CN108281017A - A kind of intersection traffic modulating signal control method based on bus or train route cooperative system - Google Patents
A kind of intersection traffic modulating signal control method based on bus or train route cooperative system Download PDFInfo
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- CN108281017A CN108281017A CN201810220845.XA CN201810220845A CN108281017A CN 108281017 A CN108281017 A CN 108281017A CN 201810220845 A CN201810220845 A CN 201810220845A CN 108281017 A CN108281017 A CN 108281017A
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- 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
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Abstract
The intersection traffic modulating signal control method based on bus or train route cooperative system that the invention discloses a kind of.The present invention calculates direction vehicle flowrate by lane flow amount, and by keeping straight on, direction vehicle flowrate and left-hand rotation direction vehicle flowrate calculate crossing inlet road heavy traffic stream coefficient to judge heavy traffic stream mode；If there are heavy traffic stream, there will be heavy traffic stream direction vehicle flowrates to obtain the direction vehicle flowrate of Lothrus apterus according to conflict situation matrix, and chooses in the wagon flow direction of Lothrus apterus and there are the minimum wagon flow directions of the vehicle flowrate quantity difference in heavy traffic stream direction to let pass simultaneously；If heavy traffic stream is not present, traffic light signals are controlled according to traffic light signals time control method；According to there are the minimum direction vehicle flowrate distribution direction lane quantity of heavy traffic stream direction vehicle flowrate and vehicle flowrate difference and by controlling intersection traffic modulating signal prior-release.Compared with prior art, the present invention is conducive to improve road passage capability, reduces delay.
Description
Technical field
The invention belongs to traffic design fields, more particularly, to a kind of intersection traffic lamp based on bus or train route cooperative system
Signal control method.
Background technology
Nowadays intelligent transportation system theory is shown in different poses and with different expressions, and wherein most probable be changed into reality be exactly automatic
Drive vehicle.As automatic driving vehicle will use under the particular surroundings of accommodation road before this within the coming years, then it is complete
Period uses on public way, finally puts into commodity production, and a new epoch will arrive.Once enough is automatic
It drives vehicle to come into operation, vehicle vehicle, bus or train route coordination technique will welcome an opportunity.
Bus or train route cooperative system be based on technical limit spacings vehicle and the road information such as line communication, sensor measuring, by vehicle vehicle,
Bus or train route communication is interacted and is enjoyed, and realizes intelligent coordinated between vehicle and infrastructure and cooperation, reaches Optimum utilization system money
Source, the target for improving traffic safety, alleviating traffic congestion.In recent years, the rapid hair of electronic information and wireless communication technique
Exhibition and application, have pushed the development of bus or train route cooperative system.It also receives domestic and international scientific research personnel as the important subsystem of ITS
Concern is the research of world traffic developed country, development and applies hot spot.And node of the intersection as urban road network, it is past
Toward be restrict the road network traffic capacity main bottleneck, based on bus or train route cooperative system inquire into intersection control system constitute and its
Operation logic, study under bus or train route cooperation condition integrative design intersection model with improve intersection traffic safety and
Operational efficiency.
Invention content
To solve the above-mentioned problems, the present invention proposes a kind of intersection traffic modulating signal based on bus or train route cooperative system
Control method.
The technical solution adopted in the present invention is：A kind of intersection traffic modulating signal control based on bus or train route cooperative system
Method, which is characterized in that include the following steps：
Step 1：Straight trip direction vehicle flowrate is calculated by Through Lane vehicle flowrate, is calculated by left turn lane vehicle flowrate left
Turn direction vehicle flowrate, by keeping straight on, direction vehicle flowrate and left-hand rotation direction vehicle flowrate calculate crossing inlet road heavy traffic stream coefficient,
The heavy traffic stream shape of straight trip direction vehicle flowrate or left-hand rotation direction vehicle flowrate is judged according to crossing inlet road heavy traffic stream coefficient
State；
Step 2：If there are heavy traffic streams for straight trip direction vehicle flowrate or left-hand rotation direction vehicle flowrate, there will be heavy traffic stream sides
The direction vehicle flowrate of Lothrus apterus is obtained according to conflict situation matrix to vehicle flowrate, and is chosen in the direction vehicle flowrate of Lothrus apterus
With there are the minimum direction vehicle flowrates of the vehicle flowrate of heavy traffic stream direction vehicle flowrate difference；
Step 3：If heavy traffic stream is not present in straight trip direction vehicle flowrate or left-hand rotation direction vehicle flowrate, believed according to traffic lights
Number time control method controls traffic light signals；
Step 4：According to there are the minimum direction vehicle flowrates of heavy traffic stream direction vehicle flowrate and vehicle flowrate difference to distribute direction vehicle
Road quantity simultaneously passes through control intersection traffic modulating signal prior-release.
Preferably, Through Lane vehicle flowrate described in step 1 is：
Wherein, n is crossing inlet road signal, i.e., it is the straight trip of crossing inlet road n that, which there are four groups of entrance driveway, i in intersection,
Road serial number,For the straight way quantity of crossing inlet road n,For the vehicle flowrate of the straight way i of crossing inlet road n；
Left turn lane vehicle flowrate described in step 1 is：
Wherein, n is crossing inlet road signal, i.e., it is the straight trip of crossing inlet road n that, which there are four groups of entrance driveway, j in intersection,
Road serial number,For the straight way quantity of crossing inlet road n,For the vehicle flowrate of the straight way j of crossing inlet road n；
Described in step 1 keep straight on direction vehicle flowrate be：
Wherein,For the straight trip direction vehicle flowrate of crossing inlet road n；
The vehicle flowrate of left-hand rotation direction described in step 1 is：
Wherein,For the left-hand rotation direction vehicle flowrate of crossing inlet road n；
Crossing inlet road heavy traffic stream coefficient is：
Wherein,For crossing inlet road n heavy traffic stream coefficients；
According to crossing inlet road n (n ∈ [1,4]) heavy traffic stream coefficientJudge that heavy traffic stream mode is：
IfThen there are heavy traffic streams for the straight trip direction vehicle flowrate of crossing inlet road n；
IfThen there are heavy traffic streams for the left-hand rotation direction vehicle flowrate of crossing inlet road n；
IfThen heavy traffic stream is not present in four groups of crossing inlet roads；
Wherein, the track total quantity in four groups of crossing inlet roads is N, and every group of crossing inlet road right-turn lane number
Amount is 1, and every group of crossing inlet road is made of left turn lane, Through Lane and right-turn lane；
Preferably, collison matrix described in step 2 is：
Wherein, 1S, 2S, 3S, 4S indicate the straight trip direction of entrance driveway 1, entrance driveway 2, entrance driveway 3 and entrance driveway 4 respectively
Vehicle flowrate, 1L, 2L, 3L, 4L indicate the left-hand rotation direction wagon flow of entrance driveway 1, entrance driveway 2, entrance driveway 3 and entrance driveway 4 respectively, 1
Indicate conflict, 0 indicates not conflict；
If the straight trip direction vehicle flowrate of crossing inlet road m (m ∈ [1,4])There are heavy traffic streams, according to conflict situation
Matrix obtain in the direction vehicle flowrate of Lothrus apterus withThe minimum direction vehicle flowrate of vehicle flowrate difference is
If X=S, then k ≠ m；
If the left-hand rotation direction vehicle flowrate of crossing inlet road o (o ∈ [1,4])There are heavy traffic streams, according to conflict situation
Matrix obtain in the direction vehicle flowrate of Lothrus apterus withThe minimum direction vehicle flowrate of vehicle flowrate difference is
If Y=L, then l ≠ o；
Preferably, if it is the straight of crossing inlet road m (m ∈ [Isosorbide-5-Nitrae]) to distribute direction lane quantity described in step 4
Line direction vehicle flowrateThere are heavy traffic stream, withThe minimum direction vehicle flowrate of vehicle flowrate difference is
If X=S, the straight trip direction vehicle flowrate of k ≠ m, crossing inlet road m (m ∈ [Isosorbide-5-Nitrae])Track quantity be：
Track quantity be：
The left-hand rotation direction vehicle flowrate that direction lane quantity is crossing inlet road o (o ∈ [1,4]) is distributed described in step 4There are heavy traffic stream, withThe minimum direction vehicle flowrate of vehicle flowrate difference isIf Y=L, then l
The left-hand rotation direction vehicle flowrate of ≠ o, crossing inlet road o (o ∈ [Isosorbide-5-Nitrae])Track quantity be：
Track quantity be：
Compared with prior art, beneficial effects of the present invention are：Made by the collaboration of intersection buffering area and control zone
With the track of all vehicles in the control area of intersection can be simulated and be optimized in control centre, avoid collision the hair of equal traffic accidents
It is raw；Time and the space resources of intersection are made full use of, changes current strategy in real time so that the utilization rate of intersection maximizes,
Be conducive to improve road passage capability, reduce delay；Pass through the principle of heavy traffic stream prior-release, it is ensured that transport need compared with
Big direction is not in serious queuing phenomena.
Description of the drawings
Fig. 1：For flow chart of the method for the present invention；
Fig. 2：For schematic diagram of the embodiment of the present invention.
Specific implementation mode
Understand for the ease of those of ordinary skill in the art and implement the present invention, with reference to the accompanying drawings and embodiments to this
Invention is described in further detail, it should be understood that and implementation example described herein is merely to illustrate and explain the present invention,
It is not intended to limit the present invention.
In conjunction with Fig. 1 and Fig. 2, the embodiment of the present invention is discussed.The technical solution adopted in the present invention is：One kind is based on
The intersection traffic modulating signal control method of bus or train route cooperative system, which is characterized in that include the following steps：
Step 1：Straight trip direction vehicle flowrate is calculated by Through Lane vehicle flowrate, is calculated by left turn lane vehicle flowrate left
Turn direction vehicle flowrate, by keeping straight on, direction vehicle flowrate and left-hand rotation direction vehicle flowrate calculate crossing inlet road heavy traffic stream coefficient,
The heavy traffic stream shape of straight trip direction vehicle flowrate or left-hand rotation direction vehicle flowrate is judged according to crossing inlet road heavy traffic stream coefficient
State；
Through Lane vehicle flowrate described in step 1 is：
Wherein, n is crossing inlet road signal, i.e., it is the straight trip of crossing inlet road n that, which there are four groups of entrance driveway, i in intersection,
Road serial number,For the straight way quantity of crossing inlet road n,For the vehicle flowrate of the straight way i of crossing inlet road n；
Left turn lane vehicle flowrate described in step 1 is：
Wherein, n is crossing inlet road signal, i.e., it is the straight trip of crossing inlet road n that, which there are four groups of entrance driveway, j in intersection,
Road serial number,For the straight way quantity of crossing inlet road n,For the vehicle flowrate of the straight way j of crossing inlet road n；
Described in step 1 keep straight on direction vehicle flowrate be：
Wherein,For the straight trip direction vehicle flowrate of crossing inlet road n；
The vehicle flowrate of left-hand rotation direction described in step 1 is：
Wherein,For the left-hand rotation direction vehicle flowrate of crossing inlet road n；
Crossing inlet road heavy traffic stream coefficient is：
Wherein,For crossing inlet road n heavy traffic stream coefficients；
According to crossing inlet road n (n ∈ [1,4]) heavy traffic stream coefficientJudge that heavy traffic stream mode is：
IfThen there are heavy traffic streams for the straight trip direction vehicle flowrate of crossing inlet road n；
IfThen there are heavy traffic streams for the left-hand rotation direction vehicle flowrate of crossing inlet road n；
IfThen heavy traffic stream is not present in four groups of crossing inlet roads；
Wherein, the track total quantity in four groups of crossing inlet roads is N, and every group of crossing inlet road right-turn lane number
Amount is 1, and every group of crossing inlet road is made of left turn lane, Through Lane and right-turn lane；
Step 2：If there are heavy traffic streams for straight trip direction vehicle flowrate or left-hand rotation direction vehicle flowrate, there will be heavy traffic stream sides
The direction vehicle flowrate of Lothrus apterus is obtained according to conflict situation matrix to vehicle flowrate, and is chosen in the direction vehicle flowrate of Lothrus apterus
With there are the minimum direction vehicle flowrates of the vehicle flowrate of heavy traffic stream direction vehicle flowrate difference；
Collison matrix described in step 2 is：
Wherein, 1S, 2S, 3S, 4S indicate the straight trip direction of entrance driveway 1, entrance driveway 2, entrance driveway 3 and entrance driveway 4 respectively
Vehicle flowrate, 1L, 2L, 3L, 4L indicate the left-hand rotation direction wagon flow of entrance driveway 1, entrance driveway 2, entrance driveway 3 and entrance driveway 4 respectively, 1
Indicate conflict, 0 indicates not conflict；
If the straight trip direction vehicle flowrate of crossing inlet road m (m ∈ [1,4])There are heavy traffic streams, according to conflict shape
State matrix obtain in the direction vehicle flowrate of Lothrus apterus withThe minimum direction vehicle flowrate of vehicle flowrate difference is
If X=S, then k ≠ m；
If the left-hand rotation direction vehicle flowrate of crossing inlet road o (o ∈ [1,4])There are heavy traffic streams, according to conflict situation
Matrix obtain in the direction vehicle flowrate of Lothrus apterus withThe minimum direction vehicle flowrate of vehicle flowrate difference is
If Y=L, then l ≠ o；
Step 3：If heavy traffic stream is not present in straight trip direction vehicle flowrate or left-hand rotation direction vehicle flowrate, believed according to traffic lights
Number time control method controls traffic light signals；
Step 4：According to there are the minimum direction vehicle flowrates of heavy traffic stream direction vehicle flowrate and vehicle flowrate difference to distribute direction vehicle
Road quantity simultaneously passes through control intersection traffic modulating signal prior-release；
If distributing the straight trip direction wagon flow that direction lane quantity is (m ∈ [1,4]) crossing inlet road m described in step 4
AmountThere are heavy traffic stream, withThe minimum direction vehicle flowrate of vehicle flowrate difference isIf X=S,
The straight trip direction vehicle flowrate of then k ≠ m, crossing inlet road m (m ∈ [Isosorbide-5-Nitrae])Track quantity be：
Track quantity be：
The left-hand rotation direction vehicle flowrate that direction lane quantity is crossing inlet road o (o ∈ [1,4]) is distributed described in step 4There are heavy traffic stream, withThe minimum direction vehicle flowrate of vehicle flowrate difference isIf Y=L, then l
The left-hand rotation direction vehicle flowrate of ≠ o, crossing inlet road o (o ∈ [Isosorbide-5-Nitrae])Track quantity be：
Track quantity be：
It should be understood that the above-mentioned description for preferred embodiment is more detailed, can not therefore be considered to this
The limitation of invention patent protection range, those skilled in the art under the inspiration of the present invention, are not departing from power of the present invention
Profit requires under protected ambit, can also make replacement or deformation, each fall within protection scope of the present invention, this
Invention is claimed range and should be determined by the appended claims.
Claims (2)
1. a kind of intersection traffic modulating signal control method based on bus or train route cooperative system, which is characterized in that include the following steps：
Step 1：Straight trip direction vehicle flowrate is calculated by Through Lane vehicle flowrate, left-hand rotation direction is calculated by left turn lane vehicle flowrate
Vehicle flowrate, by keeping straight on, direction vehicle flowrate and left-hand rotation direction vehicle flowrate calculate crossing inlet road heavy traffic stream coefficient, according to friendship
Prong entrance driveway heavy traffic stream coefficient judges the heavy traffic stream mode of straight trip direction vehicle flowrate or left-hand rotation direction vehicle flowrate；
Step 2：If there are heavy traffic streams for straight trip direction vehicle flowrate or left-hand rotation direction vehicle flowrate, there will be heavy traffic stream direction wagon flows
Amount obtains the direction vehicle flowrate of Lothrus apterus according to conflict situation matrix, and chooses in the direction vehicle flowrate of Lothrus apterus and there is weight
The direction vehicle flowrate of the vehicle flowrate difference minimum of traffic flow direction vehicle flowrate；
Step 3：If heavy traffic stream is not present in straight trip direction vehicle flowrate or left-hand rotation direction vehicle flowrate, according to traffic light signals timing
Control method controls traffic light signals；
Step 4：According to there are the minimum direction vehicle flowrates of heavy traffic stream direction vehicle flowrate and vehicle flowrate difference to distribute direction lane number
It measures and by controlling intersection traffic modulating signal prior-release.
2. the intersection traffic modulating signal control method according to claim 1 based on bus or train route cooperative system, feature exist
In：Through Lane vehicle flowrate described in step 1 is：
Wherein, n is crossing inlet road signal, i.e., it is the straight way sequence of crossing inlet road n that, which there are four groups of entrance driveway, i in intersection,
Number,For the straight way quantity of crossing inlet road n,For the vehicle flowrate of the straight way i of crossing inlet road n；
Left turn lane vehicle flowrate described in step 1 is：
Wherein, n is crossing inlet road signal, i.e., it is the straight way sequence of crossing inlet road n that, which there are four groups of entrance driveway, j in intersection,
Number,For the straight way quantity of crossing inlet road n,For the vehicle flowrate of the straight way j of crossing inlet road n；
Described in step 1 keep straight on direction vehicle flowrate be：
Wherein,For the straight trip direction vehicle flowrate of crossing inlet road n；
The vehicle flowrate of left-hand rotation direction described in step 1 is：
Wherein,For the left-hand rotation direction vehicle flowrate of crossing inlet road n；
Crossing inlet road heavy traffic stream coefficient is：
Wherein,For crossing inlet road n heavy traffic stream coefficients；
According to crossing inlet road n (n ∈ [1,4]) heavy traffic stream coefficientJudge that heavy traffic stream mode is：
IfThen there are heavy traffic streams for the straight trip direction vehicle flowrate of crossing inlet road n；
IfThen there are heavy traffic streams for the left-hand rotation direction vehicle flowrate of crossing inlet road n；
IfThen heavy traffic stream is not present in four groups of crossing inlet roads；
Wherein, the track total quantity in four groups of crossing inlet roads is N, and every group of crossing inlet road right-turn lane quantity is 1,
And every group of crossing inlet road is made of left turn lane, Through Lane and right-turn lane；
Collison matrix described in step 2 is：
Wherein, 1S, 2S, 3S, 4S indicate the straight trip direction wagon flow of entrance driveway 1, entrance driveway 2, entrance driveway 3 and entrance driveway 4 respectively
Amount, 1L, 2L, 3L, 4L indicate the left-hand rotation direction wagon flow of entrance driveway 1, entrance driveway 2, entrance driveway 3 and entrance driveway 4 respectively, and 1 indicates
Conflict, 0 indicates not conflict；
If the straight trip direction vehicle flowrate of crossing inlet road m (m ∈ [1,4])There are heavy traffic streams, according to conflict situation matrix
Obtain in the direction vehicle flowrate of Lothrus apterus withThe minimum direction vehicle flowrate of vehicle flowrate difference isIf
X=S, then k ≠ m；
If the left-hand rotation direction vehicle flowrate of crossing inlet road o (o ∈ [1,4])There are heavy traffic streams, according to conflict situation matrix
Obtain in the direction vehicle flowrate of Lothrus apterus withThe minimum direction vehicle flowrate of vehicle flowrate difference isIf Y
=L, then l ≠ o；
If distributing the straight trip direction vehicle flowrate that direction lane quantity is (m ∈ [1,4]) crossing inlet road m described in step 4
There are heavy traffic stream, withThe minimum direction vehicle flowrate of vehicle flowrate difference isIf X=S, then k ≠
The straight trip direction vehicle flowrate of m, crossing inlet road m (m ∈ [Isosorbide-5-Nitrae])Track quantity be：
Track quantity be：
The left-hand rotation direction vehicle flowrate that direction lane quantity is crossing inlet road o (o ∈ [1,4]) is distributed described in step 4It deposits
In heavy traffic stream, withThe minimum direction vehicle flowrate of vehicle flowrate difference isIf Y=L, l ≠ o is handed over
The left-hand rotation direction vehicle flowrate of prong entrance driveway o (o ∈ [1,4])Track quantity be：
Track quantity be：
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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