CN103886764B - Method is shared in public transportation lane timesharing - Google Patents
Method is shared in public transportation lane timesharing Download PDFInfo
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- CN103886764B CN103886764B CN201410151827.2A CN201410151827A CN103886764B CN 103886764 B CN103886764 B CN 103886764B CN 201410151827 A CN201410151827 A CN 201410151827A CN 103886764 B CN103886764 B CN 103886764B
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Abstract
The invention discloses a kind of public transportation lane timesharing and share method, spaced set LED light on public transportation lane and common divisional line; Public transportation lane is arranged for detecting the wagon detector whether having bus process, wagon detector and LED light one_to_one corresponding are arranged, and arrange for detecting the wide-angle panoramic camera whether having bus to enter bus-only approach at the road edge of crossing.Wagon detector detects whether there is bus process, and indication LED pilot lamp changes in two kinds of duties.Wide-angle panoramic camera detects and sails bus-only approach into or without bus, determines whether integrative design intersection machine adopts bus signals preferential.The present invention makes full use of existing road resource, based on public traffic in priority prerequisite, allows public vehicles to use public transportation lane when public transportation lane utilization factor is not high, realizes public transportation lane timesharing and share, reduce vehicle and incur loss through delay.
Description
Technical field
The invention belongs to urban traffic control field, relate to a kind of public transportation lane and method for controlling bus priority.
Background technology
In recent years, along with the high speed development of China's economic level and the quickening of urbanization process, each metropolitan vehicle guaranteeding organic quantity is also in swift and violent growth.Existing urban road resource can not meet the demand that road Traffic Volume increases, the contradiction that the slow formation that the increase of transport need and traffic infrastructure develop is huge, thus cause urban traffic blocking, cause the waste of increasing environmental pollution, resource, hinder the sustainable development in city.Greatly developing public transport, implementing public traffic in priority is solve the crowded main path in city traffic, and public traffic in priority is mainly reflected in preferential two aspects of time priority and space, and it is preferential that time priority refers to arrange bus signals in crossing; Space preferentially refers to arrange public transportation lane on section.The object of communications and transportation is the transfer realizing people and thing, instead of the movement of vehicle.Consider based on this, the resource of traffic system is reasonably distributed rationally.The original idea of public traffic in priority changes the unfairness in Traffic Systems Resourse Distribute, embodies economic rationality, realize total delay and minimize.But current public traffic in priority measure can not realize the efficiency utilization of path resource when bus flow is less, public vehicles No entry on section public transportation lane, causes the waste of path space; When there is no bus by crossing, still have bus signals preferential, cause waste of time, thus add delay.Therefore, this technology is devoted to the weak point overcoming existing public traffic in priority measure, realizes the maximization of path resource utilization factor.
Summary of the invention
Technical matters: the invention provides a kind of weak point making up existing priority system, make full use of path resource, allow public vehicles piggybackings to enter public transportation lane under special circumstances to travel, make the public transportation lane timesharing of public transportation lane maximizing efficiency over time and space share method.
Technical scheme: method is shared in bus special lane of the present invention timesharing, comprising:
On public transportation lane and common divisional line, spaced set is used to indicate the LED light whether public vehicles can enter public transportation lane traveling;
Public transportation lane is arranged for detecting the wagon detector whether having bus process, wagon detector and LED light one_to_one corresponding are arranged, and LED light is arranged on the wagon detector front corresponding with it, both road longitudinally on spacing
Wherein, v
busfor bus average running speed; a
busfor bus braking deceleration; t
0for the bus driver reaction time; H is the following distance of adjacent two cars on same track.
Arrange for detecting the wide-angle panoramic camera whether having bus to enter bus-only approach at the road edge of crossing, wide-angle panoramic camera and the spacing of bus-only approach stop line on road is longitudinal are
Real-time Collection wagon detector signal, when there being the length all wagon detectors be more than or equal in the craspedodrome section of Dominating paths segment length M bus all not detected, the all LED light controlling this section are shown in green, thus allow public vehicles to enter, otherwise all LED light controlling this section are shown in red, forbid that public vehicles enter, and the instruction public vehicles travelled on this section leave public transportation lane.
Real-time Collection wide-angle panoramic camera signals, when wide-angle panoramic camera has detected that bus enters bus-only approach, has sent the preferential instruction of display bus signals to signal controlling machine, has ensured that bus preferentially passes through crossing; When wide-angle panoramic camera does not detect that bus enters bus-only approach, and in the craspedodrome section of the Dominating paths segment length M nearest apart from crossing, when all wagon detectors all do not detect bus, send to signal controlling machine and cancel the preferential instruction of bus signals, allow public vehicles to enter bus-only approach and carry out keeping straight on and turning right.
In the inventive method, the spacing of LED light is 100 meters to 300 meters.
In the inventive method, Dominating paths segment length M is the twice of two adjacent LED light spacing on public transportation lane and common divisional line, namely 200 meters to 600 meters.
Beneficial effect: the present invention compared with prior art, has the following advantages:
Compared with the conventional method, design is shared in the timesharing that the present invention considers section and crossing public transportation lane simultaneously, ensure that the optimum rate of utilization of path resource; Adopt LED light, compare traditional physics lifting isolation, with low cost, safety also conveniently administers and maintains; Required facility is all existing standard part, need not Development and Production again, and the method exploitativeness is strong.
On section, the present invention by wagon detector and LED light, the opening of Dynamic controlling public transportation lane and closedown, when public transportation lane utilization factor is not high, allow public vehicles to enter public transportation lane, make full use of path space, effectively can improve the traffic capacity of road.
In crossing, the present invention is by wide-angle panoramic camera and signal controlling machine, it is preferential whether automatic adjustment enables bus signals, when not having bus to enter crossing, cancel bus signals preferential, bus signals is become the right of way signal of public vehicles, under the prerequisite guaranteed priorities of buses, avoid the loss of green time, effectively can reduce the delay of public vehicles.
Accompanying drawing explanation
Fig. 1 a is two adjacent LED light spacing when being 100 meters, section red light working state schematic representation.
Fig. 1 b is two adjacent LED light spacing when being 200 meters, section red light working state schematic representation.
Fig. 1 c is two adjacent LED light spacing when being 300 meters, section red light working state schematic representation.
Fig. 2 a is two adjacent LED light spacing when being 100 meters, section green light working state schematic representation.
Fig. 2 b is two adjacent LED light spacing when being 200 meters, section green light working state schematic representation.
Fig. 2 c is two adjacent LED light spacing when being 300 meters, section green light working state schematic representation.
Fig. 3 is crossing public traffic in priority working state schematic representation.
Fig. 4 is that public traffic in priority working state schematic representation is cancelled in crossing.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in detail.
Method is shared in public transportation lane timesharing of the present invention, comprising: on public transportation lane and common divisional line, spaced set is used to indicate the LED light whether public vehicles can enter public transportation lane traveling; Under LED light embeds road surface, have two kinds of duties: green light and red light, the spacing of two adjacent LED light is 100 meters to 300 meters; Public transportation lane is arranged for detecting the wagon detector whether having bus process, wagon detector is inductive coil, and described wagon detector and LED light one_to_one corresponding are arranged, and LED light is arranged on the wagon detector front corresponding with it; Both road longitudinally on spacing
Wherein, v
busfor bus average running speed; a
busfor bus braking deceleration; Braking deceleration is vehicle from braking to stopping completely, the reduction degree of speed in the unit interval; t
0for the bus driver reaction time; Analyze according to driver's response characteristic: driver's braking procedure comprises perception, judges, starts braking and braking doing the trick Four processes; H is the following distance of adjacent two cars on same track.The present invention, according to the regulation of " traffic engineering " and " People's Republic of China's law on road traffic safety ", gets a in actual applications
busfor 3m/s
2to 5m/s
2, t
0be 2.0 seconds to 3.0 seconds, H gets 30 meters to 50 meters.
Arrange for detecting the wide-angle panoramic camera whether having bus to enter bus-only approach at the road edge of crossing, described wide-angle panoramic camera and the spacing of bus-only approach stop line on road is longitudinal are
the signal controlling machine of setting for controlling bus and public vehicles, the signal controlling bus has two kinds of duties: adopt bus signals preferential preferential with cancellation bus signals.
On section, whether the wagon detector be positioned on public transportation lane has bus to pass through for detecting, when all wagon detectors in the craspedodrome section of Dominating paths segment length M all do not detect bus, the all LED light controlling this section are shown in green, thus allow public vehicles to enter; Otherwise all LED light controlling this section are shown in red, forbid that public vehicles enter, and the instruction public vehicles travelled on this section leave public transportation lane.Crossing, in the road outer of the bus-only approach at distance bus-only approach stop line S rice, wide-angle panoramic camera is installed, bus whether is had to enter bus-only approach for detecting, when having detected that bus enters, sending to signal controlling machine adopts bus signals preferential, ensures that bus preferentially passes through crossing; Otherwise, cancel bus signals preferential, allow public vehicles to use bus-only approach, realize the peak use rate of path resource.
Different according to the spacing of LED light, the Dominating paths segment length M of Real-time Collection is also different, and M is the twice of two adjacent LED light spacing.As shown in Figure 1a, two adjacent LED light spacing are 100 meters, and Dominating paths segment length is 200 meters; Real-time Collection wagon detector signal, control in the craspedodrome section of length M, detecting device has detected bus process, sends the red signal of display, forbid that public vehicles use public transportation lane to LED light.
As shown in Figure 1 b, two adjacent LED light spacing are 200 meters, and Dominating paths segment length is 400 meters; Real-time Collection wagon detector signal, control in the craspedodrome section of length M, detecting device has detected bus process, sends the red signal of display, forbid that public vehicles use public transportation lane to LED light.
As illustrated in figure 1 c, two adjacent LED light spacing are 300 meters, and Dominating paths segment length is 600 meters; Real-time Collection wagon detector signal, in the craspedodrome section controlling length M, detecting device has detected that bus passes through, to with wagon detector one to one LED light send the signal showing red light, red light represents that now public vehicles prohibit the use public transportation lane, namely to sail out of as early as possible at the public vehicles of public transportation lane, No entry the public transportation lane of the public vehicles in common track.
As shown in Figure 2 a, two adjacent LED light spacing are 100 meters, and Dominating paths segment length is 200 meters; Real-time Collection wagon detector signal, in the craspedodrome section controlling length M, all detecting devices all detect does not have bus process, sends the green signal of display to LED light, allows public vehicles to use public transportation lane.
As shown in Figure 2 b, two adjacent LED light spacing are 200 meters, and Dominating paths segment length is 400 meters; Real-time Collection wagon detector signal, in the craspedodrome section controlling length M, all detecting devices all detect does not have bus process, sends the green signal of display to LED light, allows public vehicles to use public transportation lane.
As shown in Figure 2 c, two adjacent LED light spacing are 300 meters, and Dominating paths segment length is 600 meters; Real-time Collection wagon detector signal, in the craspedodrome section of Dominating paths segment length M, all wagon detectors all do not detect that bus passes through, to with wagon detector one to one LED light send the signal showing green light, green light represents that permission public vehicles use public transportation lane, and the public vehicles in common track can select suitable chance to enter public transportation lane traveling.
As shown in Figure 3, arrange for detecting the wide-angle panoramic camera whether having bus to enter bus-only approach at the road edge of crossing, described wide-angle panoramic camera and the spacing of bus-only approach stop line on road is longitudinal are
when wide-angle camera has detected that bus is through out-of-date, send to the signal controlling machine being placed in crossing and enable the preferential instruction of bus signals, bus signals is preferentially give the right of priority of public transit vehicle relative to other vehicles at signalized crossing, thisly corresponding teleseme preferentially should not caused to depart from normal operating condition.Bus signals is preferentially divided into three kinds of strategies, passive preference strategy, initiatively preference strategy and real-time priority strategy; Passive preference strategy mainly contains adjustment signal period length, repeats the method for green light, Signal Phase Design and the green ripple of coordination for public transport operation; Initiatively preference strategy mainly contains the method such as phase place prolongation, activated in advance phase place, public transit vehicle dedicated phase and phase-compression; Real-time priority strategy mainly contains methods such as incuring loss through delay optimization, crossing control and network control.The present invention is in crossing, wide-angle camera has detected that bus is through out-of-date, according to the condition of real road and signal controlling machine, can adopt above-mentioned bus signals Priority Directive, abundant guarantee bus, in the traffic capacity of crossing, realizes the transfer of unit interval maximum number.
As shown in Figure 4, arrange for detecting the wide-angle panoramic camera whether having bus to enter bus-only approach at the road edge of crossing, described wide-angle panoramic camera and the spacing of bus-only approach stop line on road is longitudinal are
when in the craspedodrome section that wide-angle camera does not detect bus process and the Dominating paths segment length M nearest apart from crossing, when all wagon detectors all do not detect bus, send to the signal controlling machine being placed in crossing and cancel the preferential instruction of bus signals, bus-only approach is become simultaneously and control the current signal of public vehicles, allow public vehicles to use bus-only approach and carry out keeping straight on and turning right.
In addition, in crossing, allow right-hand rotation public vehicles to enter public transportation lane and turn right, because in crossing, right-hand rotation public vehicles can't form serious conflict point with bus, effectively can improve the traffic capacity of crossing like this, reduce and incur loss through delay.
Above-described embodiment should be understood only for illustration of the embodiment of technical solution of the present invention, and be not used in and limit the scope of the invention.After having read the present invention, those skilled in the art are to the amendment of various equivalents of the present invention and replace the protection domain all falling within the application's claim and limit.
Claims (3)
1. a method is shared in public transportation lane timesharing, it is characterized in that, the method comprises:
On public transportation lane and common divisional line, spaced set is used to indicate the LED light whether public vehicles can enter public transportation lane traveling;
Public transportation lane is arranged for detecting the wagon detector whether having bus process, described wagon detector and LED light one_to_one corresponding are arranged, and LED light is arranged on the wagon detector front corresponding with it, both road longitudinally on spacing
Wherein, v
busfor bus average running speed; a
busfor bus braking deceleration; t
0for the bus driver reaction time; H is the following distance of adjacent two cars on same track;
Arrange for detecting the wide-angle panoramic camera whether having bus to enter bus-only approach at the road edge of crossing, described wide-angle panoramic camera and the spacing of bus-only approach stop line on road is longitudinal are
Real-time Collection wagon detector signal, when there being the length all wagon detectors be more than or equal in the craspedodrome section of Dominating paths segment length M bus all not detected, the all LED light controlling this section are shown in green, thus allow public vehicles to enter, otherwise all LED light controlling this section are shown in red, forbid that public vehicles enter, and the instruction public vehicles travelled on this section leave public transportation lane;
Real-time Collection wide-angle panoramic camera signals, when wide-angle panoramic camera has detected that bus enters bus-only approach, has sent the preferential instruction of display bus signals to signal controlling machine, has ensured that bus preferentially passes through crossing; When wide-angle panoramic camera does not detect that bus enters bus-only approach, and in the craspedodrome section of the Dominating paths segment length M nearest apart from crossing, when all wagon detectors all do not detect bus, send to signal controlling machine and cancel the preferential instruction of bus signals, allow public vehicles to enter bus-only approach and carry out keeping straight on and turning right.
2. method is shared in public transportation lane timesharing according to claim 1, it is characterized in that, on described public transportation lane and common divisional line, the spacing of two adjacent LED light is 100 meters to 300 meters.
3. method is shared in public transportation lane timesharing according to claim 1 and 2, it is characterized in that, described Dominating paths segment length M is the twice of two adjacent LED light spacing on public transportation lane and common divisional line, namely 200 meters to 600 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410151827.2A CN103886764B (en) | 2014-04-15 | 2014-04-15 | Method is shared in public transportation lane timesharing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410151827.2A CN103886764B (en) | 2014-04-15 | 2014-04-15 | Method is shared in public transportation lane timesharing |
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| CN103886764A CN103886764A (en) | 2014-06-25 |
| CN103886764B true CN103886764B (en) | 2015-10-28 |
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| CN104269065B (en) * | 2014-09-29 | 2016-02-24 | 东南大学 | Two-way road and the one way traffic crossing optimization method with reverse public transportation lane |
| CN104504918B (en) * | 2014-12-19 | 2016-08-24 | 江苏智通交通科技有限公司 | A kind of urban road bus signals mode of priority |
| CN105139671B (en) * | 2015-10-19 | 2018-01-23 | 卢庆港 | Limit the intelligent traffic control system and its control method of viewing area |
| CN105575136A (en) * | 2016-03-04 | 2016-05-11 | 武汉理工大学 | Bus lane control method |
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| CN106971562A (en) * | 2017-05-17 | 2017-07-21 | 东南大学 | The lane change time division multiplex method and system guaranteed priorities of buses |
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| CN112258849B (en) * | 2020-10-26 | 2022-03-29 | 上海市城市建设设计研究总院（集团）有限公司 | Dynamic automatic driving special lane based on expressway and use method thereof |
| CN113591269B (en) * | 2021-06-29 | 2024-03-19 | 东南大学 | Traffic simulation-based congestion road section intelligent network-connected vehicle special road control method |
| CN113628459B (en) * | 2021-09-23 | 2022-05-24 | 西南交通大学 | Bus priority method for reserved intersection facing intermittent bus lane |
| CN115240451B (en) * | 2022-07-18 | 2023-05-12 | 东南大学 | Expressway automatic driving special road time sharing method based on vehicle-road cooperation |
| CN115294791A (en) * | 2022-07-29 | 2022-11-04 | 广州市粤迅特数码技术有限公司 | Intelligent traffic guidance system for smart city |
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