EP0890496A1 - 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
EP0890496A1
EP0890496A1 EP98250201A EP98250201A EP0890496A1 EP 0890496 A1 EP0890496 A1 EP 0890496A1 EP 98250201 A EP98250201 A EP 98250201A EP 98250201 A EP98250201 A EP 98250201A EP 0890496 A1 EP0890496 A1 EP 0890496A1
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EP
European Patent Office
Prior art keywords
video information
unit
data
control center
train
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98250201A
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German (de)
English (en)
Other versions
EP0890496B1 (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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Publication of EP0890496A1 publication Critical patent/EP0890496A1/fr
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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.
  • a device for influencing the line train in which data telegrams are transmitted from the moving rail vehicle by means of a transmitter BS to receiver devices S1 to S9 located outside the train and connected to a fixed control point OFS and positioned along the route of the train when the train is in the area of the respective receiving facility.
  • the route is divided into sub-areas, each of which is assigned a receiving device S1 to S9.
  • Each sub-area 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 used.
  • the radio zones are designed in such a way that they overlap slightly and thus ensure seamless data transmission when the vehicle moves from one sub-area TB to the next along the route.
  • DE 195 38 022 C2 describes a device for controlling a rail vehicle, in which the signal systems of a respective section of the route are checked. The signal state of the respective system must be recognized by an image capture device (camera). Before the start of the route, data about the positions of the signal systems, with their possible signal states, of the route sections are stored in a memory of the rail vehicle device. Using a position detection device, the current location of the rail vehicle can be recognized along the route via satellite or position sensors (induction loops). On the basis of this information, the data processing device retrieves the data of the associated route section from the memory.
  • the object of the invention is to specify a method for monitoring the type of train mentioned at the beginning and an arrangement for carrying out the method with which it is possible to visually and acoustically observe the interiors of the cars.
  • the transmission of the information recorded for monitoring a moving, rail-bound train to a control center can be carried out at any time and regardless of the location of the train.
  • the transmission is triggered on the one hand by an alarm device in the car or on the other by request of the supervisory staff in the control center, so that a transmission only takes place 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 one or more freight wagons during train monitoring of a freight train enables, according to an advantageous further development of the invention, a control of the wagon load and the immediate vicinity of the corresponding wagon, so that, for example, a tarpaulin attached to protect the load is released or a criminal Activity of unauthorized persons can be recognized in good time on the corresponding car.
  • 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 fight crime or prevention can be used.
  • the video information captured by an image recording device is anolog / digitally converted, compressed and passed into a memory in an image processing unit if neither an alarm unit in the car or in the car group has been triggered, nor is the transmission of the video information requested by a control center outside the train .
  • the video information is forwarded without storage to a data transmission and reception unit mounted in the car, which establishes a radio connection to one of the reception devices designed as data transmission units positioned along the route.
  • the video information is then transmitted in packets to the data transmission unit and is forwarded to a remote control center via a route cable laid parallel to the route.
  • the video information is received by a central computer and distributed and made observable via a data bus to one or more observation workstations, each of which is equipped with electronic means for video data decompression.
  • video information is constantly generated, but is only transmitted if there is an occasion for this, such as a passenger in need, so that the observation personnel in the control center are not burdened with redundant information.
  • the video information is stored in packets in a memory designed as a circular storage unit, the oldest data packet being overwritten by the newest packet during each storage process. Thus the events of the recent past are continuously recorded. This information can advantageously be called up in the event that, for example, the events preceding an alarm are useful for the reconstruction of a criminal fact.
  • an alarm signal is sent to a control unit, which gives the command to establish a data connection to the control center via the internal serial data bus to a data transmission and reception unit.
  • the data transmission and reception unit has electronic means for establishing a full-duplex radio connection, with a high-frequency unit, which has an omnidirectional antenna and a device for separating transmission and reception signals, being attached to the outside of the car.
  • data transmission units which are constructed in the car analogously to the data transmission and reception unit and are connected to the control center via a route cable, are positioned so that there are overlapping radio zones.
  • the high-frequency unit consists of an antenna, which has a directional characteristic and is oriented so that the largest possible part of the route is covered, and a device for separating transmission and reception signals.
  • Each data transmission unit sends an identifiable frame, which contains its specific address and the specification of the radio channel to be used for data exchange, at predefinable time intervals.
  • the data transmission and reception unit in the car evaluates the identification frame and, in return, sends 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 establishes a connection to the central computer in the control center via the route cable, which is preferably designed as a fiber optic cable.
  • the central computer determines which of the observation workstations connected to the central computer via a data bus can receive the alarm triggered by the car and establishes a connection.
  • An alarm message appears on the monitor of the observation workstation, which must be acknowledged by the observer.
  • An acknowledgment frame is generated which is addressed to the control unit in the car which triggers the alarm and which runs through the connection path in the opposite direction.
  • there is a point-to-point connection between the image recording unit in the car and the observation point in the control center which is used for the continuous transport of the video data packets.
  • the storage of the video information is stopped and a data path to bypass the memory is switched.
  • a command is sent from the control center to the control unit in the car, which causes the control unit to read the data from the circular memory and to send it to the control center. Finally, the control unit sends a frame that contains a command to clear the connection.
  • a point-to-point connection is established to a precisely defined image recording device of a car or a group of cars.
  • the data transmission units arranged along the route send out identification frames at predefinable time intervals. If the data sending and receiving unit of a car receives this identification frame, it in turn sends an identification frame with the unique car address.
  • the data transmission unit sends this information to the central computer in the control center, which calculates an up-to-date list of the car locations from the total of the location information.
  • the central computer sends a command frame to the data transmission unit, in the radio zone of which the car with the image recording device to be called is located, which contains the command to set up a full duplex data connection, the car address and the subaddress of the selected image recording unit via the line cable.
  • the data transmission unit establishes a radio link to the addressed car, in which a number of image recording units can be arranged.
  • the data transmission and reception unit in the car evaluates the subaddress of the image recording device and establishes a connection via the data bus to the control unit which is assigned to the addressed image recording device.
  • the control unit receives the command to prepare the transmission of the video information by stopping the storage of the video information and switching a data path to bypass the memory.
  • the control unit then carries out the transmission of video information packets over the established point-to-point connection to the requesting observation work station. The transmission is stopped and the connection is closed as soon as a corresponding command frame is sent to the control unit from the observation work station.
  • the arrangement for carrying out the method for train monitoring has at least one data acquisition and processing device which is assigned to a carriage or a carriage group of the train to be monitored and which comprises an image recording device, for example a video camera, an image processing unit, an alarm unit and a control unit.
  • the data acquisition and processing devices are connected via a data path designed as a serial data bus to a data transmission and reception device which is assigned to the car or to the car group and which has means for emitting and receiving radio signals.
  • the arrangement for carrying out the method for train monitoring furthermore has a plurality of data transmission units arranged in a stationary manner along the route of the train to be monitored, the means for emitting and receiving radio signals and means for receiving and feeding in a data stream from and into a section cable designed as a glass fiber cable own on.
  • the line cable is connected to a control center, which comprises a central computer and several observation workstations downstream of it.
  • Each observation work station has electronic means for image data decompression and for displaying the image information generated and transmitted in accordance with the method.
  • 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) are digitized in an analog / digital converter (22.1) and compressed in the image compression unit (22.2) arranged downstream of the converter (22.1).
  • the first video camera (21) is positioned within the carriage or group of carriages in such a way that its lens points in the direction of travel of the train, whereas the lens of the second video camera points in the opposite direction. This arrangement enables monitoring of the respective car interior, in which the disruptive influence of a blind spot can essentially be excluded.
  • the image compression unit (22.2) provided in the image processing unit (22) has electronic means by means of which the still information is suppressed, the color information is reduced and the image resolution is reduced in the recorded video information.
  • the data compression takes place to such an extent that, on the one hand, an amount of information that can be adequately evaluated for train monitoring in order to fight and prevent crime and, on the other hand, only a minimum of transmission capacity has to be used.
  • the image processing unit (22) has a data memory (22.3) designed as a circular memory, in which the compressed image information is stored in packets in such a way that the newest packet overwrites the oldest.
  • the circular memory (22.3) thus contains a volume of current video information which can be predetermined by the memory size and which is transmitted to the remote control center (80) on request.
  • the alarm unit (23) which is preferably coupled to the emergency brake of the car (10) is connected to a control unit (25) which evaluates the signal from the alarm unit.
  • the control unit (25) uses the circular memory control line (24) to stop the storage and to switch a data path bypassing the circular memory as soon as and as long as the compressed video information is transmitted to the control center (80) without intermediate storage.
  • a data bus (30) designed as a serial data bus transports the video data fed in by the control unit (25) via a data bus coupling node (31) to the central data transmission and reception unit (40).
  • the data transmission and reception unit comprises a data bus interface (41) designed as a communication processor, a data processing device (42) designed as a baseband processor, a modulator (43) and a transmission amplifier (44) for the transmission direction, a reception amplifier (46) and a demodulator for the reception direction (47) and a radio frequency unit (45).
  • the high-frequency unit (45) is preferably arranged outside on the roof of the car and contains means for separating transmission and reception signals and an omnidirectional antenna.
  • the baseband processor (42) has means for data encryption and decryption and for the correction of transmission errors.
  • the data transmission units (60) which are arranged along the route and connected to the control center (80) via a route cable (70) and which act as a counterpart to the data transmission and reception unit (40).
  • the data transmission unit (60) has a high-frequency unit (61), a reception amplifier (62) and a demodulator (63) for the reception path, a transmission amplifier (66) and a modulator (67), a baseband processor (64) and one for the transmission path Communication processor (65).
  • the high-frequency unit (61) unlike the equipment of the car, has a directional antenna, which is aligned in such a way that the largest possible part of the travel path is covered.
  • the adjacent data transmission units are positioned in such a way that radio zones overlap slightly and that a radio connection to one of the data transmission units can be established at any location on the route.
  • the communication processor (65) is connected via a glass fiber coupling node (71) to the line cable, which is designed as a glass fiber cable, and provides for the bidirectional data transport to the control center (80) and / or to a car (10). Among other things, it ensures the registration of the wagons currently in the radio zone of the data transmission unit and the forwarding of this information to the control center (80).
  • the control center (80) is connected to the glass fiber cable via a fiber optic coupling node and has a central computer (81) and several observation workstations (82, 82 ', 82'') connected to the central computer via a data bus (83).
  • the central computer (81) has the main task of distributing all video data streams arriving from different wagons or trains evenly 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 execution of application and operating programs, a viewing device (82.3) designed as a monitor 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)
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
DE19725308 1997-06-11
DE19725308A DE19725308C2 (de) 1997-06-11 1997-06-11 Verfahren und Anordnung zur visuellen Überwachung eines fahrenden Zuges

Publications (2)

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

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ID=7832562

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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

Country Status (3)

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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001095285A2 (fr) * 2000-06-05 2001-12-13 Fleck Elektroinstallationen Ges. M. B. H. Systeme de transmission de signaux de vehicules
EP1632903A1 (fr) * 2004-09-01 2006-03-08 Alexander Merkle Procédé et système de surveillance extérieure d'un moyen de transport
WO2009150084A1 (fr) * 2008-06-10 2009-12-17 Siemens Aktiengesellschaft Système de transmission de données
WO2014033087A2 (fr) * 2012-08-31 2014-03-06 Siemens Aktiengesellschaft Surveillance d'un tronçon de chemin de fer
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0005532A1 (fr) * 1978-05-19 1979-11-28 Raffaele Conte Dispositif embarqué sur un véhicule pour l'enregistrement d'accidents
EP0310705A1 (fr) * 1987-10-09 1989-04-12 AEG KABEL Aktiengesellschaft Système de radio transmission
JPH03224099A (ja) * 1990-01-30 1991-10-03 Toshiba Corp 車内状況監視装置
EP0600818A1 (fr) * 1992-11-30 1994-06-08 SOCIETE D'ETUDES ET DE REALISATIONS ELECTROTECHNIQUES ET ELECTRONIQUES SEREL FRANCE Société anonyme 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.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2704143C2 (de) * 1977-02-02 1984-05-17 Standard Elektrik Lorenz Ag, 7000 Stuttgart Einrichtung zur Steuerung und Sicherung von trassengebundenen Fahrzeugen
DE19538022C1 (de) * 1995-10-12 1997-01-09 Schaltbau Ag Vorrichtung zur Steuerung eines Schienenfahrzeugs

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0005532A1 (fr) * 1978-05-19 1979-11-28 Raffaele Conte Dispositif embarqué sur un véhicule pour l'enregistrement d'accidents
EP0310705A1 (fr) * 1987-10-09 1989-04-12 AEG KABEL Aktiengesellschaft Système de radio transmission
JPH03224099A (ja) * 1990-01-30 1991-10-03 Toshiba Corp 車内状況監視装置
EP0600818A1 (fr) * 1992-11-30 1994-06-08 SOCIETE D'ETUDES ET DE REALISATIONS ELECTROTECHNIQUES ET ELECTRONIQUES SEREL FRANCE Société anonyme 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.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 015, no. 515 (P - 1293) 27 December 1991 (1991-12-27) *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001095285A2 (fr) * 2000-06-05 2001-12-13 Fleck Elektroinstallationen Ges. M. B. H. Systeme de transmission de signaux de vehicules
WO2001095285A3 (fr) * 2000-06-05 2002-09-19 Fleck Elektroinstallationen Ge Systeme de transmission de signaux de vehicules
EP1632903A1 (fr) * 2004-09-01 2006-03-08 Alexander Merkle Procédé et système de surveillance extérieure d'un moyen de transport
WO2009150084A1 (fr) * 2008-06-10 2009-12-17 Siemens Aktiengesellschaft Système de transmission de données
CN102056785B (zh) * 2008-06-10 2013-04-24 西门子公司 数据传输系统
US8786705B2 (en) 2008-06-10 2014-07-22 Siemens Aktiengesellschaft Data transmission system
WO2014033087A2 (fr) * 2012-08-31 2014-03-06 Siemens Aktiengesellschaft Surveillance d'un tronçon de chemin de fer
WO2014033087A3 (fr) * 2012-08-31 2014-12-31 Siemens Aktiengesellschaft Surveillance d'un tronçon de chemin de fer
CN104583051A (zh) * 2012-08-31 2015-04-29 西门子公司 对铁路线路的监视
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

Also Published As

Publication number Publication date
EP0890496B1 (fr) 2002-09-11
ATE223824T1 (de) 2002-09-15
DE19725308C2 (de) 1999-08-12
DE19725308A1 (de) 1998-12-17
DE59805480D1 (de) 2002-10-17

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