EP1831853A1 - Verfahren und vorrichtung zur steuerung von lichtsignalanlagen für den aufbau einer grünen welle - Google Patents
Verfahren und vorrichtung zur steuerung von lichtsignalanlagen für den aufbau einer grünen welleInfo
- Publication number
- EP1831853A1 EP1831853A1 EP06778100A EP06778100A EP1831853A1 EP 1831853 A1 EP1831853 A1 EP 1831853A1 EP 06778100 A EP06778100 A EP 06778100A EP 06778100 A EP06778100 A EP 06778100A EP 1831853 A1 EP1831853 A1 EP 1831853A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coordinated
- traffic
- intersection
- signal
- different directions
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- 230000011664 signaling Effects 0.000 claims abstract description 14
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- 238000005259 measurement Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 7
- 238000011156 evaluation Methods 0.000 claims description 5
- 238000007619 statistical method Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000012896 Statistical algorithm Methods 0.000 claims 1
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- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 11
- 238000010276 construction Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/08—Controlling traffic signals according to detected number or speed of vehicles
Definitions
- the present invention relates to a method and a device for controlling light signal systems for the construction of a green shaft.
- a traffic signal system consists of a combination of light sensors for the various access roads to the intersection and the necessary operating facilities to control the traffic flow.
- a light signal transmitter in this sense is a telecommunications device that transmits visible signals to the road users.
- a signal program in which the signal times of the traffic signal system with respect to duration and assignment are defined.
- festzeitge- and traffic-dependent method of controlling the controlled Sig ⁇ nalgeber at an intersection known.
- the fixed-time signal ⁇ control is a light signal control with fixed signal times without consideration of current traffic conditions. This macroscopic signal control is based on a long-term consideration of the traffic condition at the intersection.
- the method used on fixed tables working programs signal with an star ⁇ ren daily or weekly automatic. At the respective traffic signal system, the switching times for changing signal programs are thus set, for example, for the respective day of the week.
- the object of the present invention is to provide a method and a device for controlling traffic signal systems, which are for the construction of a green wave do not require a connection to a central traffic computer.
- Appropriate detectors continuously detect a time distribution of vehicles crossing the intersection in the direction to be coordinated. From the recorded temporal distribution, cyclically recurring groups of vehicles are identified, preferably using statistical methods, and the cycle and the arrival times of the pulses at the intersection are determined on the basis of this.
- a signaling program of the traffic signal system is selected or generated and, taking into account the determined arrival times for controlling the traffic light system timed so that one or more signal generator of the light signaling system, which control the direction to be coordinated, to the arrival times the pulks are in a green phase.
- the selection or generation of the signal program is a matter of course in such a way that the switching cycle of the betrof ⁇ fenen signal transmitter corresponds at least approximately to the th Pulkzyklus erstoff- from the temporal distribution. If a ⁇ - like control for the traffic signals on a given route is used, on which a green wave to ⁇ generated should, so there is a self-organizing construction of a green wave between the adjacent traffic signal without communication between them and without synchronization ⁇ signal one headquarters. The relevant traffic lights must therefore not be connected to a central office or a central traffic computer. For building a green Wave on a predetermined route must rather be determined only on the light systems involved in each case the corresponding directions on which the green wave is to be generated, referred to in the present patent application as the direction to be coordinated.
- an automatic adaptation or coordination between adjacent traffic signal systems in the direction of the strongest traffic load without data exchange between the traffic signal systems and without synchronization signal of a control center can also take place.
- Be ⁇ humor to the coordinating direction depending on the current, average traffic load preferably by means of a priority scheme, which is set for different directions at the light signal system.
- the determination of priorities is advantageous if the same traffic load is determined in the various directions considered. In this case, the direction with the highest is for the construction of the green wave
- the present device for controlling a traffic signal system comprises in known manner a memory unit with stored signaling programs for the light signal transmitter of the traffic signal system.
- the apparatus further includes a configuration unit in which for crossing at least one is for coordinating the direction of fixed and / or paraformaldehyde ⁇ meter can be configured to determine the to be coordinated direction, a processing unit for incoming measurement ⁇ data of one or more detectors for vehicle detection, consisting of the measurement data is determined by a time distribution of vehicles that pass the intersection in the at least one direction to be coordinated, and an evaluation unit that identifies cyclically recurring groups of vehicles from the temporal distribution and determines the cycle and the arrival times of the pulks at the intersection ,
- An execution unit of the device is designed such that it selects by means of the cycle, a signaling program of the traffic signal is generated or and taking into ⁇ the determined arrival times for controlling the light supply signal system switches in time so that one or more optical signal generators which to coordinating direction control, to be located at the arrival times of the Pul
- 1 shows schematically a flow chart of the present method for controlling a traffic signal system
- 2 schematically shows an exemplary structure of a device for carrying out the method
- 3 shows an example of the marking of the difference ⁇ handy directions at an intersection
- 4 shows an example of an automatic coordination along the strongest traffic flow in a road network.
- the self-organization is controlled in this example by three basic mechanisms, each of the betei ⁇ Ligten traffic lights at the intersections, hereinafter also referred to as nodes, must have.
- the nodes must have suitable detection devices, at least for the directions or access roads to be coordinated, which make it possible to detect individual vehicles with a time-based resolution of preferably ⁇ Is. This can be done for example via induction loops in the lanes.
- ⁇ Is time-based resolution
- Using standard statistical methods in this Pulkanalysis 4 at least one absolute bunch ⁇ peak arrival time and the cycle of Pulkspitzenankünfte from the detected with the detection devices measuring data, especially the time distribution of the vehicles is determined.
- a second essential mechanism is the determination of the direction 2 to be coordinated.
- This direction to be coordinated can either be predefined for the respective node in the traffic light system or can be implemented as a function of the current average traffic load using a predetermined priority scheme. Therefore, the operator first of all specifies the direction to be coordinated for each involved traffic signal system or each participating node or creates a priority scheme for different directions at the node. This is indicated by method step 1 in the flowchart of FIG.
- Such a scheme might for example for a ⁇ zelne direction of a node of the following form to be: ⁇ Priority ⁇ 1,2, ...>, access ⁇ N, O, S, W>, exit ⁇ N, O, S, W>, start / continuation of wave ⁇ B, C> ⁇
- the individual identifiers for the access or exit give in this example, the cardinal directions for the identification of the entrances and exits of a junction K, as indicated schematically in Figure 3.
- any other names can be used for the entrances and exits.
- the node numbers of the respective adjacent nodes are also suitable as designations.
- the identifiers B, C define whether a green wave for that direction begins (B) or continues (C) at that node. In case of onset, no pulse analysis needs to be performed. However, the respective green windows must be fixed in any position as long as the direction in question has the highest load. Set the Operator Op ⁇ over must therefore advance what the Lichtsignalanla ⁇ be used gen for the start of a green wave.
- a plurality of such tuples can be defined here in order to include multiple directions in the coordination according to the present method.
- An example of two such tuples may be, for example, as follows:
- the direction WO or OW represents the direction to be coordinated, depending on which of these directions has the greater traffic load.
- the direction WO at this node forms the beginning of the green wave, whereas the opposite direction 0-W continues the wave. If the loads of the two directions are approximately equal, the direction with the higher pri preferred.
- the load selection is preferably via a hysteresis loop, so that a change of coordination takes place only when the change in traffic load over a longer period is maintained.
- the determination of the direction to be coordinated takes place in step 3 on the basis of the predetermined definition or on the basis of the traffic load for the directions indicated by the tuples, which is determined on the basis of the measurement data of the detection device.
- the already explained automatic pulse analysis 4 takes place, by means of which the absolute pulse peak arrival times and the cycle of the pulse peak arrivals at the node are determined.
- an appropriate signal management program for the control of the light signal transmitters of the traffic signal As a third basic mechanism of the present encryption driving finally the selection and off ⁇ takes place in step 5, an appropriate signal management program for the control of the light signal transmitters of the traffic signal.
- the existing signal programs signal conditioning in the light ⁇ (fixed time programs) or frameworks are hereby selected or rotated, that the circulation time ent the cycle of Pulkspitzenankünfte ⁇ speaks and coordination direction is in the green window at the right time. If no suitable signal ⁇ programs exist, local control can NEN also required hard time programs or frameworks online calculate or modify existing, for example by time compression or expansion of the periods.
- Figure 2 this shows an example of an apparatus for controlling the light signal system, a so-called traffic ⁇ control unit.
- a traffic control devices typi ⁇ are shear as installed in an equipment cabinet, wherein the individual components, such as power supply, control, signaling control, I / O modules and the air switch-shaped U-on a frame are mounted.
- the control assembly consists We ⁇ sentlichen of a main processor, which can, for example, up to 48 control signal groups from the memory modules and di- verses interfaces.
- a control unit 10 comprises a core module 20 and a control module 30.
- the core module 20 the switching of signal groups comprising light signal transmitters 40 and the continuous detection of traffic data by detectors 50 take place.
- the memory unit 23 of the core module 20 corresponding signaling programs for switching the light signal are stored.
- control module 30 comprises a processing unit 32 in which the measurement data acquired by the detectors 50 are processed in order to obtain an average traffic load in different directions as well as chronological courses of the vehicles in the different directions.
- the control module 30 further comprises egg ⁇ ne configuration unit 31, in which are defined to be coordinated or more potentially direction indicated directions to be coordinated with corresponding priorities.
- An evaluation unit 33 determines the direction to be coordinated by the data processing unit 32 and the confi ⁇ gurationstechnik 31 according to the present method, as explained in connection with FIG. 1
- the automatic pulse analysis in the direction to be coordinated likewise takes place in the evaluation unit 33.
- the execution unit 34 which in the present example is connected to a generation unit 35 for generating suitable signal programs, selects the suitable signal programs from the memory unit 23 or leaves them by the generation unit 35 create and execute them by controlling the signal generator 40.
- the green wave is always established along the strongest traffic flow in the road network covered by the method.
- Figure 4 shows an example of this, when such a green shaft by ⁇ Diorgani organization of the nodes involved Kl to K4 was constructed according to the Cumulf- the method.
- the traffic signals of the individual nodes do not have to be connected to a central entity or communicate with each other.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
- Optical Communication System (AREA)
- Manufacture Of Motors, Generators (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005041067A DE102005041067A1 (de) | 2005-08-30 | 2005-08-30 | Verfahren und Vorrichtung zur Steuerung von Lichtsignalanlagen für den Aufbau einer grünen Welle |
| PCT/EP2006/064896 WO2007025825A1 (de) | 2005-08-30 | 2006-08-01 | Verfahren und vorrichtung zur steuerung von lichtsignalanlagen für den aufbau einer grünen welle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1831853A1 true EP1831853A1 (de) | 2007-09-12 |
| EP1831853B1 EP1831853B1 (de) | 2008-04-09 |
Family
ID=37188983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06778100A Not-in-force EP1831853B1 (de) | 2005-08-30 | 2006-08-01 | Verfahren und vorrichtung zur steuerung von lichtsignalanlagen für den aufbau einer grünen welle |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1831853B1 (de) |
| AT (1) | ATE391981T1 (de) |
| DE (2) | DE102005041067A1 (de) |
| WO (1) | WO2007025825A1 (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008050822A1 (de) | 2008-10-08 | 2010-04-15 | Gevas Software Systementwicklung Und Verkehrsinformatik Gmbh | Verkehrsadaptive Netzsteuerung und Verfahren zur Optimierung der Steuerungsparameter |
| DE102009022833A1 (de) * | 2009-05-27 | 2010-12-09 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zum Umschalten von Signalprogrammen |
| DE102011107663B4 (de) * | 2011-07-12 | 2013-07-04 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Verfahren und Vorrichtung zur dynamischen Steuerung einer Signalanlage |
| DE102012024143A1 (de) | 2012-12-11 | 2013-08-29 | Daimler Ag | Verfahren zur Führung eines Verkehrs in einem Verkehrsnetz |
| CN103956060B (zh) * | 2014-05-05 | 2016-08-24 | 北京易华录信息技术股份有限公司 | 一种能减少绿灯损失时间的路口控制机及控制方法 |
| CN104091455B (zh) * | 2014-07-24 | 2016-08-17 | 北京易华录信息技术股份有限公司 | 能确保自行车安全的干道双向绿波信号控制方法及系统 |
| DE102016204808B4 (de) | 2016-03-23 | 2024-09-26 | GESIG, Gesellschaft für Signalanlagen Gesellschaft m.b.H. | Verfahren zur Verkehrsflusssteuerung und Verkehrsmanagementsystem |
| DE102018007963A1 (de) | 2018-10-09 | 2019-10-02 | Daimler Ag | Ausströmeinrichtung einer Klimaanlage und Kraftfahrzeug |
| DE102019212655A1 (de) * | 2019-08-23 | 2021-02-25 | Siemens Mobility GmbH | Ermittlung und/oder Optimierung einer Effizienz einer Lichtsignalsteuerung |
| CN111311949B (zh) * | 2020-02-29 | 2021-07-16 | 华南理工大学 | 一种面向非封闭式协调线网的信号相位相序优化方法 |
| CN113066295B (zh) * | 2021-03-23 | 2022-05-31 | 绵阳职业技术学院 | 交通信号灯控制方法及装置 |
| CN115303261B (zh) * | 2022-08-01 | 2024-05-14 | 重庆赛力斯新能源汽车设计院有限公司 | 基于场端的自动泊车方法、装置、电子设备和存储介质 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2816919B2 (ja) * | 1992-11-05 | 1998-10-27 | 松下電器産業株式会社 | 空間平均速度および交通量推定方法、地点交通信号制御方法、交通量推定・交通信号制御機制御装置 |
| DE4436339A1 (de) * | 1994-10-11 | 1996-04-18 | Ifu Gmbh | Verfahren zur verkehrsadaptiven Steuerung einer Verkehrsampelanlage |
| DE19521927C2 (de) * | 1995-06-09 | 1998-08-06 | Inst Automation Und Kommunikat | Verfahren und Vorrichtung zur verkehrsabhängigen Grünzeitanpassung in einer Verkehrssignalanlage |
| US6587778B2 (en) * | 1999-12-17 | 2003-07-01 | Itt Manufacturing Enterprises, Inc. | Generalized adaptive signal control method and system |
| DE10146398A1 (de) * | 2001-09-20 | 2003-04-17 | Siemens Ag | System zum Steuern von Lichtsignalgebern an Kreuzungen |
-
2005
- 2005-08-30 DE DE102005041067A patent/DE102005041067A1/de not_active Withdrawn
-
2006
- 2006-08-01 DE DE502006000608T patent/DE502006000608D1/de not_active Expired - Fee Related
- 2006-08-01 WO PCT/EP2006/064896 patent/WO2007025825A1/de not_active Ceased
- 2006-08-01 AT AT06778100T patent/ATE391981T1/de not_active IP Right Cessation
- 2006-08-01 EP EP06778100A patent/EP1831853B1/de not_active Not-in-force
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2007025825A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE502006000608D1 (de) | 2008-05-21 |
| EP1831853B1 (de) | 2008-04-09 |
| WO2007025825A1 (de) | 2007-03-08 |
| ATE391981T1 (de) | 2008-04-15 |
| DE102005041067A1 (de) | 2007-03-01 |
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