention car of the present invention and car automatic anticollision are done further description below.
The present invention also provides a kind of car and car automatic anticollision method, mainly comprises two parts:
First is: the positional information of the vehicle of transmission own is given the other side, specifically comprises step:
S1, vehicle A receive the location dependent information of vehicle A in real time through GPS receiver module A, and give the car-mounted terminal modules A in real time with its location dependent information;
S2, car-mounted terminal modules A detect the position application order of whether receiving from car-mounted terminal module B, if receive, then the location dependent information to vehicle A carries out subpackage processing formation packet, and sends to the DSRC modules A to packet;
S3, DSRC modules A send to vehicle B to the packet that receives through DSRC antenna A, and vehicle B receives the packet that sends from the DSRC modules A;
S4, car-mounted terminal module B draw the location dependent information of vehicle A through resolving above-mentioned packet, and through analyzing the location dependent information of this car and vehicle A, draw the distance between travel direction, speed and two cars of Ben Che and vehicle A; And then analyze two cars and whether be about to meeting, judge whether the two cars route that goes exists conflict, according to analysis result car-mounted terminal module B vehicle B is made the control automatically of going, and prevents that initiatively Ben Che and vehicle A from bumping.
Second portion is: application receives the positional information of the other side's vehicle, specifically comprises step:
Whether S1 ', vehicle A detection itself exist short range to leave other interior vehicle, as have vehicle B, then get into step S2 ';
S2 ', vehicle A send position application order through the DSRC modules A to vehicle B;
S3 ', vehicle A receive the location dependent information packet that sends from vehicle B through the DSRC modules A, and send to the car-mounted terminal modules A to the packet that receives;
S4 ', car-mounted terminal modules A draw the location dependent information of vehicle B through resolving above-mentioned packet, and through analyzing the location dependent information of this car and vehicle B, draw the distance between travel direction, speed and two cars of Ben Che and vehicle B; And then analyze two cars and whether be about to meeting, judge whether the two cars route that goes exists conflict, according to analysis result car-mounted terminal modules A vehicle A is made the control automatically of going, and prevents that initiatively Ben Che and vehicle B from bumping.
For night running vehicle short distance meeting,, avoid taking place vehicle collision through the switching that the present invention can realize long-and-short distant light; At first when remote, two cars go in opposite directions, all are in the high beam pattern; Go near when the 200m left and right sides when the two, continuously receive the positional information of two cars through the DSRC module this moment, and calculate corresponding travelling speed; And switch to the dipped headlights pattern or close high beam through car-mounted terminal module controls vehicle; After two car meetings, distance leaves between the two, and the distance that this moment, the DSRC module received between the two becomes big again from 0; Represent two cars not in opposite directions this moment, then switches to the high beam pattern through car-mounted terminal module controls vehicle.
In addition, the present invention when the crossing, has the information of circuit conflict vehicle (maybe outside sight line), to evade potential risk of collision in advance at vehicle near also can obtaining through the DSRC module.
More than be that a kind of car provided by the present invention and car automatic anticollision system and method have been carried out detailed introduction; Used concrete example among this paper structural principle of the present invention and embodiment are set forth, above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (7)
1. car and car automatic anticollision system; It is characterized in that comprising car-mounted terminal A and car-mounted terminal B; Be provided with GPS receiver module A, car-mounted terminal modules A and DSRC modules A among the said car-mounted terminal A, said GPS receiver module A is connected with the DSRC modules A through the car-mounted terminal modules A; Be provided with GPS receiver module B, car-mounted terminal module B and DSRC module B among the said car-mounted terminal B, said GPS receiver module B is connected with DSRC module B through car-mounted terminal module B; Said DSRC modules A is carried out short haul connection with DSRC module B through antenna and is connected.
2. car according to claim 1 and car automatic anticollision system is characterized in that said GPS receiver module A also is connected with GPS receiving antenna A.
3. car according to claim 1 and car automatic anticollision system is characterized in that said DSRC modules A also is connected with DSRC antenna A.
4. car according to claim 1 and car automatic anticollision system is characterized in that said GPS receiver module B also is connected with GPS receiving antenna B.
5. car according to claim 1 and car automatic anticollision system is characterized in that said DSRC module B also is connected with DSRC antenna B.
6. car and car automatic anticollision method is characterized in that comprising step:
S1, vehicle A receive the location dependent information of vehicle A in real time through GPS receiver module A, and give the car-mounted terminal modules A in real time with its location dependent information;
S2, car-mounted terminal modules A detect the position application order of whether receiving from car-mounted terminal module B, if receive, then the location dependent information to vehicle A carries out subpackage processing formation packet, and sends to the DSRC modules A to packet;
S3, DSRC modules A send to vehicle B to the packet that receives through DSRC antenna A, and vehicle B receives the packet that sends from the DSRC modules A;
S4, car-mounted terminal module B draw the location dependent information of vehicle A through resolving above-mentioned packet, and through analyzing the location dependent information of this car and vehicle A, draw the distance between travel direction, speed and two cars of Ben Che and vehicle A; And then analyze two cars and whether be about to meeting, judge whether the two cars route that goes exists conflict, according to analysis result car-mounted terminal module B vehicle B is made the control automatically of going, and prevents that initiatively Ben Che and vehicle A from bumping.
7. car and car automatic anticollision method is characterized in that comprising step:
Whether S1 ', vehicle A detection itself exist short range to leave other interior vehicle, as have vehicle B, then get into step S2 ';
S2 ', vehicle A send position application order through the DSRC modules A to vehicle B;
S3 ', vehicle A receive the location dependent information packet that sends from vehicle B through the DSRC modules A, and send to the car-mounted terminal modules A to the packet that receives;
S4 ', car-mounted terminal modules A draw the location dependent information of vehicle B through resolving above-mentioned packet, and through analyzing the location dependent information of this car and vehicle B, draw the distance between travel direction, speed and two cars of Ben Che and vehicle B; And then analyze two cars and whether be about to meeting, judge whether the two cars route that goes exists conflict, according to analysis result car-mounted terminal modules A vehicle A is made the control automatically of going, and prevents that initiatively Ben Che and vehicle B from bumping.
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| CN2011103532425A CN102509474A (en) | 2011-11-09 | 2011-11-09 | System and method for automatically preventing collision between vehicles |
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| CN2011103532425A CN102509474A (en) | 2011-11-09 | 2011-11-09 | System and method for automatically preventing collision between vehicles |
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| CN106448269A (en) * | 2016-12-08 | 2017-02-22 | 大连理工大学 | Cooperative vehicle-road early-warning device based on road junction vehicle collision avoidance and operating method of device |
| CN107678424A (en) * | 2017-08-22 | 2018-02-09 | 广东美的智能机器人有限公司 | Robot avoids the method and its device of path conflict |
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