EP1674370B1 - Installation for protecting track workers - Google Patents

Installation for protecting track workers Download PDF

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Publication number
EP1674370B1
EP1674370B1 EP05292630A EP05292630A EP1674370B1 EP 1674370 B1 EP1674370 B1 EP 1674370B1 EP 05292630 A EP05292630 A EP 05292630A EP 05292630 A EP05292630 A EP 05292630A EP 1674370 B1 EP1674370 B1 EP 1674370B1
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EP
European Patent Office
Prior art keywords
control terminal
control
zone
command
management unit
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EP05292630A
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German (de)
French (fr)
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EP1674370A1 (en
Inventor
Matthieu Merlin
Dominique Burton
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Alstom Belgium SA
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Alstom Belgium SA
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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

  • intervention zones must be secured, ie the signaling of the rail network and the means of train routing should prevent the trains from accessing the area of intervention.
  • a PLC manages the traffic control devices, such as lights and the position of the switches.
  • traffic control devices such as lights and the position of the switches.
  • one or more control terminals of the PLC are positioned along the intervention zone. These control terminals are commonly called “button boxes”. These are terminals comprising a set of lockable switches and lights that can be completed by a telephone device. These control terminals are arranged along the path and are connected to the controller by a wired network or an optical fiber network.
  • Each button box has at least one switch for controlling the setting of the associated zone.
  • the switch control member is immobilisable in position, for example with a padlock which only the person in charge of the area intervention has the key. Thus, no person can release the area and allow the passage of a train without having the key.
  • padlocks can be installed on the same controller of a switch, so that several people can guarantee security on the zone for their own account.
  • buttons boxes provide effective safety on the work areas. However, they require the presence of a wired or optical communication network along the railways, and in particular in the work zone. In addition, the button boxes must be physically located along the path, possibly with the establishment of a communication network if it is not already present, which considerably increases the cost of interventions on the railway.
  • the purpose of the invention is to propose a rail traffic management facility enabling certain areas of intervention to be made safe, in particular for work that may be of reduced installation and implementation cost, while to provide high security to the track workers in secure areas, avoiding train access.
  • the subject of the invention is a protective installation for workers on track on a zoned railway network according to the features of claim 1.
  • the railway network illustrated on the figure 1 comprises a set of channels communicating with each other via track devices such as switches.
  • two main tracks 12, 14 are connected to each other by connecting sections 16A, 16B, 16C, 16D, each connected to the main tracks 12 and 14 respectively by switches 18A, 18B, 18C, 18D and 20A, 20B, 20C, 20D.
  • the network is associated with a traffic management installation 22 comprising a centralized controller 30 for managing traffic control devices.
  • this automaton is connected, by any appropriate means, in particular a wired data transmission network 30A, to various traffic control devices, such as traffic lights or information panels 31, or path modifiers such as turnouts 18A, 18B, 18C, 18D; 20A, 20B, 20C and 20D.
  • the centralized controller 30 is able to implement the traffic rules defined for traffic management, and in particular to ensure the routing of the trains, and the control of the traffic control organs to ensure this routing.
  • the installation 22 integrates a facility for the protection of workers on the way.
  • the latter comprises at least one control terminal 32 offset along the railway network.
  • This terminal is able to control the safety of an intervention zone by action on the centralized controller 30.
  • the zones are defined beforehand during the design of the railway network and consist of a reduced section of the network.
  • the protection system can be effective even in areas not yet equipped during brief traffic interruptions.
  • This installation 22 further comprises, according to the invention, a unit 34 for managing access to the controller 30 from the control terminal 32.
  • This unit is suitable for authorizing the control of the PLC from the or each control terminal 32.
  • the installation comprises a communication interface 36, composed of a wireless transceiver for example compatible with the GSM standard capable of communicating with each terminal 32 and an ETHERNET communication module through which the interface 36 is connected. to the access management unit 34.
  • Each terminal 32 comprises wireless communication means 38A for providing bidirectional communication between the control terminal 32 and the access management unit 34 through the interface 36.
  • the control terminal 32 consists of a portable device such as a personal digital assistant known by the acronym PDA equipped with a man-machine interface such as a screen 38B and an input keyboard 38C, and storage means and 38D information processing. It is particularly suitable for receiving, from the wireless network, information on the network, requests and reports of operations.
  • PDA personal digital assistant
  • man-machine interface such as a screen 38B and an input keyboard 38C
  • storage means and 38D information processing is particularly suitable for receiving, from the wireless network, information on the network, requests and reports of operations.
  • the installation 22 comprises a central management station 40 comprising man-machine interfaces for controlling the network and means for planning the routes of the trains.
  • This central management station 40 is connected to the controller 30 to directly address commands and receive information representative of the state of the network.
  • the figure 2 schematically illustrates the stakeholders with their rights and responsibilities on the management facility. These rights are allocated to people as and when they are requested and are not predefined in the installation.
  • Each zone like the entire network, is under the responsibility of a central control operator 60.
  • This operator is based at central management station 40 and is in charge of authorizing or not allowing certain areas of intervention to be secured.
  • a zone owner 62 is in charge of managing one or more emergency zones. It is equipped with a control terminal 32 and can act from it for the areas for which it is responsible. The owner of an area is one of the track workers in the area.
  • the owner of a given area may be the same person who has responsibility for several areas including the area.
  • trackworkers may become responsible for the area and / or certain points in the area while the area has an owner.
  • the managers can then act on the installation, through a control terminal 32 which they are equipped to allow certain operations of movement of trains in the area where they are assigned, while ensuring their safety.
  • a master user or super-user noted 66 has the ability to act on all functions of the installation and thus replace an owner or a zone manager in case of failure thereof.
  • the traffic management facility provides four distinct logical states illustrated on the figure 3 for each possible area of intervention. These states are managed by the controller 30 and / or by the access management unit 34.
  • each zone is, at every moment, characterized by a state.
  • normal In a first state called normal ("normal"), the zone is not secured and therefore does not allow the access of railway workers.
  • This state corresponds to a normal operating state of the network in which the trains are likely to pass unhindered this zone according to the routing predefined by the controller 30.
  • the state immediately underlying the given state (“given") is the so-called possessed state. This state can be reached on the control of a track worker from his control terminal 32, if the zone was previously in the given state ("given"). The track worker then becomes the owner.
  • a last state underlying the possessed state is the blocked state. This state can be reached and released, under the control of a track worker from his control terminal 32. The track worker then becomes responsible for the area.
  • inhibited states can coexist for the same zone, each state being linked to a manager.
  • the manager can act on certain points, to change their position.
  • the normal (“normal”), given (“given”), and possessed (“possessed”) states are handled by the controller 30 while the "block” state is managed only by the management unit 34.
  • the inhibited state (“block”) can only exist if the possessed state is active for the automaton for the zone considered.
  • the zone can not move from the possessed state to the given state.
  • the state of a zone is defined by a token circulating between the different states, successively from one level to another, knowing that the states are ordered as illustrated on the figure 3 following the normal order ("normal"), given (“given"), possessed ("possessed”) and inhibited (“block”).
  • each switch constituting a traffic control member 18A, 18B, 18C, 18D, 20A, 20B, 20C, 20D is characterized by a clean state that can be "locked” or "unlocked".
  • the traffic control bodies are formed only by switches.
  • Any switching of the network in an "unlocked” state can be switched by direct action on it from a control terminal 32, under certain conditions, if the zone containing this switch is in the blocked inhibited state ("block").
  • a step 100 of opening a session is implemented.
  • an appropriate interface is available on the control terminal 32. From this interface, the user enters his identifier and an authentication means for example a password of its own. II then selects an access management unit 34. This information is transmitted to the selected access management unit.
  • the access management unit 34 In response, if the identifier and the authentication means are correct, the access management unit 34 returns to the control terminal 32 a description of the intervention zones and switches supervised by the access management unit. , and in particular their current states.
  • the track worker informs in step 102 on the control terminal 32 an identifier of the area on which he wishes to apply the command.
  • this identifier is chosen from a menu displayed on the terminal. Alternatively, it is entered by the keyboard or is read directly on a panel physically present on the area, for example using a barcode reader.
  • step 104 a command is chosen from the control terminal, in particular by selection in a menu.
  • the different commands available are detailed below. These commands notably allow a change of state of a zone of intervention, or the actuation of a switch.
  • this command as well as the zone identified in step 102, are transmitted by radio, and in particular by the GSM network, to the interface 36, which echoes this identification of the zone and control at the access control unit 34.
  • step 108 the access management unit 34 determines from the current state of the zone considered, and information provided by the controller 30, whether or not the command can be executed.
  • the order is rejected in step 110 by sending from a rejection message to the control terminal 32.
  • This message is displayed at the step 112 to warn the user of the control terminal 32.
  • step 108 if the command is accepted in step 108, a prior agreement message is sent, in step 114, to the control terminal 32. Likewise, a confirmation request 116 is sent from the unit management 34 to the control terminal 32.
  • This confirmation request corresponds to the request to the user of a new formulation of his order, new formulation which must be performed according to a semantics distinct from that of the first command, all having an identical meaning.
  • step 118 the lane operator enters in the control terminal 32 his confirmed command, which is sent to the management unit 34.
  • a concordance test between the initial command and the confirmed command is made in step 120.
  • steps 110 and 112 are implemented.
  • the command is executed at step 122.
  • step 124 a new description of the network taking into account the application of the command and containing the current state of the points and zones supervised by the access management unit 34 is returned to the control terminal 32.
  • the commands available from the control terminal 32 and adapted to be implemented by the access management unit 34, either directly or via the controller 30, are as defined below.
  • This command is executed according to the algorithm of the figure 4 , from a double entry of the order. It allows the passage of the zone considered from the given state ("given") to the possessed state ("possessed"). Thus, this command is only possible if the initial state of the zone is given (“given"), a state that can only be reached under the control of the central control operator from the central management station 40.
  • the access management unit 34 when receiving a "take an area” command sends the controller 30 configuration parameters enabling the defined area to be isolated from the rest of the traffic, as is known per se. .
  • the track worker who made this order becomes the owner of the area.
  • Block an area 2 - Block an area
  • This command is implemented by the algorithm of the figure 4 . It allows the passage from the identified zone of the possessed state to the inhibited state ("block").
  • This command has no other action on the controller 30. It is managed locally by the access management unit 34 and only ensures the transfer of the token to the inhibited state ("block"). This token can only be released on a reverse command from the only track worker who made the command to block the zone.
  • the track worker who has blocked the area becomes responsible for the area.
  • This command is only available for a track worker who is responsible for the area in which the switch is located.
  • control terminal 32 When choosing this command, for a given zone, the control terminal 32 interrogates the access management unit 34 to obtain the state of the zone.
  • the switch that must be controlled is defined from the control terminal 32 by entering an identifier of the switch considered. From the interface, the track worker selects, on the control terminal, the desired movement for the switch. As illustrated on the figure 4 , the movement of the switch is confirmed by formulating a confirmed request and, only in the case of a match, the switch is actually controlled.
  • Block a point (block a point)
  • This command is accessible only for a track worker who is responsible for the area in which the switch is located.
  • This command is only possible for switching a zone that is in the "blocked" state.
  • the lane operator After defining a switch to be passed to the "blocked” state, by input from the control terminal 32 of its identifier, the lane operator enters a blocking command of this switch and confirms it by sending an order corresponding confirmed, according to the algorithm of the figure 4 . After that, the access management unit 34 modifies the state of this switch to the "blocked” state, so that no "operate points locally” command can be applied to this switch.
  • This command performs the reverse operation of the command block a "block to point" turnout.
  • the unblocking of a switch can only be done by the responsible track worker who has previously blocked the switch.
  • This command is only accessible for a zone manager who has made an order to block the area ("block an area"). It corresponds to the inverse operation of the block an area command.
  • This command is only available for a zone owner. It corresponds to the command inverse to the command take a zone ("take an area").
  • the access control unit 34 is adapted to pass the token from the possessed state to the given state only if the state of the area is initially possessed. and that no switch is in a "blocked" state.
  • This command allows a lane worker to take the place of another lane worker who owns a zone or switch to control a state of an area or a switch, by taking over imposed states and becoming the only one to allow the modification of these states imposed by the previous owner.
  • control terminals of the two operators and the management unit 34 provide a communication for reassigning to each state initially associated with the identifier of the initial operator the identifier of the replacing operator.
  • This command is accessible only by a master user, in case of failure of a track worker equipped with a portable terminal 32.
  • This function allows the system to disable a terminal from its identifier if it is under repair or stolen to prevent access to the system to unauthorized persons who may benefit from the immobilization of this terminal to study and hack the system.
  • This command is accessible only by a master user 66, in the event of a worker's failure.
  • the master user verifies that the security conditions are met on the zone before implementing this command.
  • This command allows the token to pass from the possessed state to the given state under the control of the master user, without the zone owner's consent. This command is done by the double entry procedure illustrated on the figure 4 .
  • This command is accessible only by a master user 66, in the event of a worker's failure.
  • the master user verifies that the security conditions are met on the zone before implementing this command.
  • This command allows the token to change from the "block” state to the "possessed” state under the control of the master user, without the owner's agreement.
  • This command is done by the double entry procedure illustrated on the figure 4 .
  • the following example describes, on the basis of the network section of the figure 1 , the state changes of certain zones for the execution of work by explaining the various commands addressed from their control terminal by the operators present to the access management unit.
  • the track worker in charge of the work first visually checks intervention zone A. After that, he asks verbally, for example by a call from a mobile telephone, to the central control operator 60 to toggle the intervention zone A from its normal state ("normal") to the given state ("given").
  • the access control unit 34 controls the controller 30 for the establishment of border security measures for the intervention zone A.
  • the automaton switches and locks all the switches concerned, in a position such that no movement of the train is possible from and to the intervention zone A.
  • the implementation of border security measure is only optional, and this whenever it is referred to.
  • the state of the zone becomes "given".
  • Predetermined temporary speed restriction measures are advantageously applied to the sections of track adjacent to the intervention zone A. Such measurements are however optional.
  • the change of state of the intervention zone considered is returned to the control terminals for information.
  • a report is sent to the central control operator 60.
  • the lane worker can take possession of the zone by switching it to its possessed state. He then becomes the owner. To do this, this one, according to the algorithm of the figure 4 , identifies the zone and controls the change of state from its control terminal.
  • the track workers in charge of the work in the intervention zone A are then able to switch the zone into the "block” state from the "block an area” command sent from their control terminals.
  • a lanekeeper takes local responsibility for the area by becoming one of the leaders and this area can be rendered by the "give back" command.
  • the person in charge is then in charge of letting the necessary trains to work in the zone.
  • the manager contacts the central control operator 60 to request the deactivation of the border security measures.
  • the manager can then locally control a switch by the command "operate points locally" from its control terminal 32.
  • the person in charge In order to prevent other track workers on the site from moving the same switch, the person in charge first blocks the switch with the "block a point" command. Such a command is for example applied to the switch 20B.
  • the train After execution, the train enters the intervention zone A after which, the manager unblocks the switch that he previously ordered from the command "unblock a point".
  • Central Control Operator 60 reinstates the border security measures.
  • the intervention zone B can be successively passed on to the possessed state by the owner and then in the blocked state by a track worker of this zone as illustrated on the Figure 6 .
  • the train may proceed to Intervention Area B after the Area B Officer agrees.
  • the intervention zone A can then be released. For this release, the person in charge of zone A ensures that no laneworker is no longer present in intervention zone A. He then orders the passage from the zone to the possessed state. from its control terminal by the "unblock an area” command. After that, the owner is able to control the passage from the possessed area to the given state by implementing the "give back an area” command from his control terminal 32. The central control operator 60 then switches the zone A to its normal ("normal") state, in particular by deactivating the border security measures.
  • Zone A is then again accessible to railway traffic, possibly with speed restrictions because of the work taking place in intervention zone B as illustrated on the Figure 7 .
  • railway traffic management facility allows, by the implementation of control terminals associated with the various stakeholders, which are in communication via a wireless link with the access management unit 34, that different zones can be secured in a simple manner without the need to pre-wire the area to connect button boxes.
  • the order confirmation protocol associated with successive states for each zone ensures a high degree of safety of the track workers.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Details Of Aerials (AREA)
  • Socks And Pantyhose (AREA)
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  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Details Of Garments (AREA)
  • Alarm Systems (AREA)

Abstract

The installation has a control terminal (32) to control security level of an intervention zone, by acting on a centralized automaton (30). A unit (34) managing access to the automaton, is connected to the terminal by a communication interface (36) and a wireless communication unit (38A). The unit (34) assures control of the automaton based on controls from the terminal, only after receiving a confirmation control from the terminal.

Description

La présente invention concerne une installation de protection des travailleurs de voie sur un réseau ferroviaire découpé en zones, du type comportant :

  • un automate centralisé de gestion des organes de régulation du trafic ;
  • au moins un terminal de commande déporté le long du réseau propre à commander le niveau de mise en sécurité d'une zone du réseau par action sur l'automate centralisé; et
  • des moyens de liaison du ou de chaque terminal de commande à l'automate.
The present invention relates to an installation for protecting track workers on a zoned railway network, of the type comprising:
  • a centralized automaton for managing the traffic control organs;
  • at least one remote control terminal along the network capable of controlling the level of security of an area of the network by action on the centralized controller; and
  • means for connecting the or each control terminal to the automaton.

Lors de phases d'entretien, de modifications ou de mouvements de manoeuvre des réseaux ferroviaires, il est nécessaire que des ouvriers interviennent sur les voies. Les zones d'intervention doivent être mises en sécurité, c'est-à-dire qu'il convient que la signalisation du réseau ferroviaire, ainsi que les moyens de routage des trains interdisent aux trains d'accéder à la zone d'intervention.During maintenance phases, modifications or movements of railway networks, it is necessary for workers to intervene on the tracks. The intervention zones must be secured, ie the signaling of the rail network and the means of train routing should prevent the trains from accessing the area of intervention.

Il est important que les zones d'intervention mises en sécurité ne puissent pas être modifiées ou libérées sans information des personnels en ayant la charge. En effet, en cas de telles modifications ou libérations, les ouvriers qui se croient être en sécurité puisque dans une zone qu'ils avaient définie comme inaccessible aux trains, pourraient se voir surpris par le passage d'un train.It is important that the safe intervention areas can not be changed or released without informing the staff in charge. Indeed, in case of such modifications or releases, workers who believe they are safe because in an area they had defined as inaccessible to trains, could be surprised by the passage of a train.

Des installations de protection des travailleurs existent déjà pour permettre la mise en sécurité de certaines zones d'intervention.Worker protection facilities already exist to ensure the safety of certain areas of intervention.

En effet, il est connu notamment par le document EP 1 308 366 un appareil de protection de travailleurs localisé sur un réseau ferroviaire en travaux. Par ailleurs, il est connu notamment par le document EP 0 286 627 un dispositif d'alerte d'équipes de voie protégées par des moyens de signalisation. En outre, il est connu par le document WO 20051047074 une installation de protection des travailleurs sur un réseau ferroviaire découpé en zones.Indeed, it is known in particular by the document EP 1 308 366 a worker protection device located on a rail network under construction. Moreover, it is known in particular by the document EP 0 286 627 an alert device for track teams protected by signaling means. In addition, it is known from the document WO 20051047074 a worker protection facility on a zoned rail network.

Dans ces installations, comme dans tout réseau ferroviaire moderne, un automate assure la gestion des organes de régulation du trafic, tels que les feux et la position des aiguillages. Pour la mise en sécurité d'une zone d'intervention, un ou plusieurs terminaux de commande de l'automate sont positionnés le long de la zone d'intervention. Ces terminaux de commande sont couramment appelés "boîtes à boutons". II s'agit de terminaux comportant un ensemble de commutateurs verrouillables et de voyants lumineux pouvant être complétés par un dispositif téléphonique. Ces terminaux de commande sont disposés le long de la voie et sont reliés à l'automate par un réseau filaire ou un réseau de fibres optiques.In these facilities, as in any modern rail network, a PLC manages the traffic control devices, such as lights and the position of the switches. For the safety of an intervention zone, one or more control terminals of the PLC are positioned along the intervention zone. These control terminals are commonly called "button boxes". These are terminals comprising a set of lockable switches and lights that can be completed by a telephone device. These control terminals are arranged along the path and are connected to the controller by a wired network or an optical fiber network.

Chaque boîte à boutons comporte au moins un commutateur permettant de commander la mise en sécurité de la zone associée. Pour permettre le verrouillage du commutateur dans la position assurant la sécurité et interdisant donc l'accès des trains, l'organe de commande du commutateur est immobilisable en position, par exemple à l'aide d'un cadenas dont seul le responsable de la zone d'intervention dispose de la clé. Ainsi, aucune personne ne peut libérer la zone et permettre le passage d'un train sans disposer de la clé. Plusieurs cadenas peuvent être installés sur le même organe de commande d'un commutateur, de sorte que plusieurs personnes peuvent garantir la sécurité sur la zone pour leur propre compte.Each button box has at least one switch for controlling the setting of the associated zone. To allow the locking of the switch in the position ensuring safety and therefore preventing access trains, the switch control member is immobilisable in position, for example with a padlock which only the person in charge of the area intervention has the key. Thus, no person can release the area and allow the passage of a train without having the key. Several padlocks can be installed on the same controller of a switch, so that several people can guarantee security on the zone for their own account.

De telles boîtes à boutons permettent une sécurité efficace sur les zones de travaux. Toutefois, elles nécessitent la présence d'un réseau de communication filaire ou optique le long des voies ferrées, et notamment dans la zone de travaux. De plus, les boîtes à boutons doivent être physiquement implantées le long de la voie, éventuellement avec implantation d'un réseau de communication si celui-ci n'est pas déjà présent, ce qui augmente considérablement le coût des interventions sur la voie ferrée.Such button boxes provide effective safety on the work areas. However, they require the presence of a wired or optical communication network along the railways, and in particular in the work zone. In addition, the button boxes must be physically located along the path, possibly with the establishment of a communication network if it is not already present, which considerably increases the cost of interventions on the railway.

L'invention a pour but de proposer une installation de gestion du trafic ferroviaire permettant la mise en sécurité de certaines zones d'intervention, notamment pour des travaux qui puisse être d'un coût d'installation et de mise en oeuvre réduit, tout en permettant de procurer une sécurité élevée aux travailleurs de voie dans les zones sécurisées, en évitant l'accès des trains.The purpose of the invention is to propose a rail traffic management facility enabling certain areas of intervention to be made safe, in particular for work that may be of reduced installation and implementation cost, while to provide high security to the track workers in secure areas, avoiding train access.

A cet effet, l'invention a pour objet une installation de protection des travailleurs en voie sur un réseau ferroviaire découpé en zones selon les caractéristiques de la revendication 1.To this end, the subject of the invention is a protective installation for workers on track on a zoned railway network according to the features of claim 1.

Suivant des modes particuliers de réalisation, l'installation comporte l'une ou plusieurs des caractéristiques suivantes :

  • le ou chaque terminal de commande comporte des moyens d'identification d'une zone du réseau pour commander son niveau de mise en sécurité ;
  • l'unité de gestion des accès comporte des moyens d'évaluation de chaque commande transmise depuis un terminal de commande et des moyens pour, en cas d'accord sur la commande, requérir du terminal de commande ayant transmis la commande, une commande de confirmation correspondante, et l'unité de gestion des accès est adaptée pour assurer la commande de l'automate depuis le terminal de commande seulement après réception de la commande de confirmation correspondante depuis le terminal de commande ;
  • la commande de confirmation correspondante à une commande d'origine consiste en une nouvelle formulation de la commande d'origine qui est effectuée suivant une sémantique différente de celle de la commande d'origine tout en ayant une signification identique ;
  • l'unité de gestion des accès et l'automate sont propres chacun à assurer la gestion d'états pour chaque zone du réseau, et en ce que ladite unité de gestion des accès est adaptée pour rendre accessible seulement certaines commandes depuis le ou chaque terminal de commande en fonction de l'état de la zone considérée ;
  • l'unité de gestion des accès est propre à assurer la gestion d'identifiants d'utilisateurs, et comporte des moyens d'identification de l'utilisateur du terminal de commande, et ladite unité de gestion des accès est propre à rendre accessible seulement certaines commandes depuis le ou chaque terminal en fonction de l'identifiant de l'utilisateur du terminal ;
  • les moyens de gestion des accès sont adaptés pour transmettre au terminal de commande une description du réseau indiquant le niveau de mise en sécurité de zones considérées après chaque commande de l'automate effectuée depuis ce terminal de commande, et le ou chaque terminal de commande comporte des moyens de réception d'une description transmise depuis les moyens de gestion d'accès et des moyens pour mettre à disposition de l'utilisateur la dernière description du réseau reçue ;
  • le ou chaque terminal de commande comporte des moyens de définition d'une commande propre à un organe de régulation du trafic particulier d'une zone du réseau notamment à un aiguillage et les moyens de gestion d'accès comportent des moyens pour faire exécuter ladite commande par l'automate centralisé;
  • lesdits moyens de communication entre le terminal de commande et l'unité de gestion des accès sont propres à assurer une communication sans fil ; et
  • le ou chaque terminal de commande comporte un identifiant, et l'installation comporte des moyens de désactivation de certains terminaux de commande en fonction de leur identifiant.
According to particular embodiments, the installation comprises one or more of the following features:
  • the or each control terminal comprises means for identifying an area of the network to control its level of security;
  • the access management unit comprises evaluation means for each command transmitted from a control terminal and means for, in case of agreement on the command, requiring the control terminal having transmitted the command, a confirmation command corresponding, and the access management unit is adapted to ensure the control of the controller from the control terminal only after receiving the corresponding confirmation command from the control terminal;
  • the confirmation command corresponding to an original order consists of a new formulation of the original order which is carried out according to a semantics different from that of the original order while having an identical meaning;
  • the access management unit and the controller are each adapted to state management for each zone of the network, and in that said access management unit is adapted to make accessible only certain commands from the or each terminal control depending on the state of the area;
  • the access management unit is capable of managing user identifiers, and comprises means for identifying the user of the control terminal, and said access management unit; is able to make accessible only certain commands from the or each terminal according to the identifier of the user of the terminal;
  • the access management means are adapted to transmit to the control terminal a description of the network indicating the level of security areas considered after each command of the controller made from the control terminal, and the or each control terminal comprises means for receiving a description transmitted from the access management means and means for making available to the user the last description of the received network;
  • the or each control terminal comprises means for defining a control specific to a particular traffic control member of a network area including a switch and the access management means comprise means for executing said command by the centralized automaton;
  • said communication means between the control terminal and the access management unit are suitable for providing wireless communication; and
  • the or each control terminal comprises an identifier, and the installation comprises means for deactivating certain control terminals according to their identifier.

L'invention sera mieux comprise à la lecture de la description qui va suivre, donnée uniquement à titre d'exemple et faite en se référant aux dessins, sur lesquels :

  • la figure 1 est une vue schématique partielle d'un réseau ferroviaire équipé d'une installation de protection des travailleurs en voie selon l'invention ;
  • la figure 2 est un schéma d'un ensemble de zones sécurisées d'un réseau illustrant les compétences des différents intervenants sur ces zones ;
  • la figure 3 est un organigramme illustrant les différents états possibles pour une zone sécurisée ;
  • la figure 4 est un organigramme illustrant les communications lors d'un changement d'état d'une zone sécurisée ; et
  • les figures 5, 6 et 7 sont des vues identiques à celle de la figure 1 montrant des phases successives de mise en sécurité de certaines zones du réseau.
The invention will be better understood on reading the description which follows, given solely by way of example and with reference to the drawings, in which:
  • the figure 1 is a partial schematic view of a railway network equipped with a worker protection installation in track according to the invention;
  • the figure 2 is a diagram of a set of secure areas of a network illustrating the skills of the different stakeholders in these areas;
  • the figure 3 is a flow chart illustrating the different states possible for a secure area;
  • the figure 4 is a flowchart illustrating communications during a change of state of a secure area; and
  • the figures 5 , 6 and 7 are views identical to that of the figure 1 showing successive phases of securing certain areas of the network.

Le réseau ferroviaire illustré sur la figure 1 comporte un ensemble de voies communiquant les unes avec les autres par l'intermédiaire d'appareils de voies tels que des aiguillages.The railway network illustrated on the figure 1 comprises a set of channels communicating with each other via track devices such as switches.

Plus précisément, deux voies principales 12, 14 sont reliées l'une à l'autre par des sections de liaison 16A, 16B, 16C, 16D, chacune reliée aux voies principales 12 et 14 respectivement par des aiguillages 18A, 18B, 18C, 18D et 20A, 20B, 20C, 20D.More specifically, two main tracks 12, 14 are connected to each other by connecting sections 16A, 16B, 16C, 16D, each connected to the main tracks 12 and 14 respectively by switches 18A, 18B, 18C, 18D and 20A, 20B, 20C, 20D.

Le réseau est associé à une installation 22 de gestion du trafic comportant un automate centralisé 30 de gestion des organes de régulation du trafic. Ainsi, cet automate est relié, par tout moyen approprié, notamment un réseau filaire 30A de transmission de données, à différents organes de régulation du trafic, tels que des feux ou des panneaux d'information 31 ou encore des organes de modification du trajet tels que les aiguillages 18A, 18B, 18C, 18D ; 20A, 20B, 20C et 20D.The network is associated with a traffic management installation 22 comprising a centralized controller 30 for managing traffic control devices. Thus, this automaton is connected, by any appropriate means, in particular a wired data transmission network 30A, to various traffic control devices, such as traffic lights or information panels 31, or path modifiers such as turnouts 18A, 18B, 18C, 18D; 20A, 20B, 20C and 20D.

L'automate centralisé 30 est propre à mettre en oeuvre les règles de circulation définies pour la gestion du trafic, et en particulier à assurer le routage des trains, et la commande des organes de régulation du trafic pour assurer ce routage.The centralized controller 30 is able to implement the traffic rules defined for traffic management, and in particular to ensure the routing of the trains, and the control of the traffic control organs to ensure this routing.

Selon l'invention, pour permettre la gestion du trafic, et notamment la mise en sécurité de certaines zones d'intervention, l'installation 22 intègre une installation de protection des travailleurs en voie.According to the invention, to allow the management of the traffic, and in particular the security of certain areas of intervention, the installation 22 integrates a facility for the protection of workers on the way.

Cette dernière comporte au moins un terminal de commande 32 déporté le long du réseau ferroviaire. Ce terminal est propre à commander la mise en sécurité d'une zone d'intervention par action sur l'automate centralisé 30. Les zones sont définies préalablement lors de la conception du réseau ferroviaire et sont constituées d'un tronçon réduit du réseau.The latter comprises at least one control terminal 32 offset along the railway network. This terminal is able to control the safety of an intervention zone by action on the centralized controller 30. The zones are defined beforehand during the design of the railway network and consist of a reduced section of the network.

L'installation de protection peut être efficace même sur des zones non encore équipées lors d'interruptions de trafic brèves.The protection system can be effective even in areas not yet equipped during brief traffic interruptions.

Cette installation 22 comporte en outre, selon l'invention, une unité 34 de gestion des accès à l'automate 30 depuis le terminal de commande 32. Cette unité est propre à assurer l'autorisation de la commande de l'automate depuis le ou chaque terminal de commande 32.This installation 22 further comprises, according to the invention, a unit 34 for managing access to the controller 30 from the control terminal 32. This unit is suitable for authorizing the control of the PLC from the or each control terminal 32.

L'installation comprend une interface de communication 36, composée d'un émetteur-récepteur sans fil par exemple compatible avec la norme GSM propre à communiquer avec chaque terminal 32 et d'un module de communication ETHERNET au travers duquel l'interface 36 est reliée à l'unité de gestion d'accès 34.The installation comprises a communication interface 36, composed of a wireless transceiver for example compatible with the GSM standard capable of communicating with each terminal 32 and an ETHERNET communication module through which the interface 36 is connected. to the access management unit 34.

Chaque terminal 32 comporte des moyens de communication 38A sans fil afin d'assurer une communication bidirectionnelle entre le terminal de commande 32 et l'unité 34 de gestion d'accès au travers de l'interface 36.Each terminal 32 comprises wireless communication means 38A for providing bidirectional communication between the control terminal 32 and the access management unit 34 through the interface 36.

Le terminal de commande 32 est constitué d'un dispositif portable tel qu'un assistant numérique personnel connu sous l'acronyme PDA équipé d'une interface homme machine telle qu'un écran 38B et un clavier de saisie 38C, et de moyens de mémorisation et de traitement d'informations 38D. Il est propre notamment à recevoir, depuis le réseau sans fil, des informations sur le réseau, des requêtes et des comptes-rendus d'opérations.The control terminal 32 consists of a portable device such as a personal digital assistant known by the acronym PDA equipped with a man-machine interface such as a screen 38B and an input keyboard 38C, and storage means and 38D information processing. It is particularly suitable for receiving, from the wireless network, information on the network, requests and reports of operations.

Enfin, l'installation 22 comporte un poste central de gestion 40 comportant des interfaces homme machine de commande du réseau et des moyens de planification des itinéraires des trains. Ce poste central de gestion 40 est relié à l'automate 30 pour y adresser directement des commandes et recevoir des informations représentatives de l'état du réseau.Finally, the installation 22 comprises a central management station 40 comprising man-machine interfaces for controlling the network and means for planning the routes of the trains. This central management station 40 is connected to the controller 30 to directly address commands and receive information representative of the state of the network.

Avant de décrire en détail les commandes pouvant être adressées depuis le terminal de commande 32 à l'automate 30 au travers de l'unité de gestion des accès 34, la figure 2 illustre schématiquement les intervenants avec leurs droits et leurs responsabilités sur l'installation de gestion. Ces droits sont alloués aux personnes au fur et à mesure de leurs demandes et ne sont pas prédéfinis à demeure dans l'installation.Before describing in detail the commands that can be addressed from the control terminal 32 to the controller 30 through the access control unit 34, the figure 2 schematically illustrates the stakeholders with their rights and responsibilities on the management facility. These rights are allocated to people as and when they are requested and are not predefined in the installation.

Sur cette figure sont figurées trois zones distinctes d'intervention 50, 52 et 54.In this figure are shown three separate intervention zones 50, 52 and 54.

Chacune des zones, comme l'ensemble du réseau, est sous la responsabilité d'un opérateur de contrôle central 60. Cet opérateur est basé au poste central de gestion 40 et est en charge d'autoriser ou non à ce que certaines zones d'intervention soient mises en sécurité.Each zone, like the entire network, is under the responsibility of a central control operator 60. This operator is based at central management station 40 and is in charge of authorizing or not allowing certain areas of intervention to be secured.

Par ailleurs, un propriétaire de zone 62 a la charge de la gestion d'une ou plusieurs zones d'intervention mises en sécurité. Il est doté d'un terminal de commande 32 et peut agir depuis celui-ci pour les zones dont il a la responsabilité. Le propriétaire d'une zone est l'un des travailleurs de voie de la zone considérée.In addition, a zone owner 62 is in charge of managing one or more emergency zones. It is equipped with a control terminal 32 and can act from it for the areas for which it is responsible. The owner of an area is one of the track workers in the area.

Le propriétaire d'une zone donnée peut être la même personne que celle ayant la responsabilité de plusieurs zones dont la zone considérée.The owner of a given area may be the same person who has responsibility for several areas including the area.

Les travailleurs de voie peuvent en outre devenir responsables de la zone et/ou de certains aiguillages de la zone alors que la zone a un propriétaire. Les responsables peuvent alors agir sur l'installation, par l'intermédiaire d'un terminal de commande 32 dont ils sont dotés, pour permettre certaines opérations de circulation des trains dans la zone où ils sont affectés, tout en garantissant leur sécurité.In addition, trackworkers may become responsible for the area and / or certain points in the area while the area has an owner. The managers can then act on the installation, through a control terminal 32 which they are equipped to allow certain operations of movement of trains in the area where they are assigned, while ensuring their safety.

Enfin, un utilisateur maître ou super-utilisateur noté 66 a la possibilité d'agir sur toutes fonctions de l'installation et ainsi remplacer un propriétaire ou un responsable de zones en cas de défaillance de celui-ci.Finally, a master user or super-user noted 66 has the ability to act on all functions of the installation and thus replace an owner or a zone manager in case of failure thereof.

L'installation de gestion du trafic prévoit quatre états logiques distincts illustrés sur la figure 3 pour chaque zone d'intervention possible. Ces états sont gérés par l'automate 30 et/ou par l'unité de gestion d'accès 34.The traffic management facility provides four distinct logical states illustrated on the figure 3 for each possible area of intervention. These states are managed by the controller 30 and / or by the access management unit 34.

Ainsi, chaque zone est, à chaque instant, caractérisée par un état.Thus, each zone is, at every moment, characterized by a state.

Ces états sont hiérarchisés de sorte que la commutation d'un état vers un autre n'est possible que par transition par un état intermédiaire si l'état de départ et l'état d'arrivée ne sont pas adjacents.These states are hierarchical so that switching from one state to another is only possible by transition through an intermediate state if the initial state and the arrival state are not adjacent.

Dans un premier état dénommé normal («normal»), la zone n'est pas mise en sécurité et ne permet donc pas l'accès de travailleurs de voie. Cet état correspond à un état d'exploitation normal du réseau dans lequel les trains sont susceptibles de traverser sans entrave cette zone en fonction du routage prédéfini par l'automate 30.In a first state called normal ("normal"), the zone is not secured and therefore does not allow the access of railway workers. This state corresponds to a normal operating state of the network in which the trains are likely to pass unhindered this zone according to the routing predefined by the controller 30.

Dans le deuxième état, qualifié de donné («given») qui est immédiatement sous-jacent à l'état normal («normal»), la zone d'intervention est susceptible d'être mise en sécurité à la requête d'un futur propriétaire. Cet état est donc un état transitoire.In the second state, referred to as "given", which immediately underlies the normal ("normal") state, the area of intervention is likely to be secured at the request of a future owner. This state is therefore a transient state.

Le passage de l'état normal («normal») à l'état donné («given») ne peut être effectué que par l'opérateur de contrôle central 60 depuis le poste central de gestion 40.The transition from the normal ("normal") state to the given state ("given") can only be performed by the central control operator 60 from the central management station 40.

Dans cet état donné («given»), l'accès des trains sur la zone est normalement impossible, l'automate 30 interdisant par la signalisation l'accès d'un train dans la zone et éventuellement commande des aiguillages pour interdire physiquement toute intrusion dans la zone par mise en place de mesures de sécurité frontalières comme cela est connu en soi.In this given state ("given"), the access of the trains to the zone is normally impossible, the automaton 30 prohibiting signaling the access of a train in the zone and possibly control points to physically prohibit any intrusion in the area by implementing border security measures as is known per se.

L'état immédiatement sous-jacent à l'état donné («given») est l'état dénommé possédé («possessed»). Cet état peut être atteint sur la commande d'un travailleur de voie depuis son terminal de commande 32, si la zone était préalablement à l'état donné («given»). Le travailleur de voie devient alors propriétaire 62.The state immediately underlying the given state ("given") is the so-called possessed state. This state can be reached on the control of a track worker from his control terminal 32, if the zone was previously in the given state ("given"). The track worker then becomes the owner.

Enfin, un dernier état sous-jacent à l'état possédé («possessed») est l'état inhibé («block»). Cet état peut être atteint et libéré, sous la commande d'un travailleur de voie depuis son terminal de commande 32. Le travailleur de voie devient alors responsable de la zone. Plusieurs états inhibés («block») peuvent coexister pour une même zone, chaque état étant lié à un responsable.Finally, a last state underlying the possessed state is the blocked state. This state can be reached and released, under the control of a track worker from his control terminal 32. The track worker then becomes responsible for the area. Several inhibited states ("block") can coexist for the same zone, each state being linked to a manager.

Dans cet état, le responsable peut agir sur certains aiguillages, pour modifier leur position.In this state, the manager can act on certain points, to change their position.

Les états normal («normal»), donné («given»), et possédé («possessed») sont gérés par l'automate 30 alors que l'état inhibé («block») est géré seulement par l'unité de gestion d'accès 34. Ainsi, l'état inhibé («block») ne peut exister que si l'état possédé («possessed») est actif pour l'automate pour la zone considérée.The normal ("normal"), given ("given"), and possessed ("possessed") states are handled by the controller 30 while the "block" state is managed only by the management unit 34. Thus, the inhibited state ("block") can only exist if the possessed state is active for the automaton for the zone considered.

Tant qu'au moins un état inhibé («block») existe, la zone ne peut passer de l'état possédé («possessed») à l'état donné («given»).As long as at least one "block" exists, the zone can not move from the possessed state to the given state.

L'état d'une zone est défini par un jeton circulant entre les différents états, successivement d'un niveau à l'autre, sachant que les états sont ordonnés comme illustré sur la figure 3 suivant l'ordre normal («normal»), donné («given»), possédé («possessed») et inhibé («block»).The state of a zone is defined by a token circulating between the different states, successively from one level to another, knowing that the states are ordered as illustrated on the figure 3 following the normal order ("normal"), given ("given"), possessed ("possessed") and inhibited ("block").

Hormis pour les passages du jeton entre l'état normal («normal») et l'état donné («given»), les autres changements d'état, ou les autres commandes définissant la mise en sécurité d'une zone, sont déclenchés par l'un des intervenants sur la zone à savoir un propriétaire et/ou un responsable ou encore l'utilisateur maître 66.Except for token passes between the normal ("normal") and the given ("given") state, other state changes, or other commands defining the securing of a zone, are triggered by one of the speakers on the zone, namely an owner and / or a manager or the master user 66.

Par ailleurs, chaque aiguillage constituant un organe de régulation du trafic 18A, 18B, 18C, 18D, 20A, 20B, 20C, 20D est caractérisé par un état propre qui peut être « bloqué » ou « débloqué ». Dans l'exemple considéré, les organes de régulation du trafic ne sont formés que par des aiguillages.Furthermore, each switch constituting a traffic control member 18A, 18B, 18C, 18D, 20A, 20B, 20C, 20D is characterized by a clean state that can be "locked" or "unlocked". In the example considered, the traffic control bodies are formed only by switches.

Tout aiguillage du réseau dans un état « débloqué » peut être commuté par action directe sur celui-ci depuis un terminal de commande 32, dans certaines conditions, si la zone contenant cet aiguillage est à l'état bloqué inhibé («block»).Any switching of the network in an "unlocked" state can be switched by direct action on it from a control terminal 32, under certain conditions, if the zone containing this switch is in the blocked inhibited state ("block").

En revanche, lorsqu'un aiguillage est à l'état "bloqué", aucune commande ne peut être exécutée pour cet aiguillage et la zone comportant ce point ne peut quitter l'état inhibé («block»).On the other hand, when a switch is in the "blocked" state, no command can be executed for this switch and the zone comprising this point can not leave the "inhibited" state ("block").

Pour l'exécution d'une commande, l'algorithme illustré sur la figure 4 est mis en oeuvre, les commandes étant produites depuis un terminal de commande 32.For the execution of a command, the algorithm illustrated on the figure 4 is implemented, the commands being produced from a control terminal 32.

Lors d'une étape initiale, si le terminal de commande 32 n'est pas encore en fonctionnement, une étape 100 d'ouverture d'une session est mise en oeuvre. A cet effet, une interface appropriée est disponible sur le terminal de commande 32. A partir de cette interface, l'utilisateur saisit son identifiant ainsi qu'un moyen d'authentification par exemple un mot de passe qui lui est propre. II sélectionne alors une unité de gestion d'accès 34. Ces informations sont transmises à l'unité de gestion d'accès sélectionnée.During an initial step, if the control terminal 32 is not yet in operation, a step 100 of opening a session is implemented. For this purpose, an appropriate interface is available on the control terminal 32. From this interface, the user enters his identifier and an authentication means for example a password of its own. II then selects an access management unit 34. This information is transmitted to the selected access management unit.

En réponse, si l'identifiant et le moyen d'authentification sont corrects, l'unité de gestion d'accès 34 retourne au terminal de commande 32 une description des zones d'intervention et des aiguillages supervisés par l'unité de gestion des accès, et notamment leurs états courants.In response, if the identifier and the authentication means are correct, the access management unit 34 returns to the control terminal 32 a description of the intervention zones and switches supervised by the access management unit. , and in particular their current states.

Pour l'exécution d'une commande de mise en sécurité, le travailleur de voie renseigne à l'étape 102 sur le terminal de commande 32 un identificateur de la zone sur laquelle il souhaite appliquer la commande.For the execution of a trip command, the track worker informs in step 102 on the control terminal 32 an identifier of the area on which he wishes to apply the command.

Suivant un premier mode de réalisation, cet identificateur est choisi dans un menu affiché sur le terminal. En variante, celui-ci est saisi au clavier ou encore est lu directement sur un panneau présent physiquement sur la zone, par exemple à l'aide d'un lecteur de code à barres.According to a first embodiment, this identifier is chosen from a menu displayed on the terminal. Alternatively, it is entered by the keyboard or is read directly on a panel physically present on the area, for example using a barcode reader.

A l'étape 104, une commande est choisie depuis le terminal de commande, notamment par sélection dans un menu. Les différentes commandes disponibles sont détaillées dans la suite. Ces commandes permettent notamment un changement d'état d'une zone d'intervention, ou l'actionnement d'un aiguillage.In step 104, a command is chosen from the control terminal, in particular by selection in a menu. The different commands available are detailed below. These commands notably allow a change of state of a zone of intervention, or the actuation of a switch.

A l'étape 106, cette commande, ainsi que la zone identifiée à l'étape 102, sont transmises par voie hertzienne, et notamment par le réseau à la norme GSM, jusqu'à l'interface 36, laquelle répercute cette identification de la zone et la commande à l'unité de gestion d'accès 34.In step 106, this command, as well as the zone identified in step 102, are transmitted by radio, and in particular by the GSM network, to the interface 36, which echoes this identification of the zone and control at the access control unit 34.

A l'étape 108, l'unité de gestion des accès 34 détermine à partir de l'état actuel de la zone considérée, et d'informations fournies par l'automate 30, si la commande peut ou non être exécutée.In step 108, the access management unit 34 determines from the current state of the zone considered, and information provided by the controller 30, whether or not the command can be executed.

En cas de rejet de la commande, par exemple parce que l'état actuel de la zone est normal («normal») et que celle-ci ne peut donc être mise en sécurité, la commande est rejetée à l'étape 110 par envoi d'un message de rejet vers le terminal de commande 32. Ce message est affiché à l'étape 112 pour avertir l'utilisateur du terminal de commande 32.In case of rejection of the order, for example because the current state of the zone is normal ("normal") and so it can not be safe, the order is rejected in step 110 by sending from a rejection message to the control terminal 32. This message is displayed at the step 112 to warn the user of the control terminal 32.

En revanche, si la commande est acceptée à l'étape 108, un message d'accord préalable est adressé, à l'étape 114, vers le terminal de commande 32. De même, une demande de confirmation 116 est adressée de l'unité de gestion 34 vers le terminal de commande 32. Cette demande de confirmation correspond à la requête auprès de l'utilisateur d'une nouvelle formulation de sa commande, nouvelle formulation qui doit être effectuée suivant une sémantique distincte de celle de la première commande, tout en ayant une signification identique.On the other hand, if the command is accepted in step 108, a prior agreement message is sent, in step 114, to the control terminal 32. Likewise, a confirmation request 116 is sent from the unit management 34 to the control terminal 32. This confirmation request corresponds to the request to the user of a new formulation of his order, new formulation which must be performed according to a semantics distinct from that of the first command, all having an identical meaning.

A l'étape 118, le travailleur de voie saisit dans le terminal de commande 32 sa commande confirmée, laquelle est envoyée à l'unité de gestion 34.At step 118, the lane operator enters in the control terminal 32 his confirmed command, which is sent to the management unit 34.

Un test de concordance entre la commande initiale et la commande confirmée est effectué, à l'étape 120.A concordance test between the initial command and the confirmed command is made in step 120.

En cas de discordance, les étapes 110 et 112 sont mises en oeuvre. En revanche, en cas de concordance, la commande est exécutée, à l'étape 122.In case of discrepancy, steps 110 and 112 are implemented. On the other hand, in case of concordance, the command is executed at step 122.

A l'étape 124, une nouvelle description du réseau tenant compte de l'application de la commande et contenant l'état courant des aiguillages et zones supervisées par l'unité de gestion des accès 34 est retournée au terminal de commande 32.In step 124, a new description of the network taking into account the application of the command and containing the current state of the points and zones supervised by the access management unit 34 is returned to the control terminal 32.

Les commandes disponibles depuis le terminal de commande 32 et propres à être mises en oeuvre par l'unité de gestion des accès 34, soit directement, soit par l'intermédiaire de l'automate 30, sont telles que définies ci-dessous.The commands available from the control terminal 32 and adapted to be implemented by the access management unit 34, either directly or via the controller 30, are as defined below.

1 - Prise de zone ("Take an area")1 - Take an area

Cette commande est exécutée suivant l'algorithme de la figure 4, à partir d'une double saisie de la commande. Elle permet le passage de la zone considérée de l'état donné («given») à l'état possédé («possessed»). Ainsi, cette commande n'est possible que si l'état initial de la zone est donné («given»), état qui ne peut être atteint que sous la commande de l'opérateur central de contrôle depuis le poste central de gestion 40.This command is executed according to the algorithm of the figure 4 , from a double entry of the order. It allows the passage of the zone considered from the given state ("given") to the possessed state ("possessed"). Thus, this command is only possible if the initial state of the zone is given ("given"), a state that can only be reached under the control of the central control operator from the central management station 40.

L'unité de gestion des accès 34 lors de la réception d'une commande "take an area" adresse à l'automate 30 des paramètres de configuration permettant l'isolement de la zone définie du reste du trafic, comme cela est connu en soi.The access management unit 34 when receiving a "take an area" command sends the controller 30 configuration parameters enabling the defined area to be isolated from the rest of the traffic, as is known per se. .

Le travailleur de voie ayant effectué cette commande devient propriétaire de la zone.The track worker who made this order becomes the owner of the area.

2 - Bloquer une zone ("Block an area")2 - Block an area ("Block an area")

Cette commande est mise en oeuvre par l'algorithme de la figure 4. Elle permet le passage de la zone identifiée de l'état possédé («possessed») à l'état inhibé («block»).This command is implemented by the algorithm of the figure 4 . It allows the passage from the identified zone of the possessed state to the inhibited state ("block").

Cette commande n'a aucune autre action sur l'automate 30. Elle est gérée localement par l'unité de gestion des accès 34 et n'assure que le transfert du jeton vers l'état inhibé («block»). Ce jeton ne peut être libéré que sur une commande inverse du seul travailleur de voie ayant effectué la commande pour bloquer la zone.This command has no other action on the controller 30. It is managed locally by the access management unit 34 and only ensures the transfer of the token to the inhibited state ("block"). This token can only be released on a reverse command from the only track worker who made the command to block the zone.

Le travailleur de voie ayant réalisé le blocage de la zone devient responsable de la zone.The track worker who has blocked the area becomes responsible for the area.

3 - Commande de mouvement local d'aiguillage ("operate points locally")3 - Local Commutation Control ("operate points locally")

Cette commande n'est disponible que pour un travailleur de voie qui est responsable de la zone dans laquelle se trouve l'aiguillage.This command is only available for a track worker who is responsible for the area in which the switch is located.

Lors du choix de cette commande, pour une zone donnée, le terminal de commande 32 interroge l'unité de gestion d'accès 34 pour obtenir l'état de la zone.When choosing this command, for a given zone, the control terminal 32 interrogates the access management unit 34 to obtain the state of the zone.

L'aiguillage qui doit être commandé est défini depuis le terminal de commande 32 par entrée d'un identifiant de l'aiguillage considéré. A partir de l'interface, le travailleur de voie sélectionne, sur le terminal de commande, le mouvement souhaité pour l'aiguillage. Comme illustré sur la figure 4, le mouvement de l'aiguillage est confirmé par formulation d'une demande confirmée et, seulement en cas de concordance, l'aiguillage est effectivement commandé.The switch that must be controlled is defined from the control terminal 32 by entering an identifier of the switch considered. From the interface, the track worker selects, on the control terminal, the desired movement for the switch. As illustrated on the figure 4 , the movement of the switch is confirmed by formulating a confirmed request and, only in the case of a match, the switch is actually controlled.

Si l'aiguillage est dans l'état inhibé ("block"), la demande de mouvement de l'aiguillage est rejetée par l'unité de gestion d'accès et une erreur est affichée à l'utilisateur.If the switch is in the inhibited state ("block"), the request for movement of the switch is rejected by the access management unit and an error is displayed to the user.

En revanche, une telle commande peut être mise en oeuvre si la zone est à l'état inhibé (« block »), sous réserve que l'aiguillage considéré ne soit pas lui-même préalablement à l'état inhibé (« block »).On the other hand, such a command can be implemented if the zone is in the inhibited state ("block"), provided that the switch considered is not itself previously in the inhibited state ("block") .

4 - Bloquer un aiguillage ("block a point")4 - Block a point ("block a point")

Cette commande est accessible uniquement pour un travailleur de voie qui est responsable de la zone dans laquelle se trouve l'aiguillage.This command is accessible only for a track worker who is responsible for the area in which the switch is located.

Cette commande n'est possible que pour un aiguillage d'une zone qui est à l'état bloqué ("block").This command is only possible for switching a zone that is in the "blocked" state.

Après définition d'un aiguillage devant être passé à l'état « bloqué », par saisie depuis le terminal de commande 32 de son identifiant, le travailleur de voie saisit une commande de blocage de cet aiguillage et la confirme par envoi d'une commande confirmée correspondante, conformément à l'algorithme de la figure 4. Après quoi, l'unité de gestion des accès 34 modifie l'état propre à cet aiguillage pour le passer à l'état "bloqué", de sorte qu'aucune commande "operate points locally" ne puisse être appliquée à cet aiguillage.After defining a switch to be passed to the "blocked" state, by input from the control terminal 32 of its identifier, the lane operator enters a blocking command of this switch and confirms it by sending an order corresponding confirmed, according to the algorithm of the figure 4 . After that, the access management unit 34 modifies the state of this switch to the "blocked" state, so that no "operate points locally" command can be applied to this switch.

5 - Débloquer un aiguillage ("unblock a point")5 - Unlock a switch ("unblock a point")

Cette commande effectue l'opération inverse de la commande bloquer un aiguillage "block a point". Le déblocage d'un aiguillage ne peut être effectué que par le travailleur de voie responsable ayant préalablement procédé au blocage de l'aiguillage.This command performs the reverse operation of the command block a "block to point" turnout. The unblocking of a switch can only be done by the responsible track worker who has previously blocked the switch.

6 - Déblocage d'une zone ("unblock an area")6 - Unblock an area

Cette commande n'est accessible que pour un responsable de la zone qui a effectué une commande visant à bloquer la zone ("block an area"). Elle correspond à l'opération inverse de la commande bloquer une zone ("block an area").This command is only accessible for a zone manager who has made an order to block the area ("block an area"). It corresponds to the inverse operation of the block an area command.

7 - Rendre une zone ("give back an area")7 - Make a zone ("give back an area")

Cette commande n'est disponible que pour un propriétaire de zone. Elle correspond à la commande inverse à la commande prendre une zone ("take an area").This command is only available for a zone owner. It corresponds to the command inverse to the command take a zone ("take an area").

L'unité de gestion des accès 34 est adaptée pour passer le jeton de l'état possédé («possessed») à l'état donné («given») seulement si l'état de la zone est initialement possédé («possessed») et qu'aucun aiguillage n'est dans un état "bloqué".The access control unit 34 is adapted to pass the token from the possessed state to the given state only if the state of the area is initially possessed. and that no switch is in a "blocked" state.

8 - Transfert de propriété ("transfer of ownership")8 - Transfer of ownership

Cette commande permet à un travailleur de voie de prendre la place d'un autre travailleur de voie qui est propriétaire d'une zone ou d'un aiguillage pour contrôler un état d'une zone ou d'un aiguillage, en reprenant à son compte les états imposés et en devenant le seul à pouvoir permettre la modification de ces états imposés par le précédent propriétaire.This command allows a lane worker to take the place of another lane worker who owns a zone or switch to control a state of an area or a switch, by taking over imposed states and becoming the only one to allow the modification of these states imposed by the previous owner.

A cet effet, les terminaux de commande des deux opérateurs et l'unité de gestion 34 assurent une communication pour réaffecter à chaque état initialement associé à l'identifiant de l'opérateur initial l'identifiant de l'opérateur remplaçant.For this purpose, the control terminals of the two operators and the management unit 34 provide a communication for reassigning to each state initially associated with the identifier of the initial operator the identifier of the replacing operator.

9 - Désactivation d'un terminal ("close session")9 - Disabling a terminal ("close session")

Cette commande est accessible seulement par un utilisateur maître, en cas de défaillance d'un travailleur de voie équipé d'un terminal portable 32.This command is accessible only by a master user, in case of failure of a track worker equipped with a portable terminal 32.

Elle permet que le terminal portable 32 soit déconnecté de l'unité de gestion des accès 34 et que le terminal portable soit éteint.It allows the portable terminal 32 to be disconnected from the access management unit 34 and the portable terminal is turned off.

Cette fonction permet au système de désactiver un terminal à partir de son identifiant si celui-ci est en réparation ou volé afin d'interdire l'accès au système à des personnes non autorisées qui pourraient profiter de l'immobilisation de ce terminal pour étudier et pirater le système.This function allows the system to disable a terminal from its identifier if it is under repair or stolen to prevent access to the system to unauthorized persons who may benefit from the immobilization of this terminal to study and hack the system.

10 - Rendu forcé d'une zone ("Force give back an area)10 - Forced rendering of an area ("Force give back an area)

Cette commande est accessible seulement par un utilisateur maître 66, en cas de défaillance d'un travailleur de voie.This command is accessible only by a master user 66, in the event of a worker's failure.

L'utilisateur maître vérifie que les conditions de sécurité sont remplies sur la zone avant de mettre en oeuvre cette commande.The master user verifies that the security conditions are met on the zone before implementing this command.

Cette commande permet que le jeton passe de l'état possédé («possessed») à l'état donné («given») sous la commande de l'utilisateur maître, sans qu'il y ait accord du propriétaire de la zone. Cette commande se fait par la procédure de double saisie illustrée sur la figure 4.This command allows the token to pass from the possessed state to the given state under the control of the master user, without the zone owner's consent. This command is done by the double entry procedure illustrated on the figure 4 .

11 - Déblocage forcé de zone ("Force unblock")11 - Forced Zone Unblocking ("Unblock Force")

Cette commande est accessible seulement par un utilisateur maître 66, en cas de défaillance d'un travailleur de voie.This command is accessible only by a master user 66, in the event of a worker's failure.

L'utilisateur maître vérifie que les conditions de sécurité sont remplies sur la zone avant de mettre en oeuvre cette commande.The master user verifies that the security conditions are met on the zone before implementing this command.

Cette commande permet que le jeton passe de l'état inhibé («block») à l'état possédé («possessed») sous la commande de l'utilisateur maître, sans qu'il y ait accord du propriétaire. Cette commande se fait par la procédure de double saisie illustrée sur la figure 4.This command allows the token to change from the "block" state to the "possessed" state under the control of the master user, without the owner's agreement. This command is done by the double entry procedure illustrated on the figure 4 .

L'exemple qui suit décrit, sur la base du tronçon de réseau de la figure 1, les changements d'états de certaines zones en vue de l'exécution de travaux en explicitant les différentes commandes adressées depuis leur terminal de commande par les opérateurs en présence vers l'unité de gestion des accès.The following example describes, on the basis of the network section of the figure 1 , the state changes of certain zones for the execution of work by explaining the various commands addressed from their control terminal by the operators present to the access management unit.

Les états successifs des différentes zones sont illustrés sur les figures 5 et suivantes. Deux zones d'interventions potentielles A et B sont définies, comme illustré sur la figure 5. Initialement, on suppose que chaque zone A et B est dans un état normal («normal»).The successive states of the different zones are illustrated on the figures 5 and following. Two areas of potential interventions A and B are defined, as illustrated in the figure 5 . Initially, it is assumed that each zone A and B is in a normal ("normal") state.

Dans la perspective d'effectuer des travaux sur la zone d'intervention A, le travailleur de voie en charge des travaux vérifie d'abord visuellement la zone d'intervention A. Après quoi, il demande verbalement, par exemple par un appel effectué depuis un téléphone mobile, à l'opérateur de contrôle central 60 de commuter par passage de jeton la zone d'intervention A de son état normal («normal») à l'état donné («given»).With a view to carrying out work in intervention zone A, the track worker in charge of the work first visually checks intervention zone A. After that, he asks verbally, for example by a call from a mobile telephone, to the central control operator 60 to toggle the intervention zone A from its normal state ("normal") to the given state ("given").

Lors du passage à l'état donné («given»), l'unité de gestion des accès 34 commande l'automate 30 pour la mise en place de mesures de sécurité frontalières pour la zone d'intervention A. Ainsi, l'automate commute et verrouille tous les aiguillages concernés, dans une position telle qu'aucun mouvement de train ne soit possible depuis et vers la zone d'intervention A. La mise en place de mesure de sécurité frontalière n'est qu'optionnelle, et ce à chaque fois qu'il y est fait référence.During the transition to the given state ("given"), the access control unit 34 controls the controller 30 for the establishment of border security measures for the intervention zone A. Thus, the automaton switches and locks all the switches concerned, in a position such that no movement of the train is possible from and to the intervention zone A. The implementation of border security measure is only optional, and this whenever it is referred to.

Après mise en place des mesures de sécurité frontalières, l'état de la zone devient donné («given»). Des mesures de restriction de vitesse temporaire prédéterminées sont avantageusement appliquées sur les tronçons de voie adjacents à la zone d'intervention A. De telles mesures sont toutefois optionnelles.After the implementation of border security measures, the state of the zone becomes "given". Predetermined temporary speed restriction measures are advantageously applied to the sections of track adjacent to the intervention zone A. Such measurements are however optional.

Le changement d'état de la zone d'intervention considérée est retourné aux terminaux de commande pour information. Avantageusement, un rapport est adressé à l'opérateur de contrôle central 60.The change of state of the intervention zone considered is returned to the control terminals for information. Advantageously, a report is sent to the central control operator 60.

Dans cet état, le routage des trains effectué depuis l'automate 30 ne peut plus s'effectuer avec transit dans la zone d'intervention A comme illustré sur la Figure 5.In this state, the routing of the trains carried out from the automaton 30 can no longer be carried out with transit in the intervention zone A as illustrated in FIG. Figure 5 .

La zone étant dans son état donné («given»), le travailleur de voie peut prendre possession de la zone en la commutant dans son état possédé («possessed»). II en devient alors le propriétaire. Pour ce faire, celui-ci, conformément à l'algorithme de la figure 4, identifie la zone et commande le changement d'état à partir de son terminal de commande.The zone being in its given state, the lane worker can take possession of the zone by switching it to its possessed state. He then becomes the owner. To do this, this one, according to the algorithm of the figure 4 , identifies the zone and controls the change of state from its control terminal.

Les travailleurs de voie en charge des travaux dans la zone d'intervention A sont alors à même de commuter la zone dans l'état inhibé («block») à partir de la commande "block an area" adressée depuis leurs terminaux de commande. En bloquant la zone, un travailleur de voie prend la responsabilité locale de la zone en devenant l'un des responsables et cette zone peut être rendue par la commande "give back".The track workers in charge of the work in the intervention zone A are then able to switch the zone into the "block" state from the "block an area" command sent from their control terminals. By blocking the area, a lanekeeper takes local responsibility for the area by becoming one of the leaders and this area can be rendered by the "give back" command.

Le responsable est alors en charge de laisser entrer les trains nécessaires aux travaux dans la zone. Pour assurer une telle entrée, le responsable entre en contact avec l'opérateur de contrôle central 60 pour lui demander la désactivation des mesures de sécurité frontalières.The person in charge is then in charge of letting the necessary trains to work in the zone. To ensure such an entry, the manager contacts the central control operator 60 to request the deactivation of the border security measures.

Le responsable peut alors commander localement un aiguillage par la commande "operate points locally" depuis son terminal de commande 32.The manager can then locally control a switch by the command "operate points locally" from its control terminal 32.

Afin d'éviter que d'autres travailleurs de voie présents sur le site déplacent ce même aiguillage le responsable bloque d'abord l'aiguillage par la commande "block a point". Une telle commande est par exemple appliquée à l'aiguillage 20B.In order to prevent other track workers on the site from moving the same switch, the person in charge first blocks the switch with the "block a point" command. Such a command is for example applied to the switch 20B.

Après exécution, le train pénètre dans la zone d'intervention A après quoi, le responsable débloque l'aiguillage qu'il a précédemment commandé à partir de la commande "unblock a point".After execution, the train enters the intervention zone A after which, the manager unblocks the switch that he previously ordered from the command "unblock a point".

Si plus aucun train ne doit entrer ou sortir de la zone, l'opérateur de contrôle central 60 rétablit les mesures de sécurité frontalières.If no more trains are to enter or leave the area, Central Control Operator 60 reinstates the border security measures.

De manière analogue, la zone d'intervention B peut être successivement passée à l'état possédé («possessed») par le propriétaire puis à l'état inhibé («block») par un travailleur de voie de cette zone comme illustré sur la Figure 6.In a similar way, the intervention zone B can be successively passed on to the possessed state by the owner and then in the blocked state by a track worker of this zone as illustrated on the Figure 6 .

Après que les travaux sont terminés dans la zone d'intervention A, le train peut circuler jusqu'à la zone d'intervention B après que le responsable de la zone B donne son accord.After completion of work in Intervention Area A, the train may proceed to Intervention Area B after the Area B Officer agrees.

La zone d'intervention A peut alors être libérée. Pour cette libération, le responsable de la zone A s'assure qu'aucun travailleur de voie n'est plus présent sur la zone d'intervention A. II commande alors le passage de la zone à l'état possédé («possessed») depuis son terminal de commande par la commande "unblock an area". Après quoi, le propriétaire est à même de commander le passage de la zone de l'état possédé («possessed») à l'état donné («given») par mise en oeuvre de la commande "give back an area" depuis son terminal de commande 32. L'opérateur de contrôle central 60 commute ensuite la zone A dans son état normal («normal»), notamment en désactivant les mesures de sécurité frontalières.The intervention zone A can then be released. For this release, the person in charge of zone A ensures that no laneworker is no longer present in intervention zone A. He then orders the passage from the zone to the possessed state. from its control terminal by the "unblock an area" command. After that, the owner is able to control the passage from the possessed area to the given state by implementing the "give back an area" command from his control terminal 32. The central control operator 60 then switches the zone A to its normal ("normal") state, in particular by deactivating the border security measures.

La zone A est alors à nouveau accessible au trafic ferroviaire avec éventuellement des restrictions de vitesse du fait des travaux ayant lieu dans la zone d'intervention B comme illustré sur la Figure 7.Zone A is then again accessible to railway traffic, possibly with speed restrictions because of the work taking place in intervention zone B as illustrated on the Figure 7 .

On comprend qu'une telle installation de gestion du trafic ferroviaire permet, par la mise en oeuvre de terminaux de commande associés aux différents intervenants, lesquels sont en communication par une liaison sans fil avec l'unité de gestion des accès 34, que différentes zones puissent être mises en sécurité de manière simple sans qu'il soit nécessaire d'établir un câblage préalable de la zone pour connecter des boîtes à boutons.It is understood that such a railway traffic management facility allows, by the implementation of control terminals associated with the various stakeholders, which are in communication via a wireless link with the access management unit 34, that different zones can be secured in a simple manner without the need to pre-wire the area to connect button boxes.

Par ailleurs, le protocole de confirmation des commandes, associé à des états successifs pour chaque zone permet d'assurer un degré de sécurité élevé des travailleurs de voie.Furthermore, the order confirmation protocol associated with successive states for each zone ensures a high degree of safety of the track workers.

Claims (10)

  1. Protection equipment for track workers on a railway network divided into zones comprising:
    - a centralised automatic means (30) for managing traffic control devices (18A, 18B, 18C, 18D, 20A, 20B, 20C, 20D, 31);
    - at least one control terminal (32) spaced away down the network suitable for controlling the safety level of a network zone by action on the centralised automatic means (30); and
    - means for connecting the or each control terminal (32) to the automatic means (30), the connecting means comprising:
    - means (38A, 38B, 36) of communication between the control terminal (32) and an access management unit (34), which means of communication is suitable for sending commands from the control terminal (32) to the access management unit (34), and
    - a management unit (34) for access to the automatic means (30) from the control terminal (32) suitable for selectively carrying out the control of the automatic means (30) from the or each control terminal (32) as a function of control information transmitted from the control terminal (32);
    characterised in that the or each control terminal (32) comprises means for identifying or authenticating at least one user in charge of the control of the safety level of a zone, and the management unit (34) is suitable for restricting the attempt by any other person to reduce the safety level in the said zone.
  2. Equipment according to claim 1, characterised in that the or each control terminal (32) comprises means for identifying a zone of the network in order to control the safety level thereof.
  3. Equipment according to any one of the preceding claims, characterised in that the access management unit (34) comprises means for evaluating each command transmitted from a control terminal (32) and means, in the case of agreement on the command, for requesting from the control terminal (32) that has transmitted the command, a corresponding confirmation command, and in that the access management unit (34) is arranged to carry out the control of the automatic means (30) from the control terminal (32) only after receiving the corresponding confirmation command from the control terminal (32).
  4. Equipment according to claim 3, characterised in that the confirmation command corresponding to an original command consists in a new formulation of the original command which is effected according to a different semantic from that of the original command while having an identical meaning.
  5. Equipment according to any one of the preceding claims, characterised in that the access management unit (34) and the automatic means (30) are each suitable for carrying out the management of states for each zone of the network, and in that the said access management unit (34) is arranged to make accessible only certain controls from the or each control terminal (32) according to the state of the zone in question.
  6. Equipment according to any one of the preceding claims, characterised in that the access management unit (34) is suitable for carrying out the management of user identifiers and comprises means for identifying the user of the control terminal (32), and in that the said access management unit (34) is suitable for making accessible only certain controls from the or each terminal (32) depending on the identifier of the user of the terminal (32).
  7. Equipment according to any one of the preceding claims, characterised in that the access management means (34) are arranged to transmit to the control terminal (32) a description of the network indicating the safety level of the zones in question following each control of the automatic means (30) effected from that control terminal (32), and in that the or each control terminal (32) comprises means for receiving a description transmitted from the access management means (34) and means for providing the user with the last description of the network received.
  8. Equipment according to any one of the preceding claims, characterised in that the or each control terminal (32) comprises means for defining control suited to a particular traffic control device (18A, 18B, 18C, 18D, 20A, 20B, 20C, 20D, 31) of a network zone, especially to points, and the access management means (34) comprises means for causing the said control to be executed by the centralised automatic means (30).
  9. Equipment according to any one of the preceding claims, characterised in that the said means (38A, 38B, 36) of communication between the control terminal (32) and the access management unit (34) are suitable for providing wireless communication.
  10. Equipment according to any one of the preceding claims, characterised in that the or each control terminal (32) comprises an identifier, and the equipment comprises means for deactivating certain control terminals (32) depending on their identifier.
EP05292630A 2004-12-21 2005-12-09 Installation for protecting track workers Active EP1674370B1 (en)

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FR0413675A FR2879550B1 (en) 2004-12-21 2004-12-21 PROTECTION PLANT FOR WALKING WORKERS

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GB2503188B (en) * 2011-12-01 2016-06-29 Savory Leslie Remote operational management system
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NL2013825B1 (en) * 2014-11-18 2016-10-10 Dual Inventive Holding B V A decommissioning system for decommissioning a section of rail track, as well as interface means for connecting a decommissioning system to a train protection system of the rail track.
ES2942689T3 (en) * 2014-08-27 2023-06-05 Dual Inventive Holding B V A dismantling system for dismantling a section of railway, as well as interface means for connecting a dismantling system to a train safety system of the railway
DE102015218965A1 (en) 2015-09-30 2017-03-30 Siemens Aktiengesellschaft Safety procedure and safety system for a rail track network
FR3052732B1 (en) * 2016-06-15 2018-10-05 Alstom Transport Technologies METHOD FOR MANAGING A RAIL SAFETY SYSTEM AND RAIL SECURITY SYSTEM USING SUCH A METHOD

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CN102320315A (en) * 2011-07-05 2012-01-18 辽宁工业大学 Railway wagon wireless warning method and warning system based on ZigBee
CN102320315B (en) * 2011-07-05 2013-09-18 辽宁工业大学 Railway wagon wireless warning method and warning system based on ZigBee

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DE602005006081D1 (en) 2008-05-29
ES2304169T3 (en) 2008-09-16
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DE602005006081T2 (en) 2009-07-09
FR2879550B1 (en) 2014-04-11
FR2879550A1 (en) 2006-06-23
DK1674370T3 (en) 2008-08-11
NO331728B1 (en) 2012-03-12
ATE392349T1 (en) 2008-05-15

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