CN109979199A - What a kind of intersection traffic slime flux did well automatically terminates method - Google Patents
What a kind of intersection traffic slime flux did well automatically terminates method Download PDFInfo
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- CN109979199A CN109979199A CN201910285049.9A CN201910285049A CN109979199A CN 109979199 A CN109979199 A CN 109979199A CN 201910285049 A CN201910285049 A CN 201910285049A CN 109979199 A CN109979199 A CN 109979199A
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- intersection
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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
-
- 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
- G08G1/0133—Traffic data processing for classifying traffic situation
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/08—Controlling traffic signals according to detected number or speed of vehicles
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
Abstract
The invention discloses what a kind of intersection traffic slime flux did well to automatically terminate method, include the following steps: Step 1: semaphore runs to phase terminate before empty；Step 2: the traffic conditions in query region, if the case where there are spillings；Step 3: when the traffic conditions in query region do not exist, when overflowing situation, semaphore continues to run next phase by original scheme；When the traffic conditions in query region, which exist, overflows situation, its semaphore pauses at empty, then step 2 process is repeated, until overflow status releases, when intersection empty in this way before semaphore runs to phase and terminates, whether inquiry overflows, and the checkout time (four sides red light) that can remove state to the traffic flow before the Phase-switching of intersection is automatically adjusted, it can be automatically terminated to reach after traffic flow is overflowed, it is therefore prevented that knotting (deadlock) phenomenon caused by intersection is overflowed because of traffic flow.
Description
Technical field
The present invention relates to what a kind of intersection traffic slime flux did well to automatically terminate method.
Background technique
With the increase of transport need, city road network often shows the oversaturated traffic behavior of height at present, is intersecting
Wait in line current vehicle at mouthful constantly to accumulate, and since the spacing between partial intersection mouth is shorter, in peak period, be easy
Occur causing to be lined up the phenomenon that spilling into upstream crossing due to signal control, when vehicle queue is long team's spillover occurs, row
The vehicle that team overflows can hinder the operation of other direction vehicles of intersection, will lead to intersection " deadlock " when serious, cause traffic
Congestion.In order to solve the traffic congestion thus caused, the traffic efficiency of road network is improved, what a kind of intersection traffic slime flux did well
The method of automatically terminating is particularly important.
Summary of the invention
(1) technical problems to be solved
The technical problem to be solved in the present invention is to provide a kind of intersections before semaphore runs to phase and terminates to empty
Intersection empty time when state, detecting whether to overflow, and can be replaced by dynamic adjustment phase place, to reach
After intersection traffic slime flux goes out (vehicle is trapped in intersection), do not sent out with the situation of next phase traffic flow knotting (deadlock)
It is raw, overflow status can be automatically terminated, what a kind of intersection traffic slime flux for working normally it did well automatically terminates method.
(2) technical solution
In order to solve the above technical problems, the present invention provide that a kind of intersection traffic slime flux does well automatically terminate method,
Include the following steps:
Step 1: semaphore runs to phase terminate before empty；
Step 2: the traffic conditions in query region, if the case where there are spillings；
Step 3: semaphore presses original scheme when the traffic conditions in query region do not exist and overflow situation
Continue to run next phase；When the traffic conditions in query region, which exist, overflows situation, semaphore pauses at empty,
Then step 2 process is repeated, until overflow status releases.
Further, detection module is contained in step 2, when empty before semaphore runs to phase and terminates,
Detection module detects the traffic conditions in the detection zone of its intersection.
Further, the signal processing module that setting is matched with detection module, the data of detection are contained in step 3
It send to signal processing module and performs corresponding processing, then judge that the center crossing in detection zone is by signal processing module
No spilling, if it is not, then detection module still works normally and the traffic feelings in the detection zone of real-time detection intersection
Condition, if it is, its intersection center spill over is delivered in semaphore by signal processing module.
It further, further include following steps after step 3,
When intersection empty before semaphore runs to phase and terminates, number that semaphore is transmitted by detection module
It is believed that breath is inquired, whether inquiry intersection is occurring overflow situation, does not such as have overflow, then semaphore continues to execute
Next phase of current demand signal control program；If there is overflow situation occurs, then semaphore pauses at the intersection empty,
Overflow situation is waited to release, at this point, semaphore can send " congestion ahead to the Traffic information demonstration screen of each export direction in intersection
No entry " traffic information, after intersection overflow situation releasing after, semaphore then continues to execute the next of signal timing plan
Phase, at this point, cancelling the traffic information of " No entry for congestion ahead " of the Traffic information demonstration screen of each export direction in intersection.
Further, the semaphore includes four sides red light module, communication module and PGC demodulation module, and road occurs and overflows
Situation, when semaphore receives the center spill over of signal processing module, four sides red light can be to the periphery of Center Road mouthful spilling
It carries out road to empty, its data-signal is then delivered to by PGC demodulation module by communication module, then by PGC demodulation mould
It is all this point of red light that block, which is locked in towards that direction of spilling, last waiting signal processing module send overflow ring off signal to
Four sides red light is released in semaphore, continues to run it by former scheme.
Further, the road of the four sides red light empties the time as the 1 second+dynamic spilling releasing time, and 1 second is fixed
, and overflowing the releasing time is to change, the time is 0 when non-spill.
It further, further include traffic hub control platform, when the Signalized control scheme in semaphore runs to phase knot
When intersection wagon flow empty before beam, whether active inquiry intersection currently has spilling situation, if current overflow
Situation is occurring, then the Signalized control scheme in semaphore can suspend (locking) and empty shape in the intersection wagon flow of the phase
State, the general performance state are to light four sides red light, then four sides red light intersection can be had passed past the vehicle of stop line into
Row empties, and releases until intersection central area is overflowed, meanwhile, signal processing module also can be by its intersection center overflow status
The control platform that traffic control center is reported to by network notifies the administrative staff at center, is monitored and according to the situation
Make corresponding processing.
Further, the detection module is intersection overflow sensor, which uses video camera
Or microwave radar is analyzed and is located as the input data that the front-end detection unit of traffic flow modes sensor will test unit
Reason, testing result are connected in a manner of level or data frame with crossing traffic signal controlling machine.
(3) beneficial effect
Compared with prior art, the beneficial effect is that:
What a kind of intersection traffic slime flux provided by the present invention did well automatically terminates method, when semaphore runs to phase
Position terminate before intersection empty when, detect whether to overflow, and can by dynamic adjustment phase place alternating when intersection it is clear
The dummy status time empties the vehicle that stop line is had passed past in intersection smoothly, to reach after intersection traffic slime flux goes out
(vehicle is trapped in intersection), does not occur with the situation of next phase traffic flow knotting (deadlock), and this method does not need manually
Intervene, be a kind of method for automatically terminating intersection traffic slime flux and doing well, this method can be effectively prevented traffic flow knotting
(deadlock) and local road traffic paralysis.
Detailed description of the invention
Fig. 1 is a kind of specific detection stream of embodiment for automatically terminating method that intersection traffic slime flux does well of the present invention
Journey schematic diagram.
Fig. 2 is a kind of embodiment integral frame structure for automatically terminating method that intersection traffic slime flux does well of the present invention
Schematic diagram.
Fig. 3 is a kind of embodiment schematic diagram of a scenario for automatically terminating method that intersection traffic slime flux does well of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example cannot be used to limit the scope of the invention for illustrating the present invention.
Embodiment
As shown in Figure 1, a kind of intersection traffic slime flux provided by the present invention mentioned do well automatically terminate method, including
Following steps:
Step 1: semaphore runs to phase terminate before empty；
Step 2: the traffic conditions in query region, if the case where there are spillings；
Step 3: semaphore presses original scheme when the traffic conditions in query region do not exist and overflow situation
Continue to run next phase；When the traffic conditions in query region, which exist, overflows situation, semaphore suspends empty, so
Step 2 process is repeated afterwards, until overflow status releases.
As Figure 2-3, detection module is contained in step 2, the empty before semaphore runs to phase and terminates
When, detection module detects the traffic conditions in the detection zone of its intersection, contains and detection in step 3
Module matches the signal processing module of setting, and the data of detection, which are sent to signal processing module, to be performed corresponding processing, then
Judge whether the center crossing in detection zone overflows by signal processing module, if it is not, then detection module or normal
The traffic conditions to work in the simultaneously detection zone of real-time detection intersection, if it is, signal processing module overflows its center
Signal is delivered in semaphore out, further includes following steps after step 3, the friendship before semaphore runs to phase and terminates
When prong empty, the data information that semaphore is transmitted by detection module is inquired again whether intersection returns
Situation is overflowed in raw traffic flow, does not such as have overflow, then semaphore continues to execute next phase of current demand signal control program, such as
Fruit has overflow situation, then semaphore pauses at the intersection empty, waits overflow situation to release, at this point, semaphore
The traffic information that " No entry for front spilling " can be sent to the Traffic information demonstration screen of each export direction in intersection, to intersection
After overflow situation releases, semaphore then continues to execute next phase of signal timing plan, at this point, cancelling each exporter in intersection
To Traffic information demonstration screen " front overflow No entry " traffic information, the semaphore include four sides red light module,
Communication module and PGC demodulation module occur road and overflow situation, and the traffic flow that semaphore inquires signal processing module is overflowed
When signal, the periphery that four sides red light can overflow Center Road mouthful carries out road and empties, and then passes through communication module for its data
Signal is delivered to PGC demodulation module, is then locked in the empty, inquiry and waiting signal processing by PGC demodulation module
The spilling ring off signal that module is sent, when inquiring spilling ring off signal, semaphore terminates empty (four sides red light), makes
It is continued to run by the NextState of former scheme, the road of the four sides red light empty the time be 1 second+overflow status release when
Between, further include traffic hub control platform, overflows situation when road occurs, semaphore operation has intersection empty mark
Will makes its presentation pause at empty, which is to light four sides red light, and then four sides red light can be to center
The periphery that crossing is overflowed carries out road and empties, and will then be locked in the intersection wagon flow empty in the phase, waits and handing over
Prong overflow status releases, meanwhile, signal processing module can also be reported to its intersection spill over traffic hub control flat
Platform notifies traffic hub personnel, allows its traffic hub personnel to be monitored and makes corresponding processing, the inspection according to the situation
Survey module is intersection overflow sensor, and the intersection overflow sensor is using video camera or microwave radar as traffic flow shape
The input data that the front-end detection unit of state sensor will test unit is analyzed and is handled, and testing result is with level and data
The mode of frame exports.
What a kind of intersection traffic slime flux provided by the present embodiment did well automatically terminates method, can work as semaphore
When intersection empty before running to phase and terminating, whether inquiry overflows, and can be adjusted automatically to center overflow area
It is whole, make its normal work to reach and can automatically terminate spill over after dredging is overflowed.
Specifically, as shown in Figure 1-3, when empty before semaphore runs to phase and terminates, intersection overflow
Sensor detects the traffic conditions in the detection zone of its intersection, and the data then inquired are delivered to letter
Number processing module；The data of inquiry, which are sent to signal processing module, to be performed corresponding processing, and judges to examine by signal processing module
Whether the center crossing surveyed in region overflows, if it is not, then intersection overflow sensor still works normally, to intersection
Detection zone in traffic conditions detected, if it is, its center spill over is delivered to letter by signal processing module
In number machine；When semaphore receives the center spill over of signal processing module, semaphore lights four sides red light, and then four is flushing
The periphery that lamp can overflow crossing center carries out road and empties, and the time that road empties is that 1 second+overflow status releases the time, with
Will be locked in afterwards towards that direction of spilling is all this point of red light, and center overflow area is waited to carry out spilling releasing；Work as hair
Raw road overflows situation, and it is all this point of red light, then intersection overflow that four sides red light, which is locked in towards that direction of spilling,
Sensor automatically adjusts processing to the spilling situation of center overflow area in this time, after the completion of automatic adjustment processing
Intersection overflow sensor, which can inquire the spilling situation of center overflow area in this time and judge whether to release, to overflow
Out, it is delivered to signal processing module if it is, spill over will be released and spilling ring off signal is sent by signal processing module
Intersection empty is started over after semaphore receives spilling releasing letter to semaphore, continues next phase operation, when
Semaphore runs to phase terminate before intersection empty when, semaphore is by intersection central overflow sensor transmissions
Data information carries out whether inquiry intersection again intersection overflow situation occurs, does not such as have overflow, then semaphore continues
Next phase of current demand signal control program is executed, if there is overflow situation still occurs, then it is clear to pause at the intersection for semaphore
Dummy status, until overflow status releases, at this point, semaphore can be sent to the Traffic information demonstration screen of each export direction in intersection
The traffic signals of " No entry for front spilling ", after the releasing of intersection overflow status, semaphore then continues to execute signal control
Next phase of scheme, at this point, cancelling " No entry for front spilling " of the Traffic information demonstration screen of each export direction in intersection
Traffic signals.
The above is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. what a kind of intersection traffic slime flux did well automatically terminates method, which comprises the steps of:
Step 1: semaphore runs to phase terminate before empty；
Step 2: the traffic conditions in query region, if the case where there are spillings；
Step 3: semaphore is continued by original scheme when the traffic conditions in query region do not exist and overflow situation
Run next phase；When the traffic conditions in query region, which exist, overflows situation, semaphore pauses at the empty, so
Step 2 process is repeated afterwards, until overflow status releases.
2. what a kind of intersection traffic slime flux according to claim 1 did well automatically terminates method, which is characterized in that
Contain detection module in step 2, when empty before semaphore runs to phase and terminates, detection module intersects it
The traffic conditions in detection zone at mouthful are inquired.
3. what a kind of intersection traffic slime flux according to claim 1 did well automatically terminates method, which is characterized in that
Containing matching the signal processing module of setting with detection module in step 3, the data of detection send to signal processing module into
The corresponding processing of row, then judges whether overflow at the crossing center in detection zone by signal processing module, if it is not,
Then detection module still works normally the traffic conditions in the simultaneously detection zone of real-time detection intersection, if it is, signal
Its center spill over is delivered in semaphore by processing module.
4. what a kind of intersection traffic slime flux according to claim 1 did well automatically terminates method, which is characterized in that
It further include following steps after step 3, when intersection empty before semaphore runs to phase and terminates, semaphore is logical
Cross detection module transmission data information inquired again the intersection whether generative center overflow situation, such as without overflow hair
Raw, then semaphore continues to execute next phase of current demand signal control program, and if there is overflow situation occurs, then semaphore suspends
In the intersection empty, overflow situation is waited to release, at this point, semaphore can be to the traffic information of each export direction in intersection
Publication screen sends the traffic signals of " No entry for front spilling ", and after the releasing of intersection overflow situation, semaphore then continues to hold
Next phase of row signal timing plan, at this point, cancelling " overflowing in front for the Traffic information demonstration screen of each export direction in intersection
No entry " traffic signals.
5. what a kind of intersection traffic slime flux described in -4 did well according to claim 1 automatically terminates method, which is characterized in that
The semaphore includes four sides red light module, communication module and PGC demodulation module, and road occurs and overflows situation, semaphore receives
When the center spill over of signal processing module, the periphery that four sides red light can overflow Center Road mouthful carries out road and empties, so
Its data-signal is delivered to by PGC demodulation module by communication module afterwards, is then locked in by PGC demodulation module at the crossing
Wagon flow empty (four sides red light), last waiting signal processing module, which sends to overflow, releases four sides in ring off signal to semaphore
Red light continues to run it by next phase of former scheme.
6. what a kind of intersection traffic slime flux according to claim 5 did well automatically terminates method, which is characterized in that institute
The road for stating four sides red light empties the time as the 1 second+dynamic spilling releasing time, and 1 second is fixed, and the spilling releasing time is
It changes, the time is 0 when non-spill.
7. what a kind of intersection traffic slime flux according to claim 1 did well automatically terminates method, which is characterized in that also
Including traffic hub control platform, the intersection wagon flow before the Signalized control scheme in semaphore runs to phase and terminates is clear
When dummy status, whether active inquiry intersection currently has spilling situation, if current spilling situation is occurring, signal
Signalized control scheme in machine can suspend (locking) in the intersection wagon flow empty of the phase, the general performance state
To light four sides red light, the vehicle that then four sides red light can have passed past stop line to intersection is emptied, until in intersection
Heart district domain, which is overflowed, to be released, meanwhile, its intersection center overflow status also can be reported to traffic by network by signal processing module
The control platform of command centre notifies the administrative staff at center, is monitored and makes corresponding processing according to the situation.
8. what a kind of intersection traffic slime flux according to claim 2 did well automatically terminates method, which is characterized in that institute
Stating detection module is intersection traffic stream mode sensor, which is made using video camera or microwave radar
Will test the input data of unit for the front-end detection unit of traffic flow modes sensor and analyzed and handled, testing result with
The mode of level or data frame is connected with crossing traffic signal controlling machine.
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| CN113674542A (en) * | 2021-09-22 | 2021-11-19 | 杭州海康威视数字技术股份有限公司 | Overflow control method and device and electronic equipment |
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| CN113674542B (en) * | 2021-09-22 | 2023-01-03 | 杭州海康威视数字技术股份有限公司 | Overflow control method and device and electronic equipment |
| CN114694391A (en) * | 2022-03-25 | 2022-07-01 | 杭州海康威视数字技术股份有限公司 | Intersection evacuation control method and device and electronic equipment |
| CN115938126A (en) * | 2023-01-06 | 2023-04-07 | 南京慧尔视智能科技有限公司 | Radar-based overflow detection method, device, equipment and storage medium |
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