EP3835170B1 - Système d'alerte de groupe doté d'une pluralité de terminaux pour membres du groupe et son procédé de fonctionnement - Google Patents

Système d'alerte de groupe doté d'une pluralité de terminaux pour membres du groupe et son procédé de fonctionnement Download PDF

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Publication number
EP3835170B1
EP3835170B1 EP19214711.4A EP19214711A EP3835170B1 EP 3835170 B1 EP3835170 B1 EP 3835170B1 EP 19214711 A EP19214711 A EP 19214711A EP 3835170 B1 EP3835170 B1 EP 3835170B1
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Prior art keywords
terminals
warning system
signal
crew
crew warning
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EP19214711.4A
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German (de)
English (en)
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EP3835170A1 (fr
Inventor
Jens Braband
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Siemens Mobility GmbH
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Siemens Mobility GmbH
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    • 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
    • B61L23/06—Control, warning or like safety means along the route or between vehicles or trains for warning men working on the route

Definitions

  • the invention relates to a rot warning system according to claim 1.
  • the invention also relates to a method for operating a rot warning system according to claim 11.
  • the object of the invention is therefore to improve a rot warning system of the type specified at the outset so that it works with improved functional reliability. Ideally, this should be associated with the lowest possible additional costs. Furthermore, it is an object of the invention to provide a method according to which a gang warning system works with greater functional reliability.
  • the terminal devices that are still functional can be used advantageously to alert at least one other member of the group to a malfunction.
  • This is done by outputting an error signal, which contains at least the fact of the existence of a malfunction as information content.
  • the error signal also contain information to identify the error or the identification of the faulty terminal device in question.
  • each of the terminal devices establish a communication connection with each other for the purpose of carrying out monitoring. This is then used to transmit the signal relating to functionality.
  • each of the terminal devices has a corresponding interface. This can be used to transmit the error signal to other end devices or a central facility.
  • the terminal devices are combined into device groups of at least two devices, with the terminal devices of the device groups being set up to be carried together as equipment by a track worker.
  • each track worker carries several terminal devices with him. This advantageously creates redundancy. So if a terminal device fails, the track worker will definitely be warned by the terminal device that is still working.
  • terminal devices can also be used that are inexpensive to purchase, since the functional reliability of the individual terminal devices does not have to be at the safety standard for railway applications.
  • the invention therefore focuses on the security of the integration of the end devices. Therefore, it is assumed that each worker wears at least two terminal devices, preferably on different parts of the body, e.g. B. on the wrist or integrated into clothing. It is also assumed that there is a central unit at the construction site which, for example, receives and processes the switch-on messages and which is connected to the terminal devices (at least some of them). For example, this central unit could be omitted and be designed with a switch-on point, because this could also take over this task. But then reliable communication over greater distances would be necessary and would have to be implemented in every device, e.g. B. 5G. In one variant, a control center could also act as a central unit and transmit emergency warnings directly to the construction site or end devices.
  • the terminal devices of each device group are designed to establish a communication connection with one another for the transmission of a signal relating to functionality.
  • This has the advantage that the end devices can monitor each other.
  • the end devices of a device group become significantly more reliable. Only a failure of all devices in a device group would lead to a critical condition in which one of the track workers can no longer be warned by the terminal devices.
  • this is set up to output the error signal through another terminal of the device group in the event of a disruption in the functionality of one of the terminal devices in the device group.
  • the error signal By coupling the terminal devices of a device group, it is advantageously possible for the error signal to be transmitted by the other or another terminal device that is fully functional. As a result, errors can also be output after they have been detected, which affect the output itself. Such an error could not be transmitted by the faulty terminal itself, or at least only to a limited extent.
  • the division of tasks according to the invention, such that terminal devices not involved in the error take over the transmission of the error signal advantageously further increases the overall security against malfunctions.
  • the crowd warning system is designed to generate an error signal when all terminal devices in a device group are without a communication connection to another terminal outside the device group and/or to the central unit.
  • the fact that the terminal devices are networked with each other and with the central unit is exploited. Even if the terminal devices themselves are fully functional, but a connection to terminal devices in another device group or the central processing unit is not possible, the function of the terminal devices in the affected group may be restricted. This is because they are no longer connected to the network that has been formed and therefore the transmission of signals is no longer possible without restrictions. In this case, a security gain can advantageously be achieved by also implementing such an error as an error signal.
  • the latter error can have various causes. For example, transmission can be prevented because a track worker is simply in an area with difficult reception. In this case, it is sufficient if the track worker changes location or, for example, the central unit is set up at a different location. However, the transmission can also be disrupted because the transmission electronics in one or more of the terminal devices are disrupted. This would be an error that can only be quickly remedied by replacing the end devices. For this purpose, for example, replacement devices can be provided with which the affected track worker can be equipped.
  • the terminal devices of a device group are each designed to be worn on different parts of the body.
  • this is advantageously a central unit that is directly assigned to the track workers in the crew.
  • This can, for example, be a portable device that the track workers set up in the area around their track work. This advantageously ensures good reception, so that communication between the terminal devices and the construction site headquarters, preferably via radio interfaces as communication connections, is reliably guaranteed.
  • Switch-on points detect the passing of a rail vehicle, and this fact is intended to trigger a warning to the crew that a train will soon pass the construction site.
  • These can be switch-on points that are placed on the route specifically for this purpose or switch-on points such as axle counters that are provided as standard for rail operations on the route.
  • the central unit can also be implemented by a control center.
  • Various data about train operations come together in the control center, which usually communicates with other components of the route network via a radio interface or cable connection. That is why it is also advantageously possible to connect the end devices of a group in order to implement a group warning system without any additional hardware expenditure.
  • the construction site control center is set up to output the proximity signal or an emergency warning signal (the emergency warning signal is a signal which can be output, for example, if a train approaches too quickly in order to stop the crowd to leave the construction site as quickly as possible).
  • the emergency warning signal is a signal which can be output, for example, if a train approaches too quickly in order to stop the crowd to leave the construction site as quickly as possible).
  • the construction site headquarters is advantageously a device that is located in the immediate vicinity of the working group. If this can also emit a signal (proximity signal or emergency warning signal), the probability that track workers will take notice of the signal increases. Even if all of a track worker's terminal devices fail or are not perceived by him, there is still a chance of perceiving the signal from the construction site headquarters. This increases the reliability against failure or non-perception of end devices, which advantageously leads to an increase in operational reliability.
  • the terminal devices are integrated into a communication network.
  • a communication network in the sense of the invention should be understood as a network in which the devices are connected to one another.
  • the terminal devices used by track workers can be networked with one another.
  • this increases security against failure because the communication connections between the end devices enable closer control.
  • the probability that a specific end device (or other device of the rotten warning system) cannot be reached via the communication connections due to a connection problem can also be reduced, since the probability that a device in the communication network always enables a connection increases.
  • At least some of the terminals are set up to transmit a clock signal to at least one other terminal as long as the functionality of the first-mentioned part of the terminals is ensured, with said at least one other terminal being set up to do so. to generate an error signal as soon as the expected clock signal is missing.
  • a lack of a clock signal from a specific end device is interpreted as a malfunction and leads to a warning message.
  • the end devices can monitor each other.
  • the absence of a clock signal causes the monitoring terminal to generate an error signal for the monitored terminal.
  • the devices in a device group can monitor each other. This means that a monitored device simultaneously becomes a monitoring device and vice versa.
  • Mutual monitoring can be carried out at least in pairs. However, it is also possible to carry out ring monitoring on three end devices, for example.
  • the crowd warning system is set up for this purpose, in addition to the proximity signal to process at least one further piece of status information relating to the rail vehicle, in particular the speed of the vehicle.
  • the possibility of evaluating status information relating to the rail vehicle using the crowd warning system advantageously creates the option of being able to better assess the behavior of the rail vehicle in question.
  • the rail vehicle is traveling at a speed that is too high for the situation at the track construction site, it poses a particular danger to the track workers. If they are warned about the approaching train in the usual way, they assume that they still have enough time to clear the construction site. However, this might not be enough if the train is traveling at excessive speed, so there is a risk of a track worker being hit by the moving train. If an emergency warning signal is issued in this case, the track workers know immediately that they have to clear the track construction site as quickly as possible.
  • this is set up to send an emergency warning signal to at least some of the terminal devices depending on the status information.
  • the emergency warning signal differs from the proximity signal in such a way that track workers can easily distinguish between them.
  • the emergency warning signal is therefore suitable for indicating an excessively dangerous situation, so that the track workers can react to it immediately without having to think about it for a long time.
  • a provision device for storing and/or providing the computer program product.
  • the provision device is, for example, a data storage medium that stores and/or provides the computer program product.
  • the provision device is, 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.
  • the provision is made, for example, as a download in the form of a program data block and/or command data block, preferably as a file, in particular as a download file, or as a data stream, in particular as a download data stream, of the complete computer program product.
  • This provision can, for example, also take place as a partial download, which consists of several parts and is downloaded in particular via a peer-to-peer network or provided as a data stream.
  • Such a computer program product is, for example, incorporated into a system using the provision device in the form of the data carrier reads in and executes the program commands so that the method according to the invention is executed on a computer or the creation device is configured in such a way that it produces the workpiece according to the invention.
  • FIG. 1 A rot warning system is shown.
  • a group according to Fig. 1 consists of four GLA track workers who carry out work on a ST route (not shown in detail).
  • the ST route can be used by FZ vehicles during construction work.
  • a crew warning system is therefore installed, which warns the GLA track workers in the event of danger.
  • a construction site control center BZT is provided, to which terminal devices E11, E12, E21, E22, E31, E32, E41, E42 are connected (indicated by a communication connection K4).
  • One of the mentioned terminal devices E11 ... E42 can be controlled via the communication connection K4 in order to warn the relevant track worker GLA, for example, of the approaching vehicle FZ.
  • the construction site control center BZT is also connected to a control center LZT via a communication interface K2 and/or to a switch-on point ESP via a communication connection K3.
  • the switch-on point ESP can also be connected to the control center LZT via a communication connection K1.
  • the FZ vehicle is also in communication connection K20 with the LZT control center.
  • the communication connections are established via radio by antennas AT (the antennas of the terminal devices E11 ... E42 are not shown in more detail).
  • a communication network KNW exists via the various communication connections K1 ... K4, which integrates each of the GLA track workers into the gang warning system. This advantageously creates redundancy, so that, for example, the failure of one of the terminal devices E11 ... E42 does not mean that the GLA track worker in question no longer receives any information, since he always carries a redundant device with him.
  • the communication connections K2 and K3 also enable redundancy in the transmission of essential information for the Rotten warning system. Not shown, but also possible, are direct connections between the terminal devices E11 ... E42 with the switch-on point ESP or the control center LZT.
  • Fig. 2 the interaction of the individual end devices E11 and E12 as well as E21 and E22 is shown in more detail.
  • the terminal devices E11 and E12 form a device group GG1, which is operated by the one track worker GLA (cf. Fig. 1 ) is carried and the terminal devices E21 and E22 result in a second device group GG2, which is carried by another track worker GLA.
  • each of the terminal devices mentioned has an output OT1, OT2, OT3, OT4, via which signals can be passed on to the track worker GLA.
  • These outputs can be optical (e.g. warning light), haptic (e.g. vibration alarm) or acoustic (e.g. loudspeaker).
  • the outputs OT1 ... OT4 can also represent electrical connections, to which a suitable output device can be connected.
  • a central unit ZEH is also shown.
  • This can be, for example, the construction site headquarters according to BZT Fig. 1 , the control center LZT according to Fig. 1 or a switch-on point according to ESP Fig. 1 act.
  • Several of the terminal devices E11 ... E22 are connected to the central unit ZEH via the communication connections K6, K8, K9 to the central unit ZEH.
  • This can also have an output OT5, via which said signals, i.e. an error signal, a proximity signal or an emergency warning signal, can be output. This creates additional redundancy because the GLA track workers can also be warned by the central unit ZEH itself if all of a GLA track worker's terminal devices fail.
  • the function of the device group GG1 differs from the device group GG2.
  • the terminal E11 is connected to the central unit ZEH (communication connection K6).
  • the terminal devices E21 and E22 represent equal devices in terms of their function. Both devices can output a signal (outputs OT3, OT4) and are both connected to the central unit ZEH (communication connections K8 and K9). In addition, the two terminal devices E21 and E22 also communicate with each other via a communication connection K7, so that, for example, the failure of one terminal device can be detected by the other and reported to the central unit ZEH. Networking the end devices of the different device groups GG1, GG2 with each other brings an additional security gain. This is achieved via a communication connection K10, so that it is also possible, for example, that the terminal E21 can report to the central unit ZEH via the communication connection K8 that the communication device E11 has failed, since this is not guaranteed by the terminal E12.
  • Fig. 3 is the procedure for operating the rot warning system Fig. 2 shown in more detail. Therefore, the terminal devices E21, E22 of the device group GG1 and the central unit ZEH were indicated by dash-dotted lines so that it is clear which process steps can be carried out by which of the devices.
  • the terminals E21 and E22 carry out the same procedure in parallel, so this will only be explained once.
  • the terminals E21, E22 After the START of the method, the terminals E21, E22 generate a clock signal TS, which is activated at regular intervals, for example every ten seconds.
  • the other terminal device E21, E22 is then supplied with the clock signal TS. If the clock signal TS of the terminal E21 fails, this can be determined in a query step by the terminal E22 and vice versa.
  • the query is made about the presence of the clock signal TS. If this is present, the determining terminal is caused to generate a further clock signal TS for the other terminal. Remains the clock signal is off, an error signal FS1, FS2 is output.
  • This error signal can be output both to the affected track worker GLA of the device group GG2 and to the central unit ZEH.
  • the track worker GLA therefore knows that at least one of the terminal devices has failed.
  • the central unit ZEH can first start a query as to whether both the terminal E21 has output an error signal FS1 of the malfunction of the terminal E22 and the terminal E22 has output an error signal FS2 of the malfunction of the terminal E21. If this is the case, a warning signal WS is immediately issued and the track work is suspended in the next step STOP, as there is a potential danger to the affected track worker GLA and the work on the ST route must therefore be interrupted.
  • a repair signal RS can be sent by the central unit ZEH so that this condition is remedied.
  • the track work does not have to be interrupted because the track worker GLA is still protected by the other terminal device E21, E22.
  • an input IN can be sent to the central unit ZEH in response, for example if a replacement device is available and this should be communicated to the track worker GLA.
  • Further inputs IN can be given to the central unit ZEH, for example in the form of approaching trains.
  • the ZEH central unit is asked whether there is an increased risk situation (DNG risk comparison). This is e.g. B. given when a vehicle FZ approaches the construction site at too high a speed.
  • an emergency warning signal WS is triggered. This will e.g. B. via the communication connection K4 (cf. Fig. 1 , in Fig. 3 not shown) passed on to the terminals E21, E22.
  • the construction site must be cleared immediately. In the event that the train approaches in the usual way, only an approach signal AS is sent in the same way to the terminals E21, E22 passed on, with the GLA track workers being warned in this case and clearing the construction site as soon as this becomes necessary.
  • FIG. 4 An exoskeleton EXS is shown, which has cuffs MS for attachment to the body of the track worker GLS (not shown) and joints GL to support the movement of the track worker.
  • the EXS exoskeleton is equipped with various terminal devices for issuing error signals, proximity signals and emergency warning signals.
  • the terminal devices are E12 terminal devices, which are arranged as warning lights near the track worker's wrists.
  • a terminal E13 which represents a vibration detector, which is arranged on the EXS exoskeleton in such a way that it rests on the upper arm of the track worker.
  • the E14 terminals are located in the area of the shoulders of the EXS exoskeleton, which consist of loudspeakers that can emit an acoustic warning signal near the track worker's ears.
  • a watch is shown as a further terminal E11, which can be worn on the track worker's wrist.
  • the terminal devices are to be used according to the invention as personal devices (PD) to increase security and flexibility.
  • PD personal devices
  • the problem to be solved here is that the terminal devices must be perceived by the track worker as quickly as possible when an error signal or proximity signal or emergency warning signal is issued.
  • a personal device such as a smartwatch (e.g. vibrating alarm) worn on a thick jacket may not be noticed by staff.
  • a solution is to be outlined that preferably works with commercially available devices (COTS, Commercial off-the-shelf) and integrates them partially or completely into exoskeletons.
  • COTS Commercial off-the-shelf
  • the solution is not limited to railway applications, but can Can be used anywhere where personnel work in hazardous areas.
  • the advantage is that exoskeletons fit closely to the body, at least in certain areas, and have a direct functional benefit, i.e. they cannot be easily forgotten or discarded. This advantageously ensures that the track worker (or employee) can always be reached effectively with the warning signals mentioned.
  • the inventive step is to integrate the PD, particularly its actuator, into the exoskeleton.
  • the main advantage is increased safety, as the exo-skeleton cannot be forgotten as easily as a single PD.
  • the actuator is closer and better positioned to the body.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Alarm Systems (AREA)

Claims (14)

  1. Système d'alerte de groupe, comportant
    • une pluralité de terminaux (E11 ... E42), qui sont agencés pour être portés comme armement par un ouvrier (GLA) de voie,
    • une unité (ZEH) centrale, qui est agencée pour établir une liaison (K1, K2, ...) de communication avec chacun des terminaux (E11 ... E42),
    dans lequel les terminaux (E11 ... E42) sont rassemblés en des groupes (GG1, GG2) d'appareils d'au moins deux appareils,
    dans lequel les terminaux (E11 ... E42) de respectivement l'un des groupes (GG1, GG2) d'appareils sont agencés pour être portés comme armement conjointement par un ouvrier (GLA) de voie,
    caractérisé
    en ce que
    • les terminaux (E11 ... E42) de respectivement un groupe (GG1, GG2) d'appareils sont conçus pour établir entre eux une liaison (K7) de communication de transmission d'un signal (FFS) concernant l'aptitude à fonctionner des terminaux afin d'identifier des perturbations de fonctionnement de terminaux individuels,
    • tous les terminaux (E11 ... E42) sont agencés pour envoyer à l'unité (ZEH) centrale, dans le cas d'une perturbation de l'aptitude à fonctionner de terminaux individuels, un signal (FS1, FS2) de défaut.
  2. Système d'alerte de groupe suivant la revendication 1,
    caractérisé
    en ce que celui-ci est agencé pour envoyer, dans le cas de la perturbation de l'aptitude à fonctionner de l'un des terminaux (E11 ... E42) du groupe (GG1, GG2) d'appareils, le signal (FS1, FS2) de défaut par un autre terminal (E11 ... E42) du groupe (GG1, GG2) d'appareils.
  3. Système d'alerte de groupe suivant l'une des revendications précédentes,
    caractérisé
    en ce que le système d'alerte de groupe est conçu pour produire le signal (FS1, FS2) de défaut, si tous les terminaux (E11 ... E42) d'un groupe (GG1, GG2) d'appareils sont sans liaison (K1, K2, ...) de communication avec un autre terminal (E11 ... E42) à l'extérieur du groupe (GG1, GG2) d'appareils et/ou avec l'unité (ZEH) centrale.
  4. Système d'alerte de groupe suivant l'une des revendications précédentes,
    caractérisé
    en ce que les terminaux (E11 ... E42) de respectivement un groupe (GG1, GG2) d'appareils sont conçus pour être portés sur des parties différentes du corps.
  5. Système d'alerte de groupe suivant l'une des revendications précédentes,
    caractérisé
    en ce que l'unité (ZEH) centrale est
    • une centrale (BZT) de chantier, qui est agencée pour recevoir un signal (AS) de proximité d'un véhicule (FZ) ferroviaire se rapprochant du chantier, ou
    • un point (ESP) d'enclenchement, qui est agencé pour produire un signal (AS) de proximité, lors du passage d'un véhicule (FZ) ferroviaire, ou
    • une centrale (LZT) de commande, qui est agencée pour indiquer, par un signal (AS) de proximité, des véhicules (FZ) ferroviaires se rapprochant du chantier.
  6. Système d'alerte de groupe suivant la revendication 5,
    caractérisé
    en ce que la centrale (BZT) de chantier est agencée pour envoyer le signal (AS) de proximité.
  7. Système d'alerte de groupe suivant l'une des revendications précédentes,
    caractérisé
    en ce qu'au moins une partie des terminaux (E11 ... E42) est intégrée dans un réseau (KNW) de communication.
  8. Système d'alerte de groupe suivant l'une des revendications précédentes,
    caractérisé
    en ce qu'au moins une partie des terminaux (E11 ... E42) est agencée pour transmettre un signal (TS) d'horloge à au moins un autre terminal (E11 ... E42) tant qu'il y a l'aptitude à fonctionner de la partie mentionnée en premier des terminaux (E11 ... E42), dans lequel ledit au moins un autre terminal (E11 ... E42) est agencé pour produire un signal (FS1, FS2) de défaut, dès l'absence du signal (TS) d'horloge escompté.
  9. Système d'alerte de groupe suivant la revendication 5,
    caractérisé
    en ce que celui-ci est agencé pour traiter, outre le signal (AS) de proximité, au moins un autre signal d'état concernant le véhicule (FZ) ferroviaire, en particulier la vitesse du véhicule (FZ) ferroviaire.
  10. Système d'alerte de groupe suivant la revendication 9,
    caractérisé
    en ce que celui-ci est agencé pour, en fonction de l'information d'état, envoyer un signal (WS) d'alerte d'urgence à au moins une partie des terminaux (E11 ... E42).
  11. Procédé pour faire fonctionner un système d'alerte de groupe, dans lequel
    • on utilise une pluralité de terminaux (E11 ... E42), dans lequel ceux-ci sont portés comme armement par des ouvriers (GLA) de voie,
    • une unité (ZEH) centrale établit une liaison (K1, K2, ...) de communication avec chacun des terminaux (E11 ... E42),
    dans lequel les terminaux (E11 ... E42) sont rassemblés en des groupes (GG1, GG2) d'au moins deux appareils,
    dans lequel les terminaux (E11 ... E42) de respectivement l'un des groupes (GG1, GG2) d'appareils sont agencés pour être portés comme armement conjointement par un ouvrier (GLA) de voie,
    caractérisé
    en ce que les terminaux (E11 ... E42)
    • établissent entre eux une liaison (K7) de communication pour la transmission d'un signal (FFS) concernant l'aptitude à fonctionner des terminaux,
    • dans le cas d'une perturbation de l'aptitude à fonctionner de terminaux individuels, envoient à l'unité (ZEH) centrale un signal (FS1, FS2) de défaut pour l'identification de perturbations du fonctionnement de terminaux individuels.
  12. Procédé suivant la revendication 11,
    caractérisé
    en ce que l'on utilise dans celui-ci un système d'avertissement de groupe suivant l'une des revendications 1 à 10.
  13. Produit de programme d'ordinateur comprenant des instructions de programme pour effectuer le procédé suivant l'une des revendications 11 ou 12.
  14. Dispositif de mise à disposition du produit de programme d'ordinateur suivant la revendication 13, le dispositif de mise à disposition mettant en mémoire et/ou mettant à disposition le produit de programme d'ordinateur.
EP19214711.4A 2019-12-10 2019-12-10 Système d'alerte de groupe doté d'une pluralité de terminaux pour membres du groupe et son procédé de fonctionnement Active EP3835170B1 (fr)

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