EP3743322A1 - Messanordnung und verfahren zum erkennen eines entgleisens - Google Patents
Messanordnung und verfahren zum erkennen eines entgleisensInfo
- Publication number
- EP3743322A1 EP3743322A1 EP19710302.1A EP19710302A EP3743322A1 EP 3743322 A1 EP3743322 A1 EP 3743322A1 EP 19710302 A EP19710302 A EP 19710302A EP 3743322 A1 EP3743322 A1 EP 3743322A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- measuring
- distance
- vehicle
- measuring arrangement
- cpl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/04—Control, warning or like safety means along the route or between vehicles or trains for monitoring the mechanical state of the route
-
- 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
- B61L15/0081—On-board diagnosis or maintenance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/025—Absolute localisation, e.g. providing geodetic coordinates
Definitions
- the invention is therefore an object of the invention to provide a Messan order that can reliably detect a derailment of a track-bound vehicle.
- the invention provides that the measuring arrangement comprises a distance measuring device which is aligned in at least egg ner predetermined spatial measurement orientation, which is angled to the right or left relative to the longitudinal direction of the vehicle, the respective distance between the Ab standmess worn and - seen in the measurement orientation - be sensitive Objects in the environment measures, and the Messanord tion has an evaluation that compares recorded during a current trip in the spatial measurement orientation distance values with locally corresponding, during one or more previous trips on the same route recorded distance values, hereinafter referred to as reference values, and in If the deviation has a predetermined deviation characteristic, a derailment warning signal is generated.
- a significant advantage of the measuring arrangement according to the invention is the fact that it can detect a derailment of a vehicle in a very simple manner, since only distance values are measured and compared with reference values. A derailment can thus be detected with minimal component complexity and high reliability.
- a laser scanner can be used as a distance measuring device.
- the evaluation device preferably generates a derailment warning signal if the deviation of the measured value profile of the currently measured distance values above the vehicle location from the reference profile of the locally corresponding reference values exceeds a predetermined threshold.
- the evaluation device generates a de-signaling warning signal which indicates a derailment of the vehicle offset parallel to the track if the measured value profile of the currently measured distance values above the vehicle location is offset by a distance difference value compared to the reference curve of the locally corresponding reference values and the distance difference value is one predetermined threshold passes.
- the evaluation device generates a Ent track warning signal indicating a lateral rotation of the vehicle relative to the predetermined lane when the measured value course of the currently measured distance values ge compared to the reference curve is spatially offset and the offset exceeds a predetermined threshold.
- the distance measuring device in at least two predetermined spatial union measuring orientations, one of which by a given nen swivel angle to the right - below called Messaus direction - and the other at the same pivoting angle to the left - hereinafter referred to as left measurement orientation - re is oriented to the longitudinal direction of the vehicle, the each distance between the distance measuring device and - located in the two measurement orientations - located objects in the environment to form a right waveform and a left waveform, and the Ausncein direction during a current ride compares the right and left waveform with corresponding right and left Re ferentwertverêtn and the generation of the dere gungswarnsignals depending on whether any deviations gene between one of the measured value curves and the corre sponding reference curve correlate with deviations between the other measured value profile and its corresponding reference curve.
- the evaluation device generates a derailment warning signal indicating a parallel to the track staggered derailment of the vehicle, if the deviations of the right and lin ken measured value course of the associated right and left reference curve each th a predetermined threshold and th the deviations have different signs aufwei sen.
- the evaluation device generates a derailment warning signal that indicates a lateral rotation of the vehicle relative to the predetermined traffic lane if the measured value profiles over the vehicle location are softening a local offset with respect to the associated reference progressions, which exceeds a predetermined threshold , and the offsets have different offset directions or different signs.
- the one or more measurement orientations or at least one of the measuring orientations are preferably inclined relative to the horizontal ge.
- the distance measuring device comprises a transmitting device which generates at least one measuring beam and continuously or at least in time sections thereof in the predetermined spatial measuring device. emits alignment, and has a receiving device, the object-side reflected or scattered receiving radiation of the measuring beam receives radiation and based on the Empfangsstrah, in particular on the basis of the time delay between the transmission of the radiation and the reception of the received radiation, the ex-generated scores.
- the distance measuring device in particular its transmitting device, emits several measuring beams simultaneously in different spatial measurement orientations.
- the distance measuring device in particular its transmitting device, changes the orientation of the measuring beam (s) over time and emits radiation successively in a plurality of spatial measuring orientations.
- the axis of rotation or the axes of rotation are preferably inclined to the vertical.
- the distance measuring device preferably changes the inclination of the rotation axis (s) while driving.
- the comparison of recorded distance values with the ordered reference values can also be limited to selected objects on the route.
- object recognition and / or object classification first takes place on the basis of the recorded distances, the generation of a derailment warning signal taking place, for example, only when an object has been detected and / or classified, and at the same time the recorded distance values from the deviated from a predetermined level.
- the invention also relates to a method for detecting a lane departure, in particular derailment, in a track-bound vehicle, in particular rail vehicle convincing.
- the respective distance to - located in the measurement orientation - Objek th measured in the environment and Distance values recorded during a current journey in the spatial measurement orientation are compared with locally corresponding distance values taken during one or more previous journeys on the same route, referred to hereinafter as reference values, and in the event that the deviation exhibits a predetermined deviation characteristic, a derailment warning signal is produced.
- Figure 1 shows an embodiment of an inventive
- FIG. 2 shows the measuring arrangement of the rail vehicle according to Fi gur 1 in more detail
- FIG. 3 shows the rail vehicle according to FIG. 1 following a descent in which the rail vehicle is offset parallel to the track;
- FIGS. 4-5 measured value profiles for the one shown in FIG.
- FIG. 6 shows the rail vehicle according to FIG. 1 in the case of a derailment in which the rail vehicle is laterally rotated relative to the predetermined lane
- FIGS. 7-8 measured value profiles for the one shown in FIG.
- Figure 9 shows an embodiment of an inventive
- Figure 10 shows the arrangement of the axis of rotation in the Messan Regulation according to Figure 9 in a view of the Be te.
- FIG. 1 shows a schematic top view of a rail vehicle 10, which moves on a rail system 20 along the direction of travel X.
- the rail vehicle 10 travels through a tunnel 30, whose right-hand tunnel wall in FIG. 1 is designated by the reference numeral 31.
- the left in Figure 1 tunnel wall carries the forcesszei chen 32nd
- the rail vehicle 10 is equipped with a measuring arrangement 40, which - simultaneously or in succession - one NEN measuring beam Ml to the right and a measuring beam M2 emits to the left.
- the right measuring beam M1 is around one
- Swivel angle cpl pivoted with respect to the direction of travel X; the left measuring beam M2 is pivoted to the left by a pivoting angle cp2 relative to the direction of travel X.
- Swivel angle cpl and cp2 are in the embodiment ge according to the figure 1 the same size.
- the Messanord tion 40 While driving through the tunnel 30, the Messanord tion 40 with the two measuring beams Ml and M2 the right tun nelwand 31 and the left tunnel wall 32 scans and determines the distance to the tunnel wall. The distance values are compared to the stored reference values acquired during one or more previous trips, and a derailment alert signal is generated when the deviation between current distance values and the stored reference values exceeds a predetermined threshold.
- FIG. 2 shows an exemplary embodiment of the measuring arrangement 40 according to FIG. 1 in greater detail.
- the measuring arrangement 40 comprises a distance measuring device 41, a locating device 42, a memory 43 and an evaluation device 44.
- the distance measuring device 41 has a transmitting device 41a, which generates and emits the two measuring beams M1 and M2 according to FIG.
- a receiving device 41b of the distance measuring device 41 measures the reflected or scattered radiation which, viewed in the measuring orientation, is reflected back or scattered back to the distance measuring device 41 by objects located in the surroundings. On the basis of the received radiation El and E2, the receiving device 41b generates distance values which are transmitted to the evaluation device 44.
- the distance value generated by the measuring beam M1 is indicated by reference numeral A (cpl) in FIG. 2 and by the reference numeral A (cpl) to that in FIG Measuring beam M2 generated distance value by the reference numeral A (cp2).
- the evaluation device 44 receives from the locating device 42 a location that indicates the respective location X0 of the rail ⁇ vehicle 10 on the rail system 20.
- the evaluation system ⁇ device 44 asks for the respective location X0 from the SpeI cher 43 stored reference values R (X0, cpl) and R (X0, CP2) for the two measurement beams from Ml and M2.
- the rail vehicle 10 In the state shown in FIG. 1, the rail vehicle 10 is in a normal, that is to say non-derailed state, so that the current distance values A (cpl) and A (cp2) with the respective reference values R (X0, cpl) and R (X0, cp2) for the respective location X0 at least substantially coincide men. It applies here:
- the measuring arrangement 40 will not generate a derailment warning signal.
- FIG. 3 shows the rail vehicle 10 on the slide Nenan ⁇ location 20 in a derailment state in which the rails ⁇ vehicle 10 is displaced parallel to the track of the rail system twentieth
- the offset is indicated in FIG. 3 by the reference symbol V.
- FIG. 4 shows the measured value profile MV1 of the distance values A (cp2) which are supplied by the left measuring beam M2. It can be seen that the distance values A (cp2) by the offset derailment by the offset V are greater than the reference values R (X, cp2) stored in the memory 43 and the measured value profile MV1 by the offset V with respect to the reference course RV1 larger distance values is shifted.
- the distance values A (cpl) generated by the right measuring beam Ml will be smaller than the assigned reference values R (X, cp2), so that the right measured value profile MVr, which is generated by the right measuring beam Ml, in relation to the corresponding right reference course RVr is shifted to smaller distance values.
- Figure 6 shows the rail vehicle 10 according to Figures 1 and 3 in the event that there has been a derailment of the rail vehicle 10, in which the rail vehicle 10 has ver laterally ver against the lane of the rail system 20 rotates. Due to the rotation of the rail vehicle 10 and due to the rotation of the measuring arrangement 40, the measuring beams Ml and M2 will scan the respective associated tunnel wall 31 and 32 offset in time and location. For example, in FIG. 6, the left projection of the measuring arrangement 40 is identified by the measuring arrangement 40 earlier in time or at an earlier location than the right projection 34 on the right tunnel wall 31 corresponding to the location Lich. The measured value profiles and the associated reference curves are shown in FIGS. 7 and 8.
- the left measured value curve MV1 is shifted to the left by a local offset -dX compared to the reference curve RV1, since - as explained - due to the lateral rotation of the rail vehicle 10 - compared to the normal orientation of the measuring arrangement 40. on the left comes a ver early object recognition.
- the right measured value profile MVr is offset from the assigned right reference profile RVr by ei nen offset + dX to the right, as shown in Figure 8 represents is because it due to the lateral rotation of the rail vehicle 10 - compared with the normal orientation of the measuring device 40th - on the right to a delayed object identifier comes.
- the evaluation device 44 will close at the occurrence of ent speaking opposing offset of the measured value gradients MV1 and MVr against the associated reference curves RV1 and RVr on a lateral rotation of the rail vehicle 10 and produce a derailment warning EWS indicating a lateral rotation of the rail vehicle 10 relative to the predetermined lane ,
- FIG. 9 shows an exemplary embodiment of a rail vehicle 10 in which the measuring arrangement 40 makes it possible to rotate a measuring beam M in a plane about an axis of rotation 100. There is thus a scan of the tunnel 30 by 360 °.
- FIG. 10 shows the measuring arrangement 40 of the rail vehicle 10 according to FIG. 9 in a view from the side. It can be seen that the axis of rotation 100 is inclined relative to the Vertika len by an inclination angle Q. The inclination of the rotation axis 100 ensures that the measuring beam M also scans the space located in front of the rail vehicle 10 when driving.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Traffic Control Systems (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018204481.3A DE102018204481A1 (de) | 2018-03-23 | 2018-03-23 | Messanordnung und Verfahren zum Erkennen eines Entgleisens |
| PCT/EP2019/054529 WO2019179720A1 (de) | 2018-03-23 | 2019-02-25 | Messanordnung und verfahren zum erkennen eines entgleisens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3743322A1 true EP3743322A1 (de) | 2020-12-02 |
| EP3743322B1 EP3743322B1 (de) | 2023-07-26 |
Family
ID=65729291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19710302.1A Active EP3743322B1 (de) | 2018-03-23 | 2019-02-25 | Messanordnung und verfahren zum erkennen eines entgleisens |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3743322B1 (de) |
| DE (1) | DE102018204481A1 (de) |
| WO (1) | WO2019179720A1 (de) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19908850A1 (de) * | 1999-03-01 | 2000-09-28 | Siemens Ag | Verfahren und Einrichtung zum Überwachen eines Fahrzeugs |
| DE19953677C1 (de) * | 1999-11-09 | 2001-06-21 | Deutsche Bahn Ag | Verfahren und Vorrichtung zur Erkennung einer Entgleisung eines spurgebundenen Fahrzeugs |
| JP2005069700A (ja) * | 2003-08-25 | 2005-03-17 | East Japan Railway Co | 三次元データ取得装置 |
| CN203496924U (zh) * | 2013-08-28 | 2014-03-26 | 中国恩菲工程技术有限公司 | 电机车出轨检测装置和具有它的电机车 |
| SG11201700366UA (en) * | 2014-08-07 | 2017-02-27 | Mitsubishi Electric Corp | Rail position measurement device |
| DE102015119392A1 (de) * | 2015-11-11 | 2017-05-11 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Verfahren und Vorrichtung zur vergleichsgesteuerten Entgleisungserfassung |
| US10399551B2 (en) * | 2016-03-07 | 2019-09-03 | Westinghouse Air Brake Technologies Corporation | System, method, and apparatus for improving safety of ECP-equipped trains with flammable cargo |
| DE102017208760A1 (de) * | 2017-05-23 | 2018-11-29 | Bombardier Transportation Gmbh | Verfahren zur Erkennung einer Entgleisung eines Schienenfahrzeugs |
-
2018
- 2018-03-23 DE DE102018204481.3A patent/DE102018204481A1/de not_active Withdrawn
-
2019
- 2019-02-25 EP EP19710302.1A patent/EP3743322B1/de active Active
- 2019-02-25 WO PCT/EP2019/054529 patent/WO2019179720A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE102018204481A1 (de) | 2019-09-26 |
| WO2019179720A1 (de) | 2019-09-26 |
| EP3743322B1 (de) | 2023-07-26 |
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