EP0466694B1 - Verfahren zur signalsicherung in dezentralisierten lichtsignalanlagen für den strassenverkehr - Google Patents

Verfahren zur signalsicherung in dezentralisierten lichtsignalanlagen für den strassenverkehr Download PDF

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Publication number
EP0466694B1
EP0466694B1 EP90901743A EP90901743A EP0466694B1 EP 0466694 B1 EP0466694 B1 EP 0466694B1 EP 90901743 A EP90901743 A EP 90901743A EP 90901743 A EP90901743 A EP 90901743A EP 0466694 B1 EP0466694 B1 EP 0466694B1
Authority
EP
European Patent Office
Prior art keywords
cycle
signalling
lmp
pls
assembly
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.)
Expired - Lifetime
Application number
EP90901743A
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German (de)
English (en)
French (fr)
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EP0466694A1 (de
Inventor
Werner Sauer
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
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Siemens AG
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Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0466694A1 publication Critical patent/EP0466694A1/de
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Publication of EP0466694B1 publication Critical patent/EP0466694B1/de
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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/097—Supervising of traffic control systems, e.g. by giving an alarm if two crossing streets have green light simultaneously

Definitions

  • the method according to the invention relates to signal protection according to the preamble of claim 1.
  • Decentralized light signal systems have peripheral lamp switches and sensors, which are decentralized from the actual node control unit for the respective signal groups on the signal mast.
  • the components required for this consisting of a transformer and rectifier as well as an LMP module for data transmitters and receivers and lamp switches with signal protection sensors, so-called signaling elements or sensors, together form a PLS unit, also known as a PLS module.
  • the associated signal groups are controlled via connecting lines and the PLS modules or LMP modules.
  • the connection from the control unit to the individual modules can be formed by a specially manufactured cable (consisting of phase, zero protective conductor and a coaxial line), the control of the individual signal lamps and the feedback taking place via the coaxial cable.
  • a decentralized traffic signal system is described for example in DE-A 32 30 761.
  • the evaluation of the data i.e. The signal protection state of the signal lamps generally takes place in a signal protection microprocessor assembly in the control unit.
  • a signal protection microprocessor assembly in the control unit.
  • Such a monitoring device for traffic signal systems with microprocessor assemblies is described in DE-A 3 428 444.
  • system tests are used to ensure, for example, that the entire system is fully functional. For example, every 300 milliseconds a real hostility can be generated on the signal generator for a short time, for example 2 ms, although this conflict is not visible.
  • the signal protection microprocessor recognizes this and emits a corresponding signal. However, if it is not recognized, the system switches off (EP-A 1 - 0 251 097).
  • DE-C 30 35 515 describes a circuit arrangement for operating signal transmitters of a road traffic signal system.
  • all signal lamps are supplied via a single power line, each signal transmitter or each signal transmitter group having peripheral lamp switches and sensors as well as associated data transmitters and receivers, which are connected to the control unit via a common data line.
  • the object is achieved in that, in addition to the usual signal protection, the individual PLS modules are cyclically tested for their functionality, regardless of the current signaling state, with an LMP module of a PLS module with a separate test telegram with each complete telegram cycle is checked.
  • the signal lamps of the relevant LMP module are switched dark for a very short period of time with the first cycle, red with the second cycle, yellow with the third cycle and green with the fourth cycle, whereby the correct feedback is monitored in the signal protection and evaluation module and at If an error occurs, the traffic light system is at least partially switched off or switched to flashing yellow.
  • each one PLS module tested e.g. has a time of 10 ms. Regardless of the current signal lamp status of the PLS module, the signal lamps are switched dark in the first pass, red in the second pass, and so on. A complete run can take 150 ms. The test information remains for approx. 3 ms and is then withdrawn.
  • the test telegram advantageously has an identifier and test information, as a result of which the LMP module in question outputs the normal information in a buffer and the test information to the associated signal lamps.
  • the normal information with the test identifier i.e. a reset telegram for the relevant LMP module is sent to reset the signal lamps. If there is no error in this test, everything is fine. However, if an error occurs when testing the LMP module, e.g. if all lamps are dark, a corresponding current sensor reports current, so that the system is at least partially switched off.
  • a node control unit KS is connected to the individual PLS modules M1 to Mi via an energy and data line EDL.
  • the signal transmitters SG with their signal lamps SL of a signal transmitter mast SGM1 are assigned to a respective PLS module (Mn).
  • the node control unit KS has a signal protection (SSP) and evaluation (AWP) module SAB, which carries out the module test in addition to the usual signal protection.
  • SSP signal protection
  • ADP evaluation
  • FIGS. 2a to 2e the pulse telegrams for the processing of the data traffic are shown in FIGS. 2a to 2e.
  • FIG. 2a shows the network oscillation (N), in which a complete telegram cycle TZ1 to TZi is transmitted within each half-wave, as is shown under the network oscillation in FIG. 2b for all data traffic.
  • N network oscillation
  • TZn the network oscillation of the PLS modules (eg M1 to Mi) are addressed, but only a single module is tested.
  • a complete test run can be 150 ms.
  • FIG. 2c shows a first telegram cycle TZ1, in which a test command telegram TB with associated feedback RM for the LMP modules of the PLS module M7 is additionally transmitted.
  • a second telegram cycle TZ2 is shown in FIG. 2D, with which the LMP module of the PLS module M8 is tested.
  • a third telegram cycle as shown in Fig. 2e, the LMP module of the PLS module M6 is tested.
  • a complete test run takes 150 ms in this example.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Road Signs Or Road Markings (AREA)
EP90901743A 1989-04-04 1990-01-25 Verfahren zur signalsicherung in dezentralisierten lichtsignalanlagen für den strassenverkehr Expired - Lifetime EP0466694B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3910864 1989-04-04
DE3910864A DE3910864C1 (enrdf_load_stackoverflow) 1989-04-04 1989-04-04

Publications (2)

Publication Number Publication Date
EP0466694A1 EP0466694A1 (de) 1992-01-22
EP0466694B1 true EP0466694B1 (de) 1992-11-25

Family

ID=6377822

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90901743A Expired - Lifetime EP0466694B1 (de) 1989-04-04 1990-01-25 Verfahren zur signalsicherung in dezentralisierten lichtsignalanlagen für den strassenverkehr

Country Status (8)

Country Link
US (1) US5220321A (enrdf_load_stackoverflow)
EP (1) EP0466694B1 (enrdf_load_stackoverflow)
AT (1) ATE82815T1 (enrdf_load_stackoverflow)
AU (1) AU636326B2 (enrdf_load_stackoverflow)
DE (2) DE3910864C1 (enrdf_load_stackoverflow)
DK (1) DK0466694T3 (enrdf_load_stackoverflow)
ES (1) ES2037554T3 (enrdf_load_stackoverflow)
WO (1) WO1990012381A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102426791A (zh) * 2011-09-13 2012-04-25 华南理工大学 一种交通信号协调配时方案的n周期加权调节过渡方法

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4012912A1 (de) * 1990-04-23 1991-10-24 Siemens Ag Diagnoseverfahren fuer dezentralisierte lichtsignalanlagen
US5485151A (en) * 1993-05-06 1996-01-16 Adb-Alnaco, Inc. Airfield lighting system
US5648723A (en) * 1994-05-09 1997-07-15 Adb-Alnaco, Inc. Method and apparatus for separating and analyzing composite AC/DC waveforms
US5638057A (en) * 1994-05-09 1997-06-10 Adb-Alnaco, Inc. Ground fault detection and measurement system for airfield lighting system
EP0768810A1 (en) 1995-10-09 1997-04-16 Adb-Alnaco, Inc. Ground fault detection and measurement system for airfield lighting system
US5926115A (en) * 1996-06-21 1999-07-20 Adb Alnaco, Inc. Airfield series circuit communications lighting system and method
US5734116A (en) * 1996-07-29 1998-03-31 General Traffic Controls Nema cabinet monitor tester
WO2001095646A1 (en) * 2000-06-07 2001-12-13 Telemics, Inc. Method and system for monitoring and controlling working components
US6717660B1 (en) * 2000-08-01 2004-04-06 Safe Passage Systems Corporation System for monitoring and testing of light sources
US9008992B2 (en) 2011-03-25 2015-04-14 Thomas & Betts International, Inc. Testing and monitoring an electrical system
US9978270B2 (en) 2014-07-28 2018-05-22 Econolite Group, Inc. Self-configuring traffic signal controller

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3035515A1 (de) * 1980-09-19 1982-05-06 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum betreiben von signalgebern einer verkehrssignalanlage, insbesondere strassenverkehrssignalanlage
DE3230761A1 (de) * 1982-08-18 1984-02-23 Siemens Ag Verkehrssignalanlage
DE3428444A1 (de) * 1984-08-01 1986-02-06 Siemens AG, 1000 Berlin und 8000 München Ueberwachungseinrichtung fuer verkehrssignalanlagen
EP0251097B1 (de) * 1986-06-25 1991-08-07 Siemens Aktiengesellschaft Überwachungseinrichtung für Signallampen einer Strassenverkehrssignalanlage
DE3774839D1 (de) * 1986-10-10 1992-01-09 Siemens Ag Verkehrssignalanlage.
US5073866A (en) * 1989-09-20 1991-12-17 Daeges Michael J Traffic signal control system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102426791A (zh) * 2011-09-13 2012-04-25 华南理工大学 一种交通信号协调配时方案的n周期加权调节过渡方法
CN102426791B (zh) * 2011-09-13 2013-08-07 华南理工大学 一种交通信号协调配时方案的n周期加权调节过渡方法

Also Published As

Publication number Publication date
ATE82815T1 (de) 1992-12-15
DK0466694T3 (da) 1993-01-04
AU636326B2 (en) 1993-04-29
DE59000508D1 (de) 1993-01-07
US5220321A (en) 1993-06-15
EP0466694A1 (de) 1992-01-22
DE3910864C1 (enrdf_load_stackoverflow) 1990-05-23
AU4841690A (en) 1990-11-05
ES2037554T3 (es) 1993-06-16
WO1990012381A1 (de) 1990-10-18

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