CN102747697B - Self-illumination road lamp setting method for reducing rear-end accidents on expressway - Google Patents
Self-illumination road lamp setting method for reducing rear-end accidents on expressway Download PDFInfo
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- CN102747697B CN102747697B CN201210238729.3A CN201210238729A CN102747697B CN 102747697 B CN102747697 B CN 102747697B CN 201210238729 A CN201210238729 A CN 201210238729A CN 102747697 B CN102747697 B CN 102747697B
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Abstract
本发明提供用于减少高速公路追尾事故的自发光道灯设置方法，包括以下步骤：1）在高速公路追尾事故高发或易发路段车道上，按渐变边缘率设计方式设置自发光道灯；2）自发光道灯的发光器件选用发光亮度可调的OLED照明器件。本发明对渐变边缘率设计方式进行了具体的设计，基于驾驶员视知觉边缘率在进入高速公路事故多发路段的车道布设具有敏感边缘率自发光道灯，使得驾驶员的主观边缘率感知提升，从而对速度感知提升，进而降低速度期望，控制自身车辆的行车速度，达到保持行车速度的效果，以减少高速公路追尾事故的发生量，综合提高高速公路追尾事故高发和易发路段的行车安全水平。
The present invention provides a method for setting self-luminous street lamps for reducing rear-end collision accidents on expressways, which includes the following steps: 1) setting self-luminous street lamps according to the gradient edge rate design method on highway sections where rear-end collision accidents frequently occur or are prone to occur; 2. ) The light-emitting device of the self-illuminating road lamp is an OLED lighting device with adjustable luminous brightness. The present invention specifically designs the gradient edge rate design method. Based on the driver's visual perception edge rate, the driver's subjective edge rate perception is improved, In this way, the speed perception is improved, and the speed expectation is reduced, and the driving speed of the own vehicle is controlled to achieve the effect of maintaining the driving speed, so as to reduce the occurrence of rear-end collision accidents on the expressway, and comprehensively improve the driving safety level of the high-frequency rear-end collision accident-prone and prone road sections. .
Description
Technical field
The invention belongs to traffic safety technology field, be specifically related to a kind of set about from driver's Visual Perception Characteristics for reducing speedway rear-end collision and reducing the spontaneous session lamp method to set up of speedway rear-end collision intensity.
Background technology
Vehicle rear-end collision and collision fixture accident are important accident patterns.2010, be informed of a case altogether 3906164 of road traffic accidents of the whole nation.Wherein, the death toll that speedway has an accident, causes, goes up respectively 5.2%, 4% on year-on-year basis.The lethal accident occurring from speedway, the 40.3%th, trail collision accident, the 21.9%th, collision fixture accident, and in the majority with dilly and truck rear-end collision.At present, the major measure of China's speedway control spacing is for to arrange one group of space confirmation mark at every about 10km, this mark one group forms by 5, and putting in order of they is followed successively by the distance marker of rear end collision, space confirmation and 0m, 50m, 100m, and plate face is rectangle.This kind of space confirmation mark is used for reminding driver to carry out understanding to a certain degree to front and back car spacing.This kind of method can be reminded spacing to driver, but can not ensure the control vehicle of driver's active and the spacing of front truck, do not reach the spacing control effect of expection.So, be necessary to find out and reach the method that makes driver's ACTIVE CONTROL and front truck spacing from controlling the object of vehicle on highway front-and-rear vehicle distance.
Front-and-rear vehicle distance is the important factor in order of driver's forward direction collision prevention.Traffic flow theory research shows, driver is relevant with driver's reaction, front-and-rear vehicle distance with car collision prevention behavior, a high proportion of rear-end collision and with the collision accident explanation of building, driver may exist perception, the misjudgment of reaction mistake and spacing.Visual information is the important foundation in perception and the understanding world.In vehicularized today, driver, as an important class crowd, in its information of obtaining, more than 80% is visual information.Driver mainly obtains traffic environment information by vision, then to its danger judge, decision-making, action.The relevant authority's report of the U.S. points out, 90% accident is to be caused by people's mistake; Have 80% above accident and motor vehicle driving relating to persons at least in China.
Therefore, from driver's visual information, the visual information influence factor of research driver spacing perception in turnpike driving process, analyze visual signature, vehicle operating feature, the perception spacing-actual spacing difference characteristic of driver in turnpike driving process, explore and propose the scientific and reasonable method that is conducive to improve the induction of perception spacing based on Driver Vision information, to avoiding vehicle on highway to knock into the back and colliding fixture accident, improve express way driving safety significant.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of for reducing the spontaneous session lamp method to set up of speedway rear-end collision.
The present invention for solving the problems of the technologies described above taked technical scheme is: a kind of for reducing the spontaneous session lamp method to set up of speedway rear-end collision, it is characterized in that: it comprises the following steps:
1) occurred frequently in speedway rear-end collision or easily send out on track, section, by ramp edge rate design, spontaneous session lamp is set;
2) luminescent device of described spontaneous session lamp is selected the adjustable OLED illuminating device of luminosity;
Described ramp edge rate design is: from speedway rear-end collision occurred frequently or easily send out section before length A start, occurred frequently or easily send out section starting point to speedway rear-end collision, i unit is on average set the 1st to i unit, each cell distance is A/i, the frequency of the spontaneous session lamp in Unit the 1st is n Hz, in Unit the 2nd, the frequency of spontaneous session lamp is n+1 Hz ..., the frequency of the spontaneous session lamp in i unit is n+i-1 Hz; From occurred frequently and easy section starting point of speedway rear-end collision, the frequency of spontaneous session lamp is made as n+i Hz, and laying length is B;
In Unit the 1st, the spacing of spontaneous session lamp is 4.65m, in Unit the 2nd, the spacing of spontaneous session lamp is 4.00m, in Unit the 3rd, the spacing of spontaneous session lamp is 3.50m, in Unit the 4th, the spacing of spontaneous session lamp is 3.10m, in Unit the 5th, the spacing of spontaneous session lamp is 2.80m, in Unit the 6th, the spacing of spontaneous session lamp is 2.55m, and occurred frequently or easily send out within the scope of the length B that section starting point starts from speedway rear-end collision, the spacing of spontaneous session lamp is 2.30m.
Press such scheme, described length A is 300m, and length B is 700m.
Press such scheme, described i is made as 6, and described n is made as 6.
Press such scheme, described spontaneous session lamp is arranged on the original lane line of speedway, and the long limit of spontaneous session lamp center line overlaps with original lane line center line.
Press such scheme, the light color of the luminescent device of described spontaneous session lamp is selected yellow.
Press such scheme, described spontaneous session lamp adopts rectangular patterns, and the length ratio of long limit and minor face is 9:4.
Press such scheme, the brightness of described spontaneous session lamp from speedway rear-end collision occurred frequently or easily send out section before length A start, with every 25 meters promote 4cd/m
2brightness increase progressively; First spontaneous session lamp brightness is 120cd/m
2.
Operating principle of the present invention is: the lifting of brightness can produce the impact of shortening to driver's Distance Judgment, i.e. the brightness of road ahead road lamp raising can make driver produce the perception that front and back car spacing shortens.Thereby adjusting and the spacing of front and back car that driver when driving can be initiatively, improve and the spacing of front and back car.Lay and there is the spontaneous session lamp of responsive edge rate in the track that enters expressway traffic accident multi-happening section based on driver's visual perception edge rate (referring to the edge rate that changes driver's visual perception by the pavement strip of manual change's express highway pavement), driver's subjective edge rate perception is promoted, thereby speed perception is promoted, and then the expectation that underspeeds, control the road speed of vehicle, reach the effect that keeps road speed.
Beneficial effect of the present invention is:
1, the comprehensive Design arranging by brightness regulation and edge rate, improve driver to car spacing judgement in front and back in express highway section driving process, thereby the spacing between ACTIVE CONTROL vehicle and front and back car, before and after ensureing, car spacing remains in national standard scope (safe-stopping sight distance), control the road speed of vehicle on highway, reduce the generating capacity of speedway rear-end collision, comprehensively improve the speedway rear-end collision traffic safety level of sending out section occurred frequently and easy.
2, spontaneous session lamp arranges simply, and raw material economics cost is low, the influential material of environment is not produced.
Brief description of the drawings
Fig. 1 is that the corresponding speedway of different frequency value is set up spontaneous session lamp laying mode schematic diagram.
Detailed description of the invention
Below with specific embodiment, and with reference to accompanying drawing in detail the present invention is described in detail.
Plant the spontaneous session lamp method to set up for reducing speedway rear-end collision, comprise the following steps:
1) occurred frequently in speedway rear-end collision or easily send out on track, section, by ramp edge rate design, spontaneous session lamp is set; Spontaneous session lamp is arranged on the original lane line of speedway, and the long limit of spontaneous session lamp center line overlaps with original lane line center line.
2) luminescent device of described spontaneous session lamp is selected the adjustable OLED illuminating device of luminosity, and its light color is selected yellow.
Described ramp edge rate design is: from speedway rear-end collision occurred frequently or easily send out section before length A start, occurred frequently or easily send out section starting point to speedway rear-end collision, i unit is on average set the 1st to i unit, each cell distance is A/i, the frequency of the spontaneous session lamp in Unit the 1st is n Hz, in Unit the 2nd, the frequency of spontaneous session lamp is n+1 Hz ..., the frequency of the spontaneous session lamp in i unit is n+i-1 Hz; From occurred frequently and easy section starting point of speedway rear-end collision, the frequency of spontaneous session lamp is made as n+i Hz, and laying length is B; In Unit the 1st, the spacing of spontaneous session lamp is 4.65m, in Unit the 2nd, the spacing of spontaneous session lamp is 4.00m, in Unit the 3rd, the spacing of spontaneous session lamp is 3.50m, in Unit the 4th, the spacing of spontaneous session lamp is 3.10m, in Unit the 5th, the spacing of spontaneous session lamp is 2.80m, in Unit the 6th, the spacing of spontaneous session lamp is 2.55m, and occurred frequently or easily send out within the scope of the length B that section starting point starts from speedway rear-end collision, the spacing of spontaneous session lamp is 2.30m.
Drive experimental simulation effect according to lab simulation and debug, preseting length A is that 300m, length B are that 700m, i are 6, n is within 6 o'clock, to be preferred forms.
Spontaneous session lamp adopts rectangular patterns, and the length ratio of long limit and minor face is 9:4, and in the present embodiment, long edge lengths is 45cm, and bond length is 20cm.The brightness of spontaneous session lamp from speedway rear-end collision occurred frequently or easily send out section before length A start, with every 25 meters promote 4cd/m
2brightness increase progressively; First spontaneous session lamp brightness is 120cd/m
2.
Setting up spontaneous session lamp and do not setting up in spontaneous session lamp situation and do lab simulation driving experiment, obtaining the speedway rear-end collision section of sending out occurred frequently and easy and set up spontaneous session lamp and do not set up vehicle vehicular gap comparing result under spontaneous session lamp and see the following form.
The applicant is by the simulated experiment of 3DS MAX scenario simulation, OGRE platform and comprehensive driving analog system, its result is: when the luminescent device of spontaneous session lamp is selected the OLED illuminating device that luminosity can be set as required, before and after car spacing remain on percentage in national standard scope (safe-stopping sight distance) and rise to 94.23% by original 75.84%, road speed drops to 89.56 km/h by 96.34 original km/h.
Claims (7)
1. for reducing a spontaneous session lamp method to set up for speedway rear-end collision, it is characterized in that: it comprises the following steps:
1) occurred frequently in speedway rear-end collision or easily send out on track, section, by ramp edge rate design, spontaneous session lamp is set;
2) luminescent device of described spontaneous session lamp is selected the adjustable OLED illuminating device of luminosity;
Described ramp edge rate design is: from speedway rear-end collision occurred frequently or easily send out section before length A start, occurred frequently or easily send out section starting point to speedway rear-end collision, i unit is on average set the 1st to i unit, i=6, each cell distance is A/i, and the frequency of the spontaneous session lamp in Unit the 1st is n Hz, and in Unit the 2nd, the frequency of spontaneous session lamp is n+1 Hz,, the frequency of the spontaneous session lamp in i unit is n+i-1 Hz; From occurred frequently and easy section starting point of speedway rear-end collision, the frequency of spontaneous session lamp is made as n+i Hz, and laying length is B;
In Unit the 1st, the spacing of spontaneous session lamp is 4.65m, in Unit the 2nd, the spacing of spontaneous session lamp is 4.00m, in Unit the 3rd, the spacing of spontaneous session lamp is 3.50m, in Unit the 4th, the spacing of spontaneous session lamp is 3.10m, in Unit the 5th, the spacing of spontaneous session lamp is 2.80m, in Unit the 6th, the spacing of spontaneous session lamp is 2.55m, and occurred frequently or easily send out within the scope of the length B that section starting point starts from speedway rear-end collision, the spacing of spontaneous session lamp is 2.30m.
2. according to claim 1ly it is characterized in that: described length A is 300m for reducing the spontaneous session lamp method to set up of speedway rear-end collision, length B is 700m.
3. according to claim 1ly it is characterized in that: described i is made as 6 for reducing the spontaneous session lamp method to set up of speedway rear-end collision, described n is made as 6.
According to described in any one in claims 1 to 3 for reducing the spontaneous session lamp method to set up of speedway rear-end collision, it is characterized in that: described spontaneous session lamp is arranged on the original lane line of speedway, the long limit of spontaneous session lamp center line overlaps with original lane line center line.
According to described in any one in claims 1 to 3 for reducing the spontaneous session lamp method to set up of speedway rear-end collision, it is characterized in that: the light color of the luminescent device of described spontaneous session lamp is selected yellow.
According to described in any one in claims 1 to 3 for reducing the spontaneous session lamp method to set up of speedway rear-end collision, it is characterized in that: described spontaneous session lamp adopts rectangular patterns, and the length ratio of long limit and minor face is 9:4.
According to described in any one in claims 1 to 3 for reducing the spontaneous session lamp method to set up of speedway rear-end collision, it is characterized in that: the brightness of described spontaneous session lamp from speedway rear-end collision occurred frequently or easily send out section before length A start, with every 25 meters promote 4cd/m
2brightness increase progressively; First spontaneous session lamp brightness is 120cd/m
2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210238729.3A CN102747697B (en) | 2012-07-11 | 2012-07-11 | Self-illumination road lamp setting method for reducing rear-end accidents on expressway |
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| CN201210238729.3A CN102747697B (en) | 2012-07-11 | 2012-07-11 | Self-illumination road lamp setting method for reducing rear-end accidents on expressway |
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| CN102747697B true CN102747697B (en) | 2014-07-02 |
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| CN110060474B (en) * | 2019-04-12 | 2021-09-24 | 武汉理工大学 | A tunnel dynamic edge rate intelligent speed control system and method |
| CN111223307A (en) * | 2019-11-26 | 2020-06-02 | 长安大学 | A kind of expressway vehicle intelligent prompt guidance system and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0035041A1 (en) * | 1980-02-28 | 1981-09-09 | Otto Christian Kirchberg | Lane-security system for motor vehicles giving optical signals and alarm |
| CA2300291A1 (en) * | 1997-07-29 | 1999-02-11 | Dalmark Technologies Ltd. | Active light emitting road marking system |
| CN1695980A (en) * | 2004-05-14 | 2005-11-16 | 杨尔坚 | Early warning method and signal system for guarding against hitting rear end of automobile |
| DE102004059390A1 (en) * | 2004-12-09 | 2006-06-14 | Frederick Young | Roadway Safety System |
| CN102463950A (en) * | 2010-11-11 | 2012-05-23 | 戴钢 | Multifunctional vehicle rear-end collision prevention safety warning controller |
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2012
- 2012-07-11 CN CN201210238729.3A patent/CN102747697B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0035041A1 (en) * | 1980-02-28 | 1981-09-09 | Otto Christian Kirchberg | Lane-security system for motor vehicles giving optical signals and alarm |
| CA2300291A1 (en) * | 1997-07-29 | 1999-02-11 | Dalmark Technologies Ltd. | Active light emitting road marking system |
| CN1695980A (en) * | 2004-05-14 | 2005-11-16 | 杨尔坚 | Early warning method and signal system for guarding against hitting rear end of automobile |
| DE102004059390A1 (en) * | 2004-12-09 | 2006-06-14 | Frederick Young | Roadway Safety System |
| CN102463950A (en) * | 2010-11-11 | 2012-05-23 | 戴钢 | Multifunctional vehicle rear-end collision prevention safety warning controller |
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