CN101540107B - System and method for coordinating and controlling pedestrian crosswalk under bus special passage condition - Google Patents
System and method for coordinating and controlling pedestrian crosswalk under bus special passage condition Download PDFInfo
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Abstract
The invention relates to a system and a method for coordinating and controlling a pedestrian crosswalk under a bus special passage condition. The system comprises a vehicle detecting system, a pedestrian crosswalk detecting subsystem, a signal processing subsystem, a traffic signal control subsystem and a cross signal light, wherein the vehicle detecting system is used for detecting whether vehicles arrive at the cross or not, and transmitting information to the signal processing subsystem; the pedestrian crosswalk detecting subsystem is used for detecting whether pedestrians are at the cross, and transmitting the information to the signal processing subsystem; the signal processing subsystem is used for receiving the information transmitted by the vehicle detecting system and the pedestrian crosswalk detecting subsystem, controlling to give a green light to the vehicles or the pedestrians by comparing the current time with a preset time, and transmitting a result to the traffic signal control subsystem; the traffic signal control subsystem is used for receiving a signal control scheme generated by the signal processing subsystem so as to control the cross signal light; and the cross signal light is used for achieving the normal traffic order of the cross through the alternant twinkling of the green lights and the red lights. The system and the method can effectively achieve the equalization of the pedestrian crosswalk and the motor vehicle running efficiency on the road section.
Description
Technical field
The present invention relates to the public transport field, the street coordinated control system is crossed by the People's Bank of China that relates in particular under a kind of public transport designated lane situation.
Background technology
In recent years; Along with China's economy and fast development of society, the rapid propelling of urbanization process, the rapid expansion of urban population; Cause the transport need amount that the expansion, Suburbanization of Residence etc. of urban fringe bring thus and increase severely, road traffic facility supply, management, technology, insufficient space make the contradiction of urban transportation demand and supply become increasingly conspicuous simultaneously.
Have freight volume based on public transit vehicle and take advantages such as path area is few, operational efficiency is high, save the energy, environmental pollution is little greatly, per capita; In September, 2005; The General Office of the State Council transmits six ministries and commissions' files " about first developing the suggestion of urban public transport " such as the Ministry of Construction, requires " development large conveying quantity fast public traffic system " with suiting measures to local conditions.Many cities have been opened up public transportation lane or have been opened bus rapid transit (Bus Rapid Transportation) and realized first developing public transport, from the branch of right of way mix to the enough right of priority of public transit vehicle.For fear of trackside vehicle and pedestrian's influence, public transportation lane generally can be arranged on the track of next-door neighbour road central authorities, and the pedestrian might stop to distinguish when crossing the street and wait for that secondary is crossed the street then in central authorities.This just causes crossing the street mode to traditional People's Bank of China's signal, and it's dangerous or waiting time in street to cause to past easily People's Bank of China long; Need to consider a kind of there being the People's Bank of China under the public transportation lane situation to cross the street control mode signal, in order to the relation between balanced common vehicle, public transit vehicle and the street pedestrian three.
Chinese patent CN1987954A discloses a kind of automatic control method for green wave of pedestrian crossing street signal lamp; This method relates in unidirectional and two-way road; Employing improves the motor vehicle operational efficiency to reach, the effect that the reduction motor vehicle is incured loss through delay to the method that the highway section pedestrian crossing signal lamp implements green ripple control.This kind method is to cross the street problem for the People's Bank of China that solves under the condition of green ripple signal controlling; Because public transit vehicle often need be stopped the bus station; Being difficult to estimate time of stopping is having the People's Bank of China under the public transportation lane situation to cross the street problem so this invention can not solve.
Application number is that 200420108104.6 utility model patent discloses a kind of inductive hint People's Bank of China signal lamp, and this utility model relates to a kind of inductive hint People's Bank of China signal lamp, comprises signal lamp, on signal lamp, is provided with inductive switch and voice prompting device.When using, as long as pedestrian's approach signal lamp is arranged, the inductor on the signal lamp will be sensed, and through control circuit voice prompting device is sounded then, tells the pedestrian safety of whether walking now.There is the possibility of flase drop in this control mode, can not satisfy the requirement that the street signal controlling is crossed by the People's Bank of China that has under the public transportation lane situation.
Summary of the invention
The present invention crosses the street mode and causes People's Bank of China to cross the dangerous of street or shortcoming that waiting time is long easily for solving traditional People's Bank of China's signal, provides the People's Bank of China under a kind of public transport designated lane situation to cross the street coordinated control system.
The street coordinated control system is crossed by People's Bank of China under a kind of public transport designated lane situation, comprises,
Vehicle detecting system is used for detecting whether vehicle arrival crossing is arranged, and gives signal processing subsystem with information transmission;
The street detection subsystem is crossed by People's Bank of China, and whether be used to detect the crossing has the pedestrian, and gives signal processing subsystem with information transmission;
Signal processing subsystem; Be used to receive vehicle detecting system and People's Bank of China and cross the information that the street detection subsystem is transmitted; And to frequently current time and the time of design in advance, controlling to the vehicle green light still is pedestrian's green light, and with the result transmission traffic signal control subsystem;
Traffic signal control subsystem is used to receive the signal controlling scheme that signal processing subsystem generates and controls belisha beacon;
Belisha beacon is used for realizing the normal traffic order at crossing through the alternately flicker of traffic lights.
Wherein said vehicle detecting system comprises public transit vehicle detecting device and common public vehicles detecting device, and whether wherein said public transit vehicle detecting device is used to detect public transit vehicle and arrives; Whether the motor vehicles that common public vehicles detecting device is used for detecting except that public transit vehicle arrive.
It is People's Bank of China's street crossing button that the street detection subsystem is crossed by wherein said People's Bank of China, when button is pressed, judges that there is the pedestrian at the crossing.
The street method is crossed by People's Bank of China under a kind of public transport designated lane situation, comprises,
1), at first in signal processing subsystem, sets the time of the different controlling schemes of belisha beacon;
2), in the middle of the signal processing subsystem operational process contrast current time and time of design in advance, and still be pedestrian's green light according to giving the motor vehicle green light, the The whole control flow process is divided into motor vehicle phase place and people's line phase;
3), the vehicle detection subsystem detects the arrival situation of vehicle on common social track, the public transportation lane;
4), according to the signal that detects, confirm corresponding controlling schemes according to the corresponding judgment logic, confirm green time, the conversion opportunity of motor vehicle phase place and pedestrian's phase place by signal processing subsystem;
5) the signal controlling scheme that, signal processing subsystem is generated is sent in the traffic signal control subsystem at crossing;
6), the traffic signal control subsystem at crossing is according to the flicker order of the various signal lamps at the connection plan control crossing of confirming, accomplishes the control to People's Bank of China's crossing street signal lamp.
Motor vehicles phase place in the wherein said step 4) in the process of implementation, its concrete steps are:
4.1, at first carry out the minimum green time of motor vehicle, and during carrying out minimum green light, common public vehicles detecting device and public transit vehicle wagon detector on the track are not made a response;
4.2, when ordinary motor vehicle of the minimum green time less than of distance prolongs green time, judged whether that at first public transit vehicle arrives;
If, then prolong a public transport again and prolong green time 4.3 there is public transit vehicle to arrive;
4.4, judge prolonging to have or not after a public transport prolongs green time and reach or surpass the maximum clearance time of common vehicle that if do not have, then redirect is returned the public transport detecting device and continued to detect;
4.5, if prolong through prolonging a public transport that green time has reached or surpass the maximum clearance time of common vehicle, then judge once more to have or not public transit vehicle to arrive; If do not have public transport to arrive, then directly jump to people's line phase; If there is public transport to arrive, then prolongs again and jump to people's line phase again after a public transport prolongs green time;
4.6, when in step 4.2, judging,, then judge not have or not the mass society vehicle to arrive if there is public transport to arrive;
4.7, if both having had public transport arrives and also not to have public vehicles to arrive, then judge, then to jump to the situation that has or not People's Bank of China's street crossing button to be pressed step 4.2 and begin to rejudge if do not have, keep the green light of motor vehicle phase place; If People's Bank of China's button is pressed, then judge once more to have or not public transit vehicle to arrive; If there is not public transport to arrive, then directly jump to people's line phase, if there is public transport to arrive, then prolongs again and jump to people's line phase again after a public transport prolongs green time;
4.8, if,, then at first prolong the green extension of common public vehicles not having have common public vehicles to arrive under the situation of public transit vehicle through behind the minimum green time of motor vehicle phase place;
4.9, prolong the green extension of common public vehicles after, judge that the maximum green time of longitudinal maneuver this moment car phase place is whether less than time expand of common public vehicles, to judge whether to also have the possibility of prolonging green light for common public vehicles; If greater than the time expand of common public vehicles, then jump to step 4.2 and begin to rejudge; If less than the time expand of common public vehicles, then execution in step 4.5.
People's line phase in the wherein said step 4) in the process of implementation, its concrete steps are:
5.1, at first the People's Bank of China of executor's line phase lets pass the time;
5.2, at the let pass end of time of people's line phase, People's Bank of China's green light begins blue flash, judges this moment to have or not People's Bank of China's street crossing button to be pressed once more, if there is not People's Bank of China's street crossing button to be pressed, then is directly switch to the motor vehicle phase place;
5.3, if there is People's Bank of China's street crossing button to be pressed, then prolong a time expand in blue flash look step, and then switch to the motor vehicle phase place.
The present invention makes it compared with prior art to have the following advantages and good effect owing to adopted above technology:
1, through real-time detection to vehicle and pedestrian; Reach both guarantee the pedestrian can be safely, efficiently through the road of public transportation lane is arranged; Can effectively reduce the delay of public transit vehicle and public vehicles again, the equilibrium that the efficient of street and motor vehicle operation is crossed by People's Bank of China is attend in the realization highway section.
2, touch the mode of People's Bank of China's street crossing button through secondary; Realize the prolongation that the street time spends in People's Bank of China; Guarantee when People's Bank of China's green light begins to glimmer to get into jaywalking that the pedestrian of crossing can safety, the People's Bank of China that perhaps the arrives road central authorities district (determining) of stopping according to street width.
Description of drawings
Fig. 1 crosses street coordinated control system structural representation for People's Bank of China under the public transportation lane situation;
Fig. 2 crosses street coordinated control system control flow synoptic diagram for People's Bank of China under the public transportation lane situation.
Embodiment
Below in conjunction with a specific embodiment street coordinated control system is crossed by the People's Bank of China under the public transport designated lane situation of the present invention and be explained in detail, as shown in Figure 1, this system comprises:
Vehicle detecting system is used for detecting whether vehicle arrival crossing is arranged, and gives signal processing subsystem with information transmission;
Street detection subsystem (detecting unit) is crossed by People's Bank of China, and whether be used to detect the crossing has the pedestrian, and gives signal processing subsystem with information transmission;
Signal processing subsystem (logical block); Be used to receive vehicle detecting system and People's Bank of China and cross the information that the street detection subsystem is transmitted; And the time that contrasts the current time and design in advance, controlling to the vehicle green light still is pedestrian's green light, and with the result transmission traffic signal control subsystem;
Traffic signal control subsystem (control module) is used to receive the signal controlling scheme that signal processing subsystem generates and controls belisha beacon;
Belisha beacon (display unit) is used for realizing the normal traffic order at crossing through the alternately flicker of traffic lights.
Wherein the vehicle detection subsystem comprises common public vehicles detecting device and public transit vehicle detecting device; Give signal processing subsystem with detected result transmission respectively; People's Bank of China crosses the street detection subsystem and may be embodied as People's Bank of China's street crossing button, and this People's Bank of China crosses the street detection subsystem and also testing result is transferred to signal processing subsystem, after in signal processing subsystem, handling; Transmit control signal to traffic signal control subsystem, and finally control the signal lamp at crossing.
Control system flow process wherein of the present invention is as shown in Figure 2, comprises the steps:
1, at first in signal processing subsystem, set the time of the different controlling schemes of belisha beacon, like the time of motor vehicle traffic lights and the time of People's Bank of China's traffic lights, and the flicker order of motor vehicles and People's Bank of China's traffic lights or the like;
2, the time that in the middle of the signal processing subsystem operational process, contrasts the current time and design in advance; And still be pedestrian's green light according to giving the motor vehicle green light; The The whole control flow process is divided into motor vehicle phase place and people's line phase; So-called motor vehicle phase place is at the passage situation of motor vehicles through motor vehicles in the time period at crossing, and people's line phase is the passage situation through the time period one skilled in the art at crossing the pedestrian;
3, vehicle detection subsystem comprises common public vehicles detecting device and public transit vehicle detecting device, is respectively applied for the arrival situation that detects vehicle on common social track, the public transportation lane;
4, according to the signal that detects; Confirm the control corresponding scheme according to certain decision logic; Confirm green time, conversion opportunity of motor vehicle phase place and pedestrian's phase place etc. by signal processing subsystem; Belisha beacon control people's line phase and motor vehicle phase alternation carry out, and its concrete determining step is following:
A, motor vehicle phase place
(1), at first carries out the minimum green time of motor vehicle; The minimum green time of so-called motor vehicle; Can make the time of motor vehicle freedom through the crossing, in the minimum green time of this motor vehicle, all motor vehicles all can pass through smoothly; And during carrying out minimum green light, common public vehicles detecting device and public transit vehicle detecting device on the track are not made a response;
(2), when ordinary motor vehicle of the minimum green time less than of distance prolongs green time, when promptly being not enough to let an ordinary motor vehicle, judged whether that at first public transit vehicle arrives smoothly through the crossing;
(3) if there is public transit vehicle to arrive, then prolong a public transport again and prolong green time, promptly bus is smoothly through the time at crossing, lets the crossing of passing through of bus safety;
(4), have or not after judge prolonging and reach or surpass the maximum clearance time of common vehicle; The maximum duration that the maximum clearance time of this common vehicle promptly allows common vehicle to pass through at the crossing; Maximum time from the motor vehicle green light to red light, if do not have, then public transport detecting device continuation detection is returned in redirect;
(5), a public transport prolongation green time has reached or above the maximum clearance time of common vehicle, then judgement has or not public transit vehicle to arrive once more if process prolongs; If there is not public transport to arrive, then directly jump to people's line phase, if there is public transport to arrive, then prolongs again and jump to people's line phase again after a public transport prolongs green time;
(6), when in step (2), judging,, then judge to have or not the mass society vehicle to arrive if there is not public transport to arrive;
(7), if both having had public transport arrives and also not to have public vehicles to arrive, then judge, then to jump to the situation that has or not People's Bank of China's street crossing button to be pressed step (2) and begin to rejudge if do not have, keep the green light of motor vehicle phase place; If People's Bank of China's button is pressed, then judge once more to have or not public transit vehicle to arrive; If there is not public transport to arrive, then directly jump to people's line phase, if there is public transport to arrive, then prolongs again and jump to people's line phase again after a public transport prolongs green time;
(8), if,, then at first prolong the green extension of common public vehicles not having have common public vehicles to arrive under the situation of public transit vehicle through behind the minimum green time of motor vehicle phase place;
(9), prolong the green extension of common public vehicles after, judge that the maximum green time of longitudinal maneuver this moment car phase place is whether less than time expand of common public vehicles, to judge whether to also have the possibility of prolonging green light for common public vehicles; If greater than the time expand of common public vehicles, then jump to step (2) and begin to rejudge; If less than the time expand of common public vehicles, execution in step (5) then;
B, people's line phase
(1), at first the People's Bank of China of executor's line phase lets pass the time;
(2), at the let pass end of time of people's line phase, People's Bank of China's green light begins blue flash, judges this moment to have or not People's Bank of China's street crossing button to be pressed once more, if there is not People's Bank of China's street crossing button to be pressed, then is directly switch to the motor vehicle phase place;
(3), if there is People's Bank of China's street crossing button to be pressed, then prolong a time expand in blue flash look step, promptly the pedestrian can be safely time through the crossing, and then switch to the motor vehicle phase place;
5, the signal controlling scheme that signal processing subsystem is generated is delivered in the traffic signal control subsystem at crossing;
6, the traffic signal control subsystem at crossing is accomplished the control to People's Bank of China's crossing street signal lamp according to the flicker order of the various signal lamps at the connection plan control crossing of confirming.
The street coordinated control system is crossed by People's Bank of China under the public transport designated lane situation provided by the present invention; Through real-time detection to vehicle and pedestrian; Reach both guarantee the pedestrian can be safely, efficiently through the road of public transportation lane is arranged; Can effectively reduce the delay of public transit vehicle and public vehicles again, the equilibrium that the efficient of street and motor vehicle operation is crossed by People's Bank of China is attend in the realization highway section.
The present invention also can touch the mode of People's Bank of China's street crossing button through secondary; Realize the prolongation that the street time spends in People's Bank of China; Guarantee when People's Bank of China's green light begins to glimmer to get into jaywalking that the pedestrian of crossing can safety, the People's Bank of China that perhaps the arrives road central authorities district (determining) of stopping according to street width.
Claims (1)
1. the street coordination approach is crossed by the People's Bank of China under the public transport designated lane situation, it is characterized in that, comprise,
1), at first in signal processing subsystem, sets the time of the different controlling schemes of belisha beacon;
2), in the middle of the signal processing subsystem operational process contrast current time and time of design in advance, and still be pedestrian's green light according to giving the motor vehicle green light, the The whole control flow process is divided into motor vehicle phase place and people's line phase;
3), the vehicle detection subsystem detects the arrival situation of vehicle on common social track, the public transportation lane;
4), according to the signal that detects, confirm corresponding controlling schemes according to the corresponding judgment logic, confirm green time, the conversion opportunity of motor vehicle phase place and pedestrian's phase place by signal processing subsystem;
5) the signal controlling scheme that, signal processing subsystem is generated is sent in the traffic signal control subsystem at crossing;
6), the traffic signal control subsystem at crossing is according to the flicker order of the various signal lamps at the connection plan control crossing of confirming, accomplishes the control to People's Bank of China's crossing street signal lamp;
Wherein, green time, the conversion opportunity of motor vehicle phase place confirmed through following steps in the said step 4):
4.1, at first carry out the minimum green time of motor vehicle, and during carrying out minimum green light, common public vehicles detecting device and public transit vehicle wagon detector on the track are not made a response;
4.2, when ordinary motor vehicle of the minimum green time less than of distance prolongs green time, judged whether that public transit vehicle arrives;
If, then prolong a public transport again and prolong green time 4.3 there is public transit vehicle to arrive;
4.4, judge prolonging to have or not after a public transport prolongs green time and reach or surpass the maximum clearance time of common vehicle that if do not have, then redirect is returned the public transport detecting device and continued to detect;
4.5, if prolong through prolonging a public transport that green time has reached or surpass the maximum clearance time of common vehicle, then judge once more to have or not public transit vehicle to arrive; If do not have public transport to arrive, then directly jump to people's line phase; If there is public transport to arrive, then prolongs again and jump to people's line phase again after a public transport prolongs green time;
4.6, when in step 4.2, judging,, then judge not have or not the mass society vehicle to arrive if there is public transport to arrive;
4.7, if both having had public transport arrives and also not to have public vehicles to arrive, then judge, then to jump to the situation that has or not People's Bank of China's street crossing button to be pressed step 4.2 and begin to rejudge if do not have, keep the green light of motor vehicle phase place; If People's Bank of China's button is pressed, then judge once more to have or not public transit vehicle to arrive; If there is not public transport to arrive, then directly jump to people's line phase, if there is public transport to arrive, then prolongs again and jump to people's line phase again after a public transport prolongs green time;
4.8, if,, then at first prolong the green extension of common public vehicles not having have common public vehicles to arrive under the situation of public transit vehicle through behind the minimum green time of motor vehicle phase place;
4.9, prolong the green extension of common public vehicles after, judge that the maximum green time of longitudinal maneuver this moment car phase place is whether less than time expand of common public vehicles, to judge whether to also have the possibility of prolonging green light for common public vehicles; If greater than the time expand of common public vehicles, then jump to step 4.2 and begin to rejudge; If less than the time expand of common public vehicles, then execution in step 4.5;
The green time of people's line phase, conversion opportunity are confirmed through following steps in the said step 4):
5.1, at first the People's Bank of China of executor's line phase lets pass the time;
5.2, at the let pass end of time of people's line phase, People's Bank of China's green light begins blue flash, judges this moment to have or not People's Bank of China's street crossing button to be pressed once more, if there is not People's Bank of China's street crossing button to be pressed, then is directly switch to the motor vehicle phase place;
5.3, if there is People's Bank of China's street crossing button to be pressed, then prolong a time expand in blue flash look step, and then switch to the motor vehicle phase place.
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| CN2008100347191A CN101540107B (en) | 2008-03-17 | 2008-03-17 | System and method for coordinating and controlling pedestrian crosswalk under bus special passage condition |
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| CN2008100347191A CN101540107B (en) | 2008-03-17 | 2008-03-17 | System and method for coordinating and controlling pedestrian crosswalk under bus special passage condition |
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| CN101540107B true CN101540107B (en) | 2012-11-21 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077617B (en) * | 2012-12-24 | 2015-11-04 | 南京航空航天大学 | Based on crossing intelligent traffic light supervisory systems and the method for computer vision |
| CN103236199B (en) * | 2013-04-09 | 2015-02-25 | 北京理工大学 | Automatic testing system and testing method for street crossing of pedestrians |
| CN103268707B (en) * | 2013-04-26 | 2015-03-18 | 东南大学 | Signal regulating method for pedestrian crossing road section of bus prior passage |
| CN104851303B (en) * | 2015-05-21 | 2017-02-01 | 大连理工大学 | Traffic responsive signal control method for split type road section pedestrian crossing |
| CN105321357B (en) * | 2015-09-21 | 2018-01-16 | 华南理工大学 | The setting system and method that a kind of isolated intersection same-phase is turned right with pedestrian signal |
| CN110952406A (en) * | 2019-12-11 | 2020-04-03 | 上海同济城市规划设计研究院有限公司 | Road arrangement suitable for unmanned bus and unmanned bus lane system |
| CN113096415B (en) * | 2021-03-10 | 2021-12-28 | 东南大学 | Signal coordination optimization control method for secondary pedestrian crossing intersection |
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