CN114944046A - Road risk prediction analysis method and anti-collision warning device - Google Patents
Road risk prediction analysis method and anti-collision warning device Download PDFInfo
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- CN114944046A CN114944046A CN202210421711.0A CN202210421711A CN114944046A CN 114944046 A CN114944046 A CN 114944046A CN 202210421711 A CN202210421711 A CN 202210421711A CN 114944046 A CN114944046 A CN 114944046A
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- 238000004458 analytical method Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 6
- 238000004146 energy storage Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000012502 risk assessment Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 14
- 238000013459 approach Methods 0.000 abstract description 3
- 238000004364 calculation method Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B31/00—Predictive alarm systems characterised by extrapolation or other computation using updated historic data
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
- G08G1/0129—Traffic data processing for creating historical data or processing based on historical data
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
Abstract
The invention provides a road risk prediction analysis method and an anti-collision warning device, wherein the method comprises the following steps: s1, selecting a working lane as required, and setting the range of an anti-collision warning area and a warning speed threshold; s2, setting a lane adjacent to the operation lane as an overspeed detection alarm area, and setting a speed limit threshold; s3, taking the lane width direction as the X-direction coordinate of the radar scanning surface, and taking the early warning distance of the anti-collision warning area along the lane direction as the Y-direction coordinate of the radar scanning surface; s3, starting radar scanning and analyzing scanning data; and S4, alarming the data meeting the judgment condition. The device includes an early warning machine and a portable warning device in communication with the early warning machine. The invention sets corresponding judgment conditions according to different road conditions, obtains the corresponding warning level of the coming vehicle through data calculation, sends a warning to maintenance personnel in time when the vehicle approaches or runs abnormally, wins the risk avoiding time and ensures the life safety of the road maintenance personnel.
Description
Technical Field
The invention belongs to the road construction safety protection technology, and particularly relates to a road risk prediction analysis method and an anti-collision warning device.
Background
When maintenance work is carried out on a highway, road maintenance personnel have to face a rapid traffic flow, the surrounding environment is difficult to be considered when the road maintenance personnel concentrate on the work, once a driver is distracted or the operation is not proper, accidents are easy to cause, and great potential safety hazards exist. In order to guarantee the life safety of road maintenance personnel, a warning device capable of sensing an incoming vehicle is arranged, and when the vehicle approaches or runs abnormally, a warning is sent to the maintenance personnel in time so as to win the risk avoiding time.
Disclosure of Invention
Based on the problems mentioned in the background technology, the invention provides a road risk prediction analysis method and an anti-collision warning device, which are specifically realized by the following technical means:
the road risk prediction analysis method comprises the following steps:
s1, selecting a working lane as required, and setting the range of an anti-collision warning area and a warning speed threshold;
s2, setting a lane adjacent to the operation lane as an overspeed detection alarm area, and setting a speed limit threshold;
s3, taking the lane width direction as the X-direction coordinate of the radar scanning surface, and taking the early warning distance of the anti-collision warning area along the lane direction as the Y-direction coordinate of the radar scanning surface;
s3, starting radar scanning and analyzing scanning data, wherein the following judgment conditions exist:
the method comprises the following steps that under the condition one, when a target vehicle is located in a current operation lane or an adjacent lane and the speed of the target vehicle exceeds a speed limit threshold, the target vehicle is listed as an early warning target;
the second condition is that when the target vehicle is located in an anti-collision warning area in the current operation lane and the speed of the target vehicle exceeds the warning speed threshold value, the target vehicle is listed as a warning target;
if the target vehicle is located in an anti-collision warning area in the current operation lane, calculating collision time T1 according to the speed of the target vehicle and the Y-direction length of the anti-collision warning area, calculating the safety response and braking time T2 of the target vehicle according to the speed of the target vehicle, and comparing the safety response and braking time T2, if T2 is greater than T1, listing the target vehicle as a dangerous target;
and S4, if any condition in the step S3 is met, alarming is carried out, and the alarming mode includes but is not limited to an acoustic/optical alarming device carried by the early warning machine or/and a portable alarming device which is communicated with the early warning machine and worn on the operator.
The anti-collision warning device comprises a pre-warning machine and a portable warning device communicated with the pre-warning machine, wherein the pre-warning machine and the portable warning device are used for executing the road risk prediction analysis method, and the pre-warning machine comprises a machine body, a control main board positioned in the machine body, a communication device, an energy storage battery and at least one scanning radar.
The invention has the beneficial effects that: the method comprises the steps of setting corresponding anti-collision alarm area ranges, alarm speed threshold values, overspeed detection alarm areas and speed limit threshold values according to different road conditions (such as expressways, municipal roads and the like), obtaining corresponding alarm levels (without alarms, early warning targets, alarm targets and dangerous targets) of coming vehicles through data calculation, timely sending alarms to maintenance personnel when the vehicles approach or run abnormally, winning danger-avoiding time and guaranteeing the life safety of the road maintenance personnel.
Drawings
FIG. 1 is a schematic diagram of lane and collision avoidance warning area division according to the present invention.
Fig. 2 is a schematic view of the internal structure of the anti-collision warning device of the invention.
Detailed Description
The scheme of the application is further described by the following combined drawings:
referring to fig. 1, the method for estimating and analyzing road risk includes the following steps:
s1, selecting a working lane L1 as required, and setting the range of a collision avoidance warning area D1 and a warning speed threshold value; in this embodiment, the anti-collision warning area D1 is preferably a rectangular area surrounded by the maximum distance in the X direction and the maximum distance in the Y direction, and located in front of the warning device 1;
s2, setting a lane L2 adjacent to the working lane L1 as an overspeed detection alarm area D2 and setting a speed limit threshold;
s3, taking the lane width direction as the X-direction coordinate of the radar scanning surface, and taking the early warning distance of the anti-collision warning area D1 along the lane direction as the Y-direction coordinate of the radar scanning surface;
s3, starting radar scanning and analyzing scanning data, wherein the following judgment conditions exist:
the method comprises the following steps that firstly, when a target vehicle is located in a current operation lane L1 or an adjacent lane L2 and the speed of the target vehicle exceeds a speed limit threshold value, the target vehicle is listed as an early warning target;
the second condition is that when the target vehicle is located in a collision avoidance warning area D1 in the current working lane L1 and the speed of the target vehicle exceeds the warning speed threshold value, the target vehicle is listed as a warning target;
if the target vehicle is located in a collision avoidance warning area D1 in the current operation lane L1, calculating collision time T1 according to the speed of the target vehicle and the Y-direction length of the collision avoidance warning area, calculating the speed of the target vehicle and comparing the safety response and braking time T2 of the target vehicle, and if T2 is greater than T1, listing the target vehicle as a dangerous target;
and S4, if any condition in the step S3 is met, alarming is carried out, and the alarming mode comprises but is not limited to an acoustic/optical alarming device carried by the early warning machine 1 or/and a portable alarming device 2 which is communicated with the early warning machine 1 and worn on the body of the operator, and the portable alarming device 2 sends out sound wave or/and vibration alarming. In this embodiment, the portable warning device 2 is preferably an electronic bracelet in communication with the early warning device 1, and the early warning device 1 sends an instruction to the electronic bracelet to make the electronic bracelet generate sound or vibrate to realize warning.
The warning modes of the early warning target, the warning target and the dangerous target are different, so that maintenance personnel can conveniently and quickly identify the early warning target, the warning target and the dangerous target according to the senses, for example: the alarm is given by different sounds or different volumes of the sound/light alarm device of the early warning machine 1; or/and to alarm with different sounds or different volumes of the portable alarm device 2; sequentially increasing the sound frequency or volume of the early warning target, the warning target and the dangerous target to draw the attention of maintenance personnel; for another example, the portable warning device 2 is used for warning by means of vibration with different frequencies, and since the portable warning device is worn on the maintenance personnel, the vibration is a very effective warning mode, and the vibration frequencies of the early warning target, the warning target and the dangerous target are sequentially increased, so that the maintenance personnel can respond subconsciously according to the vibration sense.
The anti-collision warning area D1 adopts a rectangular area boundary, and can more sensitively capture the situations of target vehicle deviation, lane change, line pressing and the like compared with a fan-shaped area boundary, so that the judgment accuracy is improved.
Referring to fig. 2, the anti-collision warning device includes a pre-warning machine 1 and a portable warning device 2 communicating with the pre-warning machine 1, the pre-warning machine 1 and the portable warning device 2 are used for executing the above-mentioned road risk prediction analysis method, the pre-warning machine 1 includes a machine body 11, a control main board 12 located in the machine body 11, a communication device 13, an energy storage battery 14, and at least one scanning radar 15, and the machine body 11 is provided with a display screen 16 and an operation key 17. Maintenance personnel can conveniently set the ranges of the operation lane L1 and the anti-collision alarm area D1, the alarm speed threshold, the overspeed detection alarm area and the speed limit threshold through the display screen 16 and the operation keys 17, so that the early warning machine 1 is set to be suitable for the current road condition, meanwhile, in order to better adapt to outdoor operation, power is specially supplied through the energy storage battery 14, and other power generation equipment does not need to be arranged. The communication device 13 can be connected with the portable alarm device 2 (electronic bracelet), and can also comprise a 3G/4G module to realize operation scanning data uploading operation.
The above preferred embodiments should be considered as examples of the embodiments of the present application, and technical deductions, substitutions, improvements and the like similar to, similar to or based on the embodiments of the present application should be considered as the protection scope of the present patent.
Claims (8)
1. A road risk prediction analysis method is characterized by comprising the following steps:
s1, selecting a working lane as required, and setting the range of an anti-collision warning area and a warning speed threshold;
s2, setting a lane adjacent to the operation lane as an overspeed detection alarm area, and setting a speed limit threshold;
s3, taking the lane width direction as the X-direction coordinate of the radar scanning surface, and taking the early warning distance of the anti-collision warning area along the lane direction as the Y-direction coordinate of the radar scanning surface;
s3, starting radar scanning and analyzing the scanning data, wherein the following judgment conditions exist:
the method comprises the following steps that under the condition one, when a target vehicle is located in a current operation lane or an adjacent lane and the speed of the target vehicle exceeds a speed limit threshold, the target vehicle is listed as an early warning target;
the second condition is that when the target vehicle is located in an anti-collision warning area in the current operation lane and the speed of the target vehicle exceeds the warning speed threshold value, the target vehicle is listed as a warning target;
if the target vehicle is located in an anti-collision warning area in the current operation lane, calculating collision time T1 according to the speed of the target vehicle and the Y-direction length of the anti-collision warning area, calculating the safety response and braking time T2 of the target vehicle according to the speed of the target vehicle, and comparing the safety response and braking time T2, if T2 is greater than T1, listing the target vehicle as a dangerous target;
and S4, if any condition in the step S3 is met, alarming is carried out, and the alarming mode includes but is not limited to an acoustic/optical alarming device carried by the early warning machine or/and a portable alarming device which is communicated with the early warning machine and worn on the operator.
2. The road risk prediction analysis method according to claim 1, wherein the anti-collision warning area is a rectangular area surrounded by the maximum distance in the X direction and the maximum distance in the Y direction and located in front of the early warning machine.
3. The method for pre-estimation and analysis of road risk as claimed in claim 1, wherein the portable warning device emits sound wave or/and vibration warning.
4. The method for pre-estimation and analysis of road risk according to claim 1, wherein the portable warning device is an electronic bracelet in communication with a pre-warning machine.
5. The road risk prediction analysis method according to claim 1, wherein the warning modes of the early warning target, the warning target and the dangerous target are different, and the method comprises the following steps:
the alarm is given by different sounds or different volumes of the sound/light alarm device of the early warning machine; or/and
the portable alarm device alarms according to different sounds or different sound volumes; or/and
the portable warning device is used for warning by vibrating at different frequencies.
6. A collision avoidance warning device comprising an early warning engine and a portable warning device in communication with the early warning engine, the early warning engine and the portable warning device being configured to perform the method of predictive road risk analysis of any one of claims 1 to 5.
7. The pre-crash alert device as recited in claim 6, wherein the pre-warning machine comprises a body, a control board located within the body, a communication device, an energy storage battery, and at least one scanning radar.
8. The anti-collision warning device according to claim 7, wherein a display screen and operation keys are provided on the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210421711.0A CN114944046A (en) | 2022-04-21 | 2022-04-21 | Road risk prediction analysis method and anti-collision warning device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210421711.0A CN114944046A (en) | 2022-04-21 | 2022-04-21 | Road risk prediction analysis method and anti-collision warning device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125076A (en) * | 2016-07-13 | 2016-11-16 | 南京慧尔视智能科技有限公司 | A kind of Anticollision Radar method for early warning being applied to urban transportation and device |
| KR101762126B1 (en) * | 2016-12-08 | 2017-07-27 | 한국건설기술연구원 | Danger Avoidance System of Road Worker and Method Thereof |
| CN109987046A (en) * | 2019-04-16 | 2019-07-09 | 南京理工大学 | Automobile door opening anti-collision early warning method and device with active safety |
| CN111325945A (en) * | 2020-02-28 | 2020-06-23 | 长安大学 | Road construction area safety early warning device and method |
| CN111681426A (en) * | 2020-02-14 | 2020-09-18 | 深圳市美舜科技有限公司 | Method for perception and evaluation of traffic safety road conditions |
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2022
- 2022-04-21 CN CN202210421711.0A patent/CN114944046A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125076A (en) * | 2016-07-13 | 2016-11-16 | 南京慧尔视智能科技有限公司 | A kind of Anticollision Radar method for early warning being applied to urban transportation and device |
| KR101762126B1 (en) * | 2016-12-08 | 2017-07-27 | 한국건설기술연구원 | Danger Avoidance System of Road Worker and Method Thereof |
| CN109987046A (en) * | 2019-04-16 | 2019-07-09 | 南京理工大学 | Automobile door opening anti-collision early warning method and device with active safety |
| CN111681426A (en) * | 2020-02-14 | 2020-09-18 | 深圳市美舜科技有限公司 | Method for perception and evaluation of traffic safety road conditions |
| CN111325945A (en) * | 2020-02-28 | 2020-06-23 | 长安大学 | Road construction area safety early warning device and method |
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