EP0699573A1 - Vorrichtung und Verfahren zur Übertragung von Informationen durch Baken und Bake zur Verwendung in einer solchen Vorrichtung - Google Patents

Vorrichtung und Verfahren zur Übertragung von Informationen durch Baken und Bake zur Verwendung in einer solchen Vorrichtung Download PDF

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Publication number
EP0699573A1
EP0699573A1 EP95401953A EP95401953A EP0699573A1 EP 0699573 A1 EP0699573 A1 EP 0699573A1 EP 95401953 A EP95401953 A EP 95401953A EP 95401953 A EP95401953 A EP 95401953A EP 0699573 A1 EP0699573 A1 EP 0699573A1
Authority
EP
European Patent Office
Prior art keywords
beacon
messages
control device
transmission
information
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
EP95401953A
Other languages
English (en)
French (fr)
Other versions
EP0699573B1 (de
Inventor
Didier Riffaud
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alstom Transport SA
Original Assignee
GEC Alsthom Transport SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GEC Alsthom Transport SA filed Critical GEC Alsthom Transport SA
Publication of EP0699573A1 publication Critical patent/EP0699573A1/de
Application granted granted Critical
Publication of EP0699573B1 publication Critical patent/EP0699573B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B61L3/121—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 magnetic induction
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles

Definitions

  • the present invention relates to automatic systems, on the ground and on board, for traffic control on urban transport networks, in general, and relates, more particularly, to a device and a method for transmitting information by beacons as well as to a beacon used in such a device.
  • the prior art information transmission devices use point beacons.
  • beacons are passive beacons and are arranged on the ground.
  • FIG. 1 represents a device for transmitting information of the state of the art comprising equipment on board a rail vehicle and a ground installation.
  • the information transmission device shown in FIG. 1 comprises ground installations 1, 2 and on-board equipment 3, 4 in a rail vehicle 5.
  • Ground installations consist of a beacon 1 and its control device 2, the assembly being connected by means of a transmission line 7.
  • the beacon 1 is fixed on sleepers, in the axis of a railway track 6.
  • the on-board equipment mainly consists of an antenna 3 and an evaluation unit 4.
  • the evaluation unit 4 which can be a computer, is powered by its own converter and is connected to the antenna 3.
  • the antenna 3 is located under the rail vehicle 5, preferably at the front of it.
  • the beacons used in the control systems allow the transmission of information on the state of the signaling downstream of their geographical position.
  • This information is received using an antenna located under the train.
  • the beacon transmits a series of bits in series, for example at a speed of 50 kbits / s, by means of electronic control equipment responsible for preparing a message.
  • These beacons have a fixed length, which defines a region of space in which the antenna on board a train is capable of receiving the message transmitted.
  • This capture length also called contact length, makes it possible to transmit a certain number of bits of a message to be transmitted.
  • a binary message is read between a control device and the train via a beacon. Synchronization takes place between the start of the message and the arrival of the train on the beacon and therefore at the start of reading the beacon.
  • FIGS. 2A to 2C illustrate, respectively, the transmission of messages Mn by means of a beacon of the state of the art, the reading of the message by means of the on-board antenna then the reconstruction of the message transmitted from the message read.
  • FIG. 2A shows a series of identical Mn messages sent by a control device and transmitted via a beacon to an on-board antenna.
  • the on-board antenna has a predetermined reading window which depends on its structure.
  • the binary message read by the on-board antenna may not correspond to the complete Mn message, but most often corresponds to a juxtaposition of two complementary parts of two successive Mn messages.
  • FIG. 2B illustrates this binary message read by the on-board antenna.
  • FIG. 2C illustrates the binary message reconstructed on board the train.
  • the antenna reception length therefore does not allow the reception of more than one message.
  • a difficulty therefore appears when the equipment responsible for establishing the messages sent switches the content of these messages, for example to take into account a change in signaling state.
  • the message reconstructed on board the train is therefore incoherent because it consists of two parts of a first and a second message sent with different contents.
  • An object of the invention is therefore a device for transmitting information by beacons which does not have this drawback.
  • Another object of the invention is a device for transmitting information by beacons allowing the reconstitution of coherent messages at any time.
  • the device for transmitting information Mn by means of a beacon controlled by a control device said information Mn being transmitted to an antenna by means of said beacon, said antenna being carried on a vehicle, said control device being capable of effecting a switching C between said messages Mn and messages Mn + 1, is characterized in that, when said vehicle is near said beacon, said control device delays said switching C between said Mn messages and said Mn + 1 messages by transmitting one or more additional Mn Mns messages.
  • the invention also relates to a tag for an information transmission device.
  • the tag for information transmission device is connected to a control device by a transmission line, and is characterized by means of transmission, to said control device, of a signal relating to the presence of a vehicle near said tag.
  • the invention also relates to a method for transmitting information.
  • FIGS. 3A to 3E illustrate the delayed transmission of the switching C between the messages Mn and the messages Mn + 1 by means of a beacon conforming to the principle of the invention.
  • This information relating to the presence of a train makes it possible to generate a delay in the switching C of the content of the messages.
  • control device transmits one or more additional Mn messages Mns to the beacon so as to delay switching C between the Mn messages and the Mn + 1 messages.
  • FIG. 4 represents a block diagram of a preferred embodiment of a beacon used in the device for transmitting information by beacons according to the invention.
  • the tag 1 used in the information transmission system is passive equipment, that is to say having no permanent own electrical energy source.
  • the beacon 1 is remotely supplied only when a train 5 is present below the beacon 1.
  • the remote supply is carried out in a known manner by coupling between the antenna 3 of the train and the beacon 1.
  • the beacon 1 is therefore not capable of supplying energy to supply an electric line 7 for transmission to the control device 2.
  • the information relating to the presence of a train is produced, in accordance with the invention, by the superimposition by the control device 2 of two signals on the transmission line 7 towards the beacon 1.
  • These superimposed signals consist of an alternating voltage corresponding to the messages sent Mn and of a direct current polarization of the transmission line corresponding to the information relating to the presence of a train.
  • the tag 1 In the presence of a train 5, the tag 1 short-circuits the end of the transmission line coming from the control device 2 for direct current only.
  • the control device 2 then detects a short circuit on the transmission line 7 for direct current only and deduces therefrom information relating to the presence of a train 5 directly above the beacon 1 connected to the short line. circuited.
  • the messages can be sent by the control device 2 to the antenna 3 on board by means of the beacon 1.
  • the first interface 8 sensitive only to AC signals has the function of receiving messages sent by the control device 2 and intended to be read by the on-board antenna 3.
  • the second interface 9 sensitive only to direct current has the function of short-circuiting the transmission line 7 for direct current only.
  • the information transmission method Mn comprises a first step consisting of superimposing, on the transmission line 7 connecting the beacon 1 and the transmission device 2, by means of the control device 2, an alternating voltage corresponding to the messages sent and a direct current.
  • a second step consists in short-circuiting for direct current only, by means of the transmission means 9, the transmission line 7, when receiving, by means of the transmission means 9, information 10 relating to the presence of the vehicle 5 near the beacon 1.
  • the next step is to detect the short circuit by means of the control device 2.
  • a fourth step consists in delaying, by means of the control device 2, the switching C between the messages Mn and the messages Mn + 1, by the transmission, still by means of the control device 2, of one or more additional messages Mn Mns.

Landscapes

  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Multi-Process Working Machines And Systems (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Small-Scale Networks (AREA)
  • General Factory Administration (AREA)
  • Near-Field Transmission Systems (AREA)
EP95401953A 1994-08-31 1995-08-25 Vorrichtung und Verfahren zur Übertragung von Informationen durch Baken und Bake zur Verwendung in einer solchen Vorrichtung Expired - Lifetime EP0699573B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9410476A FR2724075B1 (fr) 1994-08-31 1994-08-31 Dispositif et procede de transmission d'informations par balises et balise utilisee dans un tel dispositif
FR9410476 1994-08-31

Publications (2)

Publication Number Publication Date
EP0699573A1 true EP0699573A1 (de) 1996-03-06
EP0699573B1 EP0699573B1 (de) 1998-07-01

Family

ID=9466601

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95401953A Expired - Lifetime EP0699573B1 (de) 1994-08-31 1995-08-25 Vorrichtung und Verfahren zur Übertragung von Informationen durch Baken und Bake zur Verwendung in einer solchen Vorrichtung

Country Status (20)

Country Link
EP (1) EP0699573B1 (de)
KR (1) KR100344604B1 (de)
CN (1) CN1135181C (de)
AT (1) ATE167837T1 (de)
AU (1) AU699130B2 (de)
BG (1) BG62867B1 (de)
BR (1) BR9503850A (de)
CZ (1) CZ287266B6 (de)
DE (1) DE69503200T2 (de)
DK (1) DK0699573T3 (de)
ES (1) ES2119334T3 (de)
FI (1) FI107793B (de)
FR (1) FR2724075B1 (de)
GR (1) GR3027692T3 (de)
HU (1) HU221080B1 (de)
NO (1) NO310799B1 (de)
PL (1) PL178868B1 (de)
RO (1) RO114431B1 (de)
SK (1) SK281145B6 (de)
ZA (1) ZA957274B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1562304A1 (de) * 2004-02-06 2005-08-10 Siemens Schweiz AG Verfahren zur Datenübertragung mittels Feldpolarisation bei Nahfeldübertragung
WO2008021688A3 (en) * 2006-08-15 2008-05-15 Gen Electric System and method for acquiring position of rolling stock
FR3078310A1 (fr) * 2018-02-27 2019-08-30 Alstom Transport Technologies Procede de controle de vehicules ferroviaires, dispositif et systeme associes

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070078574A1 (en) * 2005-09-30 2007-04-05 Davenport David M System and method for providing access to wireless railroad data network
CN113844504B (zh) * 2021-08-31 2024-03-29 通号城市轨道交通技术有限公司 车载atp控制方法及系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2902238A1 (de) * 1979-01-20 1980-07-31 Standard Elektrik Lorenz Ag Einrichtung zur zugschlussueberwachung
JPS6418770A (en) * 1987-07-15 1989-01-23 Nippon Signal Co Ltd Information transmitter
FR2640570A1 (fr) * 1988-12-21 1990-06-22 Matra Transport Dispositif d'identification de vehicule pour installation de transport

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2902238A1 (de) * 1979-01-20 1980-07-31 Standard Elektrik Lorenz Ag Einrichtung zur zugschlussueberwachung
JPS6418770A (en) * 1987-07-15 1989-01-23 Nippon Signal Co Ltd Information transmitter
FR2640570A1 (fr) * 1988-12-21 1990-06-22 Matra Transport Dispositif d'identification de vehicule pour installation de transport

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 013, no. 193 (M - 822) 9 May 1989 (1989-05-09) *
SJÖBERG A: "Automatic train control", ERICSSON REVIEW, 1981, SWEDEN, vol. 58, no. 1, ISSN 0014-0171, pages 22 - 29 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1562304A1 (de) * 2004-02-06 2005-08-10 Siemens Schweiz AG Verfahren zur Datenübertragung mittels Feldpolarisation bei Nahfeldübertragung
WO2005076494A1 (de) * 2004-02-06 2005-08-18 Siemens Schweiz Ag Verfahren zur datenübertragung mittels feldpolarisation
WO2008021688A3 (en) * 2006-08-15 2008-05-15 Gen Electric System and method for acquiring position of rolling stock
FR3078310A1 (fr) * 2018-02-27 2019-08-30 Alstom Transport Technologies Procede de controle de vehicules ferroviaires, dispositif et systeme associes
EP3536579A1 (de) * 2018-02-27 2019-09-11 ALSTOM Transport Technologies Kontrollverfahren von schienenfahrzeugen, entsprechende vorrichtung und entsprechendes system

Also Published As

Publication number Publication date
HU9502419D0 (en) 1995-10-30
ES2119334T3 (es) 1998-10-01
CN1135181C (zh) 2004-01-21
FI954027A0 (fi) 1995-08-28
CZ221695A3 (en) 1996-03-13
BG99891A (bg) 1996-04-30
NO953399L (no) 1996-03-01
ATE167837T1 (de) 1998-07-15
SK281145B6 (sk) 2000-12-11
ZA957274B (en) 1996-04-04
FI107793B (fi) 2001-10-15
NO310799B1 (no) 2001-08-27
FR2724075A1 (fr) 1996-03-01
DK0699573T3 (da) 1998-11-09
CZ287266B6 (en) 2000-10-11
EP0699573B1 (de) 1998-07-01
PL310230A1 (en) 1996-03-04
RO114431B1 (ro) 1999-04-30
PL178868B1 (pl) 2000-06-30
SK108095A3 (en) 1996-04-03
FR2724075B1 (fr) 1997-01-03
DE69503200T2 (de) 1999-01-07
NO953399D0 (no) 1995-08-30
AU3027095A (en) 1996-03-14
GR3027692T3 (en) 1998-11-30
KR960008648A (ko) 1996-03-22
BR9503850A (pt) 1996-09-17
AU699130B2 (en) 1998-11-26
KR100344604B1 (ko) 2006-03-27
CN1127714A (zh) 1996-07-31
FI954027L (fi) 1996-03-01
BG62867B1 (bg) 2000-09-29
DE69503200D1 (de) 1998-08-06
HUT73544A (en) 1996-08-28
HU221080B1 (hu) 2002-07-29

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