CN113706864A - Reconstruction and extension emergency stop point event detection system and method based on regional radar - Google Patents
Reconstruction and extension emergency stop point event detection system and method based on regional radar Download PDFInfo
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- CN113706864A CN113706864A CN202110933191.7A CN202110933191A CN113706864A CN 113706864 A CN113706864 A CN 113706864A CN 202110933191 A CN202110933191 A CN 202110933191A CN 113706864 A CN113706864 A CN 113706864A
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- 238000001514 detection method Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 230000007774 longterm Effects 0.000 claims description 3
- AWGTVRDHKJQFAX-UHFFFAOYSA-M chloro(phenyl)mercury Chemical compound Cl[Hg]C1=CC=CC=C1 AWGTVRDHKJQFAX-UHFFFAOYSA-M 0.000 claims 2
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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
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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
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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
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
- G08G1/145—Traffic control systems for road vehicles indicating individual free spaces in parking areas where the indication depends on the parking areas
- G08G1/148—Management of a network of parking areas
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Abstract
The invention discloses a reconstruction and extension emergency stop point event detection system and method based on regional radar, wherein the system comprises the following steps: the vehicle detection module is arranged in front of an exit of the reconstruction and extension emergency stop point and is used for detecting the type and the residence time of a vehicle entering the emergency stop point; and the data transmission module is arranged in front of the outlet of the reconstruction and extension emergency stop point, is connected with the vehicle detection module in a wired mode, and is used for transmitting the information detected by the vehicle detection module to the main control computer. The method detects the vehicle event of the emergency stop point, further obtains the related information of the vehicle entering the emergency stop point, and when the grade of the obtained stopping event is first grade, related management personnel can take rescue preparation and record the event; when the grade of the stopping event is second grade, the related management departments only record the event and do safety management work, thereby ensuring the safe and efficient operation of the road.
Description
Technical Field
The invention belongs to the technical field of intelligent traffic, and particularly relates to a system for detecting an event of a reconstruction and extension emergency stop point based on a regional radar, and also relates to a method for detecting an event of a reconstruction and extension emergency stop point based on a regional radar.
Background
At present, the majority of highway reconstruction and expansion in China adopt a traffic-guaranteeing scheme with parallel construction and traffic, which can interfere the normal traffic of the original road, so that the reconstruction and expansion construction area has greater potential safety hazard than the highway running normally.
However, in the existing highway reconstruction and expansion project, since the reconstructed and expanded emergency stop belongs to a temporary road facility, and no corresponding monitoring and detecting facility exists inside the reconstructed and expanded emergency stop, the vehicle events at the emergency stop cannot be accurately detected, further the vehicle events at the reconstructed and expanded emergency stop cannot be counted, the risk of the reconstructed and expanded highway accidents cannot be analyzed in a targeted manner, and the overall safety level of the road is affected. Therefore, it is necessary to detect vehicle events for the emergency stop point of the reconstructed and expanded highway, and further, improve measures for improving the overall safety level of the reconstructed and expanded highway section.
Disclosure of Invention
The invention aims to provide a system for detecting the use state of vehicles at an emergency stop point of a reconstruction and extension expressway, which is based on regional radar.
Another object of the present invention is to provide a method for detecting a rebuilt emergency stop point event based on a regional radar, which can effectively find a vehicle accident of the rebuilt emergency stop point, divide the stop level of the stop event according to the stop time of the vehicle, avoid the detection error caused by the temporary stop of the vehicle, and further improve the overall detection level.
In order to further achieve the purpose, the invention adopts the following technical scheme:
a system for detecting a regional radar-based rebuild emergency stop event, comprising:
the vehicle detection module is arranged in front of an exit of the reconstruction and extension emergency stop point and is used for detecting the type and the residence time of a vehicle entering the emergency stop point;
and the data transmission module is arranged in front of the outlet of the reconstruction and extension emergency stop point, is connected with the vehicle detection module in a wired mode, and is used for transmitting the information detected by the vehicle detection module to the main control computer.
Optionally, the vehicle detection module adopts a CSR-LN traffic flow area radar; the data transmission module adopts TAS-NB-160.
The system solves the technical problem and difficulty that the emergency stop point cannot clearly define specific use conditions in the existing expressway rebuilding and expansion process, and can realize real-time detection of vehicle events in the emergency stop point. Compared with the existing mode of driver active alarm, the system can realize automatic detection and improve emergency efficiency.
Correspondingly, the invention also claims a method for detecting the rebuilding and expansion emergency stop point event based on the regional radar, which adopts the rebuilding and expansion emergency stop point event detection system based on the regional radar and comprises the following steps:
step 1: the vehicle detection module detects the type and the residence time of the vehicle in the current reconstruction and extension emergency stop point and transmits the type and the residence time to the data transmission module;
step 2: the data transmission module calculates and obtains the vehicle stopping event according to the acquired vehicle type and the vehicle stopping time, classifies the vehicle stopping event, indicates that the vehicle is in a long-term stopping state when the vehicle is in the first stage, indicates that the vehicle is in a short-term stopping state when the vehicle is in the second stage, and transmits the information to the main control computer.
Further, the data transmission module in step 2 calculates and obtains the grade of the vehicle stop event according to the acquired vehicle type information and the vehicle stop time information, as shown in the following table:
wherein x is the short term maximum dwell time of the medium and large vehicle and x1 is the short term maximum dwell time of the small vehicle.
Further, x is 300S, and x1 is 600S.
Further, the information transmitted in step 2 is:
data＝{A，B，C}
the data is a data packet sent by the data transmission module, A is a detected vehicle type, B is vehicle stopping time, and C is a vehicle stopping event grade.
The method divides the stay grade of the stay event according to the stay time of the vehicle, divides different stay time standards according to the vehicle type, avoids the detection error caused by the temporary stay of the vehicle, and further improves the overall detection level.
Compared with the prior art, the invention has the following beneficial effects: the grade of the current stopping event of the vehicle is confirmed by changing and expanding the vehicle type and the vehicle stopping time of the emergency stopping point, and the information is transmitted to the main control computer, so that the relevant improvement measures are conveniently taken for improvement, and the overall safety level of the road is improved.
Drawings
FIG. 1 is a schematic layout of a detection system according to the present invention;
FIG. 2 is a block diagram of the steps of the detection method of the present invention.
Detailed Description
For the purpose of facilitating the understanding and practice of the present invention, as will be described in further detail below with reference to the accompanying drawings and examples, it is to be understood that the examples described herein are for purposes of illustration and explanation, and are not intended to limit the invention.
In the embodiment of the present invention, the high speed of the Guangdong Kaiyang is taken as an example, and the present invention is further explained with reference to fig. 1-2.
Example 1. A system for detecting a regional radar-based re-establishment emergency stop event, as shown in fig. 1, comprising: a vehicle detection module and a data transmission module are arranged in front of an exit of a reconstruction and extension emergency stop point, and the vehicle detection module is connected with the data transmission module in a wired mode;
the vehicle detection module is used for detecting the type and the stay time of a vehicle entering the emergency stop point;
the data transmission module is used for transmitting the information detected by the vehicle detection module to the main control computer.
In the invention, the vehicle detection module adopts a CSR-LN traffic flow area radar; the data transmission module adopts TAS-NB-160.
By adopting the system, the technical problem and difficulty that the emergency stop point cannot clearly define specific use conditions in the existing expressway rebuilding and expansion process are solved, and the real-time detection of vehicle events in the emergency stop point can be realized. Compared with the existing mode of driver active alarm, the system can realize automatic detection and improve emergency efficiency.
Example 2. A method for detecting an event of rebuilding and expanding an emergency stop point based on a regional radar, as shown in fig. 2, includes the following steps:
step 1: the vehicle detection module detects the type and the residence time of the vehicle in the current reconstruction and extension emergency stop point and transmits the type and the residence time to the data transmission module;
step 2: the data transmission module calculates and obtains the vehicle stopping event according to the acquired vehicle type and the vehicle stopping time, classifies the vehicle stopping event, indicates that the vehicle is in a long-term stopping state when the vehicle is in the first stage, indicates that the vehicle is in a short-term stopping state when the vehicle is in the second stage, and transmits the information to the main control computer.
Preferably, the data transmission module in step 2 calculates and obtains the grade of the vehicle stop event according to the acquired vehicle type information and the acquired vehicle stop time information. The details are shown in table 1 below:
TABLE 1
Where x is the short term maximum dwell time of the medium and large vehicle and x1 is the short term maximum dwell time of the small vehicle. By empirical analysis, x takes 300S and x1 takes 600S.
The information transmitted in step 2 is:
data＝{A，B，C}
the data is a data packet sent by the data transmission module, A is a detected vehicle type, B is vehicle stopping time, and C is a vehicle stopping event grade.
After the main control computer obtains the grade of the stay event, when the stay event is a first-grade event, relevant management personnel can take rescue preparation and record the event; when the stopping event is a secondary event, the related management departments only record the event and do safety management work, and do not prepare for emergency rescue.
It should be understood that the above description of the preferred embodiments is given for clarity and not for any purpose of limitation, and that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A system for detecting a rebuilt emergency stop event based on regional radar, comprising:
the vehicle detection module is arranged in front of an exit of the reconstruction and extension emergency stop point and is used for detecting the type and the residence time of a vehicle entering the emergency stop point;
and the data transmission module is arranged in front of the outlet of the reconstruction and extension emergency stop point, is connected with the vehicle detection module in a wired mode, and is used for transmitting the information detected by the vehicle detection module to the main control computer.
2. The system for detecting a regional radar-based rebuild emergency stop spot event according to claim 1, wherein the vehicle detection module employs a CSR-LN traffic flow regional radar; the data transmission module adopts TAS-NB-160.
3. A method for detecting an event of a re-establishing and expanding emergency stop point based on a regional radar, which adopts the system for detecting an event of a re-establishing and expanding emergency stop point based on a regional radar in claim 1 or 2, and is characterized by comprising the following steps:
step 1: the vehicle detection module detects the type and the residence time of the vehicle in the current reconstruction and extension emergency stop point and transmits the type and the residence time to the data transmission module;
step 2: the data transmission module calculates and obtains the vehicle stopping event according to the acquired vehicle type and the vehicle stopping time, classifies the vehicle stopping event, indicates that the vehicle is in a long-term stopping state when the vehicle is in the first stage, indicates that the vehicle is in a short-term stopping state when the vehicle is in the second stage, and transmits the information to the main control computer.
4. The regional radar-based re-establishment emergency stop spot event detection method according to claim 3,
the data transmission module in the step 2 calculates according to the acquired vehicle type information and the acquired vehicle stay time information to obtain the grade of the vehicle stay event, which is shown in the following table:
wherein x is the short term maximum dwell time of the medium and large vehicle and x1 is the short term maximum dwell time of the small vehicle.
5. The method for detecting the regional radar-based re-establishment emergency stop point event according to claim 4, wherein x is 300S, and x1 is 600S.
6. The method for detecting a regional radar-based re-establishment emergency stop point event according to claim 3, wherein the information transmitted in step 2 is:
data＝{A，B，C}
the data is a data packet sent by the data transmission module, A is a detected vehicle type, B is vehicle stopping time, and C is a vehicle stopping event grade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110933191.7A CN113706864A (en) | 2021-08-12 | 2021-08-12 | Reconstruction and extension emergency stop point event detection system and method based on regional radar |
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| CN202110933191.7A CN113706864A (en) | 2021-08-12 | 2021-08-12 | Reconstruction and extension emergency stop point event detection system and method based on regional radar |
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| US9805601B1 (en) * | 2015-08-28 | 2017-10-31 | State Farm Mutual Automobile Insurance Company | Vehicular traffic alerts for avoidance of abnormal traffic conditions |
| CN109461325A (en) * | 2018-10-29 | 2019-03-12 | 交通运输部公路科学研究所 | A kind of safe joint control system and method in construction of the highway area |
| CN208861469U (en) * | 2018-09-07 | 2019-05-14 | 浙江省公安厅高速公路交通警察总队台州支队 | Highway stops in emergency the detection alarm system of band |
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2021
- 2021-08-12 CN CN202110933191.7A patent/CN113706864A/en active Pending
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|---|---|---|---|---|
| US9805601B1 (en) * | 2015-08-28 | 2017-10-31 | State Farm Mutual Automobile Insurance Company | Vehicular traffic alerts for avoidance of abnormal traffic conditions |
| CN105427618A (en) * | 2015-12-18 | 2016-03-23 | 清华大学 | Method and system for warning in case of vehicle's occupation of emergency parking strip |
| CN107066929A (en) * | 2017-01-06 | 2017-08-18 | 重庆大学 | The manifold freeway tunnel Parking hierarchical identification method of one kind fusion |
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Application publication date: 20211126 |