EP2637908A1 - Method for qualifying a data cable for etcs signalling data - Google Patents

Method for qualifying a data cable for etcs signalling data

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Publication number
EP2637908A1
EP2637908A1 EP11766932.5A EP11766932A EP2637908A1 EP 2637908 A1 EP2637908 A1 EP 2637908A1 EP 11766932 A EP11766932 A EP 11766932A EP 2637908 A1 EP2637908 A1 EP 2637908A1
Authority
EP
European Patent Office
Prior art keywords
data
cable
real
output voltage
etcs
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
Application number
EP11766932.5A
Other languages
German (de)
French (fr)
Other versions
EP2637908B1 (en
Inventor
Rene Baumann
Alfred Lauper
Max Loder
Rolf Schmid
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 Schweiz AG
Original Assignee
Siemens Schweiz AG
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.)
Filing date
Publication date
Application filed by Siemens Schweiz AG filed Critical Siemens Schweiz AG
Priority to EP11766932.5A priority Critical patent/EP2637908B1/en
Publication of EP2637908A1 publication Critical patent/EP2637908A1/en
Application granted granted Critical
Publication of EP2637908B1 publication Critical patent/EP2637908B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal
    • B61L3/02—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
    • B61L3/08—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
    • B61L3/12—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
    • B61L3/121—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves using magnetic induction

Definitions

  • the present invention relates to a train security system and a module for a light signal for
  • Standardization refers to
  • LEU Lineside Electronic Unit
  • ETCS is differentiated in different equipment levels or functional levels - so-called levels.
  • the definition of the level depends on how the track is prepared from ⁇ and in what kind of information transmitted to the train. In principle, the driver's license and the corresponding route information is transmitted to the train and displayed to the locomotive driver in the driver's cab.
  • ETCS / Eurobalise shown in front of a light signal 1.
  • the light signal 1 is equipped with modules 2 for emitting light.
  • the direction of travel of a train 10 is indicated by the reference symbols A, B.
  • waypoints include one each
  • balises 4, 6 in Baiisen development is required to recognize when crossing by means of a fixed identifier in a telegram the direction of travel A, B of the overcoming train 10.
  • the light signal 1 as well as the trans- parent balises 6 receive this information from the LEU 3.
  • an antenna not shown here which is coupled to an ETCS receiving unit also not shown.
  • the received in the ETCS receiving unit telegrams 12 are from
  • Vehicle computer for the train protection as e.g. the
  • the present invention is therefore based on the object, a method for assessing the suitability of laid in the railway area data cables for the transmission of ETCS signaling data between a trackside
  • Control unit and a track-mounted data transmission unit, in particular transparent data beacon or loop cable,
  • the data cable actually located in the railway area at or near the actual place of use connected Beautyse is used to generate from the resulting difference of reference output voltage signal and real output voltage signal with the determination of the real line parameters a measure of the suitability of the real data cable for transmitting ETCS signaling data.
  • the method is also particularly advantageous for real data cables, which are composed of several parts of different data cables together.
  • the measurement of the real output voltage signal can be made very broadband, for example, up to a frequency of 2 MHz.
  • the then determined line parameters can then be evaluated in an expedient development of the invention so that the fulfillment of a predetermined measure for the line parameters falls below an upper limit and / or exceeding a lower limit for the line parameters.
  • the line parameter may be, for example, the line parameter of the frequency-dependent attenuation value of the real data cable, which then exceeds or falls below a predetermined maximum attenuation for the frequency range of interest.
  • the frequencies of the ETCS data signal include a sinusoidal signal with a frequency of 8 to 10 kHz for energy transport, e.g. 8,826 kHz in the UNISIG subset, and for the data transport two continuous frequency modulated signals with binary frequency-shift coding (FSK 2) at frequencies in the range of 200 to 600 kHz, e.g. Unisig Subset 036 frequencies of about 282 and 564 kHz.
  • Output voltage signal are repeatedly executed over a predetermined period of time.
  • the quality of the data transmission for example, by means of a long-term measurement be performed, for example, the
  • the present invention may provide that
  • the data part can be separately analyzed with a corresponding low-pass filter and with a corresponding high-pass or band-pass filter.
  • the present invention results when the determined line parameter of the real data cable for a
  • a measurement with a cable about 1000 meters long can be used to at least predetermine the properties of a correspondingly longer cable of the same type.
  • FIG. 1 shows an example of a train protection situation
  • FIG. 2 shows a basic measurement setup for carrying out the
  • FIG. 3 shows a basic measurement setup for carrying out the
  • the figure 1 has already been explained in the introduction and schematically shows the arrangement of the two signals 1 controlling control unit (LEU) and connected to the control unit (LEU) T rans P arent Schemebaiisen 6, the signal applied to the signal 1 as Radio signal 12 transmitted to the vehicle.
  • LEU controlling control unit
  • P arent Schemebaiisen 6 the signal applied to the signal 1 as Radio signal 12 transmitted to the vehicle.
  • the radio signal 12 also contain information about a braking curve or other relevant to the control of the vehicle 10 data.
  • FIG. 2 shows the basic measuring structure for carrying out the method according to the invention
  • Reference cable RK connected to the LEU control unit.
  • the control unit LEU receives now from a not shown here interlocking a corresponding
  • FIG. 3 shows the basic measurement setup for carrying out the method with regard to the determination of a real falling over the balise 6 according to FIG.
  • Output voltage signal - hereafter referred to as real signal U E s - with connected real data cable AD1, AD2.
  • this real data cable AD1, AD2 is composed of the two sections AD1 and AD2.
  • the diagnostic tool DT (preferably, but not necessarily the same diagnostic tool DT, which has been used to measure the reference signal U RS ) is now the falling over the balise 6 real signal U E s / in response to the previously known and now more via the real data cable AD1, AD2 guided transmission signal drops across the balise 6, measured. Analogous to the reference signal is now also real signal U E s with respect to the voltage and / or
  • Data cable may or may not be qualified as suitable for transmission of ETCS signaling data.
  • the present inventive method thus allows the data cable located in the real environment on their suitability for the transmission of ETCS signaling data check. This process is independent of the behavior of the individual balises, which, even with the same manufacturer, are relatively different according to the series
  • Characteristics may have, because the present method first images the balise with a connected reference cable and then takes the connected to the actually lying in the railway area data cable at or near the real place of use Balise to from the resulting difference of reference signal and real

Abstract

The invention relates to a method for assessing the suitability of data cables laid in the railway sector for transmitting ETCS signalling data between a line-side control unit (LEU) and a data transmission unit that can be mounted on the line side. Said method is intended to enable data cables present in the actual railway environment to be tested and thus contributes to enabling existing cables to be used as often as possible, which would render the comparatively expensive laying of new data cables obsolete. The method used enables the data cables present in the actual environment to be tested for their suitability for transmitting ETCS signalling data. Said method is independent of the behaviour of the individual balises, which even coming from the same manufacturer may have different electrical properties depending on the model series, because the present method first of all replicates the balise with the connected reference cable and subsequently uses the balise connected at or close to the actual site of use to the data cable actually lying in the railway environment in order to generate a measure of the suitability of the actual data cable for transmitting ETCS signalling data from the resulting difference of reference output voltage signal and actual output voltage signal, together with the determination of the actual line parameter. The method is of course especially advantageously suitable for actual data cables that are composed of several parts of different data cables.

Description

Verfahren zur Qualifizierung eines Datenkabels für ETCS- Signalisierungsdaten Method for qualifying a data cable for ETCS signaling data
[ 0001 ] Die vorliegende Erfindung betrifft ein Zug- sicherungssystem und ein Modul für ein Lichtsignal zur  The present invention relates to a train security system and a module for a light signal for
Zugsicherung nach dem Oberbegriff des Patentanspruchs 1 bzw. 8. Train protection according to the preamble of claim 1 or 8.
[ 0002 ] Zielsetzung von ETCS (European Train Control Objective of ETCS (European Train Control
System) ist die Schaffung einer harmonisierten europäischen Zugbeeinflussung. Die Standardisierung bezieht sich im System) is the creation of a harmonized European train control. Standardization refers to
Besonderen auf die Informationsübertragung zwischen Fahrweg und Fahrzeug (Luft-Schnittstellen) und zwischen Stellweg und gleisseitiger Steuereinheit, typischerweise LEU (Lineside Electronic Unit) genannt. Die über die Komponenten des ETCS- Systems zu übertragenden Informationen können meist aus den vorhandenen Sicherungsanlagen gewonnen bzw. erzeugt werden. Particular to the information transfer between the track and the vehicle (air interfaces) and between travel and trackside control unit, typically called LEU (Lineside Electronic Unit). The information to be transmitted via the components of the ETCS system can usually be obtained or generated from the existing security systems.
[ 0003 ] ETCS wird in unterschiedlichen Ausrüstungsstufen bzw. Funktionsstufen - sogenannte Levels - unterschieden. Die Definition des Levels hängt davon ab, wie die Strecke aus¬ gerüstet ist und auf welche Art Informationen auf den Zug übertragen werden. Prinzipiell wird die Fahrerlaubnis und die entsprechende Streckeninformation auf den Zug übertragen und dem Lokomotivführer im Führerstand angezeigt. [0003] ETCS is differentiated in different equipment levels or functional levels - so-called levels. The definition of the level depends on how the track is prepared from ¬ and in what kind of information transmitted to the train. In principle, the driver's license and the corresponding route information is transmitted to the train and displayed to the locomotive driver in the driver's cab.
[ 0004 ] In Figur 1 ist die prinzipielle Anordnung von an Strecken-ipunkten angeordneten Baiisengruppen des System In Figure 1, the basic arrangement of arranged at route points Baiisengruppen the system
ETCS/Eurobalise vor einem Lichtsignal 1 dargestellt. Das Lichtsignal 1 ist mit Modulen 2 zur Aussendung von Licht ausgerüstet. Mit den Bezugszeichen A, B ist die Fahrtrichtung eines Zuges 10 angegeben. Eine Baiisengruppe an den ETCS / Eurobalise shown in front of a light signal 1. The light signal 1 is equipped with modules 2 for emitting light. The direction of travel of a train 10 is indicated by the reference symbols A, B. A Baiisengruppe to the
Streckenpunkten beinhaltet vorliegend jeweils eine In this case, waypoints include one each
Festdatenbalise 4 und eine Transparentdatenbalise 6. Die Festdatenbalisen 4 senden dabei stets gleiche Telegramme aus. Die steuerbaren Transparentbaiisen 6 übertragen ein Fixed data balise 4 and a transparent data balise 6. The fixed data balises 4 always send the same telegrams. The controllable Transparentbaiisen 6 transmit
Datentelegramm 12 eines von der Steuereinheit LEU Data message 12 one of the control unit LEU
entstammenden und über eine sogenannte Schnittstelle C übertragenen Telegramms an das Fahrzeug 10. Die wenigstens paarige Anordnung von Balisen 4, 6 in Baiisengruppen ist erforderlich, um bei Überfahrt mittels einer festen Kennung in einem Telegramm die Fahrtrichtung A, B des überfahrenden Zuges 10 zu erkennen. Das Lichtsignal 1 wie auch die Trans- parentbalisen 6 erhalten diese Informationen von der LEU 3. originating and transmitted via a so-called interface C telegram to the vehicle 10. The at least paired arrangement of balises 4, 6 in Baiisengruppen is required to recognize when crossing by means of a fixed identifier in a telegram the direction of travel A, B of the overcoming train 10. The light signal 1 as well as the trans- parent balises 6 receive this information from the LEU 3.
[0005] Damit eine kontinuierlichere Informationsüber¬ tragung ermöglicht wird, ist das System Euroloop geschaffen worden, damit ein Zug 10 unmittelbar beim Wechsel des Signalbegriffes Halt auf Fahrt beschleunigen kann und nicht bis zum Überfahren der nächsten steuerbaren Transparentbalise 6 warten muss. Dazu kann ein Leckkabel über ein Loop Modem mit der LEU verbunden sein. [0005] For a more continuous information over ¬ transmission is enabled, the system Euroloop has been created to allow a train 10 can accelerate immediately when changing the signal term grip on ride and not have to wait to crossing the next controllable Transparentbalise 6th For this purpose, a leak cable can be connected to the LEU via a loop modem.
[0006] Zu Empfang der Datentelegramme 12 befindet sich auf dem Triebfahrzeug 10 eine hier nicht weiter dargestellte Antenne, die mit einer ebenfalls nicht weiter dargestellten ETCS-Empfangseinheit gekoppelt ist. Die in der ETCS- Empfangseinheit empfangenen Telegramme 12 werden vom To receive the data telegrams 12 is located on the traction unit 10, an antenna not shown here, which is coupled to an ETCS receiving unit also not shown. The received in the ETCS receiving unit telegrams 12 are from
Fahrzeugrechner für die Zugsicherung, wie z.B. die Vehicle computer for the train protection, as e.g. the
Geschwindigkeitsüberwachung etc., ausgewertet. [0007] Die Umrüstung der Strecken von den heutzutage in der Regel nationalen proprietären Zugsicherungssysteme auf ETCS stellt die Bahnunternehmen sowie die Zulieferindustrie vor die Anforderung, diese Umrüstung möglichst kostengünstig und dennoch auf Höhe der geforderten Sicherheitskriterien zu bewerkstelligen. Dabei zeigen die derzeit ausgeführten Speed monitoring etc., evaluated. The conversion of the routes from the nowadays usually national proprietary train protection systems on ETCS provides the railway companies and the supply industry with the requirement to accomplish this conversion as cost-effective as possible and yet at the level of the required safety criteria. The currently running
Projekte von Strecken mit Umrüstung auf ETCS, dass zum Teil grosse Distanzen zwischen der LEU und den Transparentdaten- Baiisen 6 zunehmend gefragt sind. In der UNISIG-Spezifikation für die Datenübertragung nach Schnittstelle C sind die überwindbaren Streckenlängen bis zu 500 Metern spezifiziert. In gängigen Projekten werden aber vermehrt Distanzen bis zu 5000 Metern gewünscht. Häufig sind in der Kabelanlagen der Eisenbahninfrastrukturunternehmungen zahlreiche und  Projects of routes with conversion to ETCS, that sometimes large distances between the LEU and the Transparent Data Baiisen 6 are increasingly in demand. The UNISIG specification for data transmission to interface C specifies the manageable lengths up to 500 meters. In current projects but increasingly distances up to 5000 meters are desired. Frequently in the cable systems of the railway infrastructure enterprises numerous and
qualitativ gute Datenkabel verlegt, welche grundsätzlich in einem jeweils individuell zugeschnittenen Setup für die Übertragung der Signale zwischen der LEU und der Transparentdatenbalise 6 genutzt werden können. laid good quality data cables, which in principle in an individually tailored setup for the Transmission of the signals between the LEU and the Transparentdatenbalise 6 can be used.
[0008] Leider ist die Beurteilung von derartigen Unfortunately, the assessment of such
Datenkabeln auf ihre Eignung für die gemäss UNISIG Data cables for their suitability for UNISIG
spezifizierte Datenübertragung über die Schnittstelle C bis anhin sehr aufwendig und bisher nur für einzelne Kabeltypen in einem vergleichsweise aufwendigen Verfahren im Labor möglich. Dazu werden unter Umständen grossen Kabellängen benötigt, um eine Aussage über die maximal mögliche specified data transmission via the interface C until now very expensive and previously possible only for individual cable types in a relatively complex process in the laboratory. For this purpose, large cable lengths may be needed to provide information about the maximum possible
Einsatzdistanz treffen zu können, wobei nachteiligerweise im Labor die wahren Einsatzbedingungen hinsichtlich sämtlicher EMV-Einwirkungen des Bahnumfeldes gar nicht oder nur sehr unzureichend nachgebildet werden können. Useful distance to meet, which disadvantageously in the laboratory, the true conditions of use with respect to all the EMC effects of the railway environment can not or only very inadequately replicated.
[0009] Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, ein Verfahren zur Beurteilung der Eignung von im Bahnbereich verlegten Datenkabeln zur Übertragung von ETCS- Signalisierungsdaten zwischen einer gleisseitigen The present invention is therefore based on the object, a method for assessing the suitability of laid in the railway area data cables for the transmission of ETCS signaling data between a trackside
Kontrolleinheit (LEU) und einer gleisseitig montierbaren Datenübertragungseinheit anzugeben. Dieses Verfahren soll es erlauben, im realen Bahnumfeld liegende vorhandene Datenkabel zu prüfen und so dazu beitragen, dass möglichst häufig bestehende Kabel genutzt werden können, was das dazu Control unit (LEU) and a trackside mountable data transmission unit. This method should make it possible to check existing data cables lying in the real railway environment and thereby contribute to the fact that existing cables can be used as often as possible, what that means
vergleichsweise kostspielige Verlegen neuer Datenkabel obsolet machen würde. comparatively expensive laying of new data cables would make obsolete.
[0010] Diese Aufgabe wird erfindungsgemäss durch ein This object is achieved by a
Verfahren zur Beurteilung der Eignung von im Bahnbereich verlegten Datenkabeln zur Übertragung von ETCS- Signalisierungsdaten zwischen einer gleisseitigen Method for assessing the suitability of railway cable data cables for transmission of ETCS signaling data between a trackside
Kontrolleinheit (LEU) und einer gleisseitig montierbaren Datenübertragungseinheit, insbesondere Transparentdatenbalise oder Loop-Kabel, Control unit (LEU) and a track-mounted data transmission unit, in particular transparent data beacon or loop cable,
umfassend die folgenden Verfahrensschritte: comprising the following method steps:
a) Aussenden eines vorbekannten ETCS-konformen a) broadcasting a previously known ETCS compliant
Übertragungssignals von der gleisseitigen Kontrolleinheit (LEU) an die Datenübertragungseinheit, wobei die gleisseitige Kontrolleinheit (LEU) und die Datenübertragungseinheit über ein Referenzkabel verbunden sind; Transmission signal from the trackside control unit (LEU) to the data transmission unit, wherein the trackside Control unit (LEU) and the data transmission unit are connected via a reference cable;
b) Messen des über der Datenübertragungseinheit in Antwort auf das vorbekannte Übertragungssignal abfallenden b) measuring the voltage drop across the data transmission unit in response to the previously known transmission signal
Referenzausgangsspannungssignals ;  Reference output voltage signal;
c) optionales Analysieren des Referenzausgangs¬ spannungssignals hinsichtlich des Spannungs- und/oder c) optionally analyzing the reference output voltage signal with respect to voltage and / or voltage
Frequenzverlaufs ; Frequency response;
d) erneutes Aussenden des vorbekannten ETCS-konformen d) resubmit the previously known ETCS-compliant
Übertragungssignals von der gleisseitigen Kontrolleinheit (LEU) an die Datenübertragungseinheit, wobei die gleisseitige Kontrolleinheit (LEU) und die Datenübertragungseinheit nun über das auf dessen Eignung zu überprüfende Datenkabel verbunden sind; Transmission signal from the trackside control unit (LEU) to the data transmission unit, wherein the trackside control unit (LEU) and the data transmission unit are now connected via the to be tested for its suitability data cable;
e) Messen des über der Datenübertragungseinheit in Antwort auf das vorbekannte und nun mehr über das reale Datenkabel geleitete Übertragungssignal abfallenden realen e) measuring the real falling over the data transmission unit in response to the previously known and now more transmitted via the real data cable transmission signal
Ausgangsspannungssignals ; Output voltage signal;
f) optionales Analysieren des realen Ausgangsspannungssignals hinsichtlich des Spannungs- und/oder Frequenzverlaufs; f) optionally analyzing the real output voltage signal with respect to the voltage and / or frequency response;
g) Ermitteln eines Leitungsparameters des realen Datenkabels anhand eines Vergleichs von Referenzausgangsspannungssignals und realen Ausgangsspannungssignals; und g) determining a line parameter of the real data cable based on a comparison of the reference output voltage signal and the real output voltage signal; and
h) Qualifizieren des realen Datenkabels als für die h) qualifying the real data cable as for the
Übertragung von ETCS-Signalisierungsdaten geeignetes Kabel bei Erfüllung eines vorbestimmten Masses für den Transmission of ETCS signaling data suitable cable at a predetermined level for the
Leitungsparameter . Line parameters.
[0011] Auf diese Weise gestattet es das angewendete In this way it allows the applied
Verfahren, die im realen Umfeld befindlichen Datenkabel auf ihre Eignung zur Übertragung von ETCS-Signalisierungsdaten zu prüfen. Dabei ist dieses Verfahren unabhängig von Verhalten der einzelnen Balisen, die selbst bei demselben Hersteller je nach Baureihe relativ unterschiedliche elektrische Procedures to test the data cable in the real environment for its suitability for transmission of ETCS signaling data. This process is independent of the behavior of the individual balises, which, even with the same manufacturer depending on the series relatively different electrical
Eigenschaften haben können, weil das vorliegende Verfahren zunächst die Balise mit angeschlossenem Referenzkabel Properties can have, because the present procedure first the balise with attached reference cable
abbildet und danach die an das tatsächlich im Bahnbereich liegende Datenkabel am oder nahe dem realen Einsatzort angeschlossene Balise herannimmt, um aus dem sich dann ergebenden Unterschied von Referenzausgangsspannungssignal und realen Ausgangsspannungssignal mit der Bestimmung des realen Leitungsparameter ein Mass für die Eignung des realen Datenkabel zur Übertragung von ETCS-Signalisierungsdaten zu generieren. Das Verfahren eignet sich selbstverständlich besonders vorteilhaft auch für reale Datenkabel, die aus mehreren Teilen unterschiedlicher Datenkabel zusammen gesetzt sind. Die Messung des realen Ausgangsspannungssignals kann dabei sehr breitbandig vorgenommen werden, beispielsweise bis zu einer Frequenz von 2 MHz. and then the data cable actually located in the railway area at or near the actual place of use connected Balise is used to generate from the resulting difference of reference output voltage signal and real output voltage signal with the determination of the real line parameters a measure of the suitability of the real data cable for transmitting ETCS signaling data. Of course, the method is also particularly advantageous for real data cables, which are composed of several parts of different data cables together. The measurement of the real output voltage signal can be made very broadband, for example, up to a frequency of 2 MHz.
[0012] Der dann ermittelte Leitungsparameter kann dann in einer zweckmässigen Weiterbildung der Erfindung so bewertet werden, dass das Erfüllen eines vorbestimmten Masses für den Leitungsparameter das Unterschreiten eines oberen Grenzwertes und/oder das Überschreiten eines unteren Grenzwertes für den Leitungsparameter umfasst. Der Leitungsparameter kann dabei zum Beispiel der Leitungsparameter der frequenzabhängige Dämpfungswert des realen Datenkabels sein, der dann für den interessierenden Frequenzbereich eine vorbestimmte maximale Dämpfung über- oder unterschreitet. Die Frequenzen des ETCS- Datensignals umfassen dabei für den Energietransport ein Sinussignal mit einer Frequenz von 8 bis 10 kHz, z.B. 8.826 kHz im UNISIG Subset beschrieben, und für den Datentransport zwei kontinuierlich frequenzmodulierte Signale mit binärer Freqenzverschiebungscodierung (2-FSK continuous frequency modulation) bei Frequenzen im Bereich vom 200 bis 600 kHz, z.B. Unisig Subset 036 Frequenzen von etwa 282 und 564 kHz. The then determined line parameters can then be evaluated in an expedient development of the invention so that the fulfillment of a predetermined measure for the line parameters falls below an upper limit and / or exceeding a lower limit for the line parameters. The line parameter may be, for example, the line parameter of the frequency-dependent attenuation value of the real data cable, which then exceeds or falls below a predetermined maximum attenuation for the frequency range of interest. The frequencies of the ETCS data signal include a sinusoidal signal with a frequency of 8 to 10 kHz for energy transport, e.g. 8,826 kHz in the UNISIG subset, and for the data transport two continuous frequency modulated signals with binary frequency-shift coding (FSK 2) at frequencies in the range of 200 to 600 kHz, e.g. Unisig Subset 036 frequencies of about 282 and 564 kHz.
[0013] In einer weiteren bevorzugten Ausgestaltung der vorliegenden Erfindung kann das Messen und Analysieren des über der Datenübertragungseinheit in Antwort auf das In a further preferred embodiment of the present invention, the measuring and analyzing of the above the data transmission unit in response to the
vorbekannte und nun mehr über das reale Datenkabel geleitete Übertragungssignal abfallenden realen previously known and now more transmitted via the real data cable transmission signal dropping real
Ausgangsspannungssignals über eine vorbestimmte Zeitdauer wiederholt ausgeführt werden. Somit kann die Qualität der Datenübertragung zum Beispiel im Wege einer Langzeitmessung durchgeführt werden, um beispielsweise auch den Output voltage signal are repeatedly executed over a predetermined period of time. Thus, the quality of the data transmission, for example, by means of a long-term measurement be performed, for example, the
Eignungsnachweis des Datenkabels unter Störbeeinflussung durch Schaltvorgänge und Traktionsströme führen zu können. Proof of suitability of the data cable under interference from switching operations and traction currents.
[0014] Eine weitere vorteilhafte Ausgestaltung der [0014] A further advantageous embodiment of
vorliegenden Erfindung kann es vorsehen, das The present invention may provide that
Referenzausgangsspannungssignal und/oder das reale  Reference output voltage signal and / or the real one
Ausgangsspannungssignal zur Analyse in einen Energieteil und einen Datenteil aufzuteilen. Selbst ohne die Anwendung einer FFT oder ähnlicher Frequenzanalyseverfahren kann so mit einem entsprechenden Tiefpassfilter der Energieteil und mit einem entsprechenden Hochpass- oder Bandpassfilter der Datenteil separat analysiert werden. Split output voltage signal for analysis in a power part and a data part. Even without the use of an FFT or similar frequency analysis method, the data part can be separately analyzed with a corresponding low-pass filter and with a corresponding high-pass or band-pass filter.
[0015] Eine weitere vorteilhafte Ausgestaltung der [0015] A further advantageous embodiment of
vorliegenden Erfindung ergibt sich, wenn der ermittelte Leitungsparameter des realen Datenkabels für eine The present invention results when the determined line parameter of the real data cable for a
rechnerische Bestimmung der Eignung eines baugleichen, aber längeren Datenkabels herangezogen wird. So kann mathematical determination of the suitability of a structurally identical, but longer data cable is used. So can
beispielsweise eine Messung mit einem rund 1000 Meter langen Kabel genutzt werden, um die Eigenschaften eines entsprechend längeren Kabel gleicher Bauart zumindest vorzubestimmen . For example, a measurement with a cable about 1000 meters long can be used to at least predetermine the properties of a correspondingly longer cable of the same type.
[0016] Bevorzugte Ausführungsbeispiele der vorliegenden Erfindung werden nachfolgend anhand der Zeichnung Preferred embodiments of the present invention will be described below with reference to the drawing
beispielsweise näher erläutert. Dabei zeigen: for example, explained in more detail. Showing:
Figur 1 ein Beispiel für eine Zugsicherungssituation einer FIG. 1 shows an example of a train protection situation
Weicheneinmündung mit den wesentlichen Komponenten gemäss den Standards von ETCS;  Point junction with the essential components according to the standards of ETCS;
Figur 2 einen prinzipiellen Messaufbau zur Durchführung des FIG. 2 shows a basic measurement setup for carrying out the
Verfahrens hinsichtlich der Ermittlung eines über einer Balise abfallenden  Method of determining a descending over a balise
Referenzausgangsspannungssignals ; und  Reference output voltage signal; and
Figur 3 einen prinzipiellen Messaufbau zur Durchführung des FIG. 3 shows a basic measurement setup for carrying out the
Verfahrens hinsichtlich der Ermittlung eines über der Balise gemäss Figur 1 abfallenden Ausgangsspannungssignals bei angeschlossenem realen Datenkabel . Method with regard to the determination of a falling over the balise according to Figure 1 Output voltage signal with connected real data cable.
[0017] Die Figur 1 wurde in der Beschreibungseinleitung schon erläutert und zeigt schematisch die Anordnung der die beiden Signale 1 steuernder Kontrolleinheit (LEU) sowie die mit der Kontrolleinheit (LEU) verbundenen TransParentdatenbaiisen 6, die den am Signal 1 anliegenden Signalbegriff als Funksignal 12 auf das Fahrzeug übertragen. Neben dem eigentlichen The figure 1 has already been explained in the introduction and schematically shows the arrangement of the two signals 1 controlling control unit (LEU) and connected to the control unit (LEU) T rans P arentdatenbaiisen 6, the signal applied to the signal 1 as Radio signal 12 transmitted to the vehicle. In addition to the actual
Fahrbegriff kann das Funksignal 12 auch Angaben über eine Bremskurve oder sonstige für die Steuerung des Fahrzeugs 10 relevante Daten enthalten. Driving concept, the radio signal 12 also contain information about a braking curve or other relevant to the control of the vehicle 10 data.
[0018] Figur 2 zeigt nun den prinzipiellen Messaufbau zur Durchführung des erfindungsgemässen Verfahrens zur FIG. 2 shows the basic measuring structure for carrying out the method according to the invention
Beurteilung der Eignung von im Bahnbereich verlegten Assessment of the suitability of railway laid railway
Datenkabeln AD1, AD2 (siehe Figur 3) zur Übertragung von ETCS-Signalisierungsdaten zwischen der gleisseitigen Data cables AD1, AD2 (see Figure 3) for transmitting ETCS signaling data between the trackside
Kontrolleinheit (LEU) und der gleisseitig montierten Control Unit (LEU) and the track mounted
Transparentdatenbalise 6 - nachfolgend kurz Balise 6 genannt. Zur Bestimmung eines über der Balise (6) abfallenden Transparent Data Balise 6 - hereafter called Balise 6 for short. To determine a falling over the balise (6)
Referenzausgangsspannungssignals - nachfolgend kurz Reference output voltage signal - briefly below
Referenzsignal URS genannt - wird die Balise 6 über ein Reference signal U RS called - the Balise 6 via a
Referenzkabel RK an die Kontrolleinheit LEU angeschlossen. Die Kontrolleinheit LEU erhält nun aus einem hier nicht weiter dargestellten Stellwerk einen entsprechenden Reference cable RK connected to the LEU control unit. The control unit LEU receives now from a not shown here interlocking a corresponding
Signalbegriff und leitet diesen über das Referenzkabel RK, das labormässig eine Länge von einigen Metern aufweist, an die Balise 6 weiter. Mit einem Diagnosetool DT wird das über der Balise 6 abfallende Referenzsignal URS erfasst. Das erfasste Referenzsignal URS wird im Diagnosetool Signal concept and forwards it to the balise 6 via the reference cable RK, which has a length of a few meters in the laboratory. With a diagnostic tool DT the falling over the balise 6 reference signal U RS is detected. The detected reference signal U RS is in the diagnostic tool
anschliessend hinsichtlich des Spannungs- und/oder subsequently with respect to the voltage and / or
Frequenzverlaufs analysiert. Besonders aussagekräftig sind dabei die Pegel der grundlegenden Frequenzen des Energie- und des Datenteils gemäss Unisig-Spezifikation (ca. 8 kHz, 282 kHz und 562 kHz) . [0019] Figur 3 zeigt nun den prinzipiellen Messaufbau zur Durchführung des Verfahrens hinsichtlich der Ermittlung eines über der Balise 6 gemäss Figur 1 abfallenden realen Frequency response analyzed. Particularly significant are the levels of the fundamental frequencies of the energy and the data part according to Unisig specification (about 8 kHz, 282 kHz and 562 kHz). FIG. 3 shows the basic measurement setup for carrying out the method with regard to the determination of a real falling over the balise 6 according to FIG
Ausgangsspannungssignals - nachfolgend kurz Echtsignal UEs genannt - bei angeschlossenem realen Datenkabel AD1, AD2. Vorliegend ist dieses reale Datenkabel AD1, AD2 aus den zwei Teilstücken AD1 und AD2 zusammengesetzt. Im weiteren Output voltage signal - hereafter referred to as real signal U E s - with connected real data cable AD1, AD2. In the present case, this real data cable AD1, AD2 is composed of the two sections AD1 and AD2. In the further
Verfahren erfolgt nun das erneute Aussenden des vorbekannten ETCS-konformen Übertragungssignals von der gleisseitigen Kontrolleinheit LEU an die Balise 6, wobei die Balise 6 nun auch tatsächlich an ihrem Einsatzort im Gleisbett oder beispielsweise nur wenig benachbart davon neben dem Gleis angeordnet und an das reale Datenkabel AD1, AD2 angeschlossen ist. Das LEU-seitige Ausgangssignal ist dabei bei beiden Messungen identisch, weil die Spezifikation nach UNISIG verlangt, dass sich die Ausgangssignale der LEU auf einem normierten Niveau befinden. Process now takes place the retransmission of the previously known ETCS-compliant transmission signal from the trackside control unit LEU to the balise 6, the Balise 6 now actually placed at their place of use in the track bed or, for example, only slightly adjacent thereto next to the track and to the real data cable AD1 , AD2 is connected. The LEU-side output signal is identical for both measurements because the specification according to UNISIG requires that the output signals of the LEU be at a normalized level.
[0020] Mit dem Diagnosetool DT (vorzugsweise, aber nicht notwendigerweise dasselbe Diagnosetool DT, das zur Messung des Referenzsignals URS eingesetzt worden ist) wird nun das über der Balise 6 abfallende Echtsignal UEs/ das in Antwort auf das vorbekannte und nun mehr über das reale Datenkabel AD1, AD2 geleitete Übertragungssignal über der Balise 6 abfällt, gemessen. Analog zum Referenzsignal wird nun auch Echtsignal UEs hinsichtlich des Spannungs- und/oder With the diagnostic tool DT (preferably, but not necessarily the same diagnostic tool DT, which has been used to measure the reference signal U RS ) is now the falling over the balise 6 real signal U E s / in response to the previously known and now more via the real data cable AD1, AD2 guided transmission signal drops across the balise 6, measured. Analogous to the reference signal is now also real signal U E s with respect to the voltage and / or
Frequenzverlaufs analysiert. Aufgrund dieser Analyse wird anschliessend ein das reale Datenkabel AD1, AD2 Frequency response analyzed. Based on this analysis, a real data cable AD1, AD2
charakterisierender Leitungsparameter, hier der characterizing line parameters, here the
frequenzabhängige Dämpfungswert, bestimmt. Anhand dieses Dämpfungswertes wird dann entschieden, ob das reale frequency-dependent attenuation value, determined. On the basis of this attenuation value, it is then decided whether the real
Datenkabel als für die Übertragung von ETCS- Signalisierungsdaten geeignetes Kabel qualifiziert werden kann oder nicht. Data cable may or may not be qualified as suitable for transmission of ETCS signaling data.
[0021] Das vorliegende erfindungsgemässe Verfahren erlaubt es somit, die im realen Umfeld befindlichen Datenkabel auf ihre Eignung zur Übertragung von ETCS-Signalisierungsdaten zu prüfen. Dabei ist dieses Verfahren unabhängig von Verhalten der einzelnen Balisen, die selbst bei demselben Hersteller j nach Baureihe relativ unterschiedliche elektrische The present inventive method thus allows the data cable located in the real environment on their suitability for the transmission of ETCS signaling data check. This process is independent of the behavior of the individual balises, which, even with the same manufacturer, are relatively different according to the series
Eigenschaften haben können, weil das vorliegende Verfahren zunächst die Balise mit angeschlossenem Referenzkabel abbildet und danach die an das tatsächlich im Bahnbereich liegende Datenkabel am oder nahe dem realen Einsatzort angeschlossene Balise herannimmt, um aus dem sich dann ergebenden Unterschied von Referenzsignal und realem Characteristics may have, because the present method first images the balise with a connected reference cable and then takes the connected to the actually lying in the railway area data cable at or near the real place of use Balise to from the resulting difference of reference signal and real
Echtsignal mit der Bestimmung des realen Leitungsparameters ein Mass für die Eignung des realen Datenkabel zur Real signal with the determination of the real line parameter a measure of the suitability of the real data cable for
Übertragung von ETCS-Signalisierungsdaten zu generieren. Das Verfahren eignet sich selbstverständlich besonders Generate transmission of ETCS signaling data. Of course, the method is particularly suitable
vorteilhaft auch für reale Datenkabel, die - wie vorstehend gezeigt - aus mehreren Teilen unterschiedlicher Datenkabel zusammen gesetzt sind. also advantageous for real data cables, which - as shown above - are composed of several parts of different data cables together.

Claims

Patentansprüche claims
1. Verfahren zur Beurteilung der Eignung von im Bahnbereich verlegten Datenkabeln (AD1, AD2 ) zur Übertragung von ETCS- Signalisierungsdaten zwischen einer gleisseitigen 1. A method for assessing the suitability of railway cable-laid data cables (AD1, AD2) for the transmission of ETCS signaling data between a trackside
Kontrolleinheit (LEU) und einer gleisseitig montierbaren Datenübertragungseinheit (6), insbesondere Control unit (LEU) and a trackside mountable data transmission unit (6), in particular
Transparentdatenbalise oder Loop-Kabel, umfassend die Transparent data balise or loop cable, including the
folgenden Verfahrensschritte: the following process steps:
a) Aussenden eines vorbekannten ETCS-konformen a) broadcasting a previously known ETCS compliant
Übertragungssignals von der gleisseitigen Kontrolleinheit (LEU) an die Datenübertragungseinheit (6), wobei die Transmission signal from the trackside control unit (LEU) to the data transmission unit (6), wherein the
gleisseitige Kontrolleinheit (LEU) und die Trackside Control Unit (LEU) and the
Datenübertragungseinheit (6) über ein Referenzkabel (RK) verbunden sind; Data transmission unit (6) via a reference cable (RK) are connected;
b) Messen des über der Datenübertragungseinheit in Antwort auf das vorbekannte Übertragungssignal abfallenden b) measuring the voltage drop across the data transmission unit in response to the previously known transmission signal
Referenzausgangsspannungssignals (URS) ; Reference output voltage signal (U RS );
c) optionales Analysieren des Referenzausgangs¬ spannungssignals (URS) hinsichtlich des Spannungs- und/oder Frequenzverlaufs; c) optionally analyzing the reference output voltage signal (U RS ) with respect to the voltage and / or frequency characteristic;
d) erneutes Aussenden des vorbekannten ETCS-konformen d) resubmit the previously known ETCS-compliant
Übertragungssignals von der gleisseitigen Kontrolleinheit (LEU) an die Datenübertragungseinheit (6), wobei die Transmission signal from the trackside control unit (LEU) to the data transmission unit (6), wherein the
gleisseitige Kontrolleinheit (LEU) und die Trackside Control Unit (LEU) and the
Datenübertragungseinheit (6) nun über das auf dessen Eignung zu überprüfende reale Datenkabel (AD1, AD2 ) verbunden sind; e) Messen des über der Datenübertragungseinheit (6) in Data transmission unit (6) are now connected via the question of its suitability to real data cable (AD1, AD2); e) measuring the above the data transmission unit (6) in
Antwort auf das vorbekannte und nun mehr über das reale Answer to the known and now more about the real
Datenkabel (AD1, AD2 ) geleitete Übertragungssignal Data cable (AD1, AD2) conducted transmission signal
abfallenden realen Ausgangsspannungssignals (UEs) ; falling real output voltage signal (U E s);
f) optionales Analysieren des realen Ausgangsspannungssignals (UES) hinsichtlich des Spannungs- und/oder Frequenzverlaufs; g) Ermitteln eines Leitungsparameters des realen Datenkabels (AD1, AD2 ) anhand eines Vergleichs von f) optionally analyzing the real output voltage signal (U ES ) with regard to the voltage and / or frequency characteristic; g) determining a line parameter of the real data cable (AD1, AD2) based on a comparison of
Referenzausgangsspannungssignals (URS) und realen Reference output voltage signal (U RS ) and real
Ausgangsspannungssignals (UES) ; und h) Qualifizieren des realen Datenkabels (AD1, AD2 ) als für die Übertragung von ETCS-Signalisierungsdaten geeignetes Kabel bei Erfüllung eines vorbestimmten Masses für den Output voltage signal (U E S); and h) qualifying the real data cable (AD1, AD2) as suitable for the transmission of ETCS signaling data cable upon fulfillment of a predetermined measure for the
Leitungsparameter . Line parameters.
2. Verfahren nach Anspruch 1, 2. The method according to claim 1,
dadurch gekennzeichnet, dass characterized in that
das Erfüllen eines vorbestimmten Masses für den the fulfillment of a predetermined measure for the
Leitungsparameter das Unterschreiten eines oberen Grenzwertes und/oder das Überschreiten eines unteren Grenzwertes für den Leitungsparameter umfasst. Line parameter comprises falling below an upper limit and / or exceeding a lower limit for the line parameter.
3. Verfahren nach Anspruch 1 oder 2, 3. The method according to claim 1 or 2,
dadurch gekennzeichnet, dass characterized in that
der Leitungsparameter der frequenzabhängige Dämpfungswert des realen Datenkabels (AD1, AD2 ) ist. the line parameter is the frequency-dependent attenuation value of the real data cable (AD1, AD2).
4. Verfahren nach einem der vorangehenden Ansprüche, 4. The method according to any one of the preceding claims,
dadurch gekennzeichnet, dass characterized in that
das Messen und Analysieren des über der measuring and analyzing the over the
Datenübertragungseinheit (6) in Antwort auf das vorbekannte und nun mehr über das reale Datenkabel (AD1, AD2 ) geleitete Übertragungssignal abfallenden realen  Data transmission unit (6) in response to the previously known and now more about the real data cable (AD1, AD2) conducted transmission signal dropping real
Ausgangsspannungssignals (UEs) über eine vorbestimmte Output voltage signal (U E s) over a predetermined
Zeitdauer wiederholt ausgeführt wird. Time duration is repeatedly executed.
5. Verfahren nach einem der vorangehenden Ansprüche, 5. The method according to any one of the preceding claims,
dadurch gekennzeichnet, dass characterized in that
das Referenzausgangsspannungssignals (URS) und/oder das reale Ausgangsspannungssignal (UEs) zur Analyse in einen the reference output voltage signal (URS) and / or the real output voltage signal (U E s) for analysis into a
Energieteil und einen Datenteil aufgeteilt werden. Energy part and a data part to be split.
6. Verfahren nach einem der vorangehenden Ansprüche, 6. The method according to any one of the preceding claims,
dadurch gekennzeichnet, dass characterized in that
der ermittelte Leitungsparameter des realen Datenkabels für rechnerische Bestimmung der Eignung eines baugleichen, aber längeren Datenkabels herangezogen wird. the determined line parameter of the real data cable is used for arithmetic determination of the suitability of a structurally identical but longer data cable.
EP11766932.5A 2010-11-08 2011-09-26 Method for qualifying a data cable for etcs signalling data Active EP2637908B1 (en)

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EP10190371A EP2450253A1 (en) 2010-11-08 2010-11-08 Method for qualifying a data cable for ETCS signalling data
EP11766932.5A EP2637908B1 (en) 2010-11-08 2011-09-26 Method for qualifying a data cable for etcs signalling data
PCT/EP2011/066668 WO2012062510A1 (en) 2010-11-08 2011-09-26 Method for qualifying a data cable for etcs signalling data

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CN108132433B (en) * 2017-11-13 2020-02-14 北京全路通信信号研究设计院集团有限公司 LEU monitoring board signal extraction circuit
CN114006632B (en) * 2021-10-29 2023-05-23 北京铁路信号有限公司 Test method and system for LEU (LEU) of ground electronic unit

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US5570010A (en) * 1992-05-20 1996-10-29 The Furukawa Electric Co., Ltd. Method and apparatus for identifying objects using compound signal and a detector employing an electrical static coupling technique
EP1661784A1 (en) * 2004-11-25 2006-05-31 Siemens Schweiz AG Method and system for checking the function of a data transmission unit for controlling a moving object
DE102007006130A1 (en) * 2007-02-02 2008-08-07 Siemens Ag Method, mobile operating device and arrangement for transmitting data to a route element of the track-bound traffic
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ITTO20070616A1 (en) * 2007-08-29 2009-02-28 Rosa Mario La SIMULATION SYSTEM OF TRACK CIRCUITS FOR RAILWAY APPLICATIONS

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