DE102017213040A1 - Railway system with measuring device - Google Patents

Abstract

The invention relates to a method for operating a railway installation (10), wherein in the method with at least one installation sensor (AS) a system measurement value (Ma) relating to the railway installation (10) is measured and the railway installation (10) is operated using the measured value According to the invention, it is provided that at least one environmental sensor (US) measures an ambient measured value (Mu) that indicates an environmental influence on the system sensor (AS), the system measured value (Ma) using the ambient measured value (Mu) to form a corrected system measured value (Mk) is corrected and the railway system (10) is operated using the corrected system measured value (Mk).

Description

The invention relates to a method for operating a railway installation, wherein in the method with at least one installation sensor, a system measured value relating to the railway installation is measured and the railway installation is operated using the measured value.

The invention has for its object to provide a comparison with conventional methods improved method for operating a railway system.

This object is achieved by a method having the features according to claim 1. Advantageous embodiments of the method according to the invention are specified in subclaims.

Thereafter, it is provided according to the invention that at least one environment sensor measures a surrounding measurement value that indicates an environmental influence on the plant sensor, corrects the plant measurement value using the ambient measurement value to form a corrected plant measurement value, and operates the railway installation using the corrected plant measurement value.

A significant advantage of the method according to the invention is that measurement errors of system sensors can be reduced. Many types of plant sensors used in the field of railway technology are sensitive to varying environmental influences, such as temperature fluctuations. By means of the inventively provided correction of system measured values taking into account environmental measured values, these errors can be corrected or at least reduced, so that faulty operation of the railway system due to faulty system measured values is prevented or at least the frequency of incorrect operation is reduced.

The system sensor may be a track-side sensor which generates a track-side measured value as the system measured value, or a rail-vehicle-side sensor which generates a rail vehicle-side measured value as the system measured value.

It is advantageous if a trackside component of the railway system, in particular a signal box, a control center, a train control system, a control and safety system or a control and safety system including Zugbeeinflussungssystem, is operated using the corrected system measured value.

It is also advantageous if a vehicle-side component of a rail vehicle of the railway system, in particular a vehicle-side control device, is operated using the corrected system measured value.

In a particularly advantageous embodiment, it is provided that the corrected measured system value is generated by a measuring device in which the environmental sensor, the system sensor and the correction unit are components of a common structural unit, in particular housed in a common housing. The correction unit is thus an internal component of the unit; It processes the plant measured value and the ambient measured value and generates the corrected plant measured value.

In another embodiment, which is regarded as particularly advantageous, it is provided that the system sensor transmits the uncorrected system measured value to an external correction unit, the environment sensor transmits the ambient measured value to the external correction unit, and the corrected system measured value is formed by the external correction unit.

The external correction unit is preferably a central computer unit, in particular a cloud-based computer unit.

Alternatively it can be provided that the external correction unit is a component of a rail vehicle-side control device.

It is also possible that the external correction unit is a component of a trackside facility of the railway system, in particular a signal box, a control center, a train control system, a control and safety system or a control and safety system including Zugbeeinflussungssystem.

It is furthermore particularly advantageous when two or more environmental sensors are respectively used to measure a surrounding measured value which indicates an environmental influence on the system sensor and the system measured value is corrected by using the ambient measured values of the two or more environmental sensors to form the corrected system measured value. In this embodiment, advantageously, a plurality of different environmental influences can be corrected simultaneously if the two or more environmental sensors measure different environmental influences.

The system sensor is preferably a radar sensor, an axle counter, a track circuit or a distance sensor.

The environmental sensor is preferably an air pressure sensor that measures, as an environmental influence, the air pressure acting on the system sensor, a temperature sensor that measures, as an environmental influence, the temperature applied to the system sensor, a wet sensor that measures, as an environmental influence, the humidity applied to the system sensor, a rain sensor that detects as ambient influence measures the rain acting on the system sensor, a humidity sensor that senses the ambient humidity as the environmental influence on the system sensor, a snow sensor that measures the snow acting on the system sensor as an environmental influence, a vibration sensor that senses shock to the system sensor as an environmental impact , or a vibration sensor that measures vibrations acting as an environmental influence on the system sensor.

The invention further relates to a measuring device for a railway system with at least one system sensor for measuring a system measured value relating to the railway system. With regard to such a measuring device, it is provided according to the invention that the measuring device has at least one ambient sensor for measuring a surrounding measured value which measures an environmental influence on the system sensor, and the measuring device has a correction unit which corrects the system measured value using the ambient measured value to form a corrected system measured value.

With regard to the advantages of the measuring device according to the invention, reference is made to the above explanations in connection with the method according to the invention.

The invention also relates to a railway system. According to the invention, the railway system is equipped with a measuring device, as has been described above.

In a first particularly preferred embodiment of the railway system is provided that the environmental sensor, the system sensor and the correction unit are components of a common unit and are housed in particular in a common housing.

In a second particularly preferred embodiment variant of the railway system, it is provided that the correction unit is an external correction unit spatially separate from the environmental sensor and the system sensor, preferably a central computer unit, in particular a cloud-based computer unit, a component of a rail-vehicle-side control device or a component of a trackside component of FIG Railway installation, in particular an interlocking, a control center, a train control system, a control and safety system or a control and safety system including Zugbeeinflussungssystem.

In a third particularly preferred embodiment variant of the railway system it is provided that the distance between the system sensor and the correction unit is both smaller than the distance between the system sensor and the environmental sensor and smaller than the distance between the correction unit and the environmental sensor. Preferably, the system sensor and the correction unit are close to each other and together form a structural unit; the environment sensor is arranged spatially distant.

• 1-4 Ausführungsbeispiele für Eisenbahnanlagen mit schienenfahrzeugseitigen Anlagensensoren, anhand derer Ausführungsbeispiele für das erfindungsgemäße Verfahren erläutert werden, und
• 5-9 Ausführungsbeispiele für Eisenbahnanlagen mit streckenseitigen Anlagensensoren, anhand derer weitere Ausführungsbeispiele für das erfindungsgemäße Verfahren erläutert werden.

The invention will be explained in more detail with reference to embodiments; thereby show by way of example

• 1-4 Exemplary embodiments of railway systems with rail vehicle-side system sensors, with reference to which embodiments of the method according to the invention are explained, and
• 5-9 Exemplary embodiments of railway systems with trackside system sensors, with reference to which further embodiments of the method according to the invention will be explained.

For the sake of clarity, the same reference numbers are always used in the figures for identical or comparable components.

The 1 shows a section of a railway system 10 , whose track system 30 from a rail vehicle 20 is driven. The rail vehicle 20 has a rail vehicle-side control device 21 and a measuring device 40 on. The measuring device 40 is by a rail vehicle-side system sensor AS , an environment sensor US and a correction unit KE educated. The environmental sensor US , the system sensor AS and the correction unit KE the measuring device 40 are in a common housing 50 housed and form a common unit; the correction unit KE can thus as an internal correction unit KE be called the unit.

In the rail vehicle-side system sensor AS it may be, for example, a radar sensor or a distance sensor. The environmental sensor may be, for example, an air pressure sensor, a temperature sensor, a wet sensor, a rain sensor, a humidity sensor, a snow sensor, a vibration sensor or a vibration sensor.

The railway system 10 or the rail vehicle 20 are preferably operated as follows:

With the rail vehicle-side system sensor AS becomes a the railway system 10 or the rail vehicle 20 relevant plant measured value Ma measured. The asset reading may be, for example, a speed reading or a distance reading.

With the environment sensor US becomes an ambient reading Mu measured, the environmental impact on the rail vehicle-side system sensor AS measures. The measured environmental influence can be, for example, air pressure, temperature, moisture, rain, vibrations or the like, depending on the design of the environmental sensor.

The plant measured value Ma and the ambient reading Mu become the internal correction unit KE the sensor arrangement 50 transfer. The correction unit KE corrects the plant measured value Ma using the ambient reading Mu and forms a corrected plant reading mk ,

wobei K(T) einen von der jeweiligen Temperatur T abhängigen und in der Korrektureinheit KE hinterlegten Korrekturwert und Mk den korrigierten Anlagenmesswert bezeichnet.Is it the system sensor AS For example, a temperature-dependent or temperature-sensitive sensor, the temperature dependence of which is known quantitatively, so using a ambient reading Mu in the form of a temperature measurement, the temperature influence on the output signal of the system sensor AS be corrected and a fault-free at least the influence of the temperature-free system measured value mk be formed. In order to be able to carry out the corresponding correction, can in the correction unit KE For example, a correction curve or correction table can be stored, in which the temperature influence or the temperature-related errors of the system measured value Ma Dependent on the respective temperature is deposited. For example, a correction can be made according to: $$\text{mk}=\text{Ma}*\text{K}\left(\text{T}\right)$$

where K (T) depends on the respective temperature T and in the correction unit KE stored correction value and Mk denotes the corrected system measured value.

The correction curve or the correction table are preferably based on values that have been collected over an extended period of time in the past and, for example, averaged.

The corrected plant reading mk is in the rail vehicle-side control device 21 fed based on the corrected plant reading mk instead of the original asset reading Ma the rail vehicle 20 controls.

The 2 shows a second embodiment of a measuring device 40 involved in the operation of a railway system 10 can be used. In contrast to the embodiment according to 1 is the environmental sensor US a spatially separated, separate component.

The environmental sensor US transmits its ambient reading Mu preferably wirelessly, for example by radio, to the rail vehicle 20 or to the correction unit KE , for example, together with the system sensor AS in a common housing 50 can be accommodated.

The correction unit KE evaluates the ambient reading Mu off and corrects the plant reading Ma of the plant sensor AS generating a corrected plant reading mk in the rail vehicle-side control device 21 fed in place of the original plant reading Ma is processed.

The 3 shows an embodiment of a railway system 10 in which the correction unit KE the measuring device 40 in the rail vehicle-side control device 21 is housed. The components of the measuring device 40 So the system sensor AS , the environment sensor US and the correction unit KE are therefore arranged separately.

The system sensor AS and the environmental sensor US transmit their readings Ma respectively. Mu to the correction unit KE , which forms a corrected measured system value for controlling the rail vehicle 20 is used.

The 4 shows an embodiment of a railway system 10 in which the correction unit KE not in the rail vehicle 20 , but is arranged outside or externally. The correction unit KE is preferably formed by a central computer unit, in particular a central cloud-based computer unit. Also, the correction unit KE a component of a trackside control device, in particular an interlocking, a control center or a train control system be.

The environmental sensor US and the system sensor AS transmit their readings Mu and Ma to the external correction unit KE , for example by radio, which evaluates the measured values and with these a corrected system measured value mk generated. Of the corrected plant measured value mk becomes the rail vehicle-side control device 21 of the rail vehicle 20 transfer.

The 5 shows an embodiment of a railway system 10 in which a measuring device 40 by a trackside system sensor AS , an environment sensor US and a correction unit KE is formed. The system sensor AS , the environment sensor US and the correction unit KE are in a common housing 50 accommodated.

The correction unit KE evaluates the plant measured value Ma the track side analgesic sensor AS and the ambient reading Mu of the environmental sensor US and generates a corrected plant reading mk which is a trackside facility 60 is transmitted. At the trackside facility 60 it may, for example, be a control and / or security system including train control system, a signal box or a control center.

The trackside facility 60 works by using the corrected plant reading mk ,

The 6 shows an embodiment of a railway system 10 , in which only the trackside system sensor AS and the correction unit KE in a common housing 50 are housed. The environmental sensor US is an external sensor that gives its ambient reading Mu wired or wireless, for example by radio, to the correction unit KE transmitted.

The correction unit KE generated by the ambient reading Mu and by means of the plant reading Ma the corrected plant measured value mk , the trackside facility 60 is transmitted.

The 7 shows an embodiment of a railway system 10 in which a measuring device 40 an environment sensor US , a trackside system sensor AS as well as a correction unit KE includes, which are arranged separately from each other. The correction unit KE is in the embodiment according to 7 within a trackside facility 60 arranged, which may be, for example, a control and / or security system including Zugbeeinflussungssystem, a signal box or a control center. The correction unit KE generates a corrected plant measured value mk based on the ambient reading Mu and the plant reading Ma as explained above, so that the trackside facility 60 based on the corrected plant reading.

The 8th shows an embodiment of a railway system 10 in which a correction unit is arranged externally and is formed by a central computer unit, in particular a cloud-based computer unit. The trackside system sensor AS and the environmental sensor US transmit their readings Ma and Mu to the correction unit KE that have a corrected asset reading mk generates and this to the trackside control device 60 transmitted. Incidentally, the above statements apply in connection with the 1 to 7 in the embodiment according to 8th corresponding.

The 9 shows an embodiment of a railway system 10 , in which with an externally arranged correction unit two (as in the 9 shown) or more environmental sensors US communicate their readings Mu1 and mu2 to the correction unit KE transfer.

The correction unit KE can in the embodiment according to 9 the plant measured value Ma using both ambient readings Mu1 and mu2 correct and, based on this, a corrected asset reading mk form.

Is it the system sensor AS For example, to a temperature and humidity-dependent sensor, the temperature dependence and moisture dependence is known quantitatively, so using a ambient reading Mu1 in the form of a temperature measurement, the temperature influence on the output signal of the system sensor AS and using a surrounding reading mu2 in the form of a moisture value, the influence of moisture on the output signal of the system sensor AS corrected and a fault-free, at least from the influence of temperature and humidity freed, plant measured value mk be formed.

wobei K1 (T) einen von der jeweiligen Temperatur T abhängigen und in der Korrektureinheit KE hinterlegten Korrekturwert, K2(T) einen von der jeweiligen Feuchte F abhängigen und in der Korrektureinheit KE hinterlegten Korrekturwert und Mk den korrigierten Anlagenmesswert bezeichnet.For example, a correction can be made according to: $$\text{mk}=\text{Ma}*\text{K1}\left(\text{T}\right)*\text{K2}\left(\text{F}\right)$$

in which K1 (T) one of the respective temperature T dependent and in the correction unit KE deposited correction value, K2 (T) one of the respective humidity F dependent and in the correction unit KE stored correction value and Mk denotes the corrected system measured value.

The corrected plant reading mk becomes the trackside controller 60 transmitted. Incidentally, the above statements apply in connection with the 1 to 8th in the embodiment according to 9 corresponding.

In the same way, moreover, two or more environmental sensors can be used US also in the embodiments according to the 1 to 8th to be available; the above statements in connection with the 9 apply in this case for the embodiments according to the 1 to 8th corresponding.

While the invention has been further illustrated and described in detail by way of preferred embodiments, the invention is not limited by the disclosed examples, and other variations can be derived therefrom by those skilled in the art without departing from the scope of the invention.

LIST OF REFERENCE NUMBERS

10

Railway system

20

track vehicle

21

control device

30

track system

40

measuring device

50

casing

60

Facility

AS

conditioning sensor

KE

correction unit

Ma

Plant reading

mk

Plant reading

Mu

Environment measurement

Mu1

Environment measurement

mu2

Environment measurement

US

environment sensor

Claims (15)

Method for operating a railway installation (10), wherein in the method - with at least one installation sensor (AS) a system measurement value (Ma) relating to the railway installation (10) is measured and - the railway installation (10) is operated using the measured value, characterized in that - at least one ambient sensor (US) is used to measure an ambient measured value (Mu) which indicates an environmental influence on the system sensor (AS), - the system measured value (Ma) using the ambient measured value (Mu) to generate a corrected system measured value (Mk) is corrected and - the railway system (10) is operated using the corrected system measured value (Mk). Method according to Claim 1 , characterized in that the system sensor (AS) is a track-side sensor which generates a track-side measured value as system measured value (Ma). Method according to Claim 1 Characterized in that the sensor system (AS) is a rail-vehicle-mounted sensor that generates a measurement system (Ma) a rail-vehicle-side reading. Method according to one of the preceding claims, characterized in that a trackside component of the railway system (10), in particular a signal box, a control center, a train control system, a control and safety system or a control and safety system including Zugbeeinflussungssystem, using the corrected system measured value ( Mk) is operated. Method according to one of the preceding claims, characterized in that a vehicle-side component of a rail vehicle (20) of the railway system (10), in particular a vehicle-side control device (21), using the corrected system measured value (Mk) is operated. Method according to one of the preceding claims, characterized in that - the corrected system measured value (Mk) is generated by a measuring device in which the environmental sensor (US), the system sensor (AS) and the correction unit (KE) are components of a common structural unit, in particular are accommodated in a common housing (50), and the correction unit (KE) is an internal component of the unit, and - the internal correction unit (KE) processes the system measured value (Ma) and the ambient measured value (Mu) and generates the corrected system measured value (Mk) , Method according to one of the preceding Claims 1 to 5 , characterized in that - the system sensor (AS) transmits the uncorrected system measured value (Ma) to an external correction unit (KE), - the environment sensor (US) transmits the ambient measured value (Mu) to the external correction unit (KE) and - the corrected system measured value (Mk) is formed by the external correction unit (KE). Method according to Claim 7 , characterized in that the external correction unit (KE) is a central computer unit, in particular a cloud-based computer unit. Method according to Claim 7 , characterized in that the external correction unit (KE) is a component of a rail vehicle-side control device (21). Method according to Claim 7 , characterized in that the external correction unit (KE) is a component of a trackside device (60) of the railway system (10), in particular a signal box, a control center, a Zugbeeinflussungssystems, a control and security system or a control and security system including Zugbeeinflussungssystem. Method according to one of the preceding claims, characterized in that - the system sensor (AS) is a radar sensor, an axle counter, a track circuit or a distance sensor and / or - the environment sensor (US) is an air pressure sensor which acts as an environmental influence on the system sensor (AS ), a temperature sensor that measures as ambient influence the temperature acting on the system sensor (AS), a moisture sensor that measures the environmental influence on the system sensor (AS), a rain sensor that acts as an environmental influence on the system sensor ( AS), a humidity sensor that measures ambient humidity as the level of humidity on the system sensor (AS), a snow sensor that senses the snow acting on the system sensor (AS), a vibration sensor that acts as an environmental influence on the system sensor (AS). AS), or a vibration sensor, i he measures environmental influences on the system sensor (AS) acting vibrations is. Method according to one of the preceding claims, characterized in that - with two or more environmental sensors (US) each an ambient measured value (Mu1, Mu2) is measured, which indicates an environmental influence on the system sensor (AS), and - the system measured value (Ma) below Using the ambient measured values (Mu1, Mu2) of the two or more environmental sensors (US) corrected to form the corrected system measured value (Mk). Measuring device for a railway installation (10) with at least one system sensor (AS) for measuring a system measurement value (Ma) relating to the railway installation (10), characterized in that - the measuring device has at least one environment sensor (US) for measuring a surrounding measured value (Mu), indicating an environmental influence on the system sensor (AS), and - the measuring device has a correction unit (KE) which corrects the system measured value (Ma) using the ambient measured value (Mu) to form a corrected system measured value (Mk). Railway system (10) with a measuring device, characterized in that the measuring device is a measuring device according to one of the preceding claims. Railway system (10) to Claim 14 , characterized in that - the environmental sensor (US), the system sensor (AS) and the correction unit (KE) are components of a common unit and in particular in a common housing (50) are housed or - the correction unit (KE) one of the environmental sensor (US) and the system sensor (AS) spatially separated, external correction unit (KE), preferably a central computer unit, in particular a cloud-based computer unit, a component of a rail vehicle-side control device or a component of a trackside component of the railway system (10), in particular a signal box, a control center, a train control system, a control and safety system or a control and safety system including Zugbeeinflussungssystem, or - the distance between the system sensor (AS) and the correction unit (KE) both smaller than the distance between the system sensor (AS) and the environmental sensor (US) as well as smaller a Is the distance between the correction unit (KE) and the environmental sensor (US).

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