CN107025792A - The method of adjustment and device in track and signal lamp cycle based on vehicle queue length - Google Patents

The method of adjustment and device in track and signal lamp cycle based on vehicle queue length Download PDF

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Publication number
CN107025792A
CN107025792A CN201710313071.0A CN201710313071A CN107025792A CN 107025792 A CN107025792 A CN 107025792A CN 201710313071 A CN201710313071 A CN 201710313071A CN 107025792 A CN107025792 A CN 107025792A
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CN
China
Prior art keywords
track
queue length
signal lamp
average
adjustment
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CN201710313071.0A
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Chinese (zh)
Inventor
曹泉
何小晨
李豪
付林峰
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SHENZHEN HAGONGDA TRAFFIC ELECTRONIC TECHNOLOGY Co Ltd
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SHENZHEN HAGONGDA TRAFFIC ELECTRONIC TECHNOLOGY Co Ltd
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Priority to CN201710313071.0A priority Critical patent/CN107025792A/en
Publication of CN107025792A publication Critical patent/CN107025792A/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C1/00Design or layout of roads, e.g. for noise abatement, for gas absorption
    • E01C1/002Design or lay-out of roads, e.g. street systems, cross-sections ; Design for noise abatement, e.g. sunken road
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/07Controlling traffic signals
    • G08G1/08Controlling traffic signals according to detected number or speed of vehicles

Abstract

The invention discloses a kind of track based on vehicle queue length and the method for adjustment and device of signal lamp cycle, method comprises the following steps:The instantaneous vehicle queue length in each track is detected using the video detecting device;Average queue length of each track of different track attributes in setting time is calculated respectively using the analytic unit;The ratio of the average queue length between the track of different track attributes is calculated using the analytic unit;Described control unit adjusts corresponding track attribute or adjusts the cycle duration of corresponding signal lamp according to the ratio of the average queue length between the tracks of the different track attributes.Implement the track based on vehicle queue length of the present invention and the method for adjustment and device of signal lamp cycle, have the advantages that:Crossing traffic efficiency can be improved by changeable driveway and variable signal lamp phase cycling.

Description

The method of adjustment and device in track and signal lamp cycle based on vehicle queue length
Technical field
The present invention relates to intelligent transportation field, more particularly to a kind of track and signal lamp cycle based on vehicle queue length Method of adjustment.
Background technology
With expanding economy, the phenomenon of urban road congestion is also increasingly serious.Intersection is the bottleneck of urban road, The vehicle pass-through efficiency of intersection directly affects the traffic efficiency of whole urban road.
Developed countries just develop the Self Adaptive Controls such as representational SCOOT, SCATS in the seventies in last century System, is reducing stop frequency, certain effect is achieved in terms of improving crossing traffic efficiency.The country in the prior art, is being disclosed Number be CN1441369A, it is entitled《Traffic control method and facility》Application for a patent for invention in, according to default or from dynamic The program step of optimising and adjustment and intelligence is answered, wagon flow is arranged in orderly permutation, realizes multilane without intersecting or less intersect The wagon flow method that continuously or discontinuously row array is passed through (abbreviation row array formula is passed through), the current effect at the raising crossing that can be maximized Rate.
According to default design of scheme track direction attribute and in the case of the traffic signal timing cycle, either common road Mouth scheme or row array formula transit scenario, all there may be some track saturations, and some tracks are idle, and some phase cyclings are satisfied With the idle situation of some phase cyclings.The distribution of left-hand rotation Through Lane number and the traffic signal timing ratio of different directions, Typically it is designed according to the historical statistics wagon flow data at each crossing.Because the direction of wagon flow and number are in regularity On the basis of have its randomness again, even if take into account the wagon flow aspect ratio features of different periods during design, it is also difficult to accomplish one Straight balance.The vehicle queue length monitored in real time according to different directions track come automatic sensing optimising and adjustment track direction attribute and The traffic signal timing cycle is only more scientific and reasonable scheme.
Publication No. CN103985264A, it is entitled《It is a kind of to reduce the crossing control system of crossing queue length And method》Application for a patent for invention in, the continuous tracking by video tracking unit to queuing vehicle obtains the car currently queued up Need that the green light cycle required for crossing could be passed through according to current queuing vehicle by crossing by several green light cycles Number, quantitative judgement present period traffic status belongs to peak period, flat peak period or offpeak period, and then adjusts signal Lamp control strategy.Although it is also using the method detected in real time, the duration of whole signal lamp cycle is simply adjusted, without Optimizing and revising for timing scheme is carried out according to the queuing in different directions track or idle condition.
The content of the invention
The technical problem to be solved in the present invention is that the drawbacks described above for prior art can be by variable there is provided one kind Track and variable signal lamp phase cycling improve track based on vehicle queue length and the signal lamp cycle of crossing traffic efficiency Method of adjustment and device.
The technical solution adopted for the present invention to solve the technical problems is:A kind of track based on vehicle queue length of construction And the method for adjustment of signal lamp cycle, applied to road junction roadway and signal automatic sensing optimising and adjustment system, the road junction roadway It is described and signal automatic sensing optimising and adjustment system includes the video detecting device, analytic unit and the control unit that are sequentially connected Method comprises the following steps:
A the instantaneous vehicle queue length in each track) is detected using the video detecting device;
B) average queuing of each track of different track attributes in setting time is calculated respectively using the analytic unit Length;
C the ratio of the average queue length between the track of different track attributes) is calculated using the analytic unit;
D) described control unit is according to the ratio of the average queue length between the tracks of the different track attributes, adjustment Corresponding track attribute or the cycle duration for adjusting corresponding signal lamp.
In the method for adjustment of the track of the present invention based on vehicle queue length and signal lamp cycle, the track Attribute include it is eastbound, head west, Nan Hang, northern row with turning left, straight trip and the combination turned right.
In the method for adjustment of the track of the present invention based on vehicle queue length and signal lamp cycle, when it is described not With the average queue length between the track of track attribute ratio be more than the first setting value when, average queue length is shorter The state in track is set to the average longer track of queuing up, or described control unit sends instruction, changes signal lamp Phase duration, shortens the duration in the shorter track of average queue length being not less than on the premise of signal lamp phase is most grown in short-term Setting time value, while the duration in the longer track of average queue length is extended into the setting time value.
In the method for adjustment of the track of the present invention based on vehicle queue length and signal lamp cycle, when it is described not With the average queue length between the track of track attribute ratio be less than the second setting value when, average queue length is shorter The state in track is set to the average longer track of queuing up, or described control unit sends instruction, changes signal lamp Phase duration, shortens the duration in the shorter track of average queue length being not less than on the premise of signal lamp phase is most grown in short-term Setting time value, while the duration in the longer track of average queue length is extended into the setting time value.
In the method for adjustment of the track of the present invention based on vehicle queue length and signal lamp cycle, described first Setting value is 2, and second setting value is 0.5, and the setting time value is 5 seconds.
The invention further relates to a kind of method of adjustment for realizing the above-mentioned track based on vehicle queue length and signal lamp cycle Device, applied to road junction roadway and signal automatic sensing optimising and adjustment system, road junction roadway and the signal automatic sensing is adjusted Control optimization system includes video detecting device, analytic unit and the control unit being sequentially connected, and described device includes:
Queue length detection module:For detecting that the instantaneous vehicle queue in each track is long using the video detecting device Degree;
Average queue length computing module:Each track for calculating different track attributes respectively using the analytic unit Average queue length in setting time;
Ratio computing module:The average queuing between track for calculating different track attributes using the analytic unit The ratio of length;
Control adjusting module:For making described control unit according to the average row between the tracks of the different track attributes The ratio of team leader's degree, adjusts corresponding track attribute or adjusts the cycle duration of corresponding signal lamp.
In device of the present invention, the track attribute include it is eastbound, head west, Nan Hang, northern row with turning left, straight trip and The combination of right-hand rotation.
In device of the present invention, when the ratio of the average queue length between the track of the different track attributes During more than the first setting value, the state in the shorter track of average queue length is set to the average longer track of queuing up, Or described control unit sends instruction, change the phase duration of signal lamp, be not less than signal lamp phase it is most long in short-term before Put and the duration in the shorter track of average queue length is shortened into setting time value, while by the longer track of average queue length Duration extend the setting time value.
In device of the present invention, when the ratio of the average queue length between the track of the different track attributes During less than the second setting value, the state in the shorter track of average queue length is set to the average longer track of queuing up, Or described control unit sends instruction, change the phase duration of signal lamp, be not less than signal lamp phase it is most long in short-term before Put and the duration in the shorter track of average queue length is shortened into setting time value, while by the longer track of average queue length Duration extend the setting time value.
In device of the present invention, first setting value is 2, and second setting value is 0.5, during the setting Between value be 5 seconds.
Implement the track based on vehicle queue length of the present invention and the method for adjustment and device of signal lamp cycle, with Lower beneficial effect:Due to detecting the instantaneous vehicle queue length in each track using video detecting device;Use analytic unit point Average queue length of each track of different track attributes in setting time is not calculated;Different tracks are calculated using analytic unit The ratio of average queue length between the track of attribute;Control unit is according to the average row between the tracks of different track attributes The ratio of team leader's degree, adjusts corresponding track attribute or adjusts the cycle duration of corresponding signal lamp, therefore it can pass through variable car Road and variable signal lamp phase cycling improve crossing traffic efficiency.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is road junction roadway and the structural representation of signal automatic sensing optimising and adjustment system;
Fig. 2 is implemented for the method for adjustment and device one of track of the present invention based on vehicle queue length and signal lamp cycle The flow chart of method in example;
Fig. 3 is to set the schematic diagram of changeable driveway at crossing;
Fig. 4 is the control flow and signal lamp phase demonstration graph using row array formula Traffic control method at crossing;
Fig. 5 is the structural representation of device in the embodiment;
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
, should in the method for adjustment and device embodiment of track of the present invention based on vehicle queue length and signal lamp cycle The method of adjustment in track and signal lamp cycle based on vehicle queue length is applied to road junction roadway and signal automatic sensing regulates and controls Optimization system, Fig. 1 is the structural representation of road junction roadway and signal automatic sensing optimising and adjustment system.In Fig. 1, the road junction roadway And signal automatic sensing optimising and adjustment system includes the video detecting device, analytic unit and the control unit that are sequentially connected.
Fig. 2 is track of the present invention based on vehicle queue length and the flow chart of the method for adjustment of signal lamp cycle, Fig. 2 In, the method for adjustment for being somebody's turn to do the track based on vehicle queue length and signal lamp cycle comprises the following steps:
Step S01 detects the instantaneous vehicle queue length in each track using video detecting device:In this step, using outstanding The video detecting device of hanging installation detects the instantaneous vehicle queue length in each track.
Step S02 calculates average queuing of each track of different track attributes in setting time using analytic unit respectively Length:In this step, average queuing of each track of different track attributes in setting time is calculated respectively using analytic unit Length, track attribute include it is eastbound, head west, Nan Hang, northern row with turning left, straight trip and the combination turned right, i.e. track attribute include east Row left-hand rotation, eastbound straight trip, eastbound right-hand rotation, the left-hand rotation that heads west, the straight trip that heads west, the right-hand rotation that heads west, southern row left-hand rotation, southern row straight trip, southern row are right Turn, northern row turns left, northern row straight trip and northern row are turned right etc..In the present embodiment, setting time can be 10 minutes, certainly, in this reality Under the certain situation for applying example, the size of setting time can also be adjusted accordingly as the case may be.
Step S03 calculates the ratio of the average queue length between the track of different track attributes using analytic unit:This In step, the ratio of the average queue length between the track of different track attributes, such as an eastbound left side are calculated using analytic unit Change trains or buses and eastbound Through Lane queue length ratio r, it is assumed that the average queue length of eastbound left turn lane is L, eastbound straight The average queue length of runway is S, then r=L/S.
Step S04 control units adjust phase according to the ratio of the average queue length between the tracks of different track attributes The track attribute or the cycle duration of adjustment corresponding signal lamp answered:In this step, control unit is according to the cars of different track attributes The ratio of average queue length between road, adjusts corresponding track attribute or adjusts the cycle duration of corresponding signal lamp.For example: If r>2, then a Through Lane can be set to left turn lane, or the phase cycling duration of increase left-hand rotation green light is reduced directly The phase cycling duration of row green light;If r<0.5, then a left turn lane can be set to Through Lane, or reduce The phase cycling duration of the phase cycling duration increase straight trip green light of green light.The method of the present invention is by using unsaturated track Phase cycling duration and locational space dredge the vehicle flowrate in supersaturated track, in the case where not increasing additional roads facility, Maximized utilization existing road, improves traffic efficiency, increases the traffic capacity.Therefore it can pass through changeable driveway and variable signal Lamp phase cycling improves crossing traffic efficiency.
In the method for the present embodiment, when the ratio of the average queue length between the track of different track attributes is more than first During setting value, the state in the shorter track of average queue length is set to average longer track of queuing up, or control unit Instruction is sent, changes the phase duration of signal lamp, is being not less than the length that will averagely be queued up on the premise of signal lamp phase is most grown in short-term The duration in the shorter track of degree shortens setting time value, while when the duration in the longer track of average queue length is extended into setting Between be worth.
In the method for the present embodiment, when the ratio of the average queue length between the track of different track attributes is less than second During setting value, the state in the shorter track of average queue length is set to average longer track of queuing up, or control unit Instruction is sent, changes the phase duration of signal lamp, is being not less than the length that will averagely be queued up on the premise of signal lamp phase is most grown in short-term The duration in the shorter track of degree shortens setting time value, while when the duration in the longer track of average queue length is extended into setting Between be worth.It is noted that in the present embodiment, the first setting value is 2, the second setting value is 0.5, and setting time value is 5 seconds, when So, in other cases of the present embodiment, the size of the first setting value, the second setting value and setting time value can root Adjusted accordingly according to concrete condition.
The method of the present invention is applied in the case of 4 kinds, this 4 kinds of situations illustrated separately below.
1st kind of situation, is used for a crossing with a changeable driveway, as shown in figure 3, this is by the method for the present invention One five track crossing, including a right-turn lane, two Through Lanes, a left turn lane and a changeable driveway.Assuming that The original state of changeable driveway is set to left turn lane, road junction roadway and signal automatic sensing optimising and adjustment system first by Video equipment detects the instantaneous vehicle queue length in each track;Then analytic unit calculates two Through Lanes in a period of time Within average queue length (it is assumed that 10 minutes) be S, two left turn lanes (including changeable driveway) are within a period of time Average queue length be L, when left turn lane and the queue length ratio r=L/S of Through Lane<When 0.5, control unit is sent Instruction, changes the Warning Mark of changeable driveway, the state of changeable driveway is changed into Through Lane;Hereafter, analytic unit calculates three Average queue length of the bar Through Lane (including changeable driveway) within a period of time is S, and a left turn lane is at one section Between within average queue length be L, when left turn lane and the queue length ratio r=L/S of Through Lane>When 2, control unit Instruction is sent, changes the Warning Mark of changeable driveway, the state of changeable driveway is changed to left turn lane;Hereafter above-mentioned behaviour is repeated Make.
2nd kind of situation, is used for a fixed track direction attribute, two Through Lanes and two left-hand rotation cars by the method for the present invention The phase of the crossing in road, crossing straight trip green light and left-hand rotation green light is separated, it is assumed that is kept straight on 30 seconds, is turned left 20 seconds under original state. Road junction roadway and signal automatic sensing optimising and adjustment system detect the instantaneous vehicle queue in each track first by video equipment Length;Then analytic unit calculate the average queue length of (it is assumed that 10 minutes) within a period of time of two Through Lanes be S, average queue length of two left turn lanes within a period of time is L, when the queue length of left turn lane and Through Lane Ratio r=L/S<When 0.5, control unit sends instruction, changes the phase cycling duration of signal lamp, is being not less than signal lamp phase Left-hand rotation duration is shortened 5 seconds on the premise of most growing in short-term, while will straight trip cycle stretch-out 5 seconds;When left turn lane and Through Lane Queue length ratio r>When 2, control unit sends instruction, changes the phase cycling duration of signal lamp, is being not less than signal lamp Straight trip duration is shortened 5 seconds by phase on the premise of most growing in short-term, while by left-hand rotation cycle stretch-out 5 seconds;Hereafter aforesaid operations are repeated.
In above two applicable cases, the wagon flow of each direction of the four corners of the world at crossing is separately controlled, and shadow is had no each other Ring.3rd kind of situation, is used for a fixed track direction attribute by the method for the present invention, there is the cross of four directions in the four corners of the world Crossing, the crossing, which is turned right, right-hand rotation dedicated Lanes, and simultaneously, a complete signal lamp is all for the phase of straight trip green light and left-hand rotation green light Phase be it is eastbound turn left straight trip green light 30 seconds, head west left-hand rotation straight trip green light 30 seconds, and southern row turns left straight trip green light 30 seconds, and northern row turns left straight Row green light 30 seconds.Road junction roadway and signal automatic sensing optimising and adjustment system detect the wink in each track first by video equipment When vehicle queue length;Then analytic unit calculates eastbound all tracks within a period of time (it is assumed that 10 minutes) and is averaged Queue length is E, and average queue length of all tracks within a period of time that head west is W, and southern all tracks of row are at one section Between within average queue length be S, average queue length of the northern all tracks of row within a period of time be N.Assuming that institute Most long for eastbound direction in directive average queue length, most short for northern line direction, analytic unit calculates track and queued up Length ratio r=E/N, works as r>When 2, control unit sends instruction, changes signal lamp phase duration, is being not less than signal lamp phase Most in short-term grow on the premise of by northern row turn left straight trip long green light time shorten 5 seconds, while by it is eastbound turn left keep straight on long green light time extension 5 Second;Hereafter aforesaid operations are repeated.
4th kind of situation, it is entitled by the method for the present invention applied to Publication No. CN103985264A《A kind of energy Reduce the crossing control system and method for crossing queue length》Application for a patent for invention in.Row array formula crossing is substantially one Two grades of changeable driveway crossings, wagon flow waits traffic lights to indicate to enter row array area in the Dai Pai areas of the first order, in row array area according to Fig. 4 Shown semaphore phase arrangement passes through crossing.Because the wagon flow of identical steering is arranged at row array together, road can be greatly improved The traffic efficiency of mouth.In common intersection annunciator phase strategy in 3rd kind of situation, every track is only in whole belisha beacon A quarter time of phase cycling be current, and the phase arrangement in Fig. 4 in (A) and Fig. 4 in (B) causes every track It is current in 1/2nd times of whole belisha beacon phase cycling, the phase arrangement in Fig. 4 in (C) and Fig. 4 in (D) So that every track is current in 3/4ths times of whole belisha beacon phase cycling.
Follow principle of the 1st kind of situation into the 3rd kind of situation, it is easy to apply the method for the invention to row array formula crossing In.For example when north-south through vehicles queue length is considerably longer than East and West direction through vehicles queue length, it is being not less than signal Lamp phase shortens the keep straight on phase cycling duration of green light of East and West direction on the premise of most growing in short-term, while north-south is kept straight on green light Phase cycling duration extension;Again for example when south orientation left-hand rotation queue length is considerably longer than south orientation straight trip queue length, and north orientation is straight Row queue length and north orientation left-hand rotation queue length are roughly equal, when being not suitable for adjustment semaphore phase, can increase south orientation left-hand rotation Number of lanes, by all tracks arranged to left turn traffic, right-hand rotation wagon flow and straight traffic row array together.
The invention further relates to a kind of method of adjustment for realizing the above-mentioned track based on vehicle queue length and signal lamp cycle Device, should device be applied to road junction roadway and signal automatic sensing optimising and adjustment system, the road junction roadway and signal are automatic Sensing optimising and adjustment system includes video detecting device, analytic unit and the control unit being sequentially connected.Fig. 5 is in the present embodiment The structural representation of device.
In Fig. 5, the device includes queue length detection module 1, average queue length computing module 2, ratio computing module 3 With control adjusting module 4;Wherein, queue length detection module 1 is used to detect the instantaneous of each track using video detecting device Vehicle queue length;Average queue length computing module 2 is used for each car for calculating different track attributes respectively using analytic unit Average queue length of the road in setting time;Track attribute include it is eastbound, head west, Nan Hang, northern row with turning left, straight trip and turn right Combination, i.e., track attribute include eastbound left-hands rotation, it is eastbound straight trip, eastbound right-hand rotation, the left-hand rotation that heads west, the straight trip that heads west, the right-hand rotation that heads west, southern Row turns left, southern row is kept straight on, south row is turned right, northern row turns left, north row is kept straight on and northern row is turned right etc..In the present embodiment, setting time can To be 10 minutes, certainly, under the certain situation of the present embodiment, the size of setting time can also carry out phase as the case may be It should adjust.Ratio computing module 3 is used to calculate the average queue length between the track of different track attributes using analytic unit Ratio;Control adjusting module 4 is used to make control unit according to the average queue length between the tracks of different track attributes Ratio, adjusts corresponding track attribute or adjusts the cycle duration of corresponding signal lamp.For example:If r>2, then can be by a straight trip Track is set to left turn lane, or increases the phase cycling duration of the phase cycling duration reduction straight trip green light of left-hand rotation green light; If r<0.5, then a left turn lane can be set to Through Lane, or reduce the phase cycling duration increase of left-hand rotation green light The phase cycling duration of straight trip green light.The present invention method by using unsaturated track phase cycling duration and locational space To dredge the vehicle flowrate in supersaturated track, in the case where not increasing additional roads facility, maximized utilization existing road is carried High pass line efficiency, increases the traffic capacity.Therefore it can improve crossing by changeable driveway and variable signal lamp phase cycling and pass through Efficiency.
In the device of the present embodiment, when the ratio of the average queue length between the track of different track attributes is more than first During setting value, the state in the shorter track of average queue length is set to average longer track of queuing up, or control unit Instruction is sent, changes the phase duration of signal lamp, is being not less than the length that will averagely be queued up on the premise of signal lamp phase is most grown in short-term The duration in the shorter track of degree shortens setting time value, while when the duration in the longer track of average queue length is extended into setting Between be worth.
In the device of the present embodiment, when the ratio of the average queue length between the track of different track attributes is less than second During setting value, the state in the shorter track of average queue length is set to average longer track of queuing up, or control unit Instruction is sent, changes the phase duration of signal lamp, is being not less than the length that will averagely be queued up on the premise of signal lamp phase is most grown in short-term The duration in the shorter track of degree shortens setting time value, while when the duration in the longer track of average queue length is extended into setting Between be worth.It is noted that in the present embodiment, the first setting value is 2, the second setting value is 0.5, and setting time value is 5 seconds, when So, in other cases of the present embodiment, the size of the first setting value, the second setting value and setting time value can root Adjusted accordingly according to concrete condition.
In a word, the present invention improves crossing traffic efficiency by changeable driveway and variable signal lamp phase cycling, solves existing According to default design of scheme track direction attribute and in the case of the traffic signal timing cycle in technology, there is some tracks and letter Number phase unsaturation, and other tracks and the oversaturated problem of signal phase.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.

Claims (10)

1. a kind of method of adjustment in track and signal lamp cycle based on vehicle queue length, it is characterised in that applied to crossing Track and signal automatic sensing optimising and adjustment system, road junction roadway and signal automatic sensing the optimising and adjustment system are included successively Video detecting device, analytic unit and the control unit of connection, methods described comprise the following steps:
A the instantaneous vehicle queue length in each track) is detected using the video detecting device;
B) average queue length of each track of different track attributes in setting time is calculated respectively using the analytic unit;
C the ratio of the average queue length between the track of different track attributes) is calculated using the analytic unit;
D) described control unit is according to the ratio of the average queue length between the tracks of the different track attributes, and adjustment is corresponding Track attribute or adjust corresponding signal lamp cycle duration.
2. the method for adjustment in track and signal lamp cycle according to claim 1 based on vehicle queue length, its feature Be, the track attribute include it is eastbound, head west, Nan Hang, northern row with turning left, straight trip and the combination turned right.
3. the method for adjustment in track and signal lamp cycle according to claim 2 based on vehicle queue length, its feature It is, will be average when the ratio of the average queue length between the track of the different track attributes is more than the first setting value The state in the shorter track of queue length is set to the average longer track of queuing up, or described control unit sends finger Order, changes the phase duration of signal lamp, on the premise of signal lamp phase is most grown in short-term that average queue length is shorter being not less than The duration in track shorten setting time value, while the duration in the longer track of average queue length is extended into the setting time Value.
4. the method for adjustment in track and signal lamp cycle according to claim 2 based on vehicle queue length, its feature It is, will be average when the ratio of the average queue length between the track of the different track attributes is less than the second setting value The state in the shorter track of queue length is set to the average longer track of queuing up, or described control unit sends finger Order, changes the phase duration of signal lamp, on the premise of signal lamp phase is most grown in short-term that average queue length is shorter being not less than The duration in track shorten setting time value, while the duration in the longer track of average queue length is extended into the setting time Value.
5. the method for adjustment in track and signal lamp cycle according to claim 4 based on vehicle queue length, its feature It is, first setting value is 2, second setting value is 0.5, the setting time value is 5 seconds.
6. a kind of method of adjustment for realizing the track as claimed in claim 1 based on vehicle queue length and signal lamp cycle Device, it is characterised in that applied to road junction roadway and signal automatic sensing optimising and adjustment system, the road junction roadway and signal are certainly Innervation answers optimising and adjustment system to include video detecting device, analytic unit and the control unit being sequentially connected, and described device includes:
Queue length detection module:Instantaneous vehicle queue length for detecting each track using the video detecting device;
Average queue length computing module:Each track for being calculated different track attributes respectively using the analytic unit is being set Average queue length in fixing time;
Ratio computing module:The average queue length between track for calculating different track attributes using the analytic unit Ratio;
Control adjusting module:For making described control unit long according to the average queuing between the tracks of the different track attributes The ratio of degree, adjusts corresponding track attribute or adjusts the cycle duration of corresponding signal lamp.
7. according to claim 6 realize the track as claimed in claim 1 based on vehicle queue length and signal lamp The device of the method for adjustment in cycle, it is characterised in that the track attribute include it is eastbound, head west, Nan Hang, northern row with turning left, it is straight Row and the combination turned right.
8. according to claim 7 realize the track as claimed in claim 1 based on vehicle queue length and signal lamp The device of the method for adjustment in cycle, it is characterised in that when the average queue length between the track of the different track attributes When ratio is more than the first setting value, the state in the shorter track of average queue length is set to the average longer car of queuing up Road, or described control unit send instruction, change the phase duration of signal lamp, are being not less than what signal lamp phase was most grown in short-term Under the premise of the duration in the shorter track of average queue length is shortened into setting time value, while by the longer car of average queue length The duration in road extends the setting time value.
9. according to claim 7 realize the track as claimed in claim 1 based on vehicle queue length and signal lamp The device of the method for adjustment in cycle, it is characterised in that when the average queue length between the track of the different track attributes When ratio is less than the second setting value, the state in the shorter track of average queue length is set to the average longer car of queuing up Road, or described control unit send instruction, change the phase duration of signal lamp, are being not less than what signal lamp phase was most grown in short-term Under the premise of the duration in the shorter track of average queue length is shortened into setting time value, while by the longer car of average queue length The duration in road extends the setting time value.
10. according to claim 9 realize the track as claimed in claim 1 based on vehicle queue length and signal lamp The device of the method for adjustment in cycle, it is characterised in that first setting value is 2, second setting value is 0.5, described to set Value of fixing time is 5 seconds.
CN201710313071.0A 2017-05-05 2017-05-05 The method of adjustment and device in track and signal lamp cycle based on vehicle queue length Withdrawn CN107025792A (en)

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CN109979191A (en) * 2017-12-28 2019-07-05 杭州海康威视系统技术有限公司 Traffic signal control method, device, electronic equipment and computer readable storage medium
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CN110648536A (en) * 2019-09-27 2020-01-03 连云港杰瑞电子有限公司 Variable lane signal control method based on multiple traffic indexes
CN110910653A (en) * 2019-11-15 2020-03-24 上海电科智能系统股份有限公司 Scats signal intersection queuing length model construction method based on video detection
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CN111627241A (en) * 2020-05-27 2020-09-04 北京百度网讯科技有限公司 Method and device for generating vehicle queuing information
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