CN104299452A - Vehicle collision pre-warning system and pre-warning method thereof - Google Patents
Vehicle collision pre-warning system and pre-warning method thereof Download PDFInfo
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- CN104299452A CN104299452A CN201410603426.6A CN201410603426A CN104299452A CN 104299452 A CN104299452 A CN 104299452A CN 201410603426 A CN201410603426 A CN 201410603426A CN 104299452 A CN104299452 A CN 104299452A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
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Abstract
The invention discloses a vehicle collision pre-warning system. The vehicle collision pre-warning system comprises an on-board unit (OBU) arranged on a vehicle, a vehicle body controller connected with the OBU and an on-board displayer connected with the vehicle body controller. The OBU carries out short-range wireless communication with OBUs on other vehicles around the OBU. By the adoption of the structure and the method, the vehicle collision pre-warning system has the advantages that under the circumstance that the driving environment is poor, driving safety is effectively improved; limited channel resources are guaranteed, and the requirement that hazard warning information is spread at a low time delay rate is met; according to the technical scheme, implementation cost is relatively low, and wide application and popularization are facilitated.
Description
Technical field
The present invention relates to car crass alarm technique, particularly a kind of vehicle collision prewarning system and method for early warning thereof.
Background technology
The analysis result of expert to motor traffic accidents shows, in occurred traffic hazard, have 80% be due to driver's reaction not in time, mishandlingly to cause.The investigation display of Daimler Benz, in advance 0.5s give the alarm can prevent 60% rear-end collision, 1.5s can prevent the rear-end collision of 90% from occurring in advance.Therefore, automobile being installed car crass early warning system, is reduce the effective technical measures of road traffic accident.
The domestic and international research about car crass early warning system is at present generally based on machine vision technique, by road ahead environment, vehicle detection and spacing monitoring etc., gives the alarm in advance to contingent vehicle collision to driver.Based on the vehicle collision prewarning system of machine vision technique, for undesirable at inclement weather (heavy rain, thick fog etc.) situation down train safe effect.
Summary of the invention
Technical matters to be solved by this invention is, for the deficiencies in the prior art, a kind of vehicle collision prewarning system and method for early warning thereof are provided, to reach not by the impact of environment, various possible dangerous situation is provided in time, to reduce because driver neglects the object of the traffic hazard that may cause to driver.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of vehicle collision avoidance early warning system, comprise the board units OBU be arranged on vehicle, the car body controller be connected with board units OBU, the Vehicular display device that is connected with car body controller, the board units OBU short-distance wireless communication on described board units OBU and other vehicle of periphery.
Described car body controller, for the position of other vehicle of periphery of gathering according to board units OBU, speed, travel direction information, analyze judge this car whether may with other collision happens of periphery, make collision prediction alert, and by contingent collision image information display on Vehicular display device.
Alert audible alarm, Seat vibration alerts or the steering wheel vibration of comprising of described collision prediction is reported to the police.
Described board units OBU, for issuing danger warning information towards periphery, receives the information that other vehicle of periphery sends simultaneously.
Described danger warning information comprises vehicle position information, vehicle speed information, vehicle course angle information.
A method for early warning for vehicle collision prewarning system, described method comprises the following steps:
A) board units OBU gathers the position of other vehicle of periphery, speed, travel direction information by short-distance wireless communication mode, and information is sent to car body controller;
B) analyze judge this car whether may with other collision happens of periphery, make collision prediction and warn, and by contingent collision image information display on Vehicular display device.
In described b step, alert audible alarm, Seat vibration alerts or the steering wheel vibration of comprising of collision prediction is reported to the police.
The present invention adopts said structure and method, has the following advantages: 1, when driving a vehicle bad environments, effectively improve travel safety; 2, ensure that limited channel resource meets the low time delay rate of danger warning information and propagates; 3, technical scheme realizes advantage of lower cost, is conducive to widespread use and promotes.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation;
Fig. 1 is logical organization block diagram of the present invention;
Fig. 2 be in the present invention vehicle at the situation schematic diagram of road driving;
Fig. 3 be in the present invention vehicle at the another kind of situation schematic diagram of road driving;
In FIG, 1, car body controller; 2, Vehicular display device.
Embodiment
A kind of vehicle collision avoidance early warning system as shown in Figure 1, comprise the board units OBU be arranged on vehicle, the car body controller 1 be connected with board units OBU, the Vehicular display device 2 that is connected with car body controller 1, the board units OBU short-distance wireless communication on board units OBU and other vehicle of periphery.
Car body controller 1, for the position of other vehicle of periphery of gathering according to board units OBU, speed, travel direction information, analyze judge this car whether may with other collision happens of periphery, make collision prediction alert, and by contingent collision image information display on Vehicular display device 2.Alert audible alarm, Seat vibration alerts or the steering wheel vibration of comprising of collision prediction is reported to the police.Board units OBU, for issuing danger warning information towards periphery, receives the information that other vehicle of periphery sends simultaneously.Danger warning information comprises vehicle position information, vehicle speed information, vehicle course angle information.
A method for early warning for vehicle collision prewarning system, described method comprises the following steps:
A) board units OBU gathers the position of other vehicle of periphery, speed, travel direction information by short-distance wireless communication mode, and information is sent to car body controller;
B) analyze judge this car whether may with other collision happens of periphery, make collision prediction and warn, and by contingent collision image information display on Vehicular display device.In b step, alert audible alarm, Seat vibration alerts or the steering wheel vibration of comprising of collision prediction is reported to the police.
Method for early warning concrete steps are: the travel conditions of other vehicles around (1) board units OBU collection vehicle: position, the speed of vehicle, add information such as (subtracting) speed, travel direction etc., are transmitted by short-distance wireless communication mode between vehicle.Short-distance wireless communication real-time is high, and data transmission is reliable, ensure that the vehicle promptness transmitted of information and accuracy each other.
(2) judge the possibility of vehicle collision: by short-distance wireless communication between vehicle, vehicle gets the driving information of surrounding vehicles, as the foundation that vehicle collision judges, mainly considers safe distance between vehicles.If driver does not remain a safe distance behind the car in front, vehicle sends early warning sound, and the image of vehicle-carrying display screen presents the signal of contingent collision scene.
(3) provide anti-collision warning information to driver: in safe driving situation, anti-collision warning information is not provided.Judge that vehicle may collide by step 2, provide anti-collision warning information in time to driver, mainly through auditory tone cues, car-mounted display screen image shows, and the modes such as the vibration prompt of seat or bearing circle realize.
In the present embodiment, determine other traveling state of vehicle of vehicle periphery: the broadcast characteristic of short-distance wireless communication determines that the issue of danger warning information does not possess directivity, when vehicle is because of mechanical fault, vehicle to change lane, its board units (On Board Unit, be called for short OBU) issue danger warning information towards periphery with certain frequency, this information spinner will comprise three partial contents: vehicle position information, vehicle course angle and unscheduled event are numbered.Other driving vehicles be in vehicle wireless communication coverage all will receive this information, but also not all vehicle all needs to take the collision avoidance measures such as braking deceleration.
In road traffic environment, the danger warning information of issue is only effective to following vehicle, does not affect the transport condition of other vehicles.As shown in Figure 2, during vehicle A brake hard, vehicle B is its adjacent lane driving vehicle in the same way, and vehicle C is that vehicle A follows driving vehicle, and vehicle D is same section backward going vehicle, and vehicle B, C, D are in vehicle A radio communication coverage area.Obviously, when vehicle A generation mechanical fault is stopped in emergency, there is following after vehicle C receives danger warning information of identical driving trace and must take corresponding collision avoidance measure, and the transport condition of vehicle B, D is by the impact of vehicle A.Therefore, vehicle whether take the key of collision avoidance measure be determine vehicle be whether brake hard vehicle follow driving vehicle.
Vehicle extracts the transport condition characteristic informations such as brake hard vehicle course angle from the danger warning information acquired, and analyzes and the relative position relation of brake hard vehicle, and acquired results is as the decision-making whether taking collision avoidance measure.
Short-distance wireless communication limited coverage area, for realize danger warning information be distributed to be in communication coverage outer and there is rear-end impact danger follow vehicle, the relaying that the present invention proposes danger warning information transmits vehicle system of selection.
As shown in Figure 3, vehicle B brake hard, vehicle A is vehicle B traveling ahead vehicle, vehicle C, D, E be vehicle B follow vehicle, and be in the radio communication coverage area of vehicle B, vehicle F is in outside the radio communication coverage area of vehicle B, and there is the possibility that rear-end impact occurs with vehicle B.For expanding the transmission scope of danger warning information, allow and follow-up follow the brake hard information that vehicle receives front in time, vehicle E transmits vehicle as relaying, and danger warning information is delivered to vehicle F.Select with brake hard vehicle space air line distance maximum and the vehicle of following be in radio communication coverage area transmits vehicle as danger warning information relaying.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the various improvement that method of the present invention is conceived and technical scheme is carried out; or directly apply to other occasion, all within protection scope of the present invention without improving.
Claims (7)
1. a vehicle collision avoidance early warning system, it is characterized in that: comprise the board units (OBU) be arranged on vehicle, the car body controller (1) be connected with board units (OBU), the Vehicular display device (2) that is connected with car body controller (1), described board units (OBU) and board units (OBU) short-distance wireless communication on other vehicle of periphery.
2. a kind of vehicle collision prewarning system according to claim 1, it is characterized in that: described car body controller (1), for the position of other vehicle of periphery of gathering according to board units (OBU), speed, travel direction information, analyze judge this car whether may with other collision happens of periphery, make collision prediction alert, and by contingent collision image information display on Vehicular display device (2).
3. a kind of vehicle collision prewarning system according to claim 2, is characterized in that: alert audible alarm, Seat vibration alerts or the steering wheel vibration of comprising of described collision prediction is reported to the police.
4. a kind of vehicle collision prewarning system according to claim 1 and 2, is characterized in that: described board units (OBU), for issuing danger warning information towards periphery, receives the information that other vehicle of periphery sends simultaneously.
5. a kind of vehicle collision prewarning system according to claim 4, is characterized in that: described danger warning information comprises vehicle position information, vehicle speed information, vehicle course angle information.
6. a method for early warning for the vehicle collision prewarning system according to any one of claim 1-5, is characterized in that: described method comprises the following steps:
A) board units OBU gathers the position of other vehicle of periphery, speed, travel direction information by short-distance wireless communication mode, and information is sent to car body controller;
B) analyze judge this car whether may with other collision happens of periphery, make collision prediction and warn, and by contingent collision image information display on Vehicular display device.
7. the method for early warning of a kind of vehicle collision prewarning system according to claim 6, is characterized in that: in described b step, alert audible alarm, Seat vibration alerts or the steering wheel vibration of comprising of collision prediction is reported to the police.
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| CN201410603426.6A CN104299452A (en) | 2014-10-28 | 2014-10-30 | Vehicle collision pre-warning system and pre-warning method thereof |
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| CN201410603426.6A CN104299452A (en) | 2014-10-28 | 2014-10-30 | Vehicle collision pre-warning system and pre-warning method thereof |
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Cited By (11)
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| CN105261236A (en) * | 2015-09-28 | 2016-01-20 | 芜湖市汽车产业技术研究院有限公司 | Vehicle danger early warning system and method based on vehicle cooperation |
| CN105280023A (en) * | 2015-10-27 | 2016-01-27 | 重庆智韬信息技术中心 | Safe and intelligent driving method based on RFID technology |
| CN106448207A (en) * | 2016-11-21 | 2017-02-22 | 深圳市元征科技股份有限公司 | Vehicle driving warning method and device |
| CN108847016A (en) * | 2018-07-05 | 2018-11-20 | 晁保锁 | Hot-short information interaction system based on information sharing |
| CN108873864A (en) * | 2018-07-02 | 2018-11-23 | 北京新能源汽车股份有限公司 | A kind of test macro of simulating vehicle traveling |
| CN109561394A (en) * | 2018-11-16 | 2019-04-02 | 维沃移动通信有限公司 | A kind of warning message broadcasting method and terminal |
| CN109584633A (en) * | 2018-12-17 | 2019-04-05 | 安徽江淮汽车集团股份有限公司 | A kind of vehicle collision prewarning Scene realization system and method based on V2X technology |
| CN110880250A (en) * | 2018-09-05 | 2020-03-13 | 奥迪股份公司 | Danger early warning system and method |
| CN111653090A (en) * | 2020-05-08 | 2020-09-11 | 惠州市德赛西威智能交通技术研究院有限公司 | Non-threat vehicle screening method based on V2X |
| CN112088398A (en) * | 2018-05-15 | 2020-12-15 | 罗伯特·博世有限公司 | ECU and lane departure warning system |
| CN115410413A (en) * | 2022-07-12 | 2022-11-29 | 广州铁路职业技术学院（广州铁路机械学校） | Vehicle-mounted self-organizing network-based collision early warning method, vehicle-mounted terminal and vehicle |
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| CN108847016A (en) * | 2018-07-05 | 2018-11-20 | 晁保锁 | Hot-short information interaction system based on information sharing |
| CN110880250A (en) * | 2018-09-05 | 2020-03-13 | 奥迪股份公司 | Danger early warning system and method |
| CN109561394A (en) * | 2018-11-16 | 2019-04-02 | 维沃移动通信有限公司 | A kind of warning message broadcasting method and terminal |
| CN109584633A (en) * | 2018-12-17 | 2019-04-05 | 安徽江淮汽车集团股份有限公司 | A kind of vehicle collision prewarning Scene realization system and method based on V2X technology |
| CN111653090A (en) * | 2020-05-08 | 2020-09-11 | 惠州市德赛西威智能交通技术研究院有限公司 | Non-threat vehicle screening method based on V2X |
| CN111653090B (en) * | 2020-05-08 | 2022-03-22 | 惠州市德赛西威智能交通技术研究院有限公司 | Non-threat vehicle screening method based on V2X |
| CN115410413A (en) * | 2022-07-12 | 2022-11-29 | 广州铁路职业技术学院（广州铁路机械学校） | Vehicle-mounted self-organizing network-based collision early warning method, vehicle-mounted terminal and vehicle |
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