CN108447253A - The closed channel magnitude of traffic flow based on signal linkage passes in and out balance control method - Google Patents
The closed channel magnitude of traffic flow based on signal linkage passes in and out balance control method Download PDFInfo
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- CN108447253A CN108447253A CN201810168343.7A CN201810168343A CN108447253A CN 108447253 A CN108447253 A CN 108447253A CN 201810168343 A CN201810168343 A CN 201810168343A CN 108447253 A CN108447253 A CN 108447253A
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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
- G08G1/0145—Measuring and analyzing of parameters relative to traffic conditions for specific applications for active traffic flow control
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/065—Traffic control systems for road vehicles by counting the vehicles in a section of the road or in a parking area, i.e. comparing incoming count with outgoing count
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- 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
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Abstract
The invention discloses a kind of closed channel magnitudes of traffic flow based on signal linkage to pass in and out balance control method, including sails out of tunnel bridge and enter the closed channel magnitude of traffic flow disengaging balance control in intersection direction and sail out of the closed channel magnitude of traffic flow disengaging balance control that intersection enters tunnel bridge direction.The present invention controls the queue length that vehicle is generated in bridge section, and the queuing vehicle of dissipation bridge section in time, pass through overall adjustment and control, more reasonably there are time-space distributions in the case of intersection at both ends for distribution tunnel and bridge, traffic system road efficiency and safety are promoted, is to solve the big bridge section congestion effective measures in tunnel.
Description
Technical field
The present invention relates to technical field of traffic control more particularly to a kind of closed channel traffic flows based on signal linkage
Amount disengaging balance control method.
Background technology
With the rapid growth of urban car quantity, it is insufficient unbalanced with distribution to there is supply in urban road time-space distribution
The phenomenon that, and the case where there are larger limitations for the road traffics space resources such as tunnel and bridge, intersection meeting existing for both ends
And then the time resource of restricting traffic system.Meanwhile it under the road conditions such as tunnel and bridge, can be greatly increased when vehicle flowrate is larger
Traffic safety hidden danger.Therefore, how by overall adjustment and control, more reasonably there are the feelings of intersection at both ends for distribution tunnel and bridge
Time-space distribution under condition promotes traffic system road efficiency and safety, is that solution tunnel and bridge congestion are effectively arranged
It applies.
Under reality, when the earth points such as tunnel, bridge are closer apart from intersection distance, it can have the following problems：
1. peak period wagon flow is intensive, intersection generates queuing, and queuing vehicle cannot dissipate in time, occupies road space-time money
Source, and then the traffic capacity of tunnel, bridge is influenced, cause the waste of road time-space distribution；
2. for bridge section, certain slope is had at earth point, if earth point is apart from intersection closer, the peak of distance
When period vehicle flowrate is larger, vehicle can cause to be lined up in the bridge section for having great slope, and there are larger security risks, therefore answer
The queue length that control vehicle is generated in bridge section, and the queuing vehicle of dissipation bridge section in time；
3. for tunnel construction sections, peak period, a large amount of vehicle delays unloading to form queuing in tunnel, causes vehicle in tunnel
Repeatedly parking, generate a large amount of exhaust emissions, there are larger healthy hidden dangers, especially when tunnel linearly be curve when, lead to
Wind effect and visual range are all extremely limited；
4. if implement Induction Control (such as indicator light or notice board) in bridge either tunnel construction sections, more closed
It can lead to driver distraction in environment, be unfavorable for safe driving.
Invention content
In view of the drawbacks described above of the prior art, technical problem to be solved by the invention is to provide one kind to be joined based on signal
The dynamic closed channel magnitude of traffic flow passes in and out balance control method, so as to solve the deficiencies in the prior art.
To achieve the above object, the present invention provides a kind of closed channel magnitude of traffic flow disengaging based on signal linkage is flat
Weigh control method, including sails out of tunnel bridge and enter the closed channel magnitude of traffic flow disengaging balance control in intersection direction and sail out of friendship
Prong enters the closed channel magnitude of traffic flow disengaging balance control in tunnel bridge direction, wherein：
Step 1 sails out of the closed channel magnitude of traffic flow disengaging balance control that tunnel bridge enters intersection direction：It is handed over entering
Prong direction sets 4 groups of section geomagnetism detecting devices altogether, respectively A/F/E/B, wherein：
A sections are laid at tunnel bridge joint venue entrance, and two groups of detectors are buried in every track, are entered for detecting this direction
The vehicle flowrate of tunnel bridge；
B sections are laid in tunnel bridge joint place exit, and four groups of detectors are buried in every track, and two groups sail out of tunnel for detecting
The vehicle flowrate of bridge, two groups of queueing conditions for detecting this position；
E sections are laid in exports D apart from tunnel bridge joint placeePlace, two groups of detectors are buried in every track, for detecting control
The queueing condition of the position；
F sections are laid in exports D apart from tunnel bridge joint placefPlace, two groups of detectors are buried in every track, for detecting tunnel bridge
The maximum queue length of the internal direction；
Its control method of step 1 is：
Step 11, B points detection be lined up situation, if without be lined up if road conditions it is preferable, if having be lined up open signal control, signal with
It is signal period T that Intersections, which keep linkage synchronous,1, red light duration T1·(1-g1)；
Step 12 judges whether E points detect queuing situation, such as no continuation step 11, if red time is extended for Re=
T1·(1-g1)+(L-De)/v, signal period are adjusted to Te=T1+ L/v, wherein DeIndicate E points apart from exit distance, wherein
Tunnel segment length L, continuous wagon flow average headway l0, actual vehicle speed v, intersection signal cycle T1, split g1；
Step 13 judges whether F points detect queuing situation, such as no continuation step 12, if then real-time red light control, enters
The signal lamp of tunnel bridge red light always is forbidden in vehicle enters；
Step 2 sails out of the closed channel magnitude of traffic flow disengaging balance control that intersection enters tunnel bridge direction：It is handed over entering
Prong direction sets 4 groups of section geomagnetism detecting devices altogether, respectively C/H/G/D, wherein：
C sections are laid at tunnel bridge joint venue entrance, and two groups of detectors are buried in every track, are sailed out of for detecting this direction
Intersection enters the vehicle flowrate of tunnel bridge；
D sections are laid in tunnel bridge joint place exit, and two groups of detectors, the row for detecting this position are buried in every track
Team's state；
G sections are laid in exports D apart from tunnel bridge joint placegPlace, two groups of detectors are buried in every track, for detecting control
The queueing condition of the position；
H sections are laid in exports D apart from tunnel bridge joint placehPlace, two groups of detectors are buried in every track, for detecting tunnel bridge
The maximum queue length of the internal direction；
Its control method of step 2 is：
Step 21, the vehicle flowrate size for determining C points, C section flows QcIncluding straight traffic flow QDirectly, right-hand rotation vehicle flowrate QIt is right、
Left turn traffic amount QIt is left；
Qc1=min (QDirectly,QIt is right,QIt is left)
Qc3=max (QDirectly,QIt is right,QIt is left)
Qc2=Qc-Qc1-Qc3
The detection of D points is lined up situation, and road conditions are preferable if without being lined up, and open signal control is lined up if having, to smaller flow Qc1
Carry out red light control；
Step 22 judges whether G points detect queuing situation, such as no continuation step 21, if to Qc1Carry out red light control
While, Qc2The flow in direction also carries out red light control；
Step 23 judges whether H points detect queuing situation, such as no continuation step 22, if to Qc1And Qc2It carries out red
While lamp controls, maximum stream flow direction Qc3Flow also carry out red light control, it is red by being carried out to the signal lamp in tunnel bridge direction
Lamp control enters tunnel to limit intersection vehicles, and until queue length is dissipated to G points, red light controls when releasing long.
Further, the E points are D apart from exit distancee=Q λ1T1g1l0/ 3600, wherein between continuous wagon flow is average
Away from l0, link flow Q, peak hour factor λ1, intersection signal cycle T1, split g1。
Further, the F points are D apart from exit distancef=De+Qλ1(Te-Re)l0/ 3600, wherein continuous wagon flow
Average headway l0, link flow Q, peak hour factor λ1。
Further, the G points are D apart from exit distanceg=(Qc1+Qc2)λ2T2g2l0/ 3600, wherein continuous wagon flow
Average headway l0, peak hour factor λ2, intersection signal cycle T2, split g2。
Further, the H points are D apart from exit distanceh=Qcλ2T2g2l0/ 3600, wherein between continuous wagon flow is average
Away from l0, peak hour factor λ2, intersection signal cycle T2, split g2, C section detection flows Qc。
The beneficial effects of the invention are as follows：
The present invention controls the queue length that vehicle is generated in the blocked roads such as bridge section and tunnel construction sections, and the bridge that dissipates in time
The queuing vehicle of section and tunnel construction sections, by overall adjustment and control, more reasonably there are the feelings of intersection at both ends for distribution bridge and tunnel
Time-space distribution under condition promotes traffic system road efficiency and safety, is that solution bridge and tunnel congestion are effectively arranged
It applies.
The technique effect of the design of the present invention, concrete structure and generation is described further below with reference to attached drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
Description of the drawings
Fig. 1 be the present invention sail out of tunnel bridge into intersection schematic diagram.
Fig. 2 be the present invention go out intersection into tunnel bridge schematic diagram.
Fig. 3 be the present invention into intersection direction be based on signal coordinated signals flow chart.
Fig. 4 be the present invention into intersection direction be based on signal coordinated signals flow chart.
Fig. 5 is specific embodiments of the present invention schematic diagram.
Fig. 6 is one schematic diagram of specific embodiments of the present invention situation.
Fig. 7 is two schematic diagram of specific embodiments of the present invention situation.
Fig. 8 is three schematic diagram of specific embodiments of the present invention situation.
Specific implementation mode
As Figure 1-Figure 4, a kind of closed channel magnitude of traffic flow based on signal linkage passes in and out balance control method, packet
It includes and sails out of tunnel bridge and enter the closed channel magnitude of traffic flow disengaging balance control in intersection direction and sail out of intersection and enter tunnel bridge
The closed channel magnitude of traffic flow disengaging balance control in direction, wherein：
Step 1 sails out of the closed channel magnitude of traffic flow disengaging balance control that tunnel bridge enters intersection direction：It is handed over entering
Prong direction sets 4 groups of section geomagnetism detecting devices altogether, respectively A/F/E/B, wherein：
A sections are laid at tunnel bridge joint venue entrance, and two groups of detectors are buried in every track, are entered for detecting this direction
The vehicle flowrate of tunnel bridge；
B sections are laid in tunnel bridge joint place exit, and four groups of detectors are buried in every track, and two groups sail out of tunnel for detecting
The vehicle flowrate of bridge, two groups of queueing conditions for detecting this position；
E sections are laid in exports D apart from tunnel bridge joint placeePlace, two groups of detectors are buried in every track, for detecting control
The queueing condition of the position；
F sections are laid in exports D apart from tunnel bridge joint placefPlace, two groups of detectors are buried in every track, for detecting tunnel bridge
The maximum queue length of the internal direction；
Its control method of step 1 is：
Step 11, B points detection be lined up situation, if without be lined up if road conditions it is preferable, if having be lined up open signal control, signal with
It is signal period T that Intersections, which keep linkage synchronous,1, red light duration T1·(1-g1)；
Step 12 judges whether E points detect queuing situation, such as no continuation step 11, if red time is extended for Re=
T1·(1-g1)+(L-De)/v, signal period are adjusted to Te=T1+ L/v, wherein DeIndicate E points apart from exit distance, wherein
Tunnel segment length L, continuous wagon flow average headway l0, actual vehicle speed v, intersection signal cycle T1, split g1；
Step 13 judges whether F points detect queuing situation, such as no continuation step 12, if then real-time red light control, enters
The signal lamp of tunnel bridge red light always is forbidden in vehicle enters；
Step 2 sails out of the closed channel magnitude of traffic flow disengaging balance control that intersection enters tunnel bridge direction：It is handed over entering
Prong direction sets 4 groups of section geomagnetism detecting devices altogether, respectively C/H/G/D, wherein：
C sections are laid at tunnel bridge joint venue entrance, and two groups of detectors are buried in every track, are sailed out of for detecting this direction
Intersection enters the vehicle flowrate of tunnel bridge；
D sections are laid in tunnel bridge joint place exit, and two groups of detectors, the row for detecting this position are buried in every track
Team's state；
G sections are laid in exports D apart from tunnel bridge joint placegPlace, two groups of detectors are buried in every track, for detecting control
The queueing condition of the position；
H sections are laid in exports D apart from tunnel bridge joint placehPlace, two groups of detectors are buried in every track, for detecting tunnel bridge
The maximum queue length of the internal direction；
Its control method of step 2 is：
Step 21, the vehicle flowrate size for determining C points, C section flows QcIncluding straight traffic flow QDirectly, right-hand rotation vehicle flowrate QIt is right、
Left turn traffic amount QIt is left；
Qc1=min (QDirectly,QIt is right,QIt is left)
Qc3=max (QDirectly,QIt is right,QIt is left)
Qc2=Qc-Qc1-Qc3
The detection of D points is lined up situation, and road conditions are preferable if without being lined up, and open signal control is lined up if having, to smaller flow Qc1
Carry out red light control；
Step 22 judges whether G points detect queuing situation, such as no continuation step 21, if to Qc1Carry out red light control
While, Qc2The flow in direction also carries out red light control；
Step 23 judges whether H points detect queuing situation, such as no continuation step 22, if to Qc1And Qc2It carries out red
While lamp controls, maximum stream flow direction Qc3Flow also carry out red light control, it is red by being carried out to the signal lamp in tunnel bridge direction
Lamp control enters tunnel to limit intersection vehicles, and until queue length is dissipated to G points, red light controls when releasing long.
In the present embodiment, the E points are D apart from exit distancee=Q λ1T1g1l0/ 3600, wherein continuous wagon flow is average
Spacing l0, link flow Q, peak hour factor λ1, intersection signal cycle T1, split g1。
In the present embodiment, the F points are D apart from exit distancef=De+Qλ1(Te-Re)l0/ 3600, wherein continuous vehicle
Flow average headway l0, link flow Q, peak hour factor λ1。
In the present embodiment, the G points are D apart from exit distanceg=(Qc1+Qc2)λ2T2g2l0/ 3600, wherein continuous vehicle
Flow average headway l0, peak hour factor λ2, intersection signal cycle T2, split g2。
In the present embodiment, the H points are D apart from exit distanceh=Qcλ2T2g2l0/ 3600, wherein continuous wagon flow is average
Spacing l0, peak hour factor λ2, intersection signal cycle T2, split g2, C section detection flows Qc。
4 groups of section geomagnetism detecting devices, as shown in Figure 1, 2, respectively A/F/E/B are set altogether into intersection direction：
A sections are laid at tunnel bridge joint venue entrance, and two groups of detectors are buried in every track, are entered for detecting this direction
The vehicle flowrate of tunnel bridge；
B sections are laid in tunnel bridge joint place exit, and four groups of detectors are buried in every track, and two groups sail out of tunnel for detecting
The vehicle flowrate of bridge, two groups of queueing conditions for detecting this position；B points indicate that vehicle forms queuing in tunnel bridge, need to open
Upstream enters tunnel bridge control signal lamp, and into the vehicle of tunnel bridge, it is to believe that signal keeps linkage synchronous with Intersections for control
Number cycle T1, red light duration T1·(1-g1)；
E sections are laid in exports D apart from tunnel bridge joint placeePlace, two groups of detectors are buried in every track, for detecting control
The queueing condition of the position；E points indicate to delay unloading to form certain length in tunnel bridge, and vehicle is in one signal of downstream intersection in tunnel bridge
It can not dissipate in phase, length of delaying unloading constantly is accumulated, and the signal lamp red time that tunnel bridge is entered by controlling upstream extends, control
It puts more effort, red time is extended for Re=T1·(1-g1)+(L-De)/v, signal period are adjusted to Te=T1+ L/v, De=Q λ1T1g1l0/3600；
F sections are laid in exports D apart from tunnel bridge joint placefPlace, two groups of detectors are buried in every track, for detecting tunnel bridge
The maximum queue length of the internal direction；F points indicate to delay unloading to form greater depth in tunnel bridge, each phase need strictly to control into
Enter the vehicle in tunnel bridge, red light is forbidden in vehicle enters always into the signal lamp of tunnel bridge, Df=De+Qλ1(Te-Re)l0/3600；
Wherein, tunnel segment length L, continuous wagon flow average headway l0, link flow Q, actual vehicle speed v, peak hour factor λ1,
Intersection signal cycle T1, split g1, A section detection flows Qa, B section detection flows Qb；
It sails out of intersection and enters tunnel bridge direction and set 4 groups of section geomagnetism detecting devices, as shown in Figure 3,4, respectively C/H/G/D altogether
C sections are laid at tunnel bridge joint venue entrance, and two groups of detectors are buried in every track, are sailed out of for detecting this direction
Intersection enters the vehicle flowrate of tunnel bridge, C section flows QcIncluding straight traffic flow QDirectly, right-hand rotation vehicle flowrate QIt is right, left turn traffic amount QIt is left；
Qc1=min (QDirectly,QIt is right,QIt is left)
Qc3=max (QDirectly,QIt is right,QIt is left)
Qc2=Qc-Qc1-Qc3
D sections are laid in tunnel bridge joint place exit, and two groups of detectors, the row for detecting this position are buried in every track
Team's state；D points indicate that vehicle forms queuing in tunnel bridge, need to carry out Signalized control to upstream intersection, control enters tunnel
The vehicle of bridge, since D points are in the initial position for forming queuing, first to smaller flow Qc1Carry out red light control；
G sections are laid in bridges place exit D apart from tunnelgPlace, two groups of detectors are buried in every track, for detecting control
Make the queueing condition of the position；G points indicate that queuing vehicle further increases in tunnel bridge, delays unloading to form certain length, vehicle in tunnel bridge
It can not dissipate, need the Signalized control for further strengthening upstream intersection, control dynamics increase, therefore, to Qc1It carries out
While red light controls, Qc2The flow in direction also carries out red light control, Dg=(Qc1+Qc2)λ2T2g2l0/3600；
H sections are laid in bridges place exit D apart from tunnelhPlace, two groups of detectors are buried in every track, for detecting tunnel
The maximum queue length of the direction inside bridge；H points indicate to delay unloading to form certain length in tunnel bridge, and queuing vehicle can not disappear in time
It dissipates, the Signalized control for the upstream intersection that needs further to keep under strict control, to Qc1And Qc2It is maximum while carrying out red light control
Direction of the traffic Qc3Flow also carry out red light control, limit intersection by carrying out red light control to the signal lamp in tunnel bridge direction
Vehicle enters tunnel, and until queue length is dissipated to G points, red light controls when releasing long, Dh=Qcλ2T2g2l0/3600；
Wherein, tunnel segment length L, continuous wagon flow average headway l0, actual vehicle speed v, peak hour factor λ2, intersection signal
Cycle T2, split g2, C section detection flows Qc。
Specific embodiment given below illustrates operation principle of the present invention：
Assuming that something is to tunnel 1.5km, close to cross junction at one, this section vehicle flowrate Q at tunnel east exit1=
10000pcu/h, peak hour factor λ1=0.2, since vehicle flowrate is larger, often in queueing condition, cause to press in tunnel
Vehicle, east exit intersection signal cycle T=100s, East and West direction split g=0.4, as shown in Figure 5.
Situation one：Queuing vehicle indicates that vehicle forms queuing in tunnel to B points, and unlatching upstream is needed to enter tunnel
Signal lamp, signal period Tb=100s, red light duration Tred=Tb·(1-gb)=60s, long green light time Tgreen=40s, according to green
Wave controls, and the green light opening time is more early 8s than the downstream intersection green light opening time.As shown in Figure 6.
Situation two：Queuing vehicle is to E points, and E points are away from tunnel face distance De=Q λ1T1g1l0/ 3600=133m indicates that vehicle exists
It is formed and is lined up in tunnel, need to open the signal lamp that upstream enters tunnel, signal period Te=T+L/v=100s+1.5km/
50km/h=208s, red light duration Tred=T1·(1-g1)+(L-De)/v=158s, long green light time Tgreen=50s.Such as Fig. 7 institutes
Show.
Situation three：Queuing vehicle is to F points, and F points are away from tunnel face distance Df=De+Qλ1(Te-Re)l0/ 3600=133m+
166m=299m indicates to delay unloading to form greater depth in tunnel bridge, needs strictly to control the vehicle entered in tunnel bridge, into tunnel bridge
Signal lamp always forbid in vehicle enters, ensureing that queuing vehicle length does not continue growing by red light.As shown in Figure 8.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (5)
1. a kind of closed channel magnitude of traffic flow based on signal linkage passes in and out balance control method, which is characterized in that including sailing
Enter the closed channel magnitude of traffic flow disengaging balance control in intersection direction from tunnel bridge and sail out of intersection and enters tunnel bridge direction
The closed channel magnitude of traffic flow disengaging balance control, wherein：
Step 1 sails out of the closed channel magnitude of traffic flow disengaging balance control that tunnel bridge enters intersection direction：
4 groups of section geomagnetism detecting devices are being set altogether into intersection direction, respectively A/F/E/B, wherein：
A sections are laid at tunnel bridge joint venue entrance, and two groups of detectors are buried in every track, enter tunnel bridge for detecting this direction
Vehicle flowrate；
B sections are laid in tunnel bridge joint place exit, and four groups of detectors are buried in every track, and two groups sail out of tunnel bridge for detecting
Vehicle flowrate, two groups of queueing conditions for detecting this position；
E sections are laid in exports D apart from tunnel bridge joint placeeTwo groups of detectors are buried in place, every track, and the position is controlled for detecting
The queueing condition set；
F sections are laid in exports D apart from tunnel bridge joint placefPlace, two groups of detectors are buried in every track, for detecting inside tunnel bridge
The maximum queue length of the direction；
Its control method of step 1 is：
Step 11, B points detection be lined up situation, if without be lined up if road conditions it is preferable, if having be lined up open signal control, signal with intersect
It is signal period T that message signal lamp, which keeps linkage synchronous,1, red light duration T1·(1-g1)；
Step 12 judges whether E points detect queuing situation, such as no continuation step 11, if red time is extended for Re=T1·
(1-g1)+(L-De)/v, signal period are adjusted to Te=T1+ L/v, wherein DeIndicate E points apart from exit distance, wherein tunnel
Segment length L, continuous wagon flow average headway l0, actual vehicle speed v, intersection signal cycle T1, split g1；
Step 13 judges whether F points detect queuing situation, such as no continuation step 12, if then real-time red light control, into tunnel bridge
Signal lamp red light always, forbid in vehicle enters；
Step 2 sails out of the closed channel magnitude of traffic flow disengaging balance control that intersection enters tunnel bridge direction：Into intersection
Direction sets 4 groups of section geomagnetism detecting devices altogether, respectively C/H/G/D, wherein：
C sections are laid at tunnel bridge joint venue entrance, and two groups of detectors are buried in every track, and intersection is sailed out of for detecting this direction
Mouth enters the vehicle flowrate of tunnel bridge；
D sections are laid in tunnel bridge joint place exit, and two groups of detectors, the queuing shape for detecting this position are buried in every track
State；
G sections are laid in exports D apart from tunnel bridge joint placegTwo groups of detectors are buried in place, every track, and the position is controlled for detecting
The queueing condition set；
H sections are laid in exports D apart from tunnel bridge joint placehPlace, two groups of detectors are buried in every track, for detecting inside tunnel bridge
The maximum queue length of the direction；
Its control method of step 2 is：
Step 21, the vehicle flowrate size for determining C points, C section flows QcIncluding straight traffic flow QDirectly, right-hand rotation vehicle flowrate QIt is right, left-hand rotation vehicle
Flow QIt is left；
Qc1=min (QDirectly,QIt is right,QIt is left)
Qc3=max (QDirectly,QIt is right,QIt is left)
Qc2=Qc-Qc1-Qc3
The detection of D points is lined up situation, and road conditions are preferable if without being lined up, and open signal control is lined up if having, to smaller flow Qc1It carries out
Red light controls；
Step 22 judges whether G points detect queuing situation, such as no continuation step 21, if to Qc1Carry out the same of red light control
When, Qc2The flow in direction also carries out red light control；
Step 23 judges whether H points detect queuing situation, such as no continuation step 22, if to Qc1And Qc2Carry out red light control
While processed, maximum stream flow direction Qc3Flow also carry out red light control, pass through and red light control carried out to the signal lamp in tunnel bridge direction
System enters tunnel to limit intersection vehicles, and until queue length is dissipated to G points, red light controls when releasing long.
2. a kind of closed channel magnitude of traffic flow based on signal linkage as described in claim 1 passes in and out balance control method,
It is characterized in that：The E points are D apart from exit distancee=Q λ1T1g1l0/ 3600, wherein continuous wagon flow average headway l0, road
Duan Liuliang Q, peak hour factor λ1, intersection signal cycle T1, split g1。
3. a kind of closed channel magnitude of traffic flow based on signal linkage as described in claim 1 passes in and out balance control method,
It is characterized in that：The F points are D apart from exit distancef=De+Qλ1(Te-Re)l0/ 3600, wherein between continuous wagon flow is average
Away from l0, link flow Q, peak hour factor λ1。
4. a kind of closed channel magnitude of traffic flow based on signal linkage as described in claim 1 passes in and out balance control method,
It is characterized in that：The G points are D apart from exit distanceg=(Qc1+Qc2)λ2T2g2l0/ 3600, wherein between continuous wagon flow is average
Away from l0, peak hour factor λ2, intersection signal cycle T2, split g2。
5. a kind of closed channel magnitude of traffic flow based on signal linkage as described in claim 1 passes in and out balance control method,
It is characterized in that：The H points are D apart from exit distanceh=Qcλ2T2g2l0/ 3600, wherein continuous wagon flow average headway l0,
Peak hour factor λ2, intersection signal cycle T2, split g2, C section detection flows Qc。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109544946A (en) * | 2019-01-03 | 2019-03-29 | 南京城建隧桥经营管理有限责任公司 | Tunnel real-time monitoring and managing system and its implementation based on vehicle flowrate big data |
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| CN108447253B (en) | 2020-09-08 |
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