CN105303851A - Signal priority control system for bus cluster specialized lane and method thereof - Google Patents
Signal priority control system for bus cluster specialized lane and method thereof Download PDFInfo
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- CN105303851A CN105303851A CN201510649063.4A CN201510649063A CN105303851A CN 105303851 A CN105303851 A CN 105303851A CN 201510649063 A CN201510649063 A CN 201510649063A CN 105303851 A CN105303851 A CN 105303851A
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Abstract
The invention discloses a signal priority control system for a bus cluster specialized lane and a method thereof. The signal priority control system comprises a bus specialized lane, a bus specialized inlet lane, a parking line vehicle passing detecting device, a road segment vehicle passing detecting device, a vehicle information processing device, a signal lamp control device and a signal lamp. According to the signal priority control system, a control device is used for comparing a number N of actual queuing vehicles in the bus specialized inlet lane with a number Nav of queuing buses in each average signal period. When N is larger than or equal to Nav, a request is transmitted to the signal control device for requesting the signal control device to start a green lamp in advance or insert a phase, thereby realizing high signal priority of the buses in the inlet lane. The signal priority control system has advantages of simple operation, high flexibility, high convenience, relatively high efficiency, and high practicability. The signal priority control system further has functions of greatly facilitating vehicle passing management, reducing waiting time wastage, improving vehicle passing efficiency and obtaining high social benefit and high economic benefit.
Description
Technical field
The present invention relates to traffic information management technical field, particularly relate to a kind of signal priority control system towards public transport group special lane and method thereof.
Background technology
Public transportation lane, at the signal priority of crossing, has passive and active two kinds of forms.Wherein passive signal priority, is generally the signal lamp pre-set, but to arrive the distribution of crossing comparatively discrete due to bus, when the signal lamp often occurring pre-setting is green light, bus also do not arrive or arriving amt less; And bus arriving amt more time, exactly running into again the signal lamp pre-set is the situation of red light.If adopt signal priority initiatively, because on public transportation lane, public transit vehicle is more, then there will be request too frequent, occurring passes through on road vehicle affects larger situation.
Summary of the invention
Because the above-mentioned defect of prior art, the invention provides a kind of signal priority control system towards public transport group special lane and method thereof, the present invention utilizes the actual queuing vehicle number N on control device comparison public transportation lane entrance driveway, with the bus queuing vehicle number Nav in average per signal period, as N >=Nav, the request that sends is to signal control device, require signal control device pre-cooling green light, or insertion phase, realize the signal priority of this entrance driveway public transit vehicle, it is simple to operate, flexibly and easily, efficiency is higher, practical, greatly facilitate vehicle pass-through management, decrease the waste of down time, improve vehicle pass-through efficiency, there is good Social benefit and economic benefit.
For achieving the above object, the invention provides a kind of signal priority control system towards public transport group special lane, it is characterized in that: comprise dedicated bus lanes, the special import track of public transport, stop line vehicle passing detection device, section vehicle passing detection device, information of vehicles treating apparatus, Signalized control device, signal lamp, wherein stop line vehicle passing detection device, section vehicle passing detection device is arranged on dedicated bus lanes, described stop line vehicle passing detection device, it is the special import track of public transport between the vehicle passing detection device of section, described signal lamp is arranged on crossroad corner, described signal lamp is connected with Signalized control device, described Signalized control device is other arranges information of vehicles treating apparatus.
The invention provides a kind of signal priority control method towards public transport group special lane, comprise the following steps:
S1, section vehicle passing detection device, stop line vehicle passing detection device detect that the public transit vehicle number N in each signal period, dedicated bus lanes passed through enters, N goes out and is sent to information of vehicles treating apparatus respectively;
S2, information of vehicles treating apparatus calculate the public transit vehicle number N=N2-N1 queued up in red time, and by the public transit vehicle queuing number Nav comparison of N value and average each cycle, and judge: as N<0.8*Nav, maintain existing signal lamp phase invariant, as N >=Nav, information of vehicles treating apparatus sends signal priority request to signal control device;
S3, signal control device send command control signal lamp adjustment phase place;
S4, public transit vehicle obtain green light right-of-way, pass through crossing.
Further, described step S3 is specially: every phase signal duration is equally divided into two sections, for phase place B, before being respectively B, after B, signal control device, according to current demand signal situation, adjusts signal lamp: when before-C after now signal is B, then after signal B, insert public traffic in priority phase place E; When before-D after now signal is C, then after signal C, insert public traffic in priority phase place E; After now signal is D, then Pre-handoff is to phase place A; Before now signal is B, then extend phase place A.
Beneficial effect of the present invention:
The present invention utilizes the actual queuing vehicle number N on control device comparison public transportation lane entrance driveway, with the bus queuing vehicle number Nav in average per signal period, as N >=Nav, the request that sends is to signal control device, require signal control device pre-cooling green light, or insertion phase, realize the signal priority of this entrance driveway public transit vehicle, it is simple to operate, flexibly and easily, efficiency is higher, practical, greatly facilitate vehicle pass-through management, decrease the waste of down time, improve vehicle pass-through efficiency, there is good Social benefit and economic benefit.
Be described further below with reference to the technique effect of accompanying drawing to design of the present invention, concrete structure and generation, to understand object of the present invention, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is crossing of the present invention public transit vehicle signal priority control plane arrangenent diagram;
Fig. 2 is crossing of the present invention public transit vehicle signal priority control flow chart;
Fig. 3 is signal adjusting method one figure of the present invention;
Fig. 4 is signal adjusting method two figure of the present invention;
Fig. 5 is signal adjusting method three figure of the present invention;
Fig. 6 is signal adjusting method four figure of the present invention.
Embodiment
As shown in Figure 1, a kind of signal priority control system towards public transport group special lane, it is characterized in that: comprise dedicated bus lanes 1, the special import track 2 of public transport, stop line vehicle passing detection device 3, section vehicle passing detection device 4, information of vehicles treating apparatus 5, Signalized control device 6, signal lamp 7, wherein stop line vehicle passing detection device 3, section vehicle passing detection device 4 is arranged on dedicated bus lanes 1, described stop line vehicle passing detection device 3, it is the special import track 2 of public transport between section vehicle passing detection device 4, described signal lamp 7 is arranged on crossroad corner, described signal lamp 7 is connected with Signalized control device 6, described Signalized control device 6 is other arranges information of vehicles treating apparatus 5.
As shown in Figure 2, a kind of signal priority control method towards public transport group special lane, is characterized in that, comprise the following steps:
S1, section vehicle passing detection device 4, stop line vehicle passing detection device 3 detect that the public transit vehicle number N in each signal period, dedicated bus lanes passed through enters, N goes out and is sent to information of vehicles treating apparatus 5 respectively;
S2, information of vehicles treating apparatus 5 calculate the public transit vehicle number N=N2-N1 queued up in red time, and by the public transit vehicle queuing number Nav comparison of N value and average each cycle, and judge: as N<0.8*Nav, maintain existing signal lamp phase invariant, as N >=Nav, information of vehicles treating apparatus 5 sends signal priority request to signal control device 6;
S3, signal control device 6 send command control signal lamp 7 and adjust phase place;
S4, public transit vehicle obtain green light right-of-way, pass through crossing.
Preferably, described step S3 is specially: every phase signal duration is equally divided into two sections, and for phase place B, before being respectively B, after B, signal control device 6, according to current demand signal situation, adjusts signal lamp 7:
As shown in Figure 3, when before-C after now signal is B, then after signal B, public traffic in priority phase place E is inserted;
As shown in Figure 4, when before-D after now signal is C, then after signal C, public traffic in priority phase place E is inserted;
As shown in Figure 5, after now signal is D, then Pre-handoff is to phase place A;
As shown in Figure 6, before now signal is B, then extend phase place A.
Wherein, phase place A, B, C, D are four phase signals separated with cross junction, for the public transit vehicle that certain import is kept straight on, when this import green light phase place A by crossing, when this entrance driveway red light phase place B, C, D not by crossing.
If get estimation in 180 seconds according to a public transportation lane current 120 buses, signal periods, utilize this signal priority system, each bus average can reduce intersection parking time 30s, the 10 hours down time of * can be reduced by every day in a crossing, with car equal carrying 20 people, everyone 10 yuan of pricings per hour, then 2000 yuan of economic losses can be reduced by every day in a crossing., the public transportation lane of 10 kilometers, can reduce by about 4,800 ten thousand yuan of economic losses every year.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technician in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (3)
1. the signal priority control system towards public transport group special lane, it is characterized in that: comprise dedicated bus lanes (1), the special import track (2) of public transport, stop line vehicle passing detection device (3), section vehicle passing detection device (4), information of vehicles treating apparatus (5), Signalized control device (6), signal lamp (7), wherein stop line vehicle passing detection device (3), section vehicle passing detection device (4) is arranged on dedicated bus lanes (1), described stop line vehicle passing detection device (3), it is the special import track (2) of public transport between section vehicle passing detection device (4), described signal lamp (7) is arranged on crossroad corner, described signal lamp (7) is connected with Signalized control device (6), described Signalized control device (6) is other arranges information of vehicles treating apparatus (5).
2., towards a signal priority control method for public transport group special lane, comprise the following steps:
S1, section vehicle passing detection device (4), stop line vehicle passing detection device (3) detect that the public transit vehicle number N in each signal period, dedicated bus lanes passed through enters, N goes out respectively and are sent to information of vehicles treating apparatus (5);
S2, information of vehicles treating apparatus (5) calculate the public transit vehicle number N=N2-N1 queued up in red time, and by the public transit vehicle queuing number Nav comparison of N value and average each cycle, and judge;
As N<0.8*Nav, maintain existing signal lamp phase invariant,
As N >=Nav, information of vehicles treating apparatus (5) sends signal priority request to signal control device (6);
S3, signal control device (6) send command control signal lamp (7) adjustment phase place;
S4, public transit vehicle obtain green light right-of-way, pass through crossing.
3. a kind of signal priority control method towards public transport group special lane according to claim 2, it is characterized in that, described step S3 is specially: every phase signal duration is equally divided into two sections, if phase place is B, before being respectively B, after B, signal control device (6), according to current demand signal situation, adjusts signal lamp (7): when before-C after now signal is B, then after signal B, insert public traffic in priority phase place E; When before-D after now signal is C, then after signal C, insert public traffic in priority phase place E; After now signal is D, then Pre-handoff is to phase place A; Before now signal is B, then extend phase place A.
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| CN201510649063.4A CN105303851A (en) | 2015-10-09 | 2015-10-09 | Signal priority control system for bus cluster specialized lane and method thereof |
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| CN201510649063.4A CN105303851A (en) | 2015-10-09 | 2015-10-09 | Signal priority control system for bus cluster specialized lane and method thereof |
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| CN109817010A (en) * | 2017-11-20 | 2019-05-28 | 北京嘀嘀无限科技发展有限公司 | ETA predictor method and device based on network and statistical model |
| CN112581778A (en) * | 2020-12-02 | 2021-03-30 | 张鹏 | Traffic signal intelligent guiding system based on bus priority mechanism |
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