EP4519144A1 - Eisenbahnkomponente und verfahren zum ermitteln einer ein schienenfahrzeug betreffenden, ortsbezogenen information - Google Patents
Eisenbahnkomponente und verfahren zum ermitteln einer ein schienenfahrzeug betreffenden, ortsbezogenen informationInfo
- Publication number
- EP4519144A1 EP4519144A1 EP23734144.1A EP23734144A EP4519144A1 EP 4519144 A1 EP4519144 A1 EP 4519144A1 EP 23734144 A EP23734144 A EP 23734144A EP 4519144 A1 EP4519144 A1 EP 4519144A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- railway component
- railway
- location
- related information
- rail vehicle
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
- B61L25/026—Relative localisation, e.g. using odometer
-
- 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 train, e.g. to release brake or to operate a warning signal
- B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
- B61L3/06—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling by electromagnetic or particle radiation, e.g. by light beam
Definitions
- the invention relates to railway components for determining location-related information, methods for determining location-related information, rail vehicles and track facilities with such railway components, and a corresponding railway system.
- railway components are known in the form of locating devices on the rail vehicle, which have a radio device for sending a transmission signal to a trackside balise and for receiving a transmission signal from the balise to form a reception signal.
- a computing device of the locating device evaluates the received signal and generates location-related information relating to the rail vehicle.
- the invention is based on the object of specifying a railway component for obtaining location-related information relating to a rail vehicle, which can generate particularly precise location information with little hardware effort.
- a railway component is provided with a radio device for sending at least one transmission signal to another railway component and for receiving a transmission signal from the other railway component to form a reception signal.
- a computing device is designed to evaluate the received signal to obtain location-related information relating to a rail vehicle.
- the computing device is designed to control said one radio device for carrying out at least two measuring methods that differ from one another and to determine a first intermediate piece of information with a first of the at least two measuring methods and a second intermediate piece of information with a second of the at least two measuring methods, and the to form location-related information using the first and second intermediate information.
- An advantage of the railway component according to the invention is the dual use of one and the same radio device for carrying out at least two different measuring methods, whereby at least two location-related intermediate pieces of information can be obtained. With the at least two intermediate pieces of information, the desired final or determine final location-related information more precisely than would be possible with just a single measurement method. This added value can be achieved in an advantageous manner without additional radio hardware effort because both measuring methods are carried out with the same radio device.
- the location-related intermediate information can be absolute location information in the form of coordinates or the like; alternatively, the location-related intermediate information can be relative location information such as distance values that indicate the distance between the two railway components.
- the (final) location-related information which can be an absolute location information or a relative location information.
- the computing device has at least a first software program which, when executed by the computing device, carries out the first of the at least two measuring methods by determining the first intermediate information, and a second software program which when carried out by the computing device, the implementation of the second of the at least two measuring methods and The determination of the second intermediate information includes.
- the computing device preferably executes the first and second software programs using one and the same processor.
- two or more measuring methods can be carried out with the same amount of hardware as for carrying out just a single measuring method.
- the computing device preferably comprises at least a third software program which determines the location-related information taking into account the intermediate information.
- the computing device also executes the third software program, preferably with the named processor.
- the processor preferably executes the first and second software programs one after the other or in a time-interleaved manner.
- the first software program is preferably designed to use the radio device as the first measurement method to carry out a two-way positioning method, preferably based on a frequency spreading method.
- a transmission signal is preferably transmitted by the radio device and the time period is preferably recorded until - in response to the transmitted transmission signal - a response signal is received from the other railway component;
- the time period is a measure of the distance between the two railway components and thus enables the calculation of a distance information in a simple manner, which indicates the distance between the two cooperating railway components as relative location-related information.
- the first software program is designed to carry out the two-way positioning method on the basis of a first set of parameters
- the second software program is designed to use the radio device as the second measurement method to carry out a two-way positioning method based on a second set of parameters that differs from the first set of parameters.
- the two sets of parameters preferably define two different frequency spreads, whereby the transmission and response signals can be distinguished from one another particularly easily.
- the second software program can be designed to carry out a frequency-modulated continuous wave operating method with the radio device as the second measuring method and to determine the second intermediate information based on the frequency offset between its own transmit signal and the received signal.
- a transmission signal with linear frequency ramps is preferably sent out by the radio device;
- the other railway component sends back a signal with the same frequency curve as the received signal as a response signal, preferably in synchronized form.
- the computing device determines the frequency difference between its own transmission signal and the response signal received from the other railway component, i.e. the frequency offset between the frequency ramps;
- the frequency difference is proportional to the distance between the two railway components and thus enables a simple calculation of a distance information which indicates the distance between the two cooperating railway components as relative location-related information.
- an embodiment variant is considered advantageous in which the first software program is designed to carry out a frequency-modulated continuous wave operating method as the first measurement method on the basis of a first parameter set, and the second software program is designed to do so is designed to use the radio device as the second measurement method to carry out a frequency-modulated continuous wave operating method based on a second parameter set that differs from the first parameter set.
- the two sets of parameters differ preferably in the frequency bands in which the measurement methods are carried out.
- one of the measurement methods can be carried out in the 2.4 GHz band and the other measurement method in the 5.8 GHz band.
- the computing device preferably executes the first and second software program repeatedly regularly or irregularly and determines at least one distance information as location-related information, which indicates the distance to the other railway component.
- the invention also relates to a rail vehicle.
- the rail vehicle comprises at least one railway component as described above and this rail vehicle's own railway component forms location-related information relating to its own rail vehicle.
- the invention also relates to a route device.
- the route facility comprises at least one railway component as described above and this railway component belonging to the route facility forms location-related information which relates to a rail vehicle passing the railway component belonging to the route facility.
- the invention also relates to a railway system.
- the railway system includes at least one rail vehicle as described above and at least one track facility as described above.
- the rail vehicle's own railway component preferably locates itself based on the self-determined location-related information as soon as it is in the area of the route facility and its transmission or. Receives response signal.
- the railway component's own railway component preferably locates the rail vehicle based on the self-determined location-related information as soon as it receives the transmission or Receives response signal from the rail vehicle.
- the invention also relates to a method for determining location-related information relating to a rail vehicle.
- the location-related information is determined by a computing device which, together with one and the same assigned radio device, carries out at least two measuring methods that differ from one another, with a first of the at least two measuring methods providing a first intermediate piece of information and with a second of the at least two measurement methods, a second intermediate piece of information is determined, and the location-related information is determined using the at least two intermediate pieces of information.
- Figure 1 shows an exemplary embodiment of a railway component according to the invention
- FIG. 2-7 exemplary embodiments of the operation of the railway component according to Figure 1,
- Figure 8 shows an exemplary embodiment of an arrangement with two railway components, each of which can locate the other railway component, and
- FIG 9 components of an exemplary embodiment of a railway system according to the invention.
- the location-related information 01 can be an absolute location information, for example in the form of coordinates, or a relative location information, for example a distance information.
- the railway component 1 includes a radio device 10 and a computing device 20 that works together with the radio device 10.
- the radio device 10 is used to send transmission signals and to receive transmission signals coming from another source, which it receives and with which it forms a reception signal E.
- the computing device 20 includes a computing unit 21, which includes a processor 21a, and a memory 22 in which software programs are stored. When executed by the computing unit 21, the software programs determine the operation of the computing device 20 and thus that of the railway component 1 or at least they co-determine it.
- the computing device 20 is formed solely by the processor 21a. comprises only a single processor 21a.
- a first software program SP1 is stored in the memory 22, which, when executed by the computing device 20, carries out a first measuring method MV1 by determining the first intermediate information ZU.
- a third software program SP3 stored in the memory 22 serves to generate the location-related information 01 using the intermediate information Z U and Z I2.
- the location-related information 01 can be done, for example, by averaging or weighted averaging of the two intermediate pieces of information Z U and Z I2.
- the first, second and third software programs SP1-SP3 are preferably carried out with one and the same processor 21a of the computing device 20.
- FIG. 1 also shows a further railway component 2 arranged on the right in FIG. 1.
- the railway component 1 arranged on the left in FIG. 1 is referred to below as the actively measuring railway component 1, since it forms the location-related information 01; the railway component arranged on the right in Figure 1 nente 2 is referred to as a contributing railway component because it supports the actively measuring left railway component 1; this will be explained in more detail below using exemplary embodiments.
- the first software program SP1 of the computing device 20 of the actively measuring railway component 1 generates with the radio device 10 a first transmission signal SS I, which is sent out with the radio device 10; This is shown by way of example in FIG. 2.
- the participating railway component 2 receives the first transmission signal SS I and in turn sends back a first response signal AS 1 (see FIG. 3); This first response signal AS 1 is received by the radio device 10 of the actively measuring railway component 1 as part of its received signal E.
- the first software program SRI evaluates the received signal E taking into account its own transmission signal SS I and generates the first intermediate information Z U.
- the first software program SP1 and the participating railway component 2 can, for example, be designed in such a way that they jointly carry out a two-way positioning method as the first measuring method MV1, as shown in FIGS. 2 and 3.
- the first software program SP1 can evaluate the time difference between the sending of the first transmission signal SS I and the reception of the first response signal AS 1 and a first distance value, which indicates the distance between the two railway components 1 and 2, as the first Determine interim information for U according to:
- Tvl can, for example, describe or at least contain the signal processing time Tvl2, which the participating railway component 2 requires in order to generate and send out its first response signal AS 1 after receiving the first transmission signal SS I.
- the signal processing time Tvl2 of the participating railway component 2 is not known or is variable, then it is advantageous if the participating railway component 2 communicates its own signal processing time Tvl2 in its first response signal AS 1, for example in coded or uncoded form.
- the second software program SP2 of the computing device 20 of the actively measuring railway component 1 can generate a second transmission signal SS2 with its radio device 10, which is sent out with the radio device 10; this is shown by way of example in FIG. 4.
- the participating railway component 2 also receives the second transmission signal SS2 and in turn sends back a second response signal AS2 (see FIG. 5);
- This second response signal AS2 is also received by the radio device 10 of the actively measuring railway component 1 and is therefore also included in the received signal E.
- the second software program SP2 evaluates the second response signal AS2 contained in the received signal E, taking into account its own second transmission signal SS2, and generates the second intermediate information item Z I2.
- the second software program SP2 and the participating railway component 2 can be designed in this way, for example be that they carry out a second two-way location procedure together, as shown in Figures 4 and 5.
- the second software program SP2 can evaluate the time difference between the sending of the second transmission signal SS2 and the reception of the second response signal AS2 and a second distance value, which also indicates the distance between the two railway components 1 and 2, as second intermediate information Determine Z I2 according to:
- Tv2 C * (dT2-Tv2) where C is the speed of light, dT2 is the time difference between the sending of the second transmission signal SS2 and the reception of the second response signal AS2 and Tv2 takes the delay time into account in the signal processing.
- Tv2 can, for example, describe or at least contain the signal processing time Tv22, which the participating railway component 2 requires in order to generate and send out its second response signal AS2 after receiving the second transmission signal SS2.
- the signal processing time Tv22 of the participating railway component 2 is not known or variable, it is advantageous if the participating railway component 2 communicates its own signal processing time Tv22 in this regard in its second response signal AS2, for example in coded or uncoded form.
- the parameter sets can, for example, define with which frequencies and/or which frequency spreading method the signals are generated and/or which signal structure they have, for example in order to transmit information.
- the first and/or the second software program SP1 or SP2 of the actively measuring railway component 1 and the operation of the participating railway component 2 can be designed to be the first and/or second measuring method MV1 or MV2 to carry out a frequency modulated continuous wave operating method; This will be explained using Figures 6 to 7 as an example:
- the first software program SP1 of the computing device 20 of the actively measuring railway component 1 generates - as shown by way of example in FIG.
- the first transmission signal SS I preferably has linear frequency ramps in the frequency curve, each of which increases or decreases linearly over time.
- the first transmission signal SS I can, for example, form a sawtooth function in the frequency spectrum.
- the participating railway component 2 receives the first frequency-modulated transmission signal SS I and in turn sends back a first response signal AS 1 in the form of a frequency-modulated continuous wave signal (see FIG. 7).
- the participating railway component 2 preferably synchronizes itself with the transmission signal SS I received from the actively measuring railway component 1 and sends back a frequency-modulated continuous wave signal that is synchronous to the received transmission signal SS I as the first response signal AS 1 . Due to the transmission time between transmission and reception, the first response signal AS 1 is shifted in time and therefore offset in frequency compared to the first transmission signal - based on the transmission signal at the location of the actively measuring railway component 1.
- the frequency offset is proportional to the distance between the two railway components 1 and 2.
- the first software program SP1 of the actively measuring railway component 1 evaluates the information provided by the participating railway component. nente 2 sent and received by the radio device 10 of the actively measuring railway component 1 first response signal AS 1 and determines the frequency offset between its own transmission signal SS I and the (frequency offset) response signal AS 1 contained in the received signal E and calculates the distance as the first intermediate information TO between railway components 1 and 2, for example according to:
- the difference frequency df can be determined in a known manner, for example, by mixing the first transmission signal SS I and the first response signal AS 1 to form a mixed frequency that corresponds to the difference frequency.
- the second software program SP2 of the computing device 20 of the actively measuring railway component 1 can generate a second transmission signal SS I with its radio device 10 for the purpose of carrying out a second measurement method MV2, as already done in connection with the figures 4 to 5 was explained.
- the second measuring method MV2 can be, for example, the two-way positioning method according to FIGS. 4 and 5; alternatively, the second measuring method MV2 can also be a frequency-modulated continuous wave measuring method, as was explained in connection with FIGS. 6 and 7.
- the second measuring method MV2 is also a frequency-modulated continuous-wave measuring method, this preferably differs from the frequency-modulated continuous-wave measuring method that is carried out as part of the first measuring method MV1.
- the second frequency-modulated continuous-wave measurement method MV2 can operate in a different frequency range than the first frequency-modulated continuous-wave measurement method MV1.
- FIG 8 shows a particularly preferred arrangement with two railway components.
- each of the two railway components 1 and 2 is suitable to work both as an actively measuring railway component 1, i.e. as the left railway component 1 in Figures 1 to 7, and as a contributing railway component 2, i.e. as the right railway component 2 in the Figures 1 to 7.
- the two railway components 1 and 2 according to Figure 8 correspond in structure to the left railway component 1 according to Figures 1 to 7 and accordingly have the radio device 10 described in connection with Figures 1 to 7 and the one described in connection with Figures 1 to 7 Computing device 20 on.
- the computing device 20 includes the computing unit 21 and the memory 22 in which the software programs are stored.
- a fourth and a fifth software program SP4 and SP5 are stored in the memory 22, which enable the railway components 1 and 2 to react to transmission signals from another actively measuring railway component and to cooperate with this as a participating railway component.
- the fourth software program SP4 is preferably coordinated with the first software program SP1 of the other railway component in order to be able to cooperate appropriately with it;
- the fifth software program SP5 is preferably coordinated with the second software program SP2 of the other railway component in order to be able to cooperate appropriately with it.
- first and second software programs SP1 and SP2 of the upper railway component 1 and the one interacting with it fourth and fifth software programs SP4 and SP5 of the lower railway component 2 with different measuring methods MV1 and MV2 and/or at least different parameter sets work than the first and second software programs SP1 and SP2 of the lower railway component 2 (see measuring methods MV1 'and MV2') and the one interacting with them fourth and fifth software programs SP4 and SP5 of the upper railway component 1.
- Figure 9 shows components of an exemplary embodiment of a railway system 100 according to the invention. Shown are a rail vehicle 110, which is equipped with the railway component 1 according to FIG. 9, and a track device 120 in the form of a balise, which is equipped with the railway component 2 according to FIG. 9.
- the rail vehicle 110 locates itself with the cooperation of the railway component 2 of the balise and forms corresponding location-related information 01.
- the term Balise means a track facility that is arranged in the track bed or near the track, be it in the ground or close to the ground, or on a fastening device at a height preferably less than 10 m, and in a uni- or bi-directional manner Suitable for communication with a passing rail vehicle or is determined.
- the railway component 2 of the balise in turn locates the railway component 1 and thus the passing rail vehicle 110 with the cooperation of the railway component 1 and forms location-related information 01 which indicates the location of the passing rail vehicle 110.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022206507.7A DE102022206507A1 (de) | 2022-06-28 | 2022-06-28 | Eisenbahnkomponente und Verfahren zum Ermitteln einer ein Schienenfahrzeug betreffenden, ortsbezogenen Information |
| PCT/EP2023/065368 WO2024002653A1 (de) | 2022-06-28 | 2023-06-08 | Eisenbahnkomponente und verfahren zum ermitteln einer ein schienenfahrzeug betreffenden, ortsbezogenen information |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4519144A1 true EP4519144A1 (de) | 2025-03-12 |
Family
ID=87003188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23734144.1A Pending EP4519144A1 (de) | 2022-06-28 | 2023-06-08 | Eisenbahnkomponente und verfahren zum ermitteln einer ein schienenfahrzeug betreffenden, ortsbezogenen information |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4519144A1 (de) |
| DE (1) | DE102022206507A1 (de) |
| WO (1) | WO2024002653A1 (de) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3124884A1 (de) | 1980-07-09 | 1982-03-11 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren und anordnung zur zug-vollstaendigkeitsueberwachung |
| DE102014217194A1 (de) | 2014-08-28 | 2016-03-03 | Siemens Aktiengesellschaft | Verfahren zur Positionsbestimmung eines spurgeführten Fahrzeugs, Anwendung des Verfahrens und System zur Positionsbestimmung eines spurgeführten Fahrzeugs |
| DE102016215696A1 (de) * | 2016-08-22 | 2018-02-22 | Siemens Aktiengesellschaft | Streckenseitige Sendeeinrichtung, insbesondere Balise, fahrzeugseitige Ortungseinrichtung sowie Verfahren zum Orten eines Fahrzeugs |
| DE102016223439A1 (de) * | 2016-11-25 | 2018-05-30 | Siemens Aktiengesellschaft | Verfahren zur Positionsbestimmung eines Schienenfahrzeugs und Schienenfahrzeug mit Positionsbestimmungseinrichtung |
| EP3795449A1 (de) * | 2019-09-18 | 2021-03-24 | Siemens Mobility GmbH | Verbessertes verfahren zum orten eines insbesondere gleisgebundenen fahrzeugs und geeignete ortungsvorrichtung |
-
2022
- 2022-06-28 DE DE102022206507.7A patent/DE102022206507A1/de not_active Withdrawn
-
2023
- 2023-06-08 WO PCT/EP2023/065368 patent/WO2024002653A1/de not_active Ceased
- 2023-06-08 EP EP23734144.1A patent/EP4519144A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE102022206507A1 (de) | 2023-12-28 |
| WO2024002653A1 (de) | 2024-01-04 |
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Owner name: SIEMENS MOBILITY GMBH |