CN104008660B - A kind of system and method monitoring intersection signal control device control effects - Google Patents
A kind of system and method monitoring intersection signal control device control effects Download PDFInfo
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Abstract
The invention provides a kind of system and method monitoring intersection signal control device control effects, for the monitoring of intersection traffic signal control effects.And can monitor from following five control effects of aspect to crossing signals controller, one when being when red, after stop line the vehicle number of units of parking waiting green light add and; Two be every chassis parking waiting green light time used add and; Three added by the number of units of stop line vehicle when being green lights and; Four when being green lights by the every chassis in crossing time average used; Five is that monitoring result all lost efficacy when exit lane gets congestion, and can carry out record warning.Current demand signal control effects is provided good and bad by the monitoring of such scheme of the present invention to crossing control effects.Further, monitoring result can with people by feeling consistent during crossing.
Description
Technical field
The present invention relates to technical field of intelligent traffic, specifically a kind of system and method monitoring intersection signal control device control effects.
Background technology
Along with the quick growth of Urban traffic demand, road network scale constantly expands, the intersection of road network important node is day by day busy, intersection signal control system is adopted to be specification crossing traffic order, the traffic hazard that prevention and minimizing cause because crossing is unordered, improve the effective ways of crossing traffic efficiency, how the control effects of precise monitoring intersection signal control system is the topic that people pay close attention to always.
As existing patent documentation CN101419750B discloses the urban signal controlling traffic state at road cross method of determination and evaluation based on data characteristics, it comprises the steps: to gather at signalized crossing specified link section the live signal waveform that the duration is not less than 35 days, structure traffic flow character parameter; Signal filtering is carried out to traffic flow character parameter, obtains the sample population of Saturation flow; Calculate the average of the sample population of Saturation flow, standard value and extreme value, as Saturation flow condition discrimination function; Real-time detection urban signal controlling intersection traffic flows to the signal waveform of green light phase place, structure traffic direction characteristic parameter sequence; Traffic direction characteristic parameter sequence is substituted into green light phase state discrimination model, structure green light phase condition adjudgement sequence; Green light phase condition adjudgement sequence is substituted into traffic direction condition discrimination model, judge the traffic behavior that intersection traffic flows to; Visual display controls the track service level of crossing.
But above-mentioned evaluation method sense cycle is long, practicality is strong, and the index of evaluation is unilateral, and the result of evaluation and people are feeling variant by actual during crossing.
Summary of the invention
The control effects that the present invention will solve in prior art mouthful traffic signal control that can not satisfy the need carries out, real-time monitoring, thus provides a kind of system and method monitoring intersection signal control device control effects.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
The invention provides a kind of system monitoring intersection signal control device control effects, comprising:
Video tracking module, carries out Continuous Tracking to each chassis in all directions of crossing, obtains the transport condition of vehicle, the stop line simultaneously on the different directions of accurate recording crossing and the position of crossing center mark line;
First judge module, the Signalized control signal of Received signal strength lamp controller, judges that whether current time is the starting point of signal control cycle;
Second judge module, when current time is the starting point of signal control cycle, judges whether track, exit, crossing occurs blocking up;
Display module, when exit, crossing does not get congestion, the vehicle number of units by stop line in green time on the crossing different directions that preceding signal control cycle is monitored add and, vehicle from stop line to center mark line averaging time used and non-green time in the vehicle number of units of parking waiting add and, vehicle waits for that the time of green light adds and shows;
Alarm module, when current green light direction gets congestion, sends jam alarming information to Surveillance center;
First processing module, record when first direction is green light first direction added by the vehicle number of units of stop line and, record each chassis arrives center mark line time from stop line, and according to the above-mentioned time obtain vehicle from stop line to center mark line needed for averaging time; Record when first direction is not green light first direction wait for after stop line the vehicle number of units of green light add and and vehicle wait for time of green light add and;
Second processing module, record when second direction is green light second direction added by the vehicle number of units of stop line and, record each chassis arrives center mark line time from stop line, and according to the above-mentioned time obtain vehicle from stop line to center mark line needed for averaging time; Record when second direction is not green light second direction wait for after stop line the vehicle number of units of green light add and and vehicle wait for time of green light add and;
Memory module, for storing the result that the first processing module described in current demand signal control cycle and described second processing module obtain, and send it to described display module when next signal control cycle starts and exit, crossing does not get congestion and show.
The determination of described signal control cycle becomes the moment of green light for starting point with signal lamp on any one direction, again becomes the moment of green light for terminal with signal lamp on same direction.
The present invention also provides a kind of method monitoring intersection signal control device control effects, comprises the steps:
S1: adopt video tracking technology to carry out Continuous Tracking to each chassis in all directions of crossing, obtain the transport condition of vehicle, the stop line simultaneously on the different directions of accurate recording crossing and the position of crossing center mark line;
S2: judge that whether current time is the starting point of signal control cycle, if then enter step S3, otherwise enter step S5;
S3: judge whether track, exit, crossing occurs blocking up, if then enter step S7, otherwise enters step S4;
S4: the vehicle number of units by stop line in green time on the crossing different directions that preceding signal control cycle is monitored add and, vehicle from stop line to center mark line averaging time used and non-green time in the vehicle number of units of parking waiting add and, time of every chassis wait green light adds and shows, and returns step S1 afterwards;
S5: judge whether first direction is green light, if then record first direction added by the vehicle number of units of stop line and, record each chassis arrives center mark line time from stop line, and according to the above-mentioned time obtain vehicle from stop line to center mark line needed for averaging time and store, then record if not first direction wait for after stop line the vehicle number of units of green light add and and time of every chassis wait green light adds and and store;
S6: judge whether second direction is green light, if then record second direction added by the vehicle number of units of stop line and, record each chassis arrives center mark line time from stop line, and according to the above-mentioned time obtain vehicle from stop line to center mark line needed for averaging time and store, then record if not second direction wait for after stop line the vehicle number of units of green light add and and time of every chassis wait green light adds and and store, return step S1 afterwards;
S7: record the outlet of this direction and block up and report to the police, return step S1 afterwards.
The determination of described signal control cycle becomes the moment of green light for starting point with signal lamp on any one direction, again becomes the moment of green light for terminal with signal lamp on same direction.
Technique scheme of the present invention has the following advantages compared to existing technology:
The system and method monitoring intersection signal control device control effects of the present invention, for the monitoring of intersection traffic signal control effects.And can monitor from following five control effects of aspect to crossing signals controller, one when being when red, after stop line the vehicle number of units of parking waiting green light add and; Two be every chassis parking waiting green light time used add and; Three added by the number of units of stop line vehicle when being green lights and; Four when being green lights by the every chassis in crossing time average used; Five is that monitoring result all lost efficacy when exit lane gets congestion, and can carry out record warning.Carry out round-the-clock continuous monitoring in 24 hours to a crossing control effects, be mainly reflected in general, during when red, the vehicle of parking waiting green light is more few better, and the time of parking waiting green light adds and more short better; The vehicle passed through during green light adds with The more the better; Vehicle is on average more short better by the time at crossing, when exit road gets congestion, can record warning in time.Therefore, current demand signal control effects is provided by the monitoring of such scheme of the present invention to crossing control effects good and bad.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below in conjunction with accompanying drawing, the present invention is further detailed explanation, wherein,
Fig. 1 is the theory diagram of the system monitoring intersection signal control device control effects described in one embodiment of the invention;
Fig. 2 is the set-up mode schematic diagram of video tracking module in crossing described in one embodiment of the invention;
Fig. 3 a and Fig. 3 b is display module display result schematic diagram described in one embodiment of the invention;
Fig. 4 is the method flow diagram monitoring intersection signal control device control effects described in one embodiment of the invention.
Embodiment
embodiment 1
The present embodiment provides a kind of system monitoring intersection signal control device control effects, as shown in Figure 1, comprises video tracking module, the first judge module, the second judge module, display module, the first processing module, the second processing module, memory module and alarm module.Wherein:
Described video tracking module, carries out Continuous Tracking to each chassis in all directions of crossing, obtains the transport condition of vehicle, the stop line simultaneously on the different directions of accurate recording crossing and the position of crossing center mark line.
Described first judge module, the Signalized control signal of Received signal strength lamp controller, judges that whether current time is the starting point of signal control cycle.
Described second judge module, when current time is the starting point of signal control cycle, judges whether track, exit, crossing occurs blocking up.
Described display module, when exit, crossing does not get congestion, the vehicle number of units by stop line in green time on the crossing different directions that preceding signal control cycle is monitored add and, vehicle from stop line to center mark line averaging time used and non-green time in the vehicle number of units of parking waiting add and, vehicle waits for that the time of green light adds and shows.
Described alarm module, when current green light direction gets congestion, sends jam alarming information to Surveillance center.
Described first processing module, record when first direction is green light first direction added by the vehicle number of units of stop line and, record each chassis arrives center mark line time from stop line, and according to the above-mentioned time obtain vehicle from stop line to center mark line needed for averaging time; Record when first direction is not green light first direction wait for after stop line the vehicle number of units of green light add and and vehicle wait for time of green light add and.
Described second processing module, record when second direction is green light second direction added by the vehicle number of units of stop line and, record each chassis arrives center mark line time from stop line, and according to the above-mentioned time obtain vehicle from stop line to center mark line needed for averaging time; Record when second direction is not green light second direction wait for after stop line the vehicle number of units of green light add and and vehicle wait for time of green light add and.
Described memory module, for storing the result that the first processing module described in current demand signal control cycle and described second processing module obtain, and send it to described display module when next signal control cycle starts and exit, crossing does not get congestion and show.
In the present embodiment, the determination of described signal control cycle can be become the moment of green light for starting point with signal lamp on any one direction, again becomes the moment of green light for terminal with signal lamp on same direction.
In the present embodiment, described video tracking module can be a video tracking module can following the tracks of the vehicle in all directions, also can be multiple video tracking module.As Fig. 2 gives a kind of embodiment, four video tracking module 2-1 are set at crossing, 2-2,2-3,2-4.Four video tracking modules can follow the tracks of vehicle different directions sailing crossing place into respectively.The video tracking scope of each video tracking module before can covering stop line a longer segment distance can cover stop line simultaneously after a segment distance, so just can trace into vehicle and also can trace into vehicle by stop line and pass through crossing.As a kind of embodiment, the video tracking scope of video tracking module can cover whole section between adjacent two crossings and the crossing that can cover on vehicle downstream direction, as illustrated in the drawing the video tracking scope of video tracking module 3-1.
And video tracking module carries out Continuous Tracking to each car, refer to that video tracking module can grasp its state in real time to each car entered within the scope of video tracking, as the position of vehicle, the transport condition etc. of vehicle.And, video tracking module can accurate recording crossing place stop line, crossing center mark line position.Accurately can judge that the physical location of each car have passed stop line after stop line or like this.
Draw from Fig. 1, described judge module can directly and traffic controller carry out data transmission, therefore, it is possible to obtain the starting point whether current time is signal control cycle, also can obtain the signal lamp light color status information in current time out of phase simultaneously.Signal lamp light color status information can pass to described first processing module and the second processing module by described first judge module.And the first processing module after receiving signal lamp light color state just according to the video tracking result of corresponding video tracking module obtain first direction to be added by the vehicle number of units of stop line and, record each chassis arrives center mark line time from stop line, and according to the above-mentioned time obtain vehicle from stop line to center mark line needed for averaging time, first direction wait for after stop line the vehicle number of units of green light add and and time of every chassis wait green light add and and be stored to memory module.In like manner, second processing module after receiving signal lamp light color state just according to the video tracking result of corresponding video tracking module obtain second direction to be added by the vehicle number of units of stop line and, record each chassis arrives center mark line time from stop line, and according to the above-mentioned time obtain vehicle from stop line to center mark line needed for averaging time, second direction wait for after stop line the vehicle number of units of green light add and and time of every chassis wait green light add and and be stored to memory module.In the whole course of work, the work clock of the work clock of each video tracking module and the work clock of traffic controller and whole system is all consistent, and the least unit of time is 100ms, to ensure that the vehicle of final entry arrives time of crossing center mark line by stop line and vehicle waits for that after stop line the time of green light is accurately.
Wherein, vehicle can be obtained in the following way by the averaging time needed for crossing: obtain each vehicle and add from the stop line time arrived needed for center mark line and then can obtain divided by vehicle fleet size.
Vehicle is waiting for after stop line that the time of green light can obtain in the following way: vehicle from the moment of parking waiting until till the moment of vehicle by stop line.
Under current demand signal control cycle, the result that the first processing module and the second processing module obtain can temporarily be stored in memory module.When new signal control cycle starts and exit does not get congestion, display module just can transfer result in previous signal control cycle to show from memory module.Display result can be as shown in Figure 3 a and Figure 3 b shows.The display result of the display module shown in Fig. 3 a and Fig. 3 b only has the result in a signal control cycle, also can fix the statistics of several signal control cycles of display.Such as, the statistics of continuous ten signal control cycles can be shown.It can also be seen that from figure, in display result, also include moment corresponding to each result.
The system monitoring intersection signal control device control effects of the present invention, for the monitoring of intersection traffic signal control effects.And can monitor from following five control effects of aspect to crossing signals controller, one when being when red, after stop line the vehicle number of units of parking waiting green light add and; Two be every chassis parking waiting green light time used add and; Three added by the number of units of stop line vehicle when being green lights and; Four when being green lights by the every chassis in crossing time average used; Five is that monitoring result all lost efficacy when exit lane gets congestion, and can carry out record warning.Carry out round-the-clock continuous monitoring in 24 hours to a crossing control effects, be mainly reflected in general, during when red, the vehicle of parking waiting green light is more few better, and the time of parking waiting green light adds and more short better; The vehicle passed through during green light adds with The more the better; Vehicle is on average more short better by the time at crossing, when exit road gets congestion, can record warning in time.Therefore, current demand signal control effects is provided by the monitoring of such scheme of the present invention to crossing control effects good and bad.According to said system provided by the present invention and method, the monitoring result obtained more is fitted the actual impression of people.
embodiment 2
The present embodiment provides a kind of method monitoring intersection signal control device control effects, comprises the steps:
S1: adopt video tracking technology to carry out Continuous Tracking to each chassis in all directions of crossing, obtain the transport condition of vehicle, the stop line simultaneously on the different directions of accurate recording crossing and the position of crossing center mark line;
S2: judge that whether current time is the starting point of signal control cycle, if then enter step S3, otherwise enter step S5;
S3: judge whether track, exit, crossing occurs blocking up, if then enter step S7, otherwise enters step S4;
S4: the vehicle number of units by stop line in green time on the crossing different directions that preceding signal control cycle is monitored add and, vehicle from stop line to center mark line averaging time used and non-green time in the vehicle number of units of parking waiting add and, time of every chassis wait green light adds and shows, and returns step S1 afterwards;
S5: judge whether first direction is green light, if then record first direction added by the vehicle number of units of stop line and, record each chassis arrives center mark line time from stop line, and according to the above-mentioned time obtain vehicle from stop line to center mark line needed for averaging time and store, then record if not first direction wait for after stop line the vehicle number of units of green light add and and time of every chassis wait green light adds and and store;
S6: judge whether second direction is green light, if then record second direction added by the vehicle number of units of stop line and, record each chassis arrives center mark line time from stop line, and according to the above-mentioned time obtain vehicle from stop line to center mark line needed for averaging time and store, then record if not second direction wait for after stop line the vehicle number of units of green light add and and time of every chassis wait green light adds and and store, return step S1 afterwards;
S7: record the outlet of this direction and block up and report to the police, return step S1 afterwards.
In the present embodiment, described signal control cycle becomes the moment of green light for starting point with signal lamp on any one direction, again becomes the moment of green light for terminal with signal lamp on same direction.
In the present embodiment, can adopt mode as shown in Figure 2 that four video tracking module 2-1 are set at crossing, 2-2,2-3,2-4.Four video tracking modules can follow the tracks of vehicle different directions sailing crossing place into respectively.The video tracking scope of each video tracking module before can covering stop line a longer segment distance can cover stop line simultaneously after a segment distance, so just can trace into vehicle and also can trace into vehicle by stop line and pass through crossing.As a kind of embodiment, the video tracking scope of video tracking module can cover whole section between adjacent two crossings and the crossing that can cover on vehicle downstream direction, as illustrated in the drawing the video tracking scope of video tracking module 3-1.
And Continuous Tracking is carried out to each car, refer to and can grasp its state in real time to each car entered within the scope of video tracking, as the position of vehicle, the travel speed etc. of vehicle.And, within the scope of video tracking can accurate recording crossing place stop line, crossing center mark line position.Accurately can judge that the physical location of each car have passed stop line after stop line or like this.
Directly obtain from traffic controller the starting point whether current time is signal control cycle in the present embodiment, also can obtain the signal lamp light color status information in current time out of phase simultaneously.And after receiving signal lamp light color state just according to corresponding video tracking result obtain first direction to be added by the vehicle number of units of stop line and, record each chassis arrives center mark line time from stop line, and according to the above-mentioned time obtain vehicle from stop line to center mark line needed for averaging time, first direction wait for after stop line the vehicle number of units of green light add and and time of every chassis wait green light add and and store.In like manner, also can obtain second direction added by the vehicle number of units of stop line and, record each chassis arrives center mark line time from stop line, and according to the above-mentioned time obtain vehicle from stop line to center mark line needed for averaging time, second direction wait for after stop line the vehicle number of units of green light add and and time of every chassis wait green light add and and store.
Wherein, vehicle can be obtained in the following way by the averaging time needed for crossing: obtain each vehicle and add from the stop line time arrived needed for center mark line and then can obtain divided by vehicle fleet size, the least unit of time is 100ms.Vehicle is waiting for after stop line that the time of green light can obtain in the following way: vehicle is until till the moment of vehicle by stop line from the moment of parking waiting, and the least unit of time is 100ms.
The result obtained under current demand signal control cycle can temporarily be stored in memory module.When new signal control cycle starts and exit, crossing does not get congestion, just can transfer result in previous signal control cycle to show.Display result can be as shown in Figure 3 a and Figure 3 b shows.Display result shown in Fig. 3 a and Fig. 3 b only has the result in a signal control cycle, also can fix the statistics of several signal control cycles of display.Such as, the statistics of continuous ten signal control cycles can be shown.It can also be seen that from figure, in display result, also include moment corresponding to each result.
The method monitoring intersection signal control device control effects of the present invention, for the monitoring of intersection traffic signal control effects.And can monitor from following five control effects of aspect to crossing signals controller, one when being when red, after stop line the vehicle number of units of parking waiting green light add and; Two be every chassis parking waiting green light time used add and; Three added by the number of units of stop line vehicle when being green lights and; Four when being green lights by the every chassis in crossing time average used; Five is that evaluation result all lost efficacy when exit lane gets congestion, and can carry out record warning.Carry out round-the-clock continuous evaluation in 24 hours to a crossing control effects, be mainly reflected in general, during when red, the vehicle of parking waiting green light is more few better; The time of parking waiting green light adds and more short better; The vehicle passed through during green light adds with The more the better; Vehicle is on average more short better by the time at crossing; When exit road gets congestion, warning can be recorded in time.Therefore, current demand signal control effects is provided by the monitoring of such scheme of the present invention to crossing control effects good and bad.According to said system provided by the present invention and method, the monitoring result obtained more is fitted the actual impression of people.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Claims (4)
1. monitor a system for intersection signal control device control effects, it is characterized in that, comprising:
Video tracking module, carries out Continuous Tracking to each chassis in all directions of crossing, obtains the transport condition of vehicle, the stop line simultaneously on the different directions of accurate recording crossing and the position of crossing center mark line;
First judge module, the Signalized control signal of Received signal strength lamp controller, judges that whether current time is the starting point of signal control cycle;
Second judge module, when current time is the starting point of signal control cycle, judges whether track, exit, crossing occurs blocking up;
Display module, when exit, crossing does not get congestion, the vehicle number of units by stop line in green time on the crossing different directions that preceding signal control cycle is monitored add and, vehicle from stop line to center mark line averaging time used and non-green time in the vehicle number of units of parking waiting add and, vehicle waits for that the time of green light adds and shows;
Alarm module, when current green light direction gets congestion, sends jam alarming information to Surveillance center;
First processing module, record when first direction is green light first direction added by the vehicle number of units of stop line and, record each chassis arrives center mark line time from stop line, and according to the above-mentioned time obtain vehicle from stop line to center mark line needed for averaging time; Record when first direction is not green light first direction wait for after stop line the vehicle number of units of green light add and and vehicle wait for time of green light add and;
Second processing module, record when second direction is green light second direction added by the vehicle number of units of stop line and, record each chassis arrives center mark line time from stop line, and according to the above-mentioned time obtain vehicle from stop line to center mark line needed for averaging time; Record when second direction is not green light second direction wait for after stop line the vehicle number of units of green light add and and vehicle wait for time of green light add and;
Memory module, for storing the result that the first processing module described in current demand signal control cycle and described second processing module obtain, and send it to described display module when next signal control cycle starts and exit, crossing does not get congestion and show.
2. the system of monitoring intersection signal control device control effects according to claim 1, it is characterized in that, the determination of described signal control cycle becomes the moment of green light for starting point with signal lamp on any one direction, again becomes the moment of green light for terminal with signal lamp on same direction.
3. monitor a method for intersection signal control device control effects, it is characterized in that, comprise the steps:
S1: adopt video tracking technology to carry out Continuous Tracking to each chassis in all directions of crossing, obtain the transport condition of vehicle, the stop line simultaneously on the different directions of accurate recording crossing and the position of crossing center mark line;
S2: judge that whether current time is the starting point of signal control cycle, if then enter step S3, otherwise enter step S5;
S3: judge whether track, exit, crossing occurs blocking up, if then enter step S7, otherwise enters step S4;
S4: the vehicle number of units by stop line in green time on the crossing different directions that preceding signal control cycle is monitored add and, vehicle from stop line to center mark line averaging time used and non-green time in the vehicle number of units of parking waiting add and, time of every chassis wait green light adds and shows, and returns step S1 afterwards;
S5: judge whether first direction is green light, if then record first direction added by the vehicle number of units of stop line and, record each chassis arrives center mark line time from stop line, and according to the above-mentioned time obtain vehicle from stop line to center mark line needed for averaging time and store, then record if not first direction wait for after stop line the vehicle number of units of green light add and and time of every chassis wait green light adds and and store;
S6: judge whether second direction is green light, if then record second direction added by the vehicle number of units of stop line and, record each chassis arrives center mark line time from stop line, and according to the above-mentioned time obtain vehicle from stop line to center mark line needed for averaging time and store, then record if not second direction wait for after stop line the vehicle number of units of green light add and and time of every chassis wait green light adds and and store, return step S1 afterwards;
S7: record the outlet of this direction and block up and report to the police, return step S1 afterwards.
4. the method for monitoring intersection signal control device control effects according to claim 3, is characterized in that:
The determination of described signal control cycle becomes the moment of green light for starting point with signal lamp on any one direction, again becomes the moment of green light for terminal with signal lamp on same direction.
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| CN106020205B (en) * | 2016-07-22 | 2018-11-02 | 百度在线网络技术（北京）有限公司 | A kind of unmanned vehicle energy saving of system control method and device |
| CN106355925B (en) * | 2016-10-31 | 2019-11-26 | 安徽科力信息产业有限责任公司 | The method and device of intersection annunciator Control effect appraisement is realized using internet |
| CN109035814B (en) * | 2018-07-02 | 2021-04-09 | 福建榕基软件股份有限公司 | Automatic traffic light interval time adjusting method and system |
| CN110689736A (en) * | 2019-08-30 | 2020-01-14 | 安锐 | Traffic control method and device for actively releasing fleet |
| CN110807928B (en) * | 2019-11-06 | 2021-08-24 | 南京莱斯信息技术股份有限公司 | Statistical evaluation method for bus priority effect |
| CN111681432B (en) * | 2020-04-30 | 2022-03-29 | 大连理工大学 | Method and device for determining congestion source of intersection containing signal lamp |
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