CN103426315A - Early-on early-off traffic control method and system applicable to average periods or bottom periods - Google Patents
Early-on early-off traffic control method and system applicable to average periods or bottom periods Download PDFInfo
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- CN103426315A CN103426315A CN2013103019005A CN201310301900A CN103426315A CN 103426315 A CN103426315 A CN 103426315A CN 2013103019005 A CN2013103019005 A CN 2013103019005A CN 201310301900 A CN201310301900 A CN 201310301900A CN 103426315 A CN103426315 A CN 103426315A
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Abstract
The invention relates to an early-on early-off traffic control method and system applicable to average periods or bottom periods. Going-straight green lights are turned on firstly for first preset time t1, the going-straight green lights and turning green lights are turned on simultaneously for second preset time t2, and the going-straight green lights are turned off while the turning green lights are turned on for third preset time t3. Going-straight vehicles are guaranteed to pass firstly in the first preset time t1, and the condition that going-straight is held by turning when the green lights for turning and going-straight are on simultaneously is prevented; in the second preset time t2, going-straight and turning vehicles proceed simultaneously and pass alternately at safe intervals, so that the vehicles driving in during the average periods or the bottom periods can pass intersections as quickly as possible; in the third preset time t3, way clearing protection time for turning vehicles stopping in regions for turning to pull away crossings safely is left, so that passing of following vehicles in other directions is facilitated. According to the method and the system, a gap acceptance theory is fully used, so that the intersection passing efficiency of the vehicles in all directions is improved, and the traveling efficiency and the traveling safety in the average periods or bottom periods are guaranteed.
Description
Technical field
Traffic control method of the present invention, specifically a kind of flat peak or the caducous traffic control method of the getting up early of ebb period and system of being applicable to.
Background technology
Reasonably traffic organization method is the important component part of intelligent transportation system (ITS), and it changes more greatly prerequisite of frequent, spacing with flat peak or ebb period intersection all directions wagon flow.In Ping Feng, ebb period, the vehicle flowrate of intersection is very unstable, according to phase place, lets pass respectively the green light loss greatly, and the crossing traffic efficiency reduces.If organize vehicle to let pass according to two phase place (lamp all over the screen) the clearance method generally adopted at present, current order is relatively chaotic, so-called two phase place release manner is to adopt craspedodrome and left-hand bend green light (certainly, for the country kept to the left for implementation, that craspedodrome and right-hand bend green light light simultaneously) light simultaneously, make through vehicles and left-hand bend vehicle pass through intersection simultaneously, so both increased the conflict point of craspedodrome and left turning vehicle, easily cause again the crossing driving disorder, after green light finishes, can't guarantee that left turning vehicle effectively passes through crossing, simultaneously because the left-hand bend vehicle is shorter than through vehicles path by the driving path at crossing, often occur that left-hand bend vehicle compacting through vehicles (main vehicle direct of travel) is normal current, in effective right of way, vehicle can't normally pass through crossing, the crossing traffic efficiency reduces.
In present specification, the turning green light refers to turn left green light in the country kept to the right, and in the country kept to the left, refers to the green light of turning right.
Summary of the invention
For this reason, to be solved by this invention is the existing low technical matters of crossing traffic efficiency of bringing according to phase place clearance green light and two phase place release manner, provide a kind of can effectively improve the crossing traffic efficiency be applicable to flat peak or the caducous traffic control method of the getting up early of ebb period and system.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
A kind of flat peak or caducous traffic control method of the getting up early of ebb period of being applicable to is provided, comprises the steps:
S1: control the craspedodrome green light and light the first schedule time t1;
S2: after the craspedodrome green light is lighted the first schedule time t1, control craspedodrome green light and turning green light and light the second schedule time t2 simultaneously;
S3: after craspedodrome green light and turning green light are lighted the second schedule time t2 simultaneously, control the craspedodrome green light and extinguish, the turning green light continues to light the 3rd schedule time t3;
Wherein, described the first schedule time t1 is equal to, or greater than first the car of waiting on each Through Lane and sails out of safely the time needed with opposite left turning vehicle conflict point; Described the second schedule time t2 is greater than zero, and described the first schedule time t1 and described the second schedule time t2 sum are equal to, or greater than and wait for that the pedestrains safety of keeping straight on is by the time needed; Described the 3rd schedule time t3 is greater than zero.
All described wait vehicles that the first schedule time t1 described in described step S1 calculates for the wait vehicle fleet size on the Through Lane according to detecting in real time sail out of the time needed; The all turning vehicles in described turning Dai Hang district that the quantity of the turning vehicle in turning Dai Hang district when the 3rd schedule time t3 described in described step S3 extinguishes for the described craspedodrome green light according to detecting in real time calculates sail out of the time needed.
5S≤t1≤12S and 5S≤t3≤12S.
In step S1, S2 and S3, all comprise that right-hand rotation green light or the left-hand rotation green light of controlling non-turning green light light the step of always lighting again after the 4th schedule time t4 at the craspedodrome green light simultaneously, wherein, the 4th schedule time t4 sails out of for the bicycle of wait for keeping straight on the time that zone that the right-hand rotation motor vehicle passes through needs.
Also comprised before step S1 and detect and judge that intersection is whether in flat peak or the pre-treatment step of ebb period, and in the described intersection of judgement in flat peak or ebb proceed to step S1 during the period.
Simultaneously, provide a kind of flat peak or caducous traffic control system of the getting up early of ebb period of being applicable to, comprising:
The first control module, light the first schedule time t1 for controlling the craspedodrome green light;
The second control module, after at the craspedodrome green light, lighting the first schedule time t1, control craspedodrome green light and turning green light and light the second schedule time t2 simultaneously;
The 3rd control module, for after craspedodrome green light and turning green light are lighted the second schedule time t2 simultaneously, control the craspedodrome green light and extinguish, and the turning green light continues to light the 3rd schedule time t3;
Wherein, described the first schedule time t1 is equal to, or greater than first the car of waiting on each Through Lane and sails out of safely the time needed with opposite left turning vehicle conflict point; Described the second schedule time t2 is greater than zero, and described the first schedule time t1 and described the second schedule time t2 sum are equal to, or greater than and wait for that the pedestrains safety of keeping straight on is by the time needed; Described the 3rd schedule time t3 is greater than zero.
All described wait vehicles that described the first schedule time t1 in described the first control module calculates for the wait vehicle fleet size on the Through Lane according to detecting in real time sail out of the time needed; The all turning vehicles in described turning Dai Hang district that the quantity of the turning vehicle in turning Dai Hang district when the 3rd schedule time t3 described in described step S3 extinguishes for the described craspedodrome green light according to detecting in real time calculates sail out of the time needed.
5S≤t1≤12S and 5S≤t3≤12S.
Also comprise the 4th control module, for light again after described the first control module, described the second control module and described the 3rd control module work the 4th schedule time t4 always, wherein, the 4th schedule time t4 sails out of for the bicycle of wait for keeping straight on the time that zone that the right-hand rotation motor vehicle passes through needs.
Also comprise pretreatment module, for detection of and judge that intersection is whether in flat peak or the ebb period, and in the described intersection of judgement in flat peak or ebb control described the first control module during the period and start working.
Technique scheme of the present invention has the following advantages compared to existing technology:
Flat peak or the caducous traffic control method of the getting up early of ebb period and the system of being applicable to of the present invention, by first lighting first schedule time of craspedodrome green light t1, and then light craspedodrome green light and turning green light (left-hand rotation green light or right-hand rotation green light) the second schedule time t2 simultaneously, the green light of finally keeping straight on extinguishes the turning green light and is lit the 3rd schedule time t3; At first, in the first schedule time t1, guaranteed that through vehicles first passes through, the situation that the compacting of turning while avoiding turning simultaneously and keep straight on green light is simultaneously kept straight on occurs; Then, at the second schedule time t2, craspedodrome and turning vehicle are advanced simultaneously, utilize safe distance between vehicles to intert current, make the vehicle that flat peak or ebb period sail into pass through as early as possible intersection, without very long wait; Finally, in the 3rd schedule time t3, make the turning vehicle that is parked in the turning area to be transferred have a safety to sail out of the guard time of cleaning the street at road junction, facilitate the vehicle pass-through of follow-up other directions.The present invention takes full advantage of and can intert the gap theory, has improved each side's vehicle fast by crossing, has improved road efficiency, has at utmost evaded again the vehicle conflict point, has guaranteed driving efficiency and the traffic safety of flat peak or ebb period.
Described the first schedule time t1 is by the wait vehicle fleet size on the described Through Lane of real-time detection and then calculates the time that all described wait vehicles sail out of needs; All turning vehicles that the quantity of described the 3rd schedule time t3 turning vehicle in turning Dai Hang district when extinguishing by the described craspedodrome green light of real-time detection calculates in described turning Dai Hang district sail out of the time needed.To control more and become more meticulous, detect in real time the wait vehicle on each track and calculate corresponding the first schedule time t1 and the 3rd schedule time t3, conflict by vehicle during by crossing drops to minimum, make that of the present invention to be applicable to flat peak or the caducous traffic control method of the getting up early of ebb period and system more targeted, traffic efficiency is higher.
For the wait vehicle on flat peak or ebb period Through Lane and turning roadway, select 5S≤t1≤12S or 5S≤t3≤12S, give to wait for through vehicles and sufficient time of departure of turning vehicle, the size of concrete time by crossing determines, crossing is larger, it is longer that the through vehicles of having waited for sails out of the time needed with opposite left turning vehicle conflict point, otherwise the time needed is shorter; Guarantee to account for a control cycle simultaneously and keep straight in the t2 time of most of period and turn and can fully intert and carry out, guarantee the crossing traffic efficiency, avoid follow-up vehicle to cross and wait as long for.
The accompanying drawing explanation
For content of the present invention is more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 be one embodiment of the invention be applicable to flat peak or the caducous traffic control method process flow diagram of the getting up early of ebb period;
The signal lamp clearance precedence diagram in flat peak or the caducous traffic control method of the getting up early of ebb period that is applicable to that Fig. 2 is one embodiment of the invention;
Fig. 3 is that thing shown in Fig. 2 is kept straight on, turned right to let pass and control schematic diagram;
Fig. 4 is that thing shown in Fig. 2 is kept straight on, turns left, turned right to let pass and control schematic diagram;
Fig. 5 is that thing shown in Fig. 2 turns left, turns right; Turn right to let pass and control schematic diagram in north and south;
Fig. 6 is to keep straight on, turn right to let pass and control schematic diagram in north and south shown in Fig. 2;
Fig. 7 is to keep straight on, turn left, turn right to let pass and control schematic diagram in north and south shown in Fig. 2;
Fig. 8 is to turn left, turn right in north and south shown in Fig. 2; Thing is turned right to let pass and is controlled schematic diagram;
Fig. 9 be one embodiment of the invention be applicable to flat peak or the caducous traffic control system structured flowchart of the getting up early of ebb period.
Embodiment
Shown in Figure 1, a kind of flat peak or caducous traffic control method of the getting up early of ebb period of being applicable to for one embodiment of the invention, so-called getting up early is caducous, for be through vehicles green light with respect to the green light of left turning vehicle light with the fall time comparatively speaking, specifically, the craspedodrome green light is lighted than left-hand rotation green light is early, and the craspedodrome green light extinguishes than left-hand rotation green light is early when extinguishing; Comprise the steps:
S1: control the craspedodrome green light and light the first schedule time t1; Now, the straightgoing vehicle of waiting at crossing passes through smoothly, and simultaneously, turning vehicle drives to turning Dai Hang district.
S2: after the craspedodrome green light is lighted the first schedule time t1, control craspedodrome green light and turning green light and light the second schedule time t2 simultaneously; Now, stop-light is equivalent in traditional lamp state all over the screen, and the straightgoing vehicle of arrival and the turning vehicle of waiting in turning Dai Hang district intert and pass through.
S3: after craspedodrome green light and turning green light are lighted the second schedule time t2 simultaneously, control the craspedodrome green light and extinguish, the turning green light continues to light the 3rd schedule time t3; Now, the through vehicles wait, turning vehicle passes through fast.
Wherein, described the first schedule time t1 is equal to, or greater than first the car of waiting on each Through Lane and sails out of safely the time needed with opposite left turning vehicle conflict point; Described the second schedule time t2 is greater than zero, and described the first schedule time t1 and described the second schedule time t2 sum are equal to, or greater than and wait for that the pedestrains safety of keeping straight on is by the time needed; Described the 3rd schedule time t3 is for being greater than zero.
Preferably, the first schedule time t1 described in the described step S1 in the present embodiment is for sailing out of the time needed according to all described wait vehicle on described Through Lane, and crossing is larger, and described the first schedule time t1 is larger; The all turning vehicles in turning Dai Hang district when extinguishing according to described craspedodrome green light of the 3rd schedule time t3 described in described step S3 sail out of the time needed; Described the second schedule time t2 preset according to the current cycle.Wherein, the country that implementation is kept to the right, described finger waiting zone; The country that implementation is kept to the left, the Dai Hang district that refers to turn right, described turning Dai Hang district.
Certainly, as other embodiment, for simplifying, control, improve control efficiency, described the first schedule time t1, described the second schedule time t2 and described the 3rd schedule time t3 can preset, as long as the first schedule time t1, described the second schedule time t2 and described the 3rd schedule time t3 are greater than zero, all can realize purpose of the present invention.Take into full account the magnitude of traffic flow characteristics of flat peak or ebb period, and common crossing size, usually, 5S≤t1≤12S and 5S≤t3≤12S.
As other a kind of flat peak or caducous traffic control method of the getting up early of ebb period of being applicable to of embodiment of the present invention, on the basis of the traffic control method of above-described embodiment, in described step S1, S2 and S3, all comprise that right-hand rotation green light or the left-hand rotation green light of controlling non-turning green light light the step of always lighting again after the 4th schedule time t4 at the craspedodrome green light simultaneously, wherein, the 4th schedule time t4 sails out of for the bicycle of wait for keeping straight on the time that zone that the right-hand rotation motor vehicle passes through needs.The independent current time of the bicycle of keeping straight on like this and a safety of pedestrian, the bicycle of craspedodrome and the conflict of right-hand rotation motor vehicle have been avoided; Improved again traffic efficiency.Certainly, the prerequisite of this step is in intersection, to be provided with or the right-hand rotation pilot lamp, for the intersection that corresponding pilot lamp is not set, is equal to the right-hand rotation green light or the left-hand rotation green light is lighted always.Wherein, the country that implementation is kept to the right, in described step S1, S2 and S3, control described right-hand rotation green light simultaneously and light after the craspedodrome green light is lighted the 4th schedule time t4 always again, or the right-hand rotation pilot lamp is not set; The country that implementation is kept to the left, in described step S1, S2 and S3, control described left-hand rotation green light simultaneously and light after the craspedodrome green light is lighted the 4th schedule time t4 always again, or the left-hand rotation pilot lamp is not set.
As other a kind of flat peak or caducous traffic control method of the getting up early of ebb period of being applicable to of embodiment of the present invention, on the basis of the traffic control method of above-described embodiment, also comprised before described step S1 and detect and judge that intersection is whether in flat peak or the pre-treatment step of ebb period, and in the described intersection of judgement in flat peak or ebb proceed to step S1 during the period.As a kind of embodiment, can obtain the wait vehicle by the ground induction coil be arranged on track, and then judge whether in flat peak or ebb according to pre-stored criterion, such as the vehicle fleet size of waiting for during in a red light is less than two, the time period that perhaps pre-stored ebb or flat peak are corresponding arrives, and judges that this intersection is in the ebb period.
Below be specifically described:
Shown in Figure 2, be the road cross signal lamp clearance precedence diagram of the caducous traffic control method of getting up early that is applicable to flat peak or ebb period of one embodiment of the invention.Orientation shown in figure is representing north, lower representative south, left representative west, right representative east.
Fig. 3 thing is kept straight on, right-hand rotation clearance schematic diagram.The lamp phase control module output of thing, North and South direction is set: by the green light terminal 39 of the green light terminal 36 of craspedodrome lamp group 8 in east orientation lamp phase control module 68, right-hand rotation lamp group 9, the red light terminal 31 of left-hand rotation lamp group 7; West is placed in UNICOM's state to the green light terminal 18 of craspedodrome lamp group 2 in lamp phase control module 66, the green light terminal 21 of right-hand rotation lamp group 3, the red light terminal 13 of left-hand rotation lamp group 1, simultaneously by the red light terminal 46 of the red light terminal 43 of craspedodrome lamp group 11 in south orientation lamp phase control module 69, right-hand rotation lamp group 12, the red light terminal 40 of left-hand rotation lamp group 10; In north orientation lamp phase control module 67, the red light terminal 22 of the red light terminal 28 of the red light terminal 25 of craspedodrome lamp group 5, right-hand rotation lamp group 6, left-hand rotation lamp group 4 is placed in UNICOM's state.Realize thing craspedodrome 2 and 8, turn right the bright 5-8 of 3 and 9 green light second, guarantee that east-west direction master wagon flow Through Lane vehicle 50 and 53, right- turn lane 51 and 54 vehicles pass through crossing smoothly, thing left turn lane 49 and 52 vehicles are 61 and 62 stop-for-waitings in area to be transferred, can avoid like this left turn lane 49 and 52 vehicles to disturb Through Lane 50 and 53 vehicle pass-throughs.
The craspedodrome of Fig. 4 thing, left-hand rotation, right-hand rotation clearance schematic diagram.The lamp phase control module output of thing, North and South direction is set: by the green light terminal 39 of the green light terminal 36 of craspedodrome lamp group 8 in east orientation lamp phase control module 68, right-hand rotation lamp group 9, the green light terminal 33 of left-hand rotation lamp group 7; West is placed in UNICOM's state to the green light terminal 18 of craspedodrome lamp group 2 in lamp phase control module 66, the green light terminal 21 of right-hand rotation lamp group 3, the green light terminal 15 of left-hand rotation lamp group 1, simultaneously by the red light terminal 46 of the red light terminal 43 of craspedodrome lamp group 11 in south orientation lamp phase control module 69, right-hand rotation lamp group 12, the red light terminal 40 of left-hand rotation lamp group 10; In north orientation lamp phase control module 67, the red light terminal 22 of the red light terminal 28 of the red light terminal 25 of craspedodrome lamp group 5, right-hand rotation lamp group 6, left-hand rotation lamp group 4 is placed in UNICOM's state.Realize thing craspedodrome 2 and 8, turn right the bright 5-8 of 3 and 9 green light after second, thing left-hand rotation green light 1 and 7 lights, Through Lane 50 and 53 and left turn lane 49 and 52 vehicles can intersect and pass through fast crossing having in the safe spacing situation according to vehicle, improved the crossing traffic efficiency, reduced the green light loss, 2 and 8 green lights of keeping straight on are lighted 18-25 after second, and craspedodrome green light 2 and 8 cuts out in advance, are left turn lane 49 and 52 vehicles reserved clearance time.
Fig. 5 thing turns left, turns right; North and south right-hand rotation clearance schematic diagram.The lamp phase control module output of thing, North and South direction is set: by the green light terminal 39 of the red light terminal 34 of craspedodrome lamp group 8 in east orientation lamp phase control module 68, right-hand rotation lamp group 9, the green light terminal 33 of left-hand rotation lamp group 7; West is placed in UNICOM's state to the red light terminal 16 of craspedodrome lamp group 2 in lamp phase control module 66, the green light terminal 21 of right-hand rotation lamp group 3, the green light terminal 15 of left-hand rotation lamp group 1, simultaneously by the green light terminal 48 of the red light terminal 43 of craspedodrome lamp group 11 in south orientation lamp phase control module 69, right-hand rotation lamp group 12, the red light terminal 40 of left-hand rotation lamp group 10; In north orientation lamp phase control module 67, the red light terminal 22 of the green light terminal 30 of the red light terminal 25 of craspedodrome lamp group 5, right-hand rotation lamp group 6, left-hand rotation lamp group 4 is placed in UNICOM's state.Realizing thing left-hand rotation green light 1 and 7 and turn right the independent bright 5-8 of 3 and 9 green light second, guarantee that thing left turn lane 49 and 52 vehicles in crossing have independent left-hand rotation right of way, the intersection vehicle is emptied, is that next phase place is passed through and carried out the path resource guarantee smoothly.
Keep straight in Fig. 6 north and south, right-hand rotation clearance schematic diagram.The lamp phase control module output of thing, North and South direction is set: by the green light terminal 48 of the green light terminal 45 of craspedodrome lamp group 11 in south orientation lamp phase control module 69, right-hand rotation lamp group 12, the red light terminal 40 of left-hand rotation lamp group 10; In north orientation lamp phase control module 67, the red light terminal 22 of the green light terminal 30 of the green light terminal 27 of craspedodrome lamp group 5, right-hand rotation lamp group 6, left-hand rotation lamp group 4 is placed in UNICOM's state, simultaneously by the red light terminal 37 of the red light terminal 34 of craspedodrome lamp group 8 in east orientation lamp phase control module 68, right-hand rotation lamp group 9, the red light terminal 31 of left-hand rotation lamp group 7; West is placed in UNICOM's state to the red light terminal 16 of craspedodrome lamp group 2 in lamp phase control module 66, the red light terminal 19 of right-hand rotation lamp group 3, the red light terminal 13 of left-hand rotation lamp group 1.Realize north and south craspedodrome 5 and 11, turn right the bright 5-8 of 6 and 12 green light second, guarantee that North and South direction master wagon flow Through Lane vehicle 56 and 59, right- turn lane 57 and 60 vehicles pass through crossing smoothly, north and south left turn lane 55 and 58 vehicles are 63 and 64 stop-for-waitings in area to be transferred, can avoid like this left turn lane 55 and 58 vehicles to disturb Through Lane 56 and 59 vehicle pass-throughs.
The craspedodrome of Fig. 7 north and south, left-hand rotation, right-hand rotation clearance schematic diagram.The lamp phase control module output of thing, North and South direction is set: by the green light terminal 48 of the green light terminal 45 of craspedodrome lamp group 11 in south orientation lamp phase control module 69, right-hand rotation lamp group 12, the green light terminal 42 of left-hand rotation lamp group 10; In north orientation lamp phase control module 67, the green light terminal 24 of the green light terminal 30 of the green light terminal 27 of craspedodrome lamp group 5, right-hand rotation lamp group 6, left-hand rotation lamp group 4 is placed in UNICOM's state, simultaneously by the red light terminal 37 of the red light terminal 34 of craspedodrome lamp group 8 in east orientation lamp phase control module 68, right-hand rotation lamp group 9, the red light terminal 31 of left-hand rotation lamp group 7; West is placed in UNICOM's state to the red light terminal 16 of craspedodrome lamp group 2 in lamp phase control module 66, the red light terminal 19 of right-hand rotation lamp group 3, the red light terminal 13 of left-hand rotation lamp group 1.Realize north and south craspedodrome 5 and 11, turn right the bright 5-8 of 6 and 12 green light after second, north and south left-hand rotation green light 4 and 10 lights, Through Lane 56 and 59 and left turn lane 55 and 58 vehicles can intersect and pass through fast crossing having in the safe spacing situation according to vehicle, improved the crossing traffic efficiency, reduced the green light loss, 5 and 11 green lights of keeping straight on are lighted 18-25 after second, and craspedodrome green light 5 and 11 cuts out in advance, are left turn lane 55 and 58 vehicles reserved clearance time.
Turn left, turn right in Fig. 8 north and south; Thing right-hand rotation clearance schematic diagram.The lamp phase control module output of thing, North and South direction is set: by the green light terminal 48 of the red light terminal 43 of craspedodrome lamp group 11 in south orientation lamp phase control module 69, right-hand rotation lamp group 12, the green light terminal 42 of left-hand rotation lamp group 10; In north orientation lamp phase control module 67, the green light terminal 24 of the green light terminal 30 of the red light terminal 25 of craspedodrome lamp group 5, right-hand rotation lamp group 6, left-hand rotation lamp group 4 is placed in UNICOM's state, simultaneously by the green light terminal 39 of the red light terminal 34 of craspedodrome lamp group 8 in east orientation lamp phase control module 68, right-hand rotation lamp group 9, the red light terminal 31 of left-hand rotation lamp group 7; West is placed in UNICOM's state to the red light terminal 16 of craspedodrome lamp group 2 in lamp phase control module 66, the green light terminal 21 of right-hand rotation lamp group 3, the red light terminal 13 of left-hand rotation lamp group 1.Realize north and south left-hand rotation green light 4 and 10 and turn right the independent bright 5-8 of 6 and 12 green light second, guarantee that Nei De north and south, crossing left turn lane 55 and 58 vehicles have independent left-hand rotation right of way, the intersection vehicle is emptied, being that next phase place is current smoothly carries out the path resource guarantee.
Shown in Figure 9, a kind of flat peak or the caducous traffic control system of the getting up early of ebb period of being applicable to for one embodiment of the invention comprises:
The first control module, light the first schedule time t1 for controlling the craspedodrome green light;
The second control module, after at the craspedodrome green light, lighting the first schedule time t1, control craspedodrome green light and turning green light and light the second schedule time t2 simultaneously;
The 3rd control module, for after craspedodrome green light and turning green light are lighted the second schedule time t2 simultaneously, control the craspedodrome green light and extinguish, and the turning green light continues to light the 3rd schedule time t3;
Wherein, described the first schedule time t1 is equal to, or greater than first the car of waiting on each Through Lane and sails out of safely the time needed with opposite left turning vehicle conflict point; Described the second schedule time t2 is greater than zero, and described the first schedule time t1 and described the second schedule time t2 sum are equal to, or greater than and wait for that the pedestrains safety of keeping straight on is by the time needed; Described the 3rd schedule time t3 is for being greater than zero.
Preferably, described first schedule time in described the first control module is for sailing out of the time needed according to all described wait vehicle on described Through Lane; All turning vehicles that the quantity that described the 3rd schedule time t3 in described the 3rd control module is the turning vehicle in turning Dai Hang district when detecting described craspedodrome green light and extinguish calculates in described turning Dai Hang district sail out of the time needed.
Certainly, as other embodiment, simplify and control, improve control efficiency, described the first schedule time t1, described the second schedule time t2 and described the 3rd schedule time t3 can preset, as long as the first schedule time t1, described the second schedule time t2 and described the 3rd schedule time t3 are greater than zero, all can realize purpose of the present invention.Take into full account magnitude of traffic flow characteristics and the intersection size of flat peak or ebb period, usually, 5S≤t1≤12S and 5S≤t3≤12S.
As other a kind of flat peak or caducous traffic control system of the getting up early of ebb period of being applicable to of embodiment of the present invention, on the basis of above-mentioned traffic control system, also comprise the 4th control module, for light again after described the first control module, described the second control module and described the 3rd control module work the 4th schedule time t4 always, wherein, the 4th schedule time t4 sails out of for the bicycle of wait for keeping straight on the time that zone that the right-hand rotation motor vehicle passes through needs, avoided the keeping straight on bicycle conflict of right-hand rotation motor vehicle, guarantee craspedodrome bicycle safety.
As other a kind of flat peak or caducous traffic control system of the getting up early of ebb period of being applicable to of embodiment of the present invention, on the basis of the traffic control system of above-described embodiment, also comprise pretreatment module, for detection of and judge that intersection is whether in flat peak or the ebb period, and in the described intersection of judgement in flat peak or ebb control described the first control module during the period and start working.
Flat peak or the caducous traffic control method of the getting up early of ebb period and the system of being applicable to of the present invention, by first lighting first schedule time of craspedodrome green light t1, and then light craspedodrome green light and turning green light (left-hand rotation green light or right-hand rotation green light) the second schedule time t2 simultaneously, the green light of finally keeping straight on extinguishes the turning green light and is lit the 3rd schedule time t3; At first, in the first schedule time t1, guaranteed that through vehicles first passes through, the situation that the compacting of turning while avoiding turning simultaneously and keep straight on green light is simultaneously kept straight on occurs; Then, at the second schedule time t2, craspedodrome and turning vehicle are advanced simultaneously, utilize safe distance between vehicles to intert current, make the vehicle that flat peak or ebb period sail into pass through as early as possible intersection, without very long wait; Finally, in the 3rd schedule time t3, make the turning vehicle that is parked in the turning area to be transferred have a safety to sail out of the guard time of cleaning the street at road junction, facilitate the vehicle pass-through of follow-up other directions.The present invention takes full advantage of and can intert the gap theory, has improved each side's vehicle fast by crossing, has improved road efficiency, has at utmost evaded again the vehicle conflict point, has guaranteed driving efficiency and the traffic safety of flat peak or ebb period.Through field survey, after having used control method of the present invention and system, how each each signal period of main intersection is just can be by 6-8 car, and per hour flow can increase more than 500.
Described the first schedule time t1 is by the wait vehicle fleet size on the described Through Lane of real-time detection and then calculates the time that all described wait vehicles sail out of needs; All turning vehicles that the quantity of described the 3rd schedule time t3 turning vehicle in turning Dai Hang district when extinguishing by the described craspedodrome green light of real-time detection calculates in described turning Dai Hang district sail out of the time needed.To control more and become more meticulous, detect in real time the wait vehicle on each track and calculate corresponding the first schedule time t1 and the 3rd schedule time t3, conflict by vehicle during by crossing drops to minimum, make that of the present invention to be applicable to flat peak or the caducous traffic control method of the getting up early of ebb period and system more targeted, traffic efficiency is higher.
For the wait vehicle on flat peak or ebb period Through Lane and turning roadway, select 5S≤t1≤8S or 5S≤t3≤8S, give to wait for through vehicles and sufficient time of departure of turning vehicle, guarantee to account for a control cycle keeps straight in the t2 time of most of period and turns and can fully intert and carry out simultaneously, guarantee the crossing traffic efficiency, avoid follow-up vehicle to cross and wait as long for.
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And the apparent variation of being extended out thus or change are still among the protection domain in the invention.
Claims (10)
1. one kind is applicable to flat peak or the caducous traffic control method of the getting up early of ebb period, it is characterized in that, comprises the steps:
S1: control the craspedodrome green light and light the first schedule time t1;
S2: after the craspedodrome green light is lighted the first schedule time t1, control craspedodrome green light and turning green light and light the second schedule time t2 simultaneously;
S3: after craspedodrome green light and turning green light are lighted the second schedule time t2 simultaneously, control the craspedodrome green light and extinguish, the turning green light continues to light the 3rd schedule time t3;
Wherein, described the first schedule time t1 is equal to, or greater than first the car of waiting on each Through Lane and sails out of safely the time needed with opposite left turning vehicle conflict point; Described the second schedule time t2 is greater than zero, and described the first schedule time t1 and described the second schedule time t2 sum are equal to, or greater than and wait for that the pedestrains safety of keeping straight on is by the time needed; Described the 3rd schedule time t3 is greater than zero.
2. a kind of flat peak or caducous traffic control method of the getting up early of ebb period of being applicable to according to claim 1, it is characterized in that, all described wait vehicles that the first schedule time t1 described in described step S1 calculates for the wait vehicle fleet size on the Through Lane according to detecting in real time sail out of the time needed; The all turning vehicles in described turning Dai Hang district that the quantity of the turning vehicle in turning Dai Hang district when the 3rd schedule time t3 described in described step S3 extinguishes for the described craspedodrome green light according to detecting in real time calculates sail out of the time needed.
3. a kind of flat peak or caducous traffic control method of the getting up early of ebb period of being applicable to according to claim 1, is characterized in that 5S≤t1≤12S and 5S≤t3≤12S.
4. according to arbitrary described a kind of flat peak or the caducous traffic control method of the getting up early of ebb period of being applicable to of claim 1-3, it is characterized in that, in step S1, S2 and S3, all comprise that right-hand rotation green light or the left-hand rotation green light of controlling non-turning green light light the step of always lighting again after the 4th schedule time t4 at the craspedodrome green light simultaneously, wherein, the 4th schedule time t4 sails out of for the bicycle of wait for keeping straight on the time that zone that the right-hand rotation motor vehicle passes through needs.
5. according to arbitrary described a kind of flat peak or the caducous traffic control method of the getting up early of ebb period of being applicable to of claim 1-4, it is characterized in that, also comprised before step S1 and detect and judge that intersection is whether in flat peak or the pre-treatment step of ebb period, and in the described intersection of judgement in flat peak or ebb proceed to step S1 during the period.
6. one kind is applicable to flat peak or the caducous traffic control system of the getting up early of ebb period, it is characterized in that, comprising:
The first control module, light the first schedule time t1 for controlling the craspedodrome green light;
The second control module, after at the craspedodrome green light, lighting the first schedule time t1, control craspedodrome green light and turning green light and light the second schedule time t2 simultaneously;
The 3rd control module, for after craspedodrome green light and turning green light are lighted the second schedule time t2 simultaneously, control the craspedodrome green light and extinguish, and the turning green light continues to light the 3rd schedule time t3;
Wherein, described the first schedule time t1 is equal to, or greater than first the car of waiting on each Through Lane and sails out of safely the time needed with opposite left turning vehicle conflict point; Described the second schedule time t2 is greater than zero, and described the first schedule time t1 and described the second schedule time t2 sum are equal to, or greater than and wait for that the pedestrains safety of keeping straight on is by the time needed; Described the 3rd schedule time t3 is greater than zero.
7. a kind of flat peak or caducous traffic control system of the getting up early of ebb period of being applicable to according to claim 6, it is characterized in that, all described wait vehicles that described the first schedule time t1 in described the first control module calculates for the wait vehicle fleet size on the Through Lane according to detecting in real time sail out of the time needed; The all turning vehicles in described turning Dai Hang district that the quantity of the turning vehicle in turning Dai Hang district when the 3rd schedule time t3 described in described step S3 extinguishes for the described craspedodrome green light according to detecting in real time calculates sail out of the time needed.
8. a kind of flat peak or caducous traffic control system of the getting up early of ebb period of being applicable to according to claim 6, is characterized in that 5S≤t1≤12S and 5S≤t3≤12S.
9. according to arbitrary described a kind of flat peak or the caducous traffic control system of the getting up early of ebb period of being applicable to of claim 6-8, it is characterized in that, also comprise the 4th control module, for light again after described the first control module, described the second control module and described the 3rd control module work the 4th schedule time t4 always, wherein, the 4th schedule time t4 sails out of for the bicycle of wait for keeping straight on the time that zone that the right-hand rotation motor vehicle passes through needs.
10. according to arbitrary described a kind of flat peak or the caducous traffic control system of the getting up early of ebb period of being applicable to of claim 6-9, it is characterized in that, also comprise pretreatment module, for detection of and judge that intersection is whether in flat peak or the ebb period, and in the described intersection of judgement in flat peak or ebb control described the first control module during the period and start working.
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