CN107705584A - A kind of urban road intersection Adaptive Signal Control method - Google Patents

A kind of urban road intersection Adaptive Signal Control method Download PDF

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CN107705584A
CN107705584A CN201710770979.4A CN201710770979A CN107705584A CN 107705584 A CN107705584 A CN 107705584A CN 201710770979 A CN201710770979 A CN 201710770979A CN 107705584 A CN107705584 A CN 107705584A
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intersection
signal phase
moment
signal
individual
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CN107705584B (en
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朱彤
吴昊
杨晨煊
王长帅
王晓勇
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Changan University
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Changan University
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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
    • 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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  • General Physics & Mathematics (AREA)
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Abstract

The invention discloses a kind of urban road intersection Adaptive Signal Control method, thinking is：Obtain the peak hour flow of the N number of entrance driveway in intersection and obtain long green light time corresponding to the signal phase of intersection K and the signal phase of intersection K；It is the signal phase time of running to make T, and T initial value is 1, TmaxFor the signal phase maximum time of running of setting；If the long green light time g of j-th of signal phase of T momentj(T) it is more than the green time minimum value g of each signal phasemin, then give intersection T moment jth ' m corresponding to individual signal phasej'(T) individual public vehicles and m'j'(T) individual mass transportation facilities are with right-of-way；If the long green light time g of j-th of signal phase of intersection T momentj(T) it is more than the green time maximum g of j-th of signal phasejmax, then intersection jth is given " and m corresponding to individual signal phasej”(T) individual public vehicles and m'j”(T) individual mass transportation facilities are with right-of-way；Until performing to TmaxMoment, and then complete urban road intersection Adaptive Signal Control.

Description

A kind of urban road intersection Adaptive Signal Control method
Technical field
The present invention relates to technical field of traffic control, more particularly to a kind of urban road intersection Adaptive Signal Control side Method.
Background technology
Since 21 century, vehicle population is gradually lifted per capita in city, but the construction of urban road and management nothing Contradiction between the effective solving road transport need of method and supply, causes urban congestion getting worse, especially in urban road Intersection, the particularly evident protrusion of jam；Therefore, various arise at the historic moment for the control of intersection and management method；However, What existing intersection signal control method all only considered is the quantity of each import direction vehicle and carries out intersection power Distribution, this results in stand-by period of intersection people and waited the ignorance of tolerance, reduces urban road intersection essence The service level of property.
The content of the invention
In view of the above-mentioned problems of the prior art, it is an object of the invention to propose that a kind of urban road intersection is adaptive Induction signal control method, this kind of urban road intersection Adaptive Signal Control method consider stand-by period of people from intersection with Tolerance, and the distribution of the model progress intersection power according to setting are waited, intersection public traffic in priority can be realized indirectly With people-oriented service theory.
To reach above-mentioned technical purpose, the present invention, which adopts the following technical scheme that, to be achieved.
A kind of urban road intersection Adaptive Signal Control method, comprises the following steps：
Step 1, the peak hour flow of the N number of entrance driveway in intersection is obtained, including each entrance driveway turns left, keeps straight on, turned right The peak hour flow in three directions；Signal phase configuration is carried out to N number of entrance driveway of intersection, obtains intersection K Long green light time corresponding to signal phase and the signal phase of intersection K, N, K are the positive integer more than 0；
Wherein, peak hour flow refers to vehicle in a given time interval and passes through car maximum in road specified time interval Hour flow；
Step 2, initialize：It is the signal phase time of running to make T, and T initial value is that 1, T is just whole more than or equal to 1 Number, T ∈ { 1,2 ..., Tmax, TmaxFor the signal phase maximum time of running of setting；
Step 3, determine the headstock of j-th of signal phase of intersection T moment, i-th public vehicles to intersection respectively The distance of stop line isDetermine that j-th of signal phase of intersection T moment, the headstock of the i-th ' individual mass transportation facilities arrive The distance of intersection parking line isDetermine j-th of signal phase of intersection T moment, the i-th ' individual mass transportation facilities Handling capacity of passengers when corresponding to entrance driveway to intersection is
i∈{1,2,…,mj(T) }, mj(T) society in preset range is corresponded to for intersection j-th of signal phase of T moment Meeting vehicle instant number, i' ∈ { 1,2 ..., mj' (T), m'j(T) it is corresponding default for j-th of signal phase of intersection T moment In the range of mass transportation facilities instant number, mjAnd m' (T)j'(T) positive integer respectively more than 0；J ∈ { 1,2 ..., K }, K For signal phase total number, K is the positive integer more than 0；
Step 4, corresponding m when calculating intersection T j-th of signal phase of moment respectivelyj(T) wait of individual public vehicles Corresponding m' when index and intersection T j-th of signal phase of momentj(T) the wait index of individual mass transportation facilities；
Step 5, the maximum wait index intersection in K signal phase of intersection T moment is calculated, obtains intersection the It is maximum in K signal phase of T moment to wait signal phase j', j' ∈ { 1,2 ..., K } corresponding to index；
Step 6, time maximum wait index in K signal phase of intersection T moment is calculated, when obtaining intersection T Carve signal phase j ", j " ∈ corresponding to the maximum wait index in remaining signal phase for not including j' in K signal phase 1, 2,…,K}：
Step 7, the green time minimum value of each signal phase is set, if the green light of j-th of signal phase of T moment Duration gj(T) it is more than the green time minimum value g of each signal phasemin, then give intersection T moment jth ' individual signal phase M corresponding to positionj'(T) individual public vehicles and m'j'(T) individual mass transportation facilities perform step 8 with right-of-way；If T moment jth The long green light time g of individual signal phasej(T) it is less than or equal to the green time minimum value g of each signal phasemin, then T value is made Add 1, return to step 3；
Step 8, the green time maximum of j-th of signal phase is determined, if j-th of signal phase of intersection T moment The long green light time g of positionj(T) it is more than the green time maximum g of j-th of signal phasejmax, then intersection jth is given " and individual signal M corresponding to phasej”(T) individual public vehicles and m'j”(T) individual mass transportation facilities are with right-of-way；If j-th of the intersection T moment The long green light time g of signal phasej(T) it is less than or equal to the green time maximum g of j-th of signal phasejmax, then T value is made to add 1, return to step 3；
Until performing to TmaxMoment, and then complete urban road intersection Adaptive Signal Control.
Beneficial effects of the present invention：
It is a kind of to consider that intersection waits the Adaptive Signal Control method of index be according to intersection public vehicles away from parking Linear distance, mass transportation facilities are away from 'STOP' line ahead and its handling capacity of passengers, and analysis, which calculates, waits index corresponding to each phase, so as to really An operation phase is fixed, it is more scientific and reasonable easy to implement compared with existing each computation model, operand is greatly reduced, is strengthened The real-time and validity of Adaptive Signal Control.
The present invention takes into full account that mass transportation facilities handling capacity of passengers is much larger than the reality of public vehicles from microcosmic aspect, passes through The present invention can effectively improve the priority that intersection mass transportation facilities are let pass, and the minimum and maximum green time of each phase Limitation and can takes into account the current and safety of pedestrian and public vehicles, the service level of general increase intersection well.
Brief description of the drawings
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is a kind of urban road intersection Adaptive Signal Control method flow diagram of the present invention.
Embodiment
Reference picture 1, for a kind of urban road intersection Adaptive Signal Control method flow diagram of the present invention；It is wherein described Urban road intersection Adaptive Signal Control method, comprises the following steps：It is a kind of to consider that intersection waits the adaptive of index Signal control method,
Step 1, the peak hour flow of the N number of entrance driveway in intersection is obtained, peak hour flow referred to given less than 1 hour Time interval in, usually 15 minutes, vehicle by Car-hour flow maximum in road specified time interval, with/ Hour is unit；Peak hour flow is the special bus flow in 6 points to 8 points of 7 points to 9 points of morning and evening in the present embodiment, The peak hour flow turn left including each entrance driveway, kept straight on, turn right three directions；According to Robert Webster timing method to intersection N number of entrance driveway carry out Signal phase configuration, obtain the signal phase of intersection K and the signal phase pair of intersection K The long green light time answered, 2≤K≤N；The long green light time of wherein k-th signal phase is gk,L tables Show the intersection total losses time, refer to the time that all traffic directions all can not be utilized effectively in the N number of entrance driveway in intersection；Y is represented The magnitude of traffic flow ratio of intersection,ykThe flow-rate ratio of k-th of signal phase is represented, k ∈ { 1,2 ..., K }, K represent letter Number phase total number, N, K are the positive integer more than 0.
It is determined that the amber light duration of each signal phase, can use 3 seconds；If jthxAfter the long green light time of individual signal phase terminates Being detained vehicle in intersection can not empty in time, then jthxComplete red control is used at the end of the long green light time of individual signal phase with clear All delay vehicles in empty intersection；N is crossing inlet road total number, and N is the positive integer more than 0；jxFor K signal Any one in phase；When intersection is T-shaped road junction, N=3, K=3；When intersection is crossroad, during N=4, K= 4。
Assuming that there are East and West direction entrance driveway and south orientation entrance driveway in intersection, then setting intersection signal phase is：Thing is to the left Turn, East and West direction straight trip and south orientation turn left, and entrance driveway right-turning vehicles control without signal, remember signal phase l for thing to the left Phase inversion position, when signal phase l is run, East and West direction entrance driveway left rotaring signal lamp gives a green light, l ∈ { 1,2 ..., K }；As N=4, K=4, it is assumed that there are East and West direction entrance driveway and north-south entrance driveway in intersection, and setting intersection signal phase is：Thing is turned left, East and West direction is kept straight on, and north and south is turned left, and north-south straight trip, entrance driveway right-turning vehicles control without signal, and note signal phase f is south North orientation left turn phase, when signal phase f is run, north-south entrance driveway left rotaring signal lamp gives a green light, f ∈ { 1,2 ..., K }.
Step 2, it is determined that, it is necessary to consider the N number of entrance driveway in intersection simultaneously during the N number of K signal phase of entrance driveway in intersection The factor of current two aspects of efficiency and safety.
Initialization：Intersection current demand signal phase is represented with j, j ∈ { 1,2 ..., K }, K are signal phase total number, K For the positive integer more than 0；It is the signal phase time of running to make T, and T initial value is that 1, T is positive integer more than or equal to 1, T ∈ {1,2,…,Tmax, TmaxFor the signal phase maximum time of running of setting.
Step 3, calculate j-th of signal phase intersection of T moment and wait index, j ∈ { 1,2 ..., K }；Using detection Device or bus or train route communication equipment detect the headstock of j-th of signal phase of intersection T moment, i-th public vehicles to intersecting The distance of mouthful stop line isJ-th of signal of intersection T moment is detected using detector or bus or train route communication equipment Phase, the distance of headstock to intersection parking line of the i-th ' individual mass transportation facilities areLed to using detector or bus or train route When letter equipment detects that j-th of signal phase of intersection T moment, the i-th ' individual mass transportation facilities to intersection correspond to entrance driveway Handling capacity of passengers be
Wherein, i ∈ { 1,2 ..., mj(T) }, mj(T) corresponded to for intersection j-th of signal phase of T moment in preset range Public vehicles instant number, i' ∈ { 1,2 ..., mj' (T), m'j(T) it is corresponding for j-th of signal phase of intersection T moment Mass transportation facilities instant number in preset range, mjAnd m' (T)j'(T) positive integer respectively more than 0, pre-determined distance model Enclose the scope in 500 meters from entrance driveway stop line of span.
Step 4, corresponding m when calculating intersection T j-th of signal phase of momentj(T) the wait index of individual public vehicles W1 j(T),Rand (Isosorbide-5-Nitrae) is to take the random integers between 1 to 4, each social car Handling capacity of passengers is up to 4 people,Represent the headstock of j-th of signal phase of intersection T moment, i-th public vehicles to friendship The distance of prong stop line.
Corresponding m' when calculating intersection T j-th of signal phase of momentj(T) the wait index of individual mass transportation facilities
Represent j-th of signal phase of intersection T moment, i-th ' individual The handling capacity of passengers of mass transportation facilities,Represent j-th of signal phase of intersection T moment, the i-th ' individual mass transportation facilities Headstock to intersection parking line distance；J-th of signal phase of intersection T moment, the load of the i-th ' individual mass transportation facilities Volume of passenger trafficAccurate public transport vehicle-mounted volume of passenger traffic is needed, the wait index of mass transportation facilities could be calculated exactly.
Step 5, this sentences the wait index of people to represent the current demand of j-th of signal phase of intersection T moment, needs Choose the maximum of people from intersection and wait signal phase corresponding to index, willIt is designated as the intersection T moment M corresponding to j signal phasej(T) individual public vehicles and m'j(T) the wait index of individual mass transportation facilities, respectively obtains intersection Mouth the 1st m corresponding to signal phase of the T momentj(T) individual public vehicles and m'j(T) the wait index of individual mass transportation facilitiesTo m corresponding to the T moment k-th signal phases of intersectionK(T) individual public vehicles and m'K(T) individual public friendship The wait index being open to trafficWillExtremelyMiddle maximum wait exponent pair The signal phase answered is designated as j', and then obtains the maximum wait index W in K signal phase of intersection T momentmax(T),max1≤j≤K,j'∈{1,…,K}Expression is asked for Signal phase j', j' are corresponding to maximum wait index in K signal phase of intersection T momentExtremelySignal phase corresponding to middle maximum wait index, j' ∈ { 1,2 ..., K },Represent to hand over The 1st m corresponding to signal phase of prong T momentj(T) individual public vehicles and m'j(T) the wait index of individual mass transportation facilities,Represent m corresponding to the T moment k-th signal phases of intersectionj(T) individual public vehicles and m'j(T) individual public affairs The wait index of vehicular traffic altogether, K represent signal phase total number.
Step 6, if j-th of signal phase of intersection T moment waits index W to be maximummax(T) signal phase corresponding to , will, it is necessary to obtain time signal phase j " corresponding to maximum wait index in K signal phase of intersection T moment during position Do not include Wmax(T)ExtremelyIn maximum wait signal phase corresponding to index to be designated as The individual signals of j ", and give time and maximum to wait signal phase j " corresponding to index with right-of-way, that is, to give intersection T moment jth " M corresponding to phasej”(T) individual public vehicles and m'j”(T) individual mass transportation facilities are with right-of-way, and then when obtaining intersection T Carve time maximum wait index W in K signal phase 'max(T),
max1≤j≤K,j”≠j',j”∈{1,…,K}Represent to ask for remaining letter for not including j' in K signal phase of intersection T moment Maximum in number phase waits signal phase j " corresponding to index, and j " is does not include Wmax'sExtremelyIn it is maximum wait signal phase corresponding to index, j " ∈ { 1,2 ..., K }, j " ≠ j',Represent the 1st m corresponding to signal phase of the intersection T momentj(T) individual public vehicles and m'j(T) it is individual public The wait index of vehicular traffic,Represent m corresponding to the T moment k-th signal phases of intersectionj(T) individual society Can vehicle and m'j(T) the wait index of individual mass transportation facilities.
Step 7, the green time minimum value of each signal phase is set as gmin,LpRepresent people's row Lateral road length, vpPedestrian's street crossing leg speed is represented, I represents green light time interval.
If the long green light time g of j-th of signal phase of T momentj(T) it is minimum more than the green time of each signal phase Value gmin, then give intersection T moment jth ' m corresponding to individual signal phasej'(T) individual public vehicles and m'j'(T) individual public friendship It is open to traffic with right-of-way, performs step 8；If the long green light time g of j-th of signal phase of T momentj(T) it is less than or equal to each The green time minimum value g of signal phasemin, then T value is made to add 1, return to step 3.
Step 8, the green time maximum for determining j-th of signal phase is gjmaxIf j-th of the intersection T moment The long green light time g of signal phasej(T) it is more than the green time maximum g of j-th of signal phasejmax, then intersection jth is given " M corresponding to individual signal phasej”(T) individual public vehicles and m'j”(T) individual mass transportation facilities are with right-of-way；If during the T of intersection Carve the long green light time g of j-th of signal phasej(T) it is less than or equal to the green time maximum g of j-th of signal phasejmax, then make T value adds 1, return to step 3.
Wherein, gjmax=gj0+ 30, gj0Represent the initial value of j-th of signal phase, j-th of signal phase it is initial It is worth for the long green light time g of j-th of signal phasej。
Until performing to TmaxMoment, and then complete urban road intersection Adaptive Signal Control.
The present invention is illustrated and described to preferred embodiment, as long as it is understood by those skilled in the art that Without departing from scope defined by the claims of the present invention, variations and modifications can be carried out to the present invention.

Claims (7)

  1. A kind of 1. urban road intersection Adaptive Signal Control method, it is characterised in that comprise the following steps：
    Step 1, the peak hour flow of the N number of entrance driveway in intersection is obtained, including each entrance driveway turns left, keeps straight on, turned right three The peak hour flow in direction；Signal phase configuration is carried out to N number of entrance driveway of intersection, obtains the signal of intersection K Long green light time corresponding to phase and the signal phase of intersection K, N, K are the positive integer more than 0；
    Wherein, it is small by vehicle maximum in road specified time interval to refer to vehicle in a given time interval for peak hour flow Shi Liuliang；
    Step 2, initialize：It is the signal phase time of running to make T, and T initial value is that 1, T is positive integer more than or equal to 1, T ∈{1,2,…,Tmax, TmaxFor the signal phase maximum time of running of setting；
    Step 3, determine the headstock of j-th of signal phase of intersection T moment, i-th public vehicles to intersection parking respectively The distance of line isDetermine j-th of signal phase of intersection T moment, the i-th ' individual mass transportation facilities headstock to intersect The distance of mouthful stop line isDetermine j-th of signal phase of intersection T moment, the i-th ' individual mass transportation facilities to intersection Handling capacity of passengers during mouthful corresponding entrance driveway is
    Wherein, i ∈ { 1,2 ..., mj(T) }, mj(T) society in preset range is corresponded to for intersection j-th of signal phase of T moment Meeting vehicle instant number, i' ∈ { 1,2 ..., mj' (T), m'j(T) it is corresponding default for j-th of signal phase of intersection T moment In the range of mass transportation facilities instant number, mjAnd m' (T)j'(T) positive integer respectively more than 0；J ∈ { 1,2 ..., K }, K For signal phase total number, K is the positive integer more than 0；
    Step 4, corresponding m when calculating intersection T j-th of signal phase of moment respectivelyj(T) the wait index of individual public vehicles With corresponding m' during T j-th of the signal phase of moment of intersectionj(T) the wait index of individual mass transportation facilities；
    Step 5, the maximum wait index in K signal phase of intersection T moment is calculated, obtains K letter of intersection T moment It is maximum in number phase to wait signal phase j', j' ∈ { 1,2 ..., K } corresponding to index；
    Step 6, time maximum wait index in K signal phase of intersection T moment is calculated, obtains intersection T moment K Do not include in j' remaining signal phase in signal phase it is maximum wait signal phase j ", j " ∈ corresponding to index 1,2 ..., K}：
    Step 7, the green time minimum value of each signal phase is set, if the long green light time of j-th of signal phase of T moment gj(T) it is more than the green time minimum value g of each signal phasemin, then give intersection T moment jth ' individual signal phase pair The m answeredj'(T) individual public vehicles and m'j'(T) individual mass transportation facilities perform step 8 with right-of-way；If the T moment believes for j-th The long green light time g of number phasej(T) it is less than or equal to the green time minimum value g of each signal phasemin, then make T value add 1, Return to step 3；
    Step 8, the green time maximum of j-th of signal phase is determined, if j-th of signal phase of intersection T moment Long green light time gj(T) it is more than the green time maximum g of j-th of signal phasejmax, then intersection jth is given " and individual signal phase Corresponding mj”(T) individual public vehicles and m'j”(T) individual mass transportation facilities are with right-of-way；If j-th of signal of intersection T moment The long green light time g of phasej(T) it is less than or equal to the green time maximum g of j-th of signal phasejmax, then make T value add 1, return Return step 3；
    Until performing to TmaxMoment, and then complete urban road intersection Adaptive Signal Control.
  2. 2. a kind of urban road intersection Adaptive Signal Control method as claimed in claim 1, it is characterised in that in step In 1, the long green light time of k-th of signal phase is g in long green light time corresponding to the K signal phasek,L represents the intersection total losses time, refers in the N number of entrance driveway in intersection all traffic directions all The time that can not effectively utilize；Y represents the magnitude of traffic flow ratio of intersection,ykRepresent the flow of k-th of signal phase Than k ∈ { 1,2 ..., K }, K represent signal phase total number, 2≤K≤N；When intersection is T-shaped road junction, N=3, K=3； When intersection is crossroad, during N=4, K=4.
  3. 3. a kind of urban road intersection Adaptive Signal Control method as claimed in claim 2, it is characterised in that in step In 4, corresponding m during intersection T j-th of signal phase of momentj(T) the wait index of individual public vehicles is W1 j(T),Rand (Isosorbide-5-Nitrae) is to take the random integers between 1 to 4, each public vehicles carrying Amount is up to 4 people,Represent that j-th of signal phase of intersection T moment, the headstock of i-th of public vehicles stop to intersection The distance of fare；
    Corresponding m' during intersection T j-th of signal phase of momentj(T) the wait index of individual mass transportation facilities is
    Represent j-th of signal phase of intersection T moment, i-th ' individual public The handling capacity of passengers of vehicular traffic,Represent j-th of signal phase of intersection T moment, the headstock of the i-th ' individual mass transportation facilities To the distance of intersection parking line.
  4. 4. a kind of urban road intersection Adaptive Signal Control method as claimed in claim 3, it is characterised in that in step In 5, the maximum wait index in K signal phase of the intersection T moment is Wmax(T),max1≤j≤K,j'∈{1,…,K}Expression is asked for Maximum in K signal phase of intersection T moment to wait signal phase j' corresponding to index, j' ∈ { 1,2 ..., K }, j' areExtremelySignal phase corresponding to middle maximum wait index, K represent signal phase total number,Represent the 1st m corresponding to signal phase of the intersection T momentj(T) individual public vehicles and m'j(T) it is individual public The wait index of vehicular traffic,Represent m corresponding to the T moment k-th signal phases of intersectionj(T) individual society Can vehicle and m'j(T) the wait index of individual mass transportation facilities.
  5. 5. a kind of urban road intersection Adaptive Signal Control method as claimed in claim 4, it is characterised in that in step In 6, time maximum wait index in K signal phase of the intersection T moment is W'max(T),
    <mrow> <msub> <msup> <mi>W</mi> <mo>&amp;prime;</mo> </msup> <mi>max</mi> </msub> <mrow> <mo>(</mo> <mi>T</mi> <mo>)</mo> </mrow> <mo>=</mo> <msub> <mi>max</mi> <mrow> <mn>1</mn> <mo>&amp;le;</mo> <mi>j</mi> <mo>&amp;le;</mo> <mi>K</mi> <mo>,</mo> <msup> <mi>j</mi> <mrow> <mo>&amp;prime;</mo> <mo>&amp;prime;</mo> </mrow> </msup> <mo>&amp;NotEqual;</mo> <msup> <mi>j</mi> <mo>&amp;prime;</mo> </msup> <mo>,</mo> <msup> <mi>j</mi> <mrow> <mo>&amp;prime;</mo> <mo>&amp;prime;</mo> </mrow> </msup> <mo>&amp;Element;</mo> <mo>{</mo> <mn>1</mn> <mo>,</mo> <mo>...</mo> <mo>,</mo> <mi>K</mi> <mo>}</mo> </mrow> </msub> <mrow> <mo>(</mo> <msubsup> <mi>W</mi> <mn>1</mn> <mn>1</mn> </msubsup> <mo>(</mo> <mi>T</mi> <mo>)</mo> <mo>+</mo> <msubsup> <mi>W</mi> <mn>2</mn> <mn>1</mn> </msubsup> <mo>(</mo> <mi>T</mi> <mo>)</mo> <mo>,</mo> <mo>...</mo> <mo>,</mo> <msubsup> <mi>W</mi> <mn>1</mn> <mi>K</mi> </msubsup> <mo>(</mo> <mi>T</mi> <mo>)</mo> <mo>+</mo> <msubsup> <mi>W</mi> <mn>2</mn> <mi>K</mi> </msubsup> <mo>(</mo> <mi>T</mi> <mo>)</mo> <mo>)</mo> </mrow> </mrow>
    max1≤j≤K,j”≠j',j”∈{1,…,K}Represent to ask for remaining the signal phase for not including j' in K signal phase of intersection T moment Signal phase j ", j " corresponding to maximum wait index in position are not include Wmax'sExtremely In it is maximum wait signal phase corresponding to index, j " ∈ { 1,2 ..., K }, j " ≠ j', K represent signal phase total number,Represent the 1st m corresponding to signal phase of the intersection T momentj(T) individual public vehicles and m'j(T) it is individual public The wait index of vehicular traffic,Represent m corresponding to the T moment k-th signal phases of intersectionj(T) individual society Can vehicle and m'j(T) the wait index of individual mass transportation facilities.
  6. 6. a kind of urban road intersection Adaptive Signal Control method as claimed in claim 5, it is characterised in that in step In 7, the green time minimum value of each signal phase is gmin,LpRepresent crossing length, vp Pedestrian's street crossing leg speed is represented, I represents green light time interval.
  7. 7. a kind of urban road intersection Adaptive Signal Control method as claimed in claim 6, it is characterised in that in step In 8, the green time maximum of j-th of signal phase is gjmax, gjmax=gj0+ 30, gj0Represent j-th signal phase Initial value, the initial value of j-th of signal phase are the long green light time g of j-th of signal phasej。
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CN108389406A (en) * 2018-04-26 2018-08-10 苏州城方信息技术有限公司 Signal control time Automated Partition Method
CN109035780A (en) * 2018-09-07 2018-12-18 江苏智通交通科技有限公司 The Optimal Configuration Method in section is incuded when signal controlled junctions phase is green

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