EP0992964A2 - Indicateur de signal et appareil de signalisation de circulation ainsi équipé - Google Patents

Indicateur de signal et appareil de signalisation de circulation ainsi équipé Download PDF

Info

Publication number: EP0992964A2
Authority: EP; European Patent Office
Prior art keywords: signal; traffic; transmitters; control; transmitter
Prior art date: 1998-10-07
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

Application number

EP99119128A

Other languages

German (de)

English (en)

Other versions

EP0992964B1 (fr

EP0992964A3 (fr

Inventor

Joachim Seemann

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Siemens AG

Siemens Corp

Original Assignee

Siemens AG

Siemens Corp

Priority date (The priority date 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 date listed.)

1998-10-07

Filing date

1999-10-05

Publication date

2000-04-12

1999-10-05 Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG

2000-04-12 Publication of EP0992964A2 publication Critical patent/EP0992964A2/fr

2000-10-04 Publication of EP0992964A3 publication Critical patent/EP0992964A3/fr

2005-12-21 Application granted granted Critical

2005-12-21 Publication of EP0992964B1 publication Critical patent/EP0992964B1/fr

2019-10-05 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

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238000012545 processing Methods 0.000 claims description 3
238000011156 evaluation Methods 0.000 claims description 2
230000011664 signaling Effects 0.000 abstract description 10
210000001367 artery Anatomy 0.000 description 3
238000013461 design Methods 0.000 description 3
230000002457 bidirectional effect Effects 0.000 description 2
238000011161 development Methods 0.000 description 2
230000018109 developmental process Effects 0.000 description 2
238000010586 diagram Methods 0.000 description 2
238000009434 installation Methods 0.000 description 2
238000000034 method Methods 0.000 description 2
238000012544 monitoring process Methods 0.000 description 2
230000003287 optical effect Effects 0.000 description 2
238000009412 basement excavation Methods 0.000 description 1
238000010276 construction Methods 0.000 description 1
230000009977 dual effect Effects 0.000 description 1
230000006698 induction Effects 0.000 description 1
238000007726 management method Methods 0.000 description 1
230000001960 triggered effect Effects 0.000 description 1

Images

Classifications

- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/095—Traffic lights

Definitions

the invention relates to a signal generator for a Traffic signal system according to the preamble of the claim 1 and a traffic signal system equipped with it self.
a stand-alone traffic signal system for example to regulate traffic at an intersection, that are only installed with their access roads, signal transmitters operating according to a predetermined signal program is nowadays only conventional to call.
Road traffic control systems are much more complex Fulfill tasks.
modern Traffic signal systems often at least means for vehicle detection assigned in the direction of the relevant traffic flows, to enable traffic routing based on demand.
From US-A-5 777 564 is an example of a modern traffic signal system known how to use vehicle detectors, in the area of one or more intersections of one Traffic route are arranged, the flow of traffic through the Control individual intersections as required and thus optimize them can. As this example teaches, the technical Considerable effort is required to meet these requirements. In addition to the actual signal generators and their controls vehicle detectors are required that are often in the Roads embedded induction loops, but for example also as passive infrared or traffic radar detectors are trained. You can also use it to determine traffic Video cameras are used.
the traffic information provided by these sensors must be prepared and processed in order to turn it into a derive the current traffic flows coordinated signal program, with which finally the different signal transmitters the traffic signal system.
Computer systems naturally also become corresponding transmission paths from the peripheral units to the computer system or from the computer system to the peripheral controls and units needed.
In addition to the actual supply lines for the individual units of the traffic signal system are therefore also corresponding line connections for information transmission required. It can be seen that the Operation of modern traffic signal systems with a significant technical investment is connected.
the present invention is therefore based on the object a further embodiment for a signal generator at the beginning mentioned type with which it is possible to create in to flexibly equip traffic signal systems with reduced labor and investment costs. Another job consists of specifying a traffic signal system itself, which with little planning and installation effort adapt flexibly to different requirements is.
a signal transmitter designed according to the invention technological advances that enable smaller designs, exploited with advantage. It starts with the thought that a signal generator, visibly suspended from a mast, only serves the function, optical signals a device control and not too far away from it is set up about him for his operation the required electrical energy and control information is fed. Conventional signal generators of this type have at most a signal control through which alternatively the individual light signaling devices, triggered by the device control, to be activated.
both smaller and more complex traffic signal systems can be created, the structure of which, above all with regard to the control of the signal transmitter, has a more decentrally organized structure instead of an essentially centrally oriented one.
This is achieved by doing more Intelligence "in the periphery of the traffic signal system, that is, in the signal transmitter itself.
the conventional signal transmitter which is to be interpreted as a passive device, becomes an active device in which essential parts of the control functions are already carried out independently.
a control computer that also can be designed so that it as a peripheral control for additional signaling device can be used, each with it Data transmission devices can be networked.
This tax calculator then takes over for that in the traffic signal system with it, other signal transmitters network the function of Main control, the corresponding control computer the other signaling devices depending on this main control are.
a smaller traffic signal system for example for a single intersection can thus be self-sufficient System be constructed so that one of their signal transmitters his control computer the signal program for the entire traffic signal system executes, after which the other signal generators work.
Every signal generator is one with it equipped traffic signal system - dual function - both a controlled light signaling device as well as a device for Detect current vehicle movements in its detection area. Detected via his (her) vehicle detector (s) Vehicle information can be stored in your own tax calculator, occasionally in the control computer, which is for a group of signal generators performs the function of the main control, processes become. So it is with an autonomous traffic signal system possible, a signal program adapted to the current demand derived only for this traffic signal system.
Attachments are local to each other in the individual groups networked signal generators preprocessed information about the local traffic situation through the central traffic computer retrieved or offered to it for further processing there to become, for example, the flow of traffic to steer along a main artery as needed.
Figures 1 and 2 is a front and a rear view the external form of a signal generator for road traffic shown.
this appears to be conventional Signal transmitter has three light signal transmitters 1 for red, Yellow or green light on that the front of its housing 2 are assigned. It is also attached to one like normal signaling devices to fix signal mast, not shown, by means of clamps 3. But this is exhausted in its appearance the compliance with signalers that everyone out knows the traffic.
the Light signal generator 1 arranged a first detector. This is designed as a passive infrared detector 4 in this example and this orientation is intended for vehicle movements to capture the - seen in the direction of traffic - lie in front of the signal transmitter.
further detectors are provided in this Example are designed as video cameras 5.
these are detectors both front and back aligned, so that thus vehicle movements for both on the auto switch incoming and outgoing traffic direction are.
an antenna 6 is arranged, which acts as a transmit / receive antenna is trained.
Signaling device has a double function as an optical light signaling device the usual way, but also as a means of Detection of the current traffic flow in its detection area is satisfied.
FIG 3 is a schematic block diagram of the inner Structure of the signal generator according to Figure 1 or 2, however, it becomes even clearer what this is designed for.
the light signal generator 1 In this cross section shown in Figure 3 through the housing 2 of the signal generator are first the light signal generator 1 and the detectors already mentioned, such as the infrared detector 4 and the video cameras 5, and finally the Recognize antenna 6.
the light signal transmitter 1 is one in assigned to a block shown signal control 7 of the type which can also be found in conventional signal generators.
FIG. 3 illustrates that in conventional traffic signal systems device control set up separately from the signal transmitter, shown in FIG. 3 as processor unit 8, integrated in the housing 1 of the signal generator.
Figure 3 illustrates that this processor unit 8 with input / output devices 81 is equipped and through this with their environment communicates.
This initially relates to signal control 7 the light signal generator 1.
FIG Connection between the processor unit 8 and the signal control 7 shown as a bidirectional connection.
the processor unit 8 to the signal control transmits both control signals that the light signal transmitter 1 selectively according to a certain signal program activate.
the processor unit can be in the opposite direction 8 Call up 7 control signals from the signal control with which it is possible to receive an error-free Monitor the functional status of the light signal transmitter 1.
the exemplary embodiment in FIG. 3 is also based on: that the processor unit 8 also that of the detectors 4 or 5 recorded information about the current traffic condition is fed.
the infrared detector 4 or the video cameras 5 are each assigned a detector unit 9 or 10. These prepare those from the connected infrared detector 4 or the video cameras 5 signals. details the expert is familiar with this, since traffic monitoring using infrared detectors or video cameras can be assumed to be known. As is known, there is e.g. B. also for the evaluation of recordings of the video cameras a variety of design options, their Use of the structure of the respective traffic monitoring or. Traffic management system depends on where an individual Signal generator only one of the possibly many peripheral ones Represents modules.
the processor unit 8 not only with the in the signal generator itself integrated units in connection stands, but is also equipped to continue with facilities spatially separated from it Traffic signal system or a traffic control system information exchange.
a communication device 11 which as a bidirectional long distance data transmission facility is to be viewed and in this example as a radio transmitter / receiver with the environment via the connected antenna 6 communicates.
the expert illuminates - this communication device 11 as Interface to surrounding facilities in connection with a corresponding transmitting / receiving device also as a data transmission device trained for an infrared connection his.
wired data transmission via connected data lines possibly also for it shared supply lines would be conceivable, as in FIG. 3 as an alternative by one drawn in broken lines Connection of the communication device 11 to a line cable 12 is indicated.
the multi-functional circuit described enables Signalers in a flexible manner a variety of embodiments of traffic signal systems.
a traffic signal system for example for traffic control at just one intersection or junction, without being connected externally, on its own and is only equipped with a limited number of signaling devices.
device control housed in a control box, in the area the traffic signal system and to the individual signalers connected via cables laid in the ground. about this cable connection is supplied by the device control system predefined signal program specified individual control signals to the connected signal transmitters or their Signal controls.
a traffic signal system that is equipped with signal transmitters of the above-described embodiments differs fundamentally from this.
the processor unit of one of the signal transmitters of the traffic signal system takes over the function of the conventionally separately installed device control as the main control, the processor units of the other signal transmitters of the traffic signal system are operated by this main control in the manner of a Master-slave "configuration.
the communication required between the processor units of the signal transmitters is preferably carried out wirelessly via a radio or infrared connection, although it is also possible per se to use existing line connections for this data exchange. Are the signal transmitters necessary?
information about the current traffic occupancy can also be recorded in the area of this traffic signal system and processed in the processor unit designed as the main controller, which is thus able to automatically select a signal program adapted to the current traffic situation and to control the signal transmitters networked with it .
traffic signal systems for example in the course of a main traffic artery, more generally traffic across several intersections and a plurality of Directing entrances and exits are traffic signal systems organized as local subsystems described above, their as the main control of the respective subsystem Acting processor unit in addition to the functions described also exchanges data with a central traffic computer.
the central traffic computer that of the individual Occupancy data supplied to subsystems is recorded and evaluated. The main control of each individual depends on this Subsystems activated in such a way that one after it adapted signal program in turn controls the subsystem.

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Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Traffic Control Systems (AREA)

EP99119128A 1998-10-07 1999-10-05 Indicateur de signal et appareil de signalisation de circulation ainsi équipé Expired - Lifetime EP0992964B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19846229		1998-10-07
DE19846229		1998-10-07

Publications (3)

Publication Number	Publication Date
EP0992964A2 true EP0992964A2 (fr)	2000-04-12
EP0992964A3 EP0992964A3 (fr)	2000-10-04
EP0992964B1 EP0992964B1 (fr)	2005-12-21

Family

ID=7883723

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP99119128A Expired - Lifetime EP0992964B1 (fr)	1998-10-07	1999-10-05	Indicateur de signal et appareil de signalisation de circulation ainsi équipé

Country Status (3)

Country	Link
EP (1)	EP0992964B1 (fr)
AT (1)	ATE313838T1 (fr)
DE (1)	DE59912955D1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2004088610A3 (fr) *	2003-04-01	2004-11-18	Wireless Traffic Technologies	Systeme de regulation de la circulation
DE102005032719A1 (de) *	2005-07-13	2007-01-25	Siemens Ag	Lichtsignalanlage, insbesondere für den Straßenverkehr
DE102007047847A1 (de) *	2007-11-22	2009-06-04	Signalbau Huber Gmbh	Lichtsignalanlage mit Signalgebern und einer Steuereinrichtung zum Steuern von Leuchten in den Signalgebern
WO2009086994A1 (fr) *	2008-01-07	2009-07-16	Siemens Aktiengesellschaft	Module de signalisation de trafic, système de signalisation de trafic et procédé pour faire fonctionner un système de signalisation de trafic
DE102009015120A1 (de)	2009-03-31	2010-10-07	Siemens Aktiengesellschaft	Vorrichtung zur Abgabe von Lichtsignalen und zur Aufnahme von Videobildern im Straßenverkehr
GB2621617A (en) *	2022-08-18	2024-02-21	Srl Traffic Systems Ltd	Improvements in and relating to haul route junctions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4857921A (en) *	1986-05-30	1989-08-15	Flagman, Inc.	Digital traffic control system
ATE104786T1 (de) *	1987-06-26	1994-05-15	Siemens Ag	Datenuebertragungssystem fuer strassenverkehrssignalanlagen.
US4908615A (en) *	1987-06-26	1990-03-13	Texas Instruments Incorporated	Traffic light control system and method
GB2295475A (en) *	1994-11-25	1996-05-29	Barry Soden	Signal control system

1999
- 1999-10-05 DE DE59912955T patent/DE59912955D1/de not_active Expired - Lifetime
- 1999-10-05 AT AT99119128T patent/ATE313838T1/de not_active IP Right Cessation
- 1999-10-05 EP EP99119128A patent/EP0992964B1/fr not_active Expired - Lifetime

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2004088610A3 (fr) *	2003-04-01	2004-11-18	Wireless Traffic Technologies	Systeme de regulation de la circulation
DE102005032719A1 (de) *	2005-07-13	2007-01-25	Siemens Ag	Lichtsignalanlage, insbesondere für den Straßenverkehr
DE102007047847A1 (de) *	2007-11-22	2009-06-04	Signalbau Huber Gmbh	Lichtsignalanlage mit Signalgebern und einer Steuereinrichtung zum Steuern von Leuchten in den Signalgebern
DE102007047847B4 (de) *	2007-11-22	2018-02-22	Swarco Traffic Systems Gmbh	Verkehrssignalanlage mit Signalgebern und einer Steuereinrichtung zum Steuern von Leuchten in den Signalgebern
WO2009086994A1 (fr) *	2008-01-07	2009-07-16	Siemens Aktiengesellschaft	Module de signalisation de trafic, système de signalisation de trafic et procédé pour faire fonctionner un système de signalisation de trafic
DE102009015120A1 (de)	2009-03-31	2010-10-07	Siemens Aktiengesellschaft	Vorrichtung zur Abgabe von Lichtsignalen und zur Aufnahme von Videobildern im Straßenverkehr
DE102009015120B4 (de) *	2009-03-31	2011-06-16	Siemens Aktiengesellschaft	Vorrichtung zur Abgabe von Lichtsignalen und zur Aufnahme von Videobildern im Straßenverkehr
GB2621617A (en) *	2022-08-18	2024-02-21	Srl Traffic Systems Ltd	Improvements in and relating to haul route junctions
GB2621617B (en) *	2022-08-18	2025-04-02	Srl Traffic Systems Ltd	Improvements in and relating to haul route junctions

Also Published As

Publication number	Publication date
DE59912955D1 (de)	2006-01-26
ATE313838T1 (de)	2006-01-15
EP0992964B1 (fr)	2005-12-21
EP0992964A3 (fr)	2000-10-04

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