CN102426793A - Expressway exit alternative passing control method and control device - Google Patents
Expressway exit alternative passing control method and control device Download PDFInfo
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- CN102426793A CN102426793A CN2011103947137A CN201110394713A CN102426793A CN 102426793 A CN102426793 A CN 102426793A CN 2011103947137 A CN2011103947137 A CN 2011103947137A CN 201110394713 A CN201110394713 A CN 201110394713A CN 102426793 A CN102426793 A CN 102426793A
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Abstract
The invention discloses an expressway exit alternative passing control method and control device. The method comprises the steps of: setting a stop line and signal lamps at an upstream change lane of a side road at the expressway exit for each lane; setting a detection device which is used for detecting a vehicle congestion condition in front of the stop line for each lane; and transmitting vehicle congestion signals detected by the detection device to a signal machine so that the signal machine controls the signal lamps according to the received vehicle congestion signals so as to control each lane to be in a normal state or an alternative passing state. According to the method and device disclosed by the invention, the side road congestion condition is detected by the detector, corresponding control is performed according to the detection result, and congestion problem of the expressway exit can be solved efficiently.
Description
Technical field
The present invention relates to intelligent transportation control field, specifically, relate to the through street and export alternately let pass control method and control device.
Background technology
City expressway can be dredged transregional traffic for long distance trip service, is the main traffic connection passage between center and fringe region, central city and the new city, between the external radioactive ray highway in central city arterial highway and city.City expressway is a relatively independent system, intersects with other roads of city to be grade separation, and the outlet both sides all should be provided with bypass with the import and export of contact both sides in the through street, for providing convenience vehicle turnover through street.
Along with the continuous growth of mechanical transport demand, the traffic congestion phenomenon of through street system is also very serious, and the degree of crowding is still being increasingly sharpened.Especially export bypass upper reaches road neck in the through street; The lane change because the multilane vehicle crosses herein, when the bypass vehicle flowrate was big, bypass and main road vehicle near the outlet of through street seriously interweaved; Traffic order is chaotic; Potential safety hazard is bigger, and then makes that the through street jam is serious, and effect fast can not be brought into play in the through street.Existing traffic control to the through street outlet is fairly simple, generally is the signal control method directly transplanting with urban intersection, can not effectively solve near the outlet of through street and the problem of blocking up of through street.
Summary of the invention
One of the object of the invention provides a kind of through street and exports the control method of alternately letting pass, and this method detects the bypass congestion through detecting device, carries out control corresponding according to testing result, efficiently solves the problem of blocking up of through street outlet.
For solving the problems of the technologies described above, the present invention adopts following technical proposals to be achieved:
A kind of through street exports the control method of alternately letting pass, and said method comprises the steps:
Upper reaches lane change place at the bypass in exit, through street is provided with stop line and signal lamp for each track;
Before stop line, be provided for detecting the pick-up unit of vehicle jam situation for each track;
The vehicle that pick-up unit the is detected signal that blocks up transfers to teleseme, and teleseme is according to the vehicle that the receives signal control signal lamp that blocks up, and is normality or clearance state alternately to control each track;
Wherein, during normality, the signal lamp in outermost track is for long green in each track in the bypass before the lane change, and the signal lamp in all the other each tracks is a red light; When alternately letting pass state, each track in the bypass before the lane change alternately gets into green light, sails the vehicle in the lane change bypass afterwards into alternately to let pass.
Aforesaid control method; The vehicle that said pick-up unit the detects signal that blocks up is the vehicle in the track at the pick-up unit place occupation rate of blocking up; The vehicle in
track occupation rate
of blocking up; Wherein,
is the occupation rate of the pick-up unit per second in
track,
block up the sign time for what be provided with.
Aforesaid control method; Said
is 5-20 second, and is preferably 10 seconds.
Aforesaid control method, said teleseme are judged the vehicle of the pick-up unit transmission in each track that the receives occupation rate of blocking up, and when existing the vehicle greater than the trigger value of alternately letting pass to block up occupation rate, control each track and are clearance state alternately; And block up occupation rate all when alternately letting pass close value at all vehicles, controlling each track is normality.
Aforesaid control method, for guaranteeing to have a good transport and communication network, avoid traffic disturbance, the said close value of alternately letting pass is less than the said trigger value of alternately letting pass.
Aforesaid control method, each track of said teleseme control can adopt following step to realize by the process that normality transfers the state of alternately letting pass to:
The signal lamp in a, the said outermost of control track alternately begins amber light by long green entering; The signal lamp that alternately begins control outermost track after yellow time that reaches setting gets into red light, and the signal lamp entering in any track of control except that the outermost track the green light of alternately letting pass;
B, after the signal lamp that gets into the green light of alternately letting pass reaches the green time of alternately letting pass of setting, control this signal lamp and get into alternately amber light;
C, getting into after alternately the signal lamp of amber light reaches the alternately yellow time of setting, the signal lamp of controlling this track gets into alternately red light, and the signal lamp of controlling other any tracks that does not get into the green light of alternately letting pass simultaneously gets into the green light of alternately letting pass;
D, repeat above-mentioned steps b and step c, the signal lamp in all tracks is all through the green light of alternately letting pass;
E, repeated execution of steps b are to steps d.
Two of the object of the invention provides a kind of through street and exports the control device of alternately letting pass, and this device can detect the congestion of exit, through street bypass, and according to testing result the traffic of through street outlet is controlled.
For realizing above-mentioned technical purpose, the present invention adopts following technical proposals to realize:
A kind of through street exports the control device of alternately letting pass, and said control device comprises:
The stop line and the signal lamp that are provided with for each track in upper reaches lane change place of the bypass in exit, through street;
Before stop line, be each track pick-up unit that be provided with, that be used to detect the vehicle jam situation; And
Teleseme is connected respectively with pick-up unit and signal lamp, the vehicle that the is used for receiving detection device output signal that blocks up, and then to control each track be normality or clearance state alternately;
Wherein, during normality, the signal lamp in outermost track is for long green in each track in the bypass before the lane change, and the signal lamp in all the other each tracks is a red light; When alternately letting pass state, each track in the bypass before the lane change alternately gets into green light, sails the vehicle in the lane change bypass afterwards into alternately to let pass.
Aforesaid control device; The vehicle that said pick-up unit the detects signal that blocks up is the vehicle in the track at the pick-up unit place occupation rate of blocking up; The vehicle in
track occupation rate
of blocking up; Wherein,
is the occupation rate of the pick-up unit per second in
track,
block up the sign time for what be provided with.
Aforesaid control device; Said teleseme is judged the vehicle of the pick-up unit transmission in each track that the receives occupation rate of blocking up; And when existing a vehicle to block up occupation rate greater than the trigger value of alternately letting pass; Control each track and be clearance state alternately, and block up occupation rate all when alternately letting pass close value at all vehicles, controlling each track is normality.
Compared with prior art; Advantage of the present invention and good effect are: control of export method in through street of the present invention and control device detect the traffic congestion situation in the lane change bypass before through detecting device is set; Carry out control corresponding according to testing result, specifically, at vehicle flowrate hour; To in the bypass before the lane change of through street vehicle carry out normality control, guarantee the even running of wagon flow; When vehicle flowrate is big; Adopt the vehicle in the control method control through street lane change bypass before of alternately letting pass; Effectively solve near the problem that bypass and main road vehicle seriously interweave, traffic order is chaotic, potential safety hazard the is bigger through street outlet that causes because of the lane change that crosses at the bypass place, ensured that the through street outlet is orderly, stablize, safe traffic order.
After advantages embodiment of the present invention, other characteristics of the present invention and advantage will become clearer.
Description of drawings
Fig. 1 is the application architecture synoptic diagram that through street of the present invention exports the embodiment of control device that alternately lets pass;
Alternately the let pass process flow diagram of an embodiment of control method of the through street outlet that Fig. 2 is based on Fig. 1 configuration diagram.
Embodiment
Below in conjunction with accompanying drawing and embodiment technical scheme of the present invention is done further detailed explanation.
Please refer to Fig. 1, this Fig. 1 illustrates the application architecture synoptic diagram that through street of the present invention exports the embodiment of control device that alternately lets pass.
As shown in Figure 1, the control device of alternately letting pass of this embodiment is applied in the through street 1.In this embodiment, through street 1 has main road 11 and through street outlet 12, exports the bypass 13 that 12 place's road corresponding are through street 1 in the through street.Road before bypass 13 is arranged in lane change is provided with two tracks, is respectively outermost first lane 21 and is positioned at inboard second lane 22.First lane 21 exports in the bypass 13 that began before 12 to cross after getting into lane change after lane change becomes a track in the through street with second lane 22 these two tracks.
The traffic that exports 12 places for the through street to said structure is controlled; Avoid causing main road 11, bypass 13 and first lane 21 and second lane 22 traffic congestions of through street 1 because of the lane change that crosses; This embodiment is provided with the through street and exports the control device of alternately letting pass; Specifically, this control device comprises:
The stop line 31 that is provided with for each track in upper reaches lane change place of bypass 12;
Before stop line 31, be the signal lamp 321 of first lane 21 settings, and be the signal lamp 322 that second lane 22 is provided with, be used to control the current and lane change of vehicle;
On first lane 21, be positioned at the pick-up unit 331 that the position before the stop line 31 is provided with, be used to detect the vehicle jam situation of first lane 21; On second lane 22, be positioned at the pick-up unit 332 that the position before the stop line 31 is provided with, be used to detect the vehicle jam situation of second lane 22;
In addition; Control device also includes near the teleseme that is arranged on the through street outlet 12; This teleseme is connected with pick-up unit 331 and pick-up unit 332 respectively on the one hand, is connected with signal lamp 321 and signal lamp 322 respectively on the other hand, the vehicle that is used to receive each pick-up unit signal that blocks up; And follow-up vehicle each signal lamp of signal controlling that blocks up, make each track work in normality or clearance state alternately.
The principle of work of the control device of this embodiment reaches can be with reference to figure 2 and following description to Fig. 2 to the control procedure of alternately letting pass of through street outlet.
Please refer to Fig. 2, this Fig. 2 shows the process flow diagram that exports the embodiment of control method that alternately lets pass based on the through street of Fig. 1 configuration diagram.
As shown in Figure 2, the flow process of this embodiment control method is following:
Step S41: flow process begins.
Step S42: upper reaches lane change place of outlet bypass is provided with stop line and signal lamp for each track in the through street, before stop line, for each track pick-up unit is set.Position and mode specifically are set with reference to figure 1 embodiment and above-mentioned description to Fig. 1 embodiment.
Step S43: teleseme receives and the vehicle of judging each pick-up unit transmission blocks up signal.
Each pick-up unit is connected respectively on the teleseme, and pick-up unit transfers to teleseme with the vehicle of its detection signal that blocks up, and teleseme will be according to the block up signal lamp in connected each track of signal controlling of the vehicle that receives.
In this embodiment, the vehicle that detects of the pick-up unit signal that blocks up is the vehicle in the track at the pick-up unit place occupation rate of blocking up.For
track, its vehicle occupation rate of blocking up is used following formulate:
.In this formula,
is the occupation rate of the pick-up unit per second in
track.Specifically; If holding time be
second, its occupation rate
then of pick-up unit per second.In the formula;
sign time of blocking up for being provided with; General value is 5-20 second, and this embodiment
is preferably 10 seconds.And; If shown in Fig. 1 Organization Chart; Because first lane 21 and second lane 22 totally two tracks are arranged before bypass; So
value in the formula is respectively 1 and 2.
The vehicle that the teleseme receiving detection device the is detected occupation rate signal that blocks up compares the value of signal and setting, is that work is with normality or work and replace the clearance state according to each track of comparative result control.
Step S44: whether the pick-up unit vehicle that teleseme judge to receive blocks up exists the signal greater than the trigger value of alternately letting pass in the occupation rate signal.If there is execution in step S46; Otherwise, execution in step S45.
Preset the block up setting value of occupation rate of two vehicles in the teleseme of this embodiment, be respectively alternately the let pass trigger value and the close value of alternately letting pass.If the vehicle that has a pick-up unit transmission blocks up the occupation rate signal greater than the trigger value of alternately letting pass, explain that vehicle flowrate is bigger in the track, interweave in lane change place generation easily, for this reason, teleseme will be controlled each track and be operated in alternately clearance state.The occupation rate signal all is not more than the trigger value of alternately letting pass if the vehicle of all pick-up unit transmission blocks up, and shows that vehicle flowrate is less in the track, and teleseme will be controlled each track and be operated in normality.Details are as follows for concrete control procedure and each duty.
Step S45: during the signal of the trigger value of setting in vehicle blocks up the occupation rate signal, not existing greater than teleseme of alternately letting pass, each track of teleseme control is operated in normality.
In this embodiment, during normality, the signal lamp in outermost track is for long green in each track in the bypass before the lane change, and the signal lamp in all the other each tracks is a red light.As shown in Figure 1, when normality, the signal lamp 321 of first lane 21 is evergreen, and the signal lamp 322 of second lane 22 is a red light.At this moment, because vehicle flowrate is less, all vehicles all go in second lane 22, need not lane change then and can cross through street outlet 12 through the lane change bottleneck and enter into bypass 13, and wagon flow operates steadily, and jam can not occur.
Step S46: during the signal of the trigger value of setting in vehicle blocks up the occupation rate signal, existing greater than teleseme of alternately letting pass, each track of teleseme control is operated in alternately clearance state.
In this embodiment, when alternately letting pass state, each track in the bypass before the lane change alternately gets into green light, sails the vehicle in the lane change bypass afterwards into alternately to let pass.
With the normality in the above-mentioned track original state as control, ins conjunction with Fig. 1, each track of teleseme control is moved the process that transfers the state of alternately letting pass to by normality and is specifically exploited with following step and realize:
A, control outermost track, also be that the signal lamp 321 of first lane 21 alternately begins amber light by long green entering; What reach setting begins alternately that control signal lamp 321 gets into red lights after yellow time; And control except that the outermost track, be any track the first lane 21, also be signal lamp 322 entering of the second lane 22 among Fig. 1 embodiment green lights of alternately letting pass.
B, after the signal lamp 322 that gets into the green light of alternately letting pass reaches the green time of alternately letting pass of setting, control this signal lamp 322 and get into alternately amber light.
C, getting into after alternately the signal lamp 322 of amber light reaches the alternately yellow time of setting, the signal lamp 322 of controlling this track gets into alternately red light.If number of track-lines, is then controlled the signal lamp in other any tracks that does not get into the green light of alternately letting pass simultaneously more than 2 of Fig. 1 embodiment and is got into the green light of alternately letting pass.
D, if number of track-lines more than 2 of Fig. 1 embodiment, then repeats above-mentioned steps b and step c, the signal lamp in all tracks is all through the green light of alternately letting pass.
E, repeated execution of steps b are to steps d, until alternately clearance state end.
Wherein, alternately begin yellow time to be meant, and alternately yellow time is meant that carrying out the track alternately controls the transit time that latter two unlike signal lamp state switches from long green to beginning amber light transit time alternately.Alternately let pass green time, alternately begin yellow time and alternately yellow time can specifically set as required, general, alternately yellow time is slightly less than alternately and begins yellow time.For example, can set the green time of alternately letting pass is 3 seconds, and alternately beginning yellow time is 4 seconds, and alternately yellow time is 2 seconds.
Except that above-mentioned three times, can also set one and replace the complete red time, when also promptly the outlet vehicle density was big in the through street, the bypass lane signal lamp before the control lane change was red entirely, and no thoroughfare for vehicles.
Alternately let pass according to each track of alternately clearance time control of setting through teleseme, can effectively prevent because vehicle lane change, the jam that scrambles for roads and cause, thereby effectively alleviated the vehicle flowrate traffic disturbance that wagon flow interweaves and causes greatly the time.
Step S47: in replacing the clearance process, teleseme judges that whether the vehicle of all pick-up units that received blocks up the occupation rate signal all less than the close value of alternately letting pass.If, going to step S45, each track of teleseme control is operated in normality; Otherwise, the duty of alternately letting pass of continuation execution in step S46.
Teleseme receives at any time and the vehicle of judging the transmission of each pick-up unit blocks up occupation rate signal; When the vehicle amount reduces; The vehicle occupation rate of blocking up reduces; When all vehicles block up the occupation rate signal all less than the close value of setting of alternately letting pass, explain that vehicle flowrate is less in the lane change bypass before, then each track of teleseme control is operated in normality.The signal lamp that also is outermost track in each track in the teleseme control lane change bypass before is for long green, and the signal lamp in all the other each tracks is a red light.
And for guaranteeing to have a good transport and communication network, avoid traffic disturbance, the close value of alternately letting pass that is provided with among this embodiment is slightly less than the trigger value of alternately letting pass.
Above embodiment is only in order to explaining technical scheme of the present invention, but not limits it; Although the present invention has been carried out detailed explanation with reference to previous embodiment, for the person of ordinary skill of the art, still can make amendment to the technical scheme that previous embodiment is put down in writing, perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of relevant art scheme break away from the spirit and the scope of the present invention's technical scheme required for protection.
Claims (10)
1. a through street exports the control method of alternately letting pass, and it is characterized in that said method comprises the steps:
Upper reaches lane change place at the bypass in exit, through street is provided with stop line and signal lamp for each track;
Before stop line, be provided for detecting the pick-up unit of vehicle jam situation for each track;
The vehicle that pick-up unit the is detected signal that blocks up transfers to teleseme, and teleseme is according to the vehicle that the receives signal control signal lamp that blocks up, and is normality or clearance state alternately to control each track;
Wherein, during normality, the signal lamp in outermost track is for long green in each track in the bypass before the lane change, and the signal lamp in all the other each tracks is a red light; When alternately letting pass state, each track in the bypass before the lane change alternately gets into green light, sails the vehicle in the lane change bypass afterwards into alternately to let pass.
2. control method according to claim 1; It is characterized in that; The vehicle that said pick-up unit the detects signal that blocks up is the vehicle in the track at the pick-up unit place occupation rate of blocking up; The vehicle in
track occupation rate
of blocking up; Wherein,
is the occupation rate of the pick-up unit per second in
track,
block up the sign time for what be provided with.
3. control method according to claim 2; It is characterized in that said
is 5-20 second.
4. control method according to claim 2; It is characterized in that; Said teleseme is judged the vehicle of the pick-up unit transmission in each track that the receives occupation rate of blocking up, and when existing the vehicle greater than the trigger value of alternately letting pass to block up occupation rate, controls each track and is clearance state alternately.
5. control method according to claim 4; It is characterized in that; Said teleseme is judged the vehicle of the pick-up unit transmission in each track that the receives occupation rate of blocking up, and blocks up occupation rate all when alternately letting pass close value at all vehicles, and controlling each track is normality.
6. control method according to claim 5 is characterized in that, the said close value of alternately letting pass is less than the said trigger value of alternately letting pass.
7. according to each described control method in the claim 1 to 6, it is characterized in that each track of said teleseme control by the process that normality transfers the state of alternately letting pass to is:
The signal lamp in a, the said outermost of control track alternately begins amber light by long green entering; The signal lamp that alternately begins control outermost track after yellow time that reaches setting gets into red light, and the signal lamp entering in any track of control except that the outermost track the green light of alternately letting pass;
B, after the signal lamp that gets into the green light of alternately letting pass reaches the green time of alternately letting pass of setting, control this signal lamp and get into alternately amber light;
C, getting into after alternately the signal lamp of amber light reaches the alternately yellow time of setting, the signal lamp of controlling this track gets into alternately red light, and the signal lamp of controlling other any tracks that does not get into the green light of alternately letting pass simultaneously gets into the green light of alternately letting pass;
D, repeat above-mentioned steps b and step c, the signal lamp in all tracks is all through the green light of alternately letting pass;
E, repeated execution of steps b are to steps d.
8. a through street exports the control device of alternately letting pass, and it is characterized in that said control device comprises:
The stop line and the signal lamp that are provided with for each track in upper reaches lane change place of the bypass in exit, through street;
Before stop line, be each track pick-up unit that be provided with, that be used to detect the vehicle jam situation; And
Teleseme is connected respectively with pick-up unit and signal lamp, the vehicle that the is used for receiving detection device output signal that blocks up, and then to control each track be normality or clearance state alternately;
Wherein, during normality, the signal lamp in outermost track is for long green in each track in the bypass before the lane change, and the signal lamp in all the other each tracks is a red light; When alternately letting pass state, each track in the bypass before the lane change alternately gets into green light, sails the vehicle in the lane change bypass afterwards into alternately to let pass.
9. control device according to claim 8; It is characterized in that; The vehicle that said pick-up unit the detects signal that blocks up is the vehicle in the track at the pick-up unit place occupation rate of blocking up; The vehicle in
track occupation rate
of blocking up; Wherein,
is the occupation rate of the pick-up unit per second in
track,
block up the sign time for what be provided with.
10. control device according to claim 9; It is characterized in that; Said teleseme is judged the vehicle of the pick-up unit transmission in each track that the receives occupation rate of blocking up, and when existing the vehicle greater than the trigger value of alternately letting pass to block up occupation rate, controls each track and is clearance state alternately; And block up occupation rate all when alternately letting pass close value at all vehicles, controlling each track is normality.
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|---|---|---|---|
| CN2011103947137A CN102426793A (en) | 2011-12-02 | 2011-12-02 | Expressway exit alternative passing control method and control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103947137A CN102426793A (en) | 2011-12-02 | 2011-12-02 | Expressway exit alternative passing control method and control device |
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Cited By (8)
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| CN103208198A (en) * | 2013-02-26 | 2013-07-17 | 北京兴科迪科技有限公司 | Crossing vehicle guide sign device of blocked roads and control method and application thereof |
| CN104361753A (en) * | 2014-11-26 | 2015-02-18 | 浙江宇视科技有限公司 | Method and device for obtaining evidences of rule and regulation breaking of vehicles not running in alternating mode |
| CN104464319A (en) * | 2014-12-12 | 2015-03-25 | 武汉理工大学 | Temporary traffic control method used for environment that part lanes are enclosed |
| CN107808530A (en) * | 2017-12-05 | 2018-03-16 | 李国强 | A kind of signal lamp control system |
| CN109118791A (en) * | 2017-06-26 | 2019-01-01 | 青岛海信网络科技股份有限公司 | A kind of traffic control method and device of fast road ramp |
| CN110172882A (en) * | 2019-07-04 | 2019-08-27 | 王志明 | People's vehicle separate type Double-layer cloverleaf junction |
| CN110910643A (en) * | 2019-12-03 | 2020-03-24 | 腾讯云计算（北京）有限责任公司 | Traffic flow control method and device |
| CN117558144A (en) * | 2023-10-08 | 2024-02-13 | 北京建筑大学 | Signal timing control method, system, equipment and medium based on cooperative control area |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208198A (en) * | 2013-02-26 | 2013-07-17 | 北京兴科迪科技有限公司 | Crossing vehicle guide sign device of blocked roads and control method and application thereof |
| CN104361753A (en) * | 2014-11-26 | 2015-02-18 | 浙江宇视科技有限公司 | Method and device for obtaining evidences of rule and regulation breaking of vehicles not running in alternating mode |
| CN104464319A (en) * | 2014-12-12 | 2015-03-25 | 武汉理工大学 | Temporary traffic control method used for environment that part lanes are enclosed |
| CN109118791A (en) * | 2017-06-26 | 2019-01-01 | 青岛海信网络科技股份有限公司 | A kind of traffic control method and device of fast road ramp |
| CN109118791B (en) * | 2017-06-26 | 2020-12-04 | 青岛海信网络科技股份有限公司 | Traffic control method and device for expressway ramp |
| CN107808530A (en) * | 2017-12-05 | 2018-03-16 | 李国强 | A kind of signal lamp control system |
| CN110172882A (en) * | 2019-07-04 | 2019-08-27 | 王志明 | People's vehicle separate type Double-layer cloverleaf junction |
| CN110910643A (en) * | 2019-12-03 | 2020-03-24 | 腾讯云计算（北京）有限责任公司 | Traffic flow control method and device |
| CN117558144A (en) * | 2023-10-08 | 2024-02-13 | 北京建筑大学 | Signal timing control method, system, equipment and medium based on cooperative control area |
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Application publication date: 20120425 |