EP0699573B1 - Dispositif et procédé de transmission d'informations par balises et balise apte à être utilisée dans un tel dispositif - Google Patents

Dispositif et procédé de transmission d'informations par balises et balise apte à être utilisée dans un tel dispositif Download PDF

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Publication number
EP0699573B1
EP0699573B1 EP95401953A EP95401953A EP0699573B1 EP 0699573 B1 EP0699573 B1 EP 0699573B1 EP 95401953 A EP95401953 A EP 95401953A EP 95401953 A EP95401953 A EP 95401953A EP 0699573 B1 EP0699573 B1 EP 0699573B1
Authority
EP
European Patent Office
Prior art keywords
messages
beacon
control device
vehicle
mns
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.)
Expired - Lifetime
Application number
EP95401953A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0699573A1 (fr
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/fr
Application granted granted Critical
Publication of EP0699573B1 publication Critical patent/EP0699573B1/fr
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 a device and a method for transmission of information by a beacon so that a beacon and device, control for an information transmission device.
  • These tags are passive tags and are arranged on the ground.
  • Figure 1 shows a transmission device state of the art information including a equipment on board a railway vehicle and a floor installation.
  • the information transmission device shown in Figure 1 includes ground installations 1, 2 and on-board equipment 3, 4 in a vehicle rail 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 crosspieces, in the axis a railway track 6.
  • the on-board equipment mainly consists 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 antenna 3.
  • the antenna 3 is located under the rail vehicle 5, preferably at the front of it.
  • the tags used in the control systems allow the transmission of information on signaling status downstream of their geographic position.
  • This information is received using an antenna located under the train.
  • the tag emits a series of bits in series, for example at a speed of 50 kbit / s, using equipment control electronics responsible for developing a message.
  • These tags have a fixed length, which defines a region of space in which the antenna on board of a train is capable of receiving the transmitted message.
  • This length of capture also called length contact, allows to transmit a certain number of bits of a message to transmit.
  • a binary message is read between a control device and the train via a beacon.
  • a synchronization takes place between the start of the message and the arrival of the train on the beacon and therefore at the start of the reading the tag.
  • FIGS. 2A to 2C illustrate, respectively, the emission of Mn messages by means of a state tag the technique, the reading of the message by means of the antenna on-board and then the reconstruction of the message sent from message read.
  • FIG. 2A shows a series of Mn messages identical emitted by a control device and transmitted via a beacon to an on-board antenna.
  • the on-board antenna has a reading window predetermined which is a function of its structure.
  • the binary message read by the on-board antenna may not not match the full Mn message, but match the more often to a juxtaposition of two parts complementary to two successive Mn messages.
  • Figure 2B illustrates this binary message read by the on-board antenna.
  • FIG. 2C illustrates the binary message reconstructed at board the train.
  • the antenna capture length therefore does not allow the reception of more than one message.
  • the message reconstituted on board the train is then inconsistent because composed of two parts of a first and a second messages sent with different content.
  • An object of the invention is therefore a device for transmission of information by tags not presenting this disadvantage.
  • Another object of the invention is a device for transmission of information by beacons allowing everything instant reconstitution of coherent messages.
  • the device for message transmission contains the characteristics according to claim 1.
  • the invention also relates to a beacon and a control device. for a message transmission device containing the characteristics according to claim 5.
  • the invention also relates to a method of transmission of messages containing the characteristics according to claim 6.
  • FIGS. 3A to 3E illustrate the delayed emission of switching C between Mn messages and Mn + 1 messages by means of a tag conforming to the principle of the invention.
  • This information relating to the presence of a train allows to generate a delay in the switching C of the content messages.
  • control device emits one or several additional Mn messages Mns to the beacon so as to delay switching C between messages Mn and Mn + 1 messages.
  • FIG. 4 represents a block diagram of a mode preferred embodiment of a tag used in the beacon information transmission device according to the invention.
  • Beacon 1 used in the transmission system information is passive equipment, i.e. having no own source of electrical energy permed.
  • tag 1 is only remotely powered 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 tag 1 is therefore not capable of providing energy to power a power line 7 of transmission to the control device 2.
  • These superimposed signals consist of a voltage alternative corresponding to the messages sent Mn and a DC 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 from the control device 2 for direct current only.
  • the control device 2 then detects a short circuit on transmission line 7 for current continuous only and infers information relating to the presence of a train 5 directly above the connected beacon 1 to the short-circuited line.
  • the alternating voltage corresponding to the messages sent not being short-circuited by tag 1, 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 alternative signals has the function of receiving messages sent by the control device 2 and intended for be read by the on-board antenna 3.
  • the second interface 9 sensitive only to current continuous has the function of short-circuiting the line of transmission 7 for direct current only.
  • the information transmission method Mn comprises a first step consisting in superimposing, on the line of transmission 7 connecting the beacon 1 and the device transmission 2, by means of the control device 2, a AC voltage corresponding to the messages sent and a direct current.
  • a second step is to short-circuit for direct current only, using the second interface 9, the transmission line 7, during the reception, by means of the second interface 9, of a information 10 relating to the presence of the vehicle 5 to proximity to beacon 1.
  • the next step is to detect the short circuit by means of the control device 2.
  • a fourth step is to delay, using the control device 2, switching C between the Mn messages and Mn + 1 messages, by transmission, always by means of the control device 2, one or several additional Mn messages Mns.

Landscapes

  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (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)
  • Near-Field Transmission Systems (AREA)
  • Small-Scale Networks (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • General Factory Administration (AREA)
EP95401953A 1994-08-31 1995-08-25 Dispositif et procédé de transmission d'informations par balises et balise apte à être utilisée dans un tel dispositif Expired - Lifetime EP0699573B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9410476 1994-08-31
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

Publications (2)

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

Family

ID=9466601

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95401953A Expired - Lifetime EP0699573B1 (fr) 1994-08-31 1995-08-25 Dispositif et procédé de transmission d'informations par balises et balise apte à être utilisée dans un tel dispositif

Country Status (20)

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

Families Citing this family (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
US20070078574A1 (en) * 2005-09-30 2007-04-05 Davenport David M System and method for providing access to wireless railroad data network
US20080042015A1 (en) * 2006-08-15 2008-02-21 Plawecki Daniel W 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
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2902238C2 (de) * 1979-01-20 1986-07-24 Standard Elektrik Lorenz Ag, 7000 Stuttgart Einrichtung zur Zugschlußüberwachung
JP2549385B2 (ja) * 1987-07-15 1996-10-30 日本信号株式会社 情報伝送装置
FR2640570B1 (fr) * 1988-12-21 1991-06-14 Matra Transport Dispositif d'identification de vehicule pour installation de transport

Also Published As

Publication number Publication date
FR2724075B1 (fr) 1997-01-03
NO310799B1 (no) 2001-08-27
HU221080B1 (hu) 2002-07-29
DK0699573T3 (da) 1998-11-09
KR960008648A (ko) 1996-03-22
FI954027A0 (fi) 1995-08-28
ES2119334T3 (es) 1998-10-01
FR2724075A1 (fr) 1996-03-01
AU3027095A (en) 1996-03-14
NO953399L (no) 1996-03-01
BR9503850A (pt) 1996-09-17
BG99891A (bg) 1996-04-30
DE69503200D1 (de) 1998-08-06
FI107793B (fi) 2001-10-15
CZ221695A3 (en) 1996-03-13
EP0699573A1 (fr) 1996-03-06
CN1135181C (zh) 2004-01-21
AU699130B2 (en) 1998-11-26
GR3027692T3 (en) 1998-11-30
CZ287266B6 (en) 2000-10-11
PL178868B1 (pl) 2000-06-30
SK108095A3 (en) 1996-04-03
SK281145B6 (sk) 2000-12-11
HU9502419D0 (en) 1995-10-30
ATE167837T1 (de) 1998-07-15
PL310230A1 (en) 1996-03-04
NO953399D0 (no) 1995-08-30
BG62867B1 (bg) 2000-09-29
ZA957274B (en) 1996-04-04
KR100344604B1 (ko) 2006-03-27
CN1127714A (zh) 1996-07-31
FI954027A (fi) 1996-03-01
DE69503200T2 (de) 1999-01-07
HUT73544A (en) 1996-08-28
RO114431B1 (ro) 1999-04-30

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