EP3938265A1 - Verfahren zum bestimmen einer gleisbelegung sowie achszähleinrichtung - Google Patents
Verfahren zum bestimmen einer gleisbelegung sowie achszähleinrichtungInfo
- Publication number
- EP3938265A1 EP3938265A1 EP20724747.9A EP20724747A EP3938265A1 EP 3938265 A1 EP3938265 A1 EP 3938265A1 EP 20724747 A EP20724747 A EP 20724747A EP 3938265 A1 EP3938265 A1 EP 3938265A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- subsystem
- wheel
- influencing
- track section
- processor
- 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
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/16—Devices for counting axles; Devices for counting vehicles
- B61L1/162—Devices for counting axles; Devices for counting vehicles characterised by the error correction
-
- 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
- B61L1/16—Devices for counting axles; Devices for counting vehicles
- B61L1/169—Diagnosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/30—Trackside multiple control systems, e.g. switch-over between different systems
Definitions
- the invention relates to a method for the computer-aided determination of the occupancy status of a track section with the steps that
- Occupancy status is output.
- the invention also relates to an axle counting device for detecting wheel influences on a track section
- the invention also relates to a computer program product with program instructions for performing the above-mentioned method and a provision device for the
- Computer program product the provision device storing and / or providing the computer program product.
- Track section indicates whether the said track section is currently being used by a train.
- an occupancy report is sent to a control center, for example, whereby a track section may never be used by two trains at the same time. Only when the train in question has left the said track section again is the track section reported free so that another train can enter this track section.
- Axle counters monitored. These have sensors that a
- each track section has a reliability of the procedure.
- there are special features to consider for each track section for example if the sensors are in curves or areas of points.
- track sections that are preferred by certain trains for example branch lines that are only used by freight trains, or high-speed lines that are primarily used by
- the object of the invention is therefore to provide a method for the computer-aided determination of an occupancy state of a track section, which is inexpensive
- Modify and the like, preferably to actions and / or processes and / or processing steps that change and / or generate data and / or convert the data into other data, the data in particular being represented or being able to be present as physical quantities, for example as electric impulse.
- computer is to be interpreted broadly to include all electronic devices
- Computers can thus, for example, be personal computers, servers,
- Handheld computer systems Handheld computer systems, Pocket PC devices, cellular devices and other communication devices that use computerized data
- processors and other electronic devices for data processing can process, processors and other electronic devices for data processing, which can preferably also be connected to a network.
- “computer-aided” can be understood to mean, for example, an implementation of the method in which one or more computers executes or executes at least one method step of the method.
- a “processor” can be understood to mean, for example, a machine or an electronic circuit.
- a processor can in particular be a main processor (Central Processing Unit, CPU), a microprocessor or a microcontroller, for example an application-specific integrated circuit or a digital signal processor, possibly in combination with a memory unit for storing program commands, etc. .
- a processor can, for example, also be an IC (integrated circuit), in particular an FPGA (Field Programmable Gate Array) or an ASIC (Application-Specific Integrated Circuit), or a DSP
- a processor can also be understood to be a virtualized processor or a soft CPU.
- it can also be a programmable processor that is equipped with a configuration for carrying out the aforementioned method according to the invention.
- a “memory unit” can be understood to mean, for example, a computer-readable memory in the form of a random access memory (RAM) or a hard disk.
- Reinforcing learning is to be understood as the mode of operation of a processor, which aims to optimize the process carried out by the processor
- the automatic optimization results in only low costs.
- a change in operation for example the start of long-distance traffic on a route that was previously mainly used for local traffic (or the other way around), can be responded to. If the optimization goal changes during operation, the method can then be automatically adapted to the new task.
- the method remains reliable even under changing operating conditions, as it always adapts to the current requirements.
- the reinforcement learning can be implemented both in terms of software and hardware.
- reinforcement learning takes place through an algorithm implemented in the program.
- Another possibility is to implement the process of reinforcement learning in terms of hardware.
- the algorithm uses a neural network for reinforcement learning.
- Neural networks consist of a circuit that generates output variables depending on the input variables and depending on the circuit implemented.
- the circuit is set up in such a way that a modification of the input variables also leads to a modification of the output variables, the parameters to be taken into account being implemented in hardware.
- the at least one algorithm carries out threshold value recognition and / or time filtering and / or consideration of a hysteresis between recognition of the beginning of the wheel and the end of the wheel.
- axle counters The parameters that can be modified by axle counters are, for example, a so-called switch-on threshold and a switch-off threshold for wheel detection.
- a so-called switch-on threshold and a switch-off threshold for wheel detection there is a threshold for the measured value determined by the sensor, above which the passing of a wheel on the axle counter is assumed. If the switch-off threshold is then fallen below again, this is interpreted in such a way that the wheel has completely passed the axle counter.
- a further parameter can be introduced by time filtering, whereby empirical values are included here as to how long (depending on the speed) a wheel needs to pass an axle counter. Is a hysteresis between
- the switch-off threshold may be higher than the
- the method steps are carried out in parallel in a first subsystem and in a second subsystem.
- first subsystem and the second subsystem both the first subsystem and the second subsystem
- the evaluation device determines the actual occupancy status by evaluating the data from sensor devices, in particular axle counters, on the track section or from external data, in particular timetable data.
- the sensor devices that have already been in operation for a longer period of time are advantageously particularly suitable so that the data determined by these sensors (preferably also axle counters) can be used for comparison.
- Schedule data can also be used if the schedule can be reliably mapped, since the result of the eight-counter can be compared with the model of the train provided in the schedule.
- the evaluation device displays the actual occupancy state or information regarding the correspondence of the actual occupancy state with the influencing state output the neural networks of the first subsystem and the second subsystem report back.
- Influence status was determined, or a variable that the degree of agreement of the occupied status with the
- the influencing state allows, the parameters can be adjusted in the self-learning system if this is necessary. This triggers an iterative procedure which advantageously contributes to the optimization of the parameters.
- the parameters can thereby advantageously be modified in a targeted manner (and not randomly), as a result of which the optimization can advantageously be completed much more quickly.
- the reinforcement learning provides greater security against misinterpretations when determining the
- a temperature influence is eliminated in a processing step of the raw data, with compensated data being generated for the evaluation.
- compensated data is generated for the evaluation.
- a test cycle is carried out at time intervals with a set of input variables for which the result of the determination of the influencing state can be predicted, and that the determined influencing state is compared with an expected, predictable influencing state.
- a test cycle which can be carried out at regular time intervals, for example, advantageously increases the reliability of the method. This is achieved by having a
- Parameter drift which leads to a distance from the optimum, can be recognized if this already leads to incorrect results. This is because the result for the parameters of the test cycle is reliably known and is only not achieved if the self-learning system turns in the wrong direction over a longer period of time, i.e. H. away from finding the optimum.
- the stated object is also achieved according to the invention in that the processor is used to recognize
- a neural network advantageously offers a hardware-technical and thus highly reliable environment in order to provide the parameters for the above method. Reinforcement learning can take place here in order to find an optimum for the parameters. It is also possible to use reinforcement learning Prepare to be carried out before installing the axle counter according to the invention on site. The operating conditions for the axle counter must be determined beforehand.
- a standardized parameter set for performing the algorithm is stored in the processor.
- a computer program product is also included
- provision device for storing and / or providing the computer program product.
- the provision device is, for example, a
- Data carrier that stores and / or provides the computer program product.
- Alternatively and / or additionally is the
- Provisioning device for example a network service, a computer system, a server system, in particular a distributed computer system, a cloud-based computer system and / or virtual computer system, which stores and / or provides the computer program product, preferably in the form of a data stream.
- This provision takes place, for example, as a download in the form of a program data block and / or command data block,
- a file in particular as a download file, or as a data stream, in particular as a download data stream, des
- Peer-to-Peer network is downloaded or provided as a data stream.
- a computer program product is read into a system, for example using the supply device in the form of the data carrier, and executes the program commands so that the method according to the invention is executed on a computer or the
- Figure 1 is a schematic flow chart for a
- FIG. 2 schematically shows an embodiment for the
- FIG. 1 shows a method step 1 VS1, which consists in that the sensor SEN1, SEN2, which receives a wheel pulse IPR from the wheels of a train ZUG traveling on the track section GA
- the sensor SEN1, SEN2 converts this wheel pulse IPR into a reference voltage RSP.
- a method step 2 VS2 can also be seen in FIG. 1, which consists in reading the rectified voltage RSP as raw data RDT into a processor PRC via an analog-digital converter ADU.
- a method step 3 VS3 can be seen in FIG. 1, which consists in that a temperature influence is eliminated by a processing step of the raw data RDT, with compensated data KDT being generated, which in the later course of the method for the evaluation of an influencing state 1 and 2 BZ1 , BZ1 are relevant.
- FIG. 1 also shows a method step 4 VS4, which consists in that the processor PRC can have an algorithm which, after checking the raw data RDT, carries out an evaluation determines whether there is a wheel influence or not.
- the processor PRC can have an algorithm which, after checking the raw data RDT, carries out an evaluation determines whether there is a wheel influence or not.
- Axle counting result The process of reinforcement learning can be carried out, for example, by a neural network not shown in detail.
- the results of the influencing states 1 and 2 BZ1, BZ2 can be transmitted to the evaluation device AWE via an output OUT.
- the occupancy status of the track section GA can thus be determined on the basis of the evaluation generated by the evaluation device.
- the evaluation device AWE is integrated in an axle counting computer AZR.
- the axle counting computer AZR is made available by the infrastructure of an interlocking. He can work in a network of computers and take into account other inputs described below.
- Figure 1 shows that the evaluation device AWE the influencing state 3, 4, and thus the actual
- Occupancy status of the track section GA can be determined from external data, in particular schedule data FPD, since the result of the occupancy status BZ1, BZ2 can be compared with the pattern of the train provided in the schedule FP.
- the further influencing states 3 and 4 BZ3, BZ4 can be taken into account by the evaluation device AWE via the outputs OUT, with these further influencing states being determined by further axle counters (not shown).
- These axle counters can be provided at the other end of the track section, for example, since track sections need axle counters both at the beginning and at the end in order to generate and check vacancy reports and occupancy reports.
- FIG. 2 it can be seen that the electrical impulse generated by the train ZUG from the track section GA due to the physical influence of the wheel is converted into a directional voltage by sensors SEN RSP can be converted.
- the sensors SEN are designed as part of an axle counting device AZE, which are connected to the axle counting computer AZR via an interface 3.
- the directional voltage RSP is transmitted from the
- the raw data RDT are sent from the analog-digital converter ADU to the processor PRC via the interface S2.
- the interface S3 is used to transmit this data for the detection of
- Wheel influences / influencing states, i.e. the
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019206241.5A DE102019206241A1 (de) | 2019-04-30 | 2019-04-30 | Verfahren zum Bestimmen einer Gleisbelegung sowie Achszähleinrichtung |
| PCT/EP2020/059342 WO2020221544A1 (de) | 2019-04-30 | 2020-04-02 | Verfahren zum bestimmen einer gleisbelegung sowie achszähleinrichtung |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP3938265A1 true EP3938265A1 (de) | 2022-01-19 |
| EP3938265B1 EP3938265B1 (de) | 2025-02-12 |
| EP3938265C0 EP3938265C0 (de) | 2025-02-12 |
Family
ID=70617063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20724747.9A Active EP3938265B1 (de) | 2019-04-30 | 2020-04-02 | Verfahren zum bestimmen einer gleisbelegung sowie achszähleinrichtung |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3938265B1 (de) |
| DE (1) | DE102019206241A1 (de) |
| ES (1) | ES3024957T3 (de) |
| WO (1) | WO2020221544A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021200803A1 (de) * | 2021-01-29 | 2022-08-04 | Siemens Mobility GmbH | Auswerteinrichtung für eine technische Einrichtung und Verfahren zum Herstellen einer Auswerteinrichtung |
| EP4035969B1 (de) * | 2021-01-29 | 2024-11-13 | Siemens Mobility GmbH | Verfahren zum trainieren einer steuerung für ein schienenfahrzeug, steuerung und schienenfahrzeug |
| CN113562035B (zh) * | 2021-06-30 | 2023-03-21 | 通号城市轨道交通技术有限公司 | 列车位置报告跳变防护方法、装置、电子设备和存储介质 |
| CN115489572B (zh) * | 2022-09-21 | 2024-05-14 | 交控科技股份有限公司 | 基于强化学习的列车ato控制方法、设备及存储介质 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3218541C1 (de) * | 1982-05-17 | 1983-11-03 | Siemens AG, 1000 Berlin und 8000 München | Schienenkontakt für spurgeführte Fahrzeuge |
| US12233922B2 (en) * | 2018-12-28 | 2025-02-25 | Kawasaki Jukogyo Kabushiki Kaisha | Travel condition network information generation system, travel condition network information generation apparatus, and travel condition network information generation method |
-
2019
- 2019-04-30 DE DE102019206241.5A patent/DE102019206241A1/de not_active Withdrawn
-
2020
- 2020-04-02 WO PCT/EP2020/059342 patent/WO2020221544A1/de not_active Ceased
- 2020-04-02 ES ES20724747T patent/ES3024957T3/es active Active
- 2020-04-02 EP EP20724747.9A patent/EP3938265B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3938265B1 (de) | 2025-02-12 |
| DE102019206241A1 (de) | 2020-11-05 |
| EP3938265C0 (de) | 2025-02-12 |
| WO2020221544A1 (de) | 2020-11-05 |
| ES3024957T3 (en) | 2025-06-05 |
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