EP0890496B1 - Procédé et dispositif de surveillance pour véhicules de transport sur rails - Google Patents

Procédé et dispositif de surveillance pour véhicules de transport sur rails Download PDF

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Publication number
EP0890496B1
EP0890496B1 EP98250201A EP98250201A EP0890496B1 EP 0890496 B1 EP0890496 B1 EP 0890496B1 EP 98250201 A EP98250201 A EP 98250201A EP 98250201 A EP98250201 A EP 98250201A EP 0890496 B1 EP0890496 B1 EP 0890496B1
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EP
European Patent Office
Prior art keywords
data
unit
video information
train
picture
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Expired - Lifetime
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EP98250201A
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German (de)
English (en)
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EP0890496A1 (fr
Inventor
Ralf Dipl.-Ing Rehmet
François Dipl.-Ing. Sodji
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Rehmet Ralf Dipl-Ing
SODJI, FRANCOIS, DIPL.-ING.
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Individual
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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/40—Handling position reports or trackside vehicle data
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/50—Trackside diagnosis or maintenance, e.g. software upgrades
    • B61L27/57—Trackside diagnosis or maintenance, e.g. software upgrades for vehicles or trains, e.g. trackside supervision of train conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
    • B61L3/08—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
    • B61L3/12—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
    • B61L3/125—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves using short-range radio transmission
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/16—Continuous control along the route
    • B61L3/22—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation
    • B61L3/225—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation using separate conductors along the route
    • B61L2003/226—German inductive continuous train control, called 'Linienzugbeeinflussung' [LZB]

Definitions

  • the invention relates to a method for monitoring a rail-bound means of transport in the preamble of the claim 1 specified type and an arrangement for implementation of the procedure. Such a method is described in the publication EP 0310 705 A discloses.
  • DE 27 04 143 A1 describes a device for influencing lines Known at which data telegrams from the moving Rail vehicle to the outside by means of a transmitter BS of the train, with a fixed control station OFS connected receiving devices positioned along the route of the train S1 to S9 are transmitted when the train is located in the area of the respective receiving device.
  • the route is in partial areas, each of which has a receiving device S1 to S9 is assigned divided.
  • Each section represents a radio zone with a radio channel exclusively assigned to it, so that transmitting and receiving devices with comparatively short ranges and low complexity can be.
  • the radio zones are designed so that these overlap slightly and thus seamless data transmission ensure if the vehicle is along the route moved from one section TB to the next.
  • DE 195 38 022 C2 describes a device for controlling a Rail vehicle described, in which the signaling systems of the respective route section are checked.
  • the signal state the respective system must be from an image capture device (Camera) can be recognized.
  • image capture device Camera
  • In a memory of the rail vehicle device data before the start of the route about the positions of the signal systems, with their possible signal states, of the route sections saved.
  • the current Location of the rail vehicle via satellite or position sensors (Induction loops) along the route.
  • the data processing device fetches on the basis of this information the data of the associated route section from the Storage.
  • the future positions of the signal systems of the Route section are thus known. Look at this the signal states of the respective signal systems are recognized and on corresponding behavior of the speed causes.
  • Arrangements are used in railway operations that are for visual purposes Serve monitoring.
  • Surveillance is used in the station area the avoidance of personal injury and property damage at level crossings for remote control of the barriers from a control center.
  • the invention has for its object a method for train monitoring of the aforementioned type and specify an arrangement for carrying out the method with which it is possible to visually and can be observed acoustically.
  • Transfer of surveillance of a moving, rail-bound train to a control center is independent at all times feasible from the location of the train.
  • the transfer becomes one by an alarm device in the car or the other by requesting the supervisory staff in the control center triggered so that a transmission takes place only if this is necessary or desired.
  • the recording of the video information is carried out in wagons carried out, each car or group of cars the train to be monitored has its own image recording device, for example a video camera and an image processing unit having.
  • the recording device is in Car interior positioned to the behavior of those located there Capturing people in the picture, possible criminal acts to be able to register immediately and take first countermeasures to be prepared by the control center connected to the receiver.
  • An arrangement of the receiving device on the outer wall of a or several freight wagons when monitoring a freight train enables an advantageous development of the Invention a control of the carload and the surrounding area of the corresponding car, so that, for example, loosening a tarpaulin attached to protect the cargo or a criminal Activity of unauthorized persons on the corresponding car can be recognized in time.
  • a second image recording device with a downstream Image processing unit inside a car like this to position that the lens of a recording device pointing in the direction of travel of the train, whereas the lens the second recording device into the opposite one Direction points.
  • This arrangement enables cheaper Way a monitoring of the respective interior, at which the disturbing influence of a blind spot is essentially excluded can be.
  • the invention includes the finding that only a minor Number of data channels is required or the use of only one transmission frequency or a narrow frequency band is required if video information is only required in the event of an alarm or upon request by the observation staff is transmitted to the control center, and also for the purpose of reduction a compression of the required transmission capacity the video information takes place.
  • the transfer of data for train monitoring in this form is essential without loss Information content is advantageously inexpensive with a slight expansion of an existing infrastructure to realize.
  • the transmitted video information is Can be evaluated without restriction and can be used successfully to combat crime crime or prevention can be used.
  • the video information captured by an image recorder are anologically / digitally converted in an image processing unit, compressed and sent to a memory, if neither an alarm unit in the car or in the Carriage group still triggered the transmission of the video information requested by a control center outside the train becomes.
  • the video information is requested by the control center without storage to a data transmission and attached in the car Forwarded receiving unit, which a radio connection to one of the positioned along the route as a data transmission unit produces receiving devices.
  • the video information is then sent to the data transmission unit in packets transmitted, and via a parallel to Route cable routed to a distant one Control center forwarded.
  • the video information is in the control center received by a central computer and via a data bus to one or more observation workplaces, each with electronic means for video data decompression equipped, distributed and observable made.
  • video information is generated continuously, however only transferred if there is an occasion for this for example, there is a passenger in need, so that the monitoring personnel in the control center are not redundant Information is charged.
  • the video information are packaged in a circular storage unit Storage is stored, during each storage process the oldest packet is overwritten by the latest packet becomes.
  • This information can be accessed advantageously in the event that, for example the events of the reconstruction preceding an alarm are conducive to a criminal fact.
  • the data sending and receiving unit has electronic means for establishing a full-duplex radio connection, being a high frequency unit which is a Omnidirectional antenna and a device for the separation of transmit and Received signals is attached to the outside of the car.
  • the radio frequency unit consists of an antenna, the one Has directional characteristic and is aligned so that a the largest possible part of the route is covered and one Device for separating transmit and receive signals.
  • Each data transmission unit sends in predefinable time Spaced an identifier frame that their specific address as well as the information to be used for the data exchange Radio channel contains.
  • the data sending and receiving unit in the car evaluates the identification frame and sends in return on the a command frame with the unique car address, the subaddress of the image recording device and the command to establish a data connection to the control center.
  • the addressed data transmission unit provides preferably over the Route cables designed as fiber optic cables provide a connection with the central computer in the control center.
  • the central computer determines which of the over a data bus with observation workstations connected to the central computer can receive and send the alarm triggered by the car connect. On the monitor of the observation work station an alarm message appears, which is sent by the observer must be acknowledged.
  • a receipt frame is generated that is addressed to the control unit in the car that triggers the alarm and traverses the connection path in the opposite direction.
  • Point-to-point connection which is for the continuous Transport of the video data packets is used.
  • a command is issued after the alarm situation has ended the control center sent to the control unit in the car, the control unit causes the data from the circular memory read out and send to the control center. Finally sends the control unit has a frame that is a command to dismantle the connection contains.
  • Receiving unit of a car sends this identification frame in turn an identification frame with the unique car address.
  • the data transmission unit sends this information to the central computer in the control center, which comes from the All of the location information is an up-to-date list the wagon locations calculated.
  • the central computer sends to just that over the line cable Data transmission unit in the radio zone of which the car is located of the image recording device to be called, one Command frame, the command to establish a full duplex data connection, the carriage address and the subaddress of the selected one Includes image recording unit.
  • the data transmission unit establishes a radio connection to the addressed Carriage in which several image recording units are arranged could be.
  • the data sending and receiving unit in the car evaluates the subaddress of the image recording device and builds a connection to the control unit via the data bus, which is assigned to the addressed image recording device, on.
  • the control unit receives the command to send the video information prepare by storing the video information stopped and a data path to bypass the memory is switched.
  • the control unit then carries out the Transmission of video information packets on the built Point-to-point connection to the requesting observation work station by.
  • the transmission is stopped and the connection dismantled as soon as a corresponding one from the observation workplace Command frame is sent to the control unit.
  • the arrangement for performing the train monitoring procedure has at least one of a carriage or data acquisition assigned to a wagon group of the train to be monitored and processing device, which is an image recording device, for example a video camera, a Image processing unit, an alarm unit and one Control unit includes on.
  • the data acquisition and processing facilities are implemented via a serial data bus Data path with one assigned to the wagon or wagon group Data transmission and reception device, the means for Has radiation and for receiving radio signals, connected.
  • the arrangement for performing the train monitoring procedure also has several, stationary along the route the data transmission units arranged for the train to be monitored, the means for radiating and receiving Radio signals and means for receiving and feeding a Data stream from and into a fiber optic cable Have line cables on.
  • the route cable is with a Control center, the one central computer and several subordinate to this Observation workplaces included, connected.
  • the observation work station has electronic means for image data decompression and to represent the procedure generated and transmitted image information.
  • the in the image processing unit provided image compression unit electronic means with which recorded video information a still picture suppression, a reduction of color information and a reduction in image resolution is made.
  • the data compression takes place in one Scope that one hand for the purpose of train monitoring Fighting and preventing crime sufficiently evaluable Amount of information can be made available and on the other hand requires only a minimum of transmission capacity must be taken.
  • FIG. 1 shows an arrangement 1 for train monitoring with a wagon (or a wagon group) (10) in which one or more data collection and Processing devices (20, 20 ') via a data bus (30) with a central data transmission and reception device (40) are connected.
  • the carriage (10) is during data transfer over a full duplex radio link (50) with one along the Route positioned data transmission unit (60) (from which are only shown for reasons of clarity is connected.
  • Each data transmission unit (60) is with the help a fiber optic coupling node (71) with a fiber optic cable executed route cable (70) coupled.
  • the line cable (70) leads to a control center (80), the means for presentation of the transmitted video information.
  • the data acquisition and processing unit (20) comprises the Image recording device (21) designed as a video camera, which is arranged downstream of an image processing device (22).
  • the image signals recorded by the video camera (21) digitized in an analog / digital converter (22.1) and in the the image compression unit downstream of the converter (22.1) (22.2) condensed.
  • the first is in an advantageous development of the invention Video camera (21) inside the car or group of cars positioned so that your lens is facing the train shows, whereas the lens of the second video camera in the points in the opposite direction.
  • Video camera (21) inside the car or group of cars positioned so that your lens is facing the train shows, whereas the lens of the second video camera in the points in the opposite direction.
  • the image compression unit provided in the image processing unit (22) (22.2) has electronic means with a suppression of those with the recorded video information of still images, a reduction in color information and a reduction in image resolution is made.
  • the data compression takes place to the extent that on the one hand one for train monitoring to fight crime and prevention sufficient amount of information to evaluate Can be made available and on the other hand only a minimum transmission capacity must be used.
  • the image processing unit (22) has a circular memory executed data storage (22.3), in which the compressed Image information is stored in packets in such a way that the latest package overwrites the oldest.
  • the circular memory (22.3) thus contains one by the memory size Predefinable volume of current video information based on Request be transferred to the remote control center (80).
  • the one that is preferably coupled to the emergency brake of the car (10) Alarm unit (23) is with a control unit (25), which evaluates the signal from the alarm unit.
  • the control unit (25) uses the circular memory control line (24) the stop of storage and the switching of a data path bypassing the circular memory as soon as and as long as the compressed video information in the control center (80) is transferred without intermediate storage.
  • a data bus (30) designed as a serial data bus transports by the control unit (25) via a data bus coupling node (31) fed video data for central data transmission and receiving unit (40) further.
  • the data sending and receiving unit comprises a data bus interface designed as a communication processor (41), a baseband processor Data processing device (42) for the transmission direction a modulator (43) and a transmission amplifier (44), for the receiving direction a receiving amplifier (46) and one Demodulator (47) and a radio frequency unit (45).
  • the radio frequency unit (45) is preferably outside on the roof of the Wagon arranged and contains means for separating broadcast and Receive signals and an omnidirectional antenna.
  • the baseband processor (42) has means for data encryption and decryption and to correct transmission errors.
  • the data transmission unit has accordingly (60) a radio frequency unit (61) for which Receive path a receiving amplifier (62) and a demodulator (63), for the transmission path a transmission amplifier (66) and one Modulator (67), a baseband processor (64) and a communication processor (65).
  • the radio frequency unit (61) has unlike the equipment of the wagons, a directional antenna, which is aligned so that as large a part as possible of the route is covered.
  • the neighboring data transmission units are positioned so that each other easily result in overlapping radio zones and at every location on the route a radio connection to one of the data transmission units can be built.
  • the communication processor (65) is via a fiber optic coupling node (71) with the fiber optic cable connected and ensures bidirectional data transport to the control center (80) and / or to a car (10). He cares among other things for the registration of the wagons that are currently up to date stay in the radio zone of the data transmission unit and for the forwarding of this information to the control center (80).
  • the control center (80) is connected via a fiber optic coupling node connected to the fiber optic cable and has a central computer (81) and several via a data bus (83) to the central computer connected observation workstations (82.82 ', 82' ').
  • the Central computer (81) has the main task, all from different Car or train incoming video data streams evenly to be distributed to the observation workstations (82.82 ', 82' ').
  • the Observation workstations have a communication processor (82.1) for data transmission, a computing unit (82.2) for the Sequence of application and operating programs, one as a monitor executed viewing device (82.3) and an image decompression unit (82.4) for the recovery of the compressed video information.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Control Of Conveyors (AREA)

Claims (13)

  1. Procédé de surveillance d'un moyen de transport sur rails pour lequel les données concernant un train en mouvement sont transmises à un poste de commande (80), à l'aide d'une unité d'émission et de réception de données (40) disposée dans un wagon ou un groupe de wagons, en passant à chaque fois par un dispositif de réception (60) développé en unité de transmission de données et positionné en dehors du trajet du train ainsi qu'un câble de liaison (70) développé en câble de fibre de verre,
       caractérisé en ce que
    les données contiennent des données de surveillance du train qui sont recueillies, en tant qu'informations vidéo sur l'intérieur du wagon de passagers ou de fret, par plusieurs dispositifs d'enregistrement d'images (21,21') situés à chaque fois dans le wagon ou le groupe de wagons et qui sont traitées dans une unité de traitement d'images (22),
    les données de surveillance du train sont transmises directement sans être mémorisées lorsque la transmission est soit déclenchée par une unité d'alerte (23) soit sollicitée par le personnel d'observation du poste de commande (80),
    les informations vidéo saisies à l'aide des dispositifs de recueillement (21) sont mémorisées temporairement dans une mémoire (22.3) lorsque le dispositif d'alerte (23) n'est pas actionné ou qu'aucune transmission des données de surveillance du train n'est sollicitée par le personnel d'observation du poste de commande (80).
  2. Procédé selon la revendication 1, caractérisé en ce qu'une conversion analogique/numérique et une compression de l'information vidéo est réalisée afin de réduire la capacité de transmission nécessaire du chemin de données à l'aide de l'unité de traitement d'images (22).
  3. Procédé selon la revendication 2, caractérisé en ce que la compression de l'information vidéo est réalisée en supprimant les images fixes et/ou en réduisant la résolution de l'image et/ou en réduisant l'information en couleur.
  4. Procédé selon la revendication 1, caractérisé en ce que, entre l'unité d'émission et de réception de données (40) située dans le wagon ou le groupe de wagons (10) et le poste de commande (80) une liaison point à point est établie pour la durée de la transmission et les données de surveillance du train sont transmises sous forme de paquets directement au poste de commande (80) par l'intermédiaire de celle-ci sans être mémorisées temporairement.
  5. Procédé selon la revendication 1, caractérisé en ce qu'une unité de commande (25) arrête la procédure de mémorisation soit en déclenchant le dispositif d'alerte (23) ou après sa .sollicitation par le personnel d'observation du poste de commande (80) à l'aide d'une conduite de commande de mémoire circulaire (24) et met en route un chemin de données afin de contourner la mémoire (22.3) dès que et tant que la transmission des données de surveillance du train est amorcée et réalisée.
  6. Procédé selon la revendication 1, caractérisé en ce que les données de surveillance du train sont déposées sous forme de paquets dans la mémoire (22.3) développée en unité de mémoire circulaire et le paquet de données de surveillance du train le plus ancien est recouvert par le plus récent.
  7. Procédé selon la revendication 1, caractérisé en ce que les données de surveillance du train mémorisées temporairement dans la mémoire circulaire (22.3) sont sélectionnées sur demande du personnel d'observation du poste de commande (80) et transmises sous forme de paquets par l'intermédiaire d'une liaison point à point.
  8. Procédé de surveillance de train selon l'une des revendications précédentes, caractérisé en ce que l'enregistrement de l'information vidéo est réalisé à l'intérieur du wagon ou du groupe de wagons, au moins un dispositif d'enregistrement d'images (21) enregistrant à chaque fois l'information vidéo dans le sens de la marche et un second dispositif d'enregistrement d'images enregistrant l'information vidéo dans le sens inverse au sens de la marche.
  9. Disposition de réalisation du procédé de surveillance de train selon l'une des revendications précédentes,
    caractérisée par
    au moins une unité de traitement et de saisie de données (20,20') associée à un wagon ou un groupe de wagon (10) du train devant être surveillé, présentant un dispositif d'enregistrement d'images (21) disposé avant une unité de traitement d'images (22), et reliée à une unité d'émission et de réception de données (40) par l'intermédiaire d'un bus de données (30),
    plusieurs unités de transmission de données (60) disposées fixement sur le trajet du train devant être surveillé présentant un récepteur destiné à recueillir l'information vidéo envoyée par l'unité d'émission de données (40) ainsi qu'un processeur de communication (65) destiné à faire suivre l'information vidéo,
    un poste de commande (80) relié aux unités de transmission de données (60) par l'intermédiaire d'un câble de liaison (70) afin d'évaluer l'information vidéo transmise.
  10. Disposition selon la revendication 9, caractérisée en ce que l'unité de traitement d'images (22) présente un convertisseur analogique/numérique (22.1), une unité de compression d'images (22.2) et une mémoire (22.3) développée en mémoire circulaire.
  11. Disposition selon la revendication 10, caractérisée en ce que l'unité de compression d'images (22.2) présente des moyens électroniques de suppression d'images fixes, de réduction de l'information en couleur et de réduction de la résolution de l'image.
  12. Disposition selon la revendication 9, caractérisée en ce que l'unité de traitement et de saisie de données (20) présente une unité de commande (25) qui est reliée à l'unité de traitement d'images (22), à une unité d'alerte (23) et, par l'intermédiaire d'une jonction pour bus de données, au bus de données (30).
  13. Disposition selon la revendication 9, caractérisée en ce que le poste de commande (80) présente un ordinateur central qui est couplé par l'intermédiaire d'un bus de données (83) à plusieurs postes d'observation (82,82',82'') présentant à chaque fois une unité de compression d'images (82.4).
EP98250201A 1997-06-11 1998-06-09 Procédé et dispositif de surveillance pour véhicules de transport sur rails Expired - Lifetime EP0890496B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19725308A DE19725308C2 (de) 1997-06-11 1997-06-11 Verfahren und Anordnung zur visuellen Überwachung eines fahrenden Zuges
DE19725308 1997-06-11

Publications (2)

Publication Number Publication Date
EP0890496A1 EP0890496A1 (fr) 1999-01-13
EP0890496B1 true EP0890496B1 (fr) 2002-09-11

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EP98250201A Expired - Lifetime EP0890496B1 (fr) 1997-06-11 1998-06-09 Procédé et dispositif de surveillance pour véhicules de transport sur rails

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EP (1) EP0890496B1 (fr)
AT (1) ATE223824T1 (fr)
DE (2) DE19725308C2 (fr)

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EP1632903A1 (fr) * 2004-09-01 2006-03-08 Alexander Merkle Procédé et système de surveillance extérieure d'un moyen de transport
DE102008028020A1 (de) * 2008-06-10 2009-12-24 Siemens Aktiengesellschaft Datenübertragungssystem
DE102012215544A1 (de) * 2012-08-31 2014-03-06 Siemens Aktiengesellschaft Überwachung einer Bahnstrecke
CN112441088A (zh) * 2020-10-19 2021-03-05 福州轨道交通电气科技有限公司 一种基于lora报文的城轨列车定位系统及其方法

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FR2698596B1 (fr) * 1992-11-30 1995-02-17 Serel Sa Système d'enregistrement d'incidents dans un véhicule de transport public de personnes.
GB2273624A (en) * 1992-12-16 1994-06-22 Westinghouse Brake & Signal Vehicle data recorder.
DE19538022C1 (de) * 1995-10-12 1997-01-09 Schaltbau Ag Vorrichtung zur Steuerung eines Schienenfahrzeugs

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DE19725308A1 (de) 1998-12-17
DE19725308C2 (de) 1999-08-12
EP0890496A1 (fr) 1999-01-13
ATE223824T1 (de) 2002-09-15
DE59805480D1 (de) 2002-10-17

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