EP0963896A2 - Verfahren und Vorrichtung zur Integritätsprüfung eines schienengebundenen Fahrzeugverbands - Google Patents
Verfahren und Vorrichtung zur Integritätsprüfung eines schienengebundenen Fahrzeugverbands Download PDFInfo
- Publication number
- EP0963896A2 EP0963896A2 EP99440121A EP99440121A EP0963896A2 EP 0963896 A2 EP0963896 A2 EP 0963896A2 EP 99440121 A EP99440121 A EP 99440121A EP 99440121 A EP99440121 A EP 99440121A EP 0963896 A2 EP0963896 A2 EP 0963896A2
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- EP
- European Patent Office
- Prior art keywords
- vehicle
- pressure pulse
- dis
- evaluation device
- rail
- 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.)
- Withdrawn
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000001902 propagating effect Effects 0.000 claims abstract 3
- 238000011156 evaluation Methods 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 6
- 230000003137 locomotive effect Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 230000002596 correlated effect Effects 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0054—Train integrity supervision, e.g. end-of-train [EOT] devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/14—Devices for indicating the passing of the end of the vehicle or train
Definitions
- the invention relates to a method for checking the integrity of a vehicle association according to the preamble of claim 1 and a device for Execution of the method according to the preamble of claim 5.
- a typical axle counting device as is known, for example, from an article by K. Mindel with the title " Method for the automatic correction of axle counting errors" , Signal and Draht, 86 (1994), pages 5 to 8, comprises several metering points arranged along the route and an axle counting evaluation device - usually housed in a signal box - which evaluates the counting pulses transmitted by the metering points.
- Each metering point in turn consists of an electronic junction box that is connected to one or two rail contacts. If fewer axles are counted at the end of a route section in a vehicle group than at the beginning of the route section, it can be assumed that the vehicle group has been separated in the area of the route section.
- axle counting devices with their numerous rail contacts and the necessary cabling, however, cause high costs, both during the initial installation and during maintenance and at necessary track work.
- a method according to the invention which solves this problem is the claim 1 to be removed; an inventive device for performing the method is the subject of claim 5.
- first means exert a pressure pulse on a rail.
- Second means arranged on the same vehicle register in the Spreading pressure impulses.
- An evaluation device uses of the pressure pulses registered by the second means, of how many Axes of the vehicle association that exercised by the first means Pressure pulses are reflected. The number of Axes will then be routed, for example, by radio or in the track transmitted to an interlocking.
- the method according to the invention therefore does not require any track-side Facilities.
- the vehicles - preferably the locomotives only a few additional devices required.
- One for control and Evaluation of the first and second means preferably to be used in terms of signal technology secure computer is already available on modern locomotives, so that there are no significant costs. Neither will further, arranged on other vehicles of the vehicle association Devices (radio transmitters etc.) are required.
- the determined number of reflective axes in the vehicle itself further evaluated.
- the evaluation device is checked by the driver or directly by one of the drivers before the start of the journey Central unit (e.g. signal box) fed the target number of axles of the vehicle association. The number of axes determined after the start of the journey deviates from this If the number of axles decreases, the evaluation device initiates an alarm action.
- This alarm action can e.g. B. the output of an acoustic and / or optical signal to the driver or around the Act initiate emergency braking.
- the sending a corresponding alarm message to a control center, e.g. B. a signal box be prompted. This means that this variant does not necessarily require a central office participate to ensure the security of the operation.
- Fig. 1 shows a motor vehicle TFZ, which at one end of a several vehicles existing vehicle association. Whether and in which direction the vehicle group is moving is irrelevant.
- a A pressure pulse generator DIG is attached to the axle of the TFZ motor vehicle.
- DIG is attached to the axle of the TFZ motor vehicle.
- an electro-mechanically operated mallet so close to the axis is appropriate that it strikes against a trigger signal against the axis. Of the structure-borne noise generated by the impact of the flail is transmitted from the Axle over the wheels on the rails.
- Such a pressure pulse generator can also directly above the surface of a or both rails can be arranged.
- the mallet strikes immediately onto the rail surface and thus produces a much stronger one Pressure impulse as if the vehicle axis was struck.
- the pressure pulse generated by the pressure pulse generator spreads as structure-borne noise in the longitudinal direction of the rails. Attenuation of structure-borne noise in steel rails is known to be very weak, so that the pressure pulse too can still be registered a few hundred meters away from the pressure pulse generator is. At the points where vehicle wheels rest on the rail there is a disruption due to the very high contact force acting there the pressure pulse propagation. This disturbance causes partial reflection of the pressure pulse.
- a Pressure pulse sensor DIS attached to the vehicle.
- the embodiment is the pressure pulse sensor DIS on one of the Axles of the TFZ locomotive.
- An arrangement is also possible, for example, where the pressure pulse sensor DIS like a sliding contact directly on the Rail rests.
- Pressure pulse sensors designed as structure-borne sound microphones are familiar to the person skilled in the art, without this being of any particular significance Evidence is required.
- the sensor signals generated by the pressure pulse sensor DIS are an evaluation device AUSW fed. Based on the sensor signals, this determines How many axes of the vehicle group that of the pressure pulse generator applied pressure pulse is reflected.
- a central processing unit CPU transmits a pressure pulse control unit DIGSE a command to exert a pressure pulse cause.
- a pressure pulse control unit DIGSE a command to exert a pressure pulse cause.
- the pressure pulse control unit DIGSE controls the pressure pulse generator so that at a precisely defined time, e.g. B. exactly 500 ms after receipt of the command, on the axis or immediately on the Rail a pressure pulse is triggered.
- the DIS pressure pulse sensor registers all those spreading in the rail Structure-borne sound waves and feeds the measurement signals to a sensor control unit SSE.
- the background noise which especially during the movement of the vehicle can be significant, the unreflected Pressure pulse and those reflected by the axes of the vehicle association Pressure pulses superimposed. Part of the background noise is initially removed from the measurement signal by suitable filters in the sensor control unit. The remaining signal protrudes from the unreflected pressure pulse originating signal portion clearly out. If, as shown in Fig. 1, Pressure pulse generator DIG and pressure pulse sensor directly adjacent this signal component can be recognized in addition to its size also by that after exerting the pressure pulse first, d. H. before arrival of the reflected pressure pulses, is registered by the pressure pulse sensor DIS.
- This unreflected signal component is fed to a pulse shape memory PFS and saved there. Henceforth it serves as a reference signal, which in one Cross-correlator KK is cross-correlated with the rest of the signal curve. On in this way, the relatively weak reflected pressure pulses can be filter out of background noise with sufficient reliability.
- the cross-correlator KK delivers a sequence of times at its output, for which the pressure pulse sensor DIS has registered a pressure pulse.
- Each pressure pulse corresponds to an axis of the vehicle association and is therefore counted by the central processing unit CPU. Axes from further removed vehicle groups are due to the too low signal / noise ratio no longer registered. The same applies to multiply reflected Pressure pulses.
- the evaluation device AUSW preferably has a memory SP, before the determination of the actual number of axles just described Target number of axles of the vehicle association has been supplied.
- the central processing unit The CPU then compares this number of target axes with the actual one Number of axes and performs an alarm action in the event of a deviation.
- a such an alarm action can, as already mentioned above, in an acoustic There is a warning to the driver.
- the alarm action is shown in Fig. 2 identified by the reference symbol AL.
- pressure pulse sensor DIS another pressure pulse sensor is provided.
- One of the measurement signals originating from these two pressure pulse sensors is delayed in a delay element and with the undelayed Measuring signal correlated. In this way you can register the weak further improve reflected pressure pulses.
- the pressure pulse generator DIG is not only one, but several pressure pulses in close succession or in a characteristic temporal pattern on the rail. Also the reflected pressure pulses then hit in this sequence or in this temporal Pattern on the pressure pulse sensor. In this way, reliability can be the axle count further increased.
- the last received reflected pressure pulse comes from a vehicle at the end of the vehicle association.
- the timespan between the application of the pressure pulse generated by the pressure pulse generator DIG and the arrival of the last arriving pressure pulse results in Multiplication by the speed of sound in the rail twice the length of the vehicle association. It is assumed that the in the previous Sections described devices themselves in a vehicle at one end of the vehicle association, e.g. B. the TFZ locomotive.
- the length of the vehicle association is used in many modern signal systems is needed and is particularly important for freight trains with their many individual ones Vehicles of different lengths cannot be easily determined in another way.
- the invention is not based on the use of only one rail is limited. Not least for reasons of availability, it will be preferable be a separate pressure pulse sensor for each rail and possibly also one to provide your own pressure pulse generator. Then two sensor signals are available Available that can be correlated with each other if necessary.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
- Fig. 1:
- Skizze zur Erläuterung eines Ausführungsbeispiels des erfindungsgemäßen Verfahrens und einer erfindungsgemäßen Vorrichtung;
- Fig. 2:
- Prinzipskizze zur Erläuterung eines Ausführungsbeispiels für eine erfindungsgemäße Auswerteeinrichtung AUSW.
Claims (8)
- Verfahren zur Integritätsprüfung eines Fahrzeugverbands, der für das Fahren auf Schienen vorgesehen ist und mehrere Fahrzeuge umfaßt, charakterisiert durch folgende Schritte:a) auf einem Fahrzeug (TFZ) des Fahrzeugverbands angeordnete erste Mittel (DIG) üben einen Druckimpuls auf eine Schiene (S) aus,b) auf demselben Fahrzeug (TFZ) angeordnete zweite Mittel (DIS) registrieren in der Schiene sich ausbreitende Druckimpulse,c) eine Auswerteeinrichtung (AUSW) stellt anhand der von den zweiten Mitteln (DIS) registrierten Druckimpulse fest, von wievielen Achsen des Fahrzeugverbandes der von den ersten Mitteln ausgeübte Druckimpuls reflektiert wird.
- Verfahren nach Anspruch 1, bei dema) die Auswerteeinrichtung die ermittelte Anzahl von Achsen mit einer vorher der Auswerteeinrichtung zugeführten Sollachsanzahl des Fahrzeugverbands vergleicht undb) eine Alarmhandlung veranlaßt, falls die ermittelte Anzahl von Achsen nicht mit der Sollachsanzahl übereinstimmt.
- Verfahren nach einem der vorhergehenden Ansprüche, bei dem die zweiten Mittel (DIS) Meßsignale erzeugen, deren Auswertung in der Auswerteeinrichtung (AUSW) folgende Schritte umfaßt:a) Isolieren und Abspeichern eines einem unreflektierten Druckimpuls entsprechenden Teils des Meßsignals,b) Kreuzkorrelieren des abgespeicherten Teils des Meßsignals mit dem übrigen Meßsignal.
- Verfahren nach einem der vorhergehenden Ansprüche, bei dem unter Berücksichtigung der Schallgeschwindigkeit in der Schiene die Länge des Fahrzeugverbandes ermittelt wird.
- Vorrichtung zur Integritätsprüfung eines Fahrzeugverbands, der für das Fahren auf Schienen vorgesehen ist und mehrere Fahrzeuge umfaßt, mit:a) auf einem Fahrzeug (TFZ) des Fahrzeugverbands angeordneten ersten Mitteln (DIG) zum Ausüben eines Druckimpulses auf eine Schiene (S),b) auf demselben Fahrzeug (TFZ) angeordneten zweiten Mitteln (DIS) zum Registrieren von in der Schiene sich ausbreitenden Druckimpulsen,c) eine Auswerteeinrichtung (AUSW), die anhand der von den zweiten Mitteln (DIS) registrierten Druckimpulsen feststellt, von wievielen Achsen des Fahrzeugverbandes der von den ersten Mitteln ausgeübte Druckimpuls reflektiert wird.
- Vorrichtung nach Anspruch 5, bei der die Auswerteeinrichtunga) die ermittelte Anzahl von Achsen mit einer vorher der Auswerteeinrichtung zugeführten und in einem Speicher (SP) gespeicherten Sollachsanzahl des Fahrzeugverbands vergleicht undb) eine Alarmhandlung (AL) veranlaßt, falls die ermittelte Anzahl von Achsen nicht mit der Sollachsanzahl übereinstimmt.
- Vorrichtung nach einem der Ansprüche 5 oder 6, bei der die zweiten Mittel (DIS) Meßsignale erzeugen und bei der die Auswerteeinrichtung (AUSW) umfaßt:a) einen Pulsformspeicher (PFS) zum Speichern eines einem unreflektierten Druckimpuls entsprechenden Teils des Meßsignal undb) einem Kreuzkorrelator (AK) zum Kreuzkorrelieren des abgespeicherten Teils des Meßsignals mit dem übrigen Meßsignal.
- Vorrichtung nach einem der Ansprüche 5 bis 8, bei der die zweiten Mittel zwei Druckimpulssensoren (DIS) umfassen.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19826090 | 1998-06-12 | ||
DE1998126090 DE19826090A1 (de) | 1998-06-12 | 1998-06-12 | Verfahren und Vorrichtung zur Integritätsprüfung eines schienengebundenen Fahrzeugverbands |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0963896A2 true EP0963896A2 (de) | 1999-12-15 |
EP0963896A3 EP0963896A3 (de) | 2000-08-30 |
Family
ID=7870621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99440121A Withdrawn EP0963896A3 (de) | 1998-06-12 | 1999-05-28 | Verfahren und Vorrichtung zur Integritätsprüfung eines schienengebundenen Fahrzeugverbands |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0963896A3 (de) |
DE (1) | DE19826090A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT413973B (de) * | 2003-01-14 | 2006-07-15 | Joanneum Res Forschungsgesells | Verfahren und einrichtung zur überwachung der zugvollständigkeit |
DE102007019137A1 (de) * | 2007-04-20 | 2008-10-30 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Einrichtung und Verfahren zur Überwachung eines schienengebundenen Fahrzeugverbandes |
WO2018015127A1 (de) * | 2016-07-20 | 2018-01-25 | Thales Austria Gmbh | Anlage und verfahren zum feststellen wenigstens eines zustands eines zuges |
WO2021259575A1 (de) * | 2020-06-24 | 2021-12-30 | Siemens Mobility GmbH | Verfahren zur ermittlung eines längenabhängigen parameters eines schienengebundenen verbandes von fahrzeugen und fahrzeug |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0814008A1 (de) * | 1996-01-09 | 1997-12-29 | The Nippon Signal Co. Ltd. | Steuervorrichtung für einen beweglichen körper |
DE19711772C1 (de) * | 1997-03-21 | 1998-08-06 | Daimler Benz Ag | Prüfvorrichtung und Verfahren zum Betreiben der Prüfvorrichtung |
DE19832603A1 (de) * | 1998-07-09 | 2000-01-13 | Siemens Ag | Einrichtung zur Zugintegritätskontrolle und/oder Zuglängenmessung |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2240240C2 (de) * | 1972-08-16 | 1983-01-20 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Einrichtung zur Gleisüberwachung mittels Achszählanlagen |
CH679847A5 (de) * | 1990-01-12 | 1992-04-30 | Bruno Mueller | |
NL9201667A (nl) * | 1992-09-25 | 1994-04-18 | Nl Spoorwegen Nv | Stelsel voor het detecteren van treinen. |
DE19522265C1 (de) * | 1995-06-20 | 1996-08-14 | Abb Research Ltd | Verfahren zur Bestimmung der Geschwindigkeit eines Fahrzeuges |
-
1998
- 1998-06-12 DE DE1998126090 patent/DE19826090A1/de not_active Withdrawn
-
1999
- 1999-05-28 EP EP99440121A patent/EP0963896A3/de not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0814008A1 (de) * | 1996-01-09 | 1997-12-29 | The Nippon Signal Co. Ltd. | Steuervorrichtung für einen beweglichen körper |
DE19711772C1 (de) * | 1997-03-21 | 1998-08-06 | Daimler Benz Ag | Prüfvorrichtung und Verfahren zum Betreiben der Prüfvorrichtung |
DE19832603A1 (de) * | 1998-07-09 | 2000-01-13 | Siemens Ag | Einrichtung zur Zugintegritätskontrolle und/oder Zuglängenmessung |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT413973B (de) * | 2003-01-14 | 2006-07-15 | Joanneum Res Forschungsgesells | Verfahren und einrichtung zur überwachung der zugvollständigkeit |
DE102007019137A1 (de) * | 2007-04-20 | 2008-10-30 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Einrichtung und Verfahren zur Überwachung eines schienengebundenen Fahrzeugverbandes |
DE102007019137B4 (de) * | 2007-04-20 | 2009-11-12 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Einrichtung und Verfahren zur Überwachung eines schienengebundenen Fahrzeugverbandes |
WO2018015127A1 (de) * | 2016-07-20 | 2018-01-25 | Thales Austria Gmbh | Anlage und verfahren zum feststellen wenigstens eines zustands eines zuges |
WO2021259575A1 (de) * | 2020-06-24 | 2021-12-30 | Siemens Mobility GmbH | Verfahren zur ermittlung eines längenabhängigen parameters eines schienengebundenen verbandes von fahrzeugen und fahrzeug |
Also Published As
Publication number | Publication date |
---|---|
EP0963896A3 (de) | 2000-08-30 |
DE19826090A1 (de) | 1999-12-16 |
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