EP0853574A2 - System for semicontinuous control of track-guided vehicles - Google Patents

System for semicontinuous control of track-guided vehicles

Info

Publication number
EP0853574A2
EP0853574A2 EP97938896A EP97938896A EP0853574A2 EP 0853574 A2 EP0853574 A2 EP 0853574A2 EP 97938896 A EP97938896 A EP 97938896A EP 97938896 A EP97938896 A EP 97938896A EP 0853574 A2 EP0853574 A2 EP 0853574A2
Authority
EP
European Patent Office
Prior art keywords
route
signal
assigned
vehicles
vehicle
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
EP97938896A
Other languages
German (de)
French (fr)
Other versions
EP0853574B1 (en
Inventor
Helmut Uebel
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel SA
Alcatel Alsthom Compagnie Generale dElectricite
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Publication date
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Application filed by Alcatel SA, Alcatel Alsthom Compagnie Generale dElectricite filed Critical Alcatel SA
Publication of EP0853574A2 publication Critical patent/EP0853574A2/en
Application granted granted Critical
Publication of EP0853574B1 publication Critical patent/EP0853574B1/en
Anticipated expiration legal-status Critical
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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
    • 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
    • B61L27/20—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation
    • 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

Definitions

  • the invention relates to a system for the semi-continuous control of track-bound vehicles according to the preamble of claim 1.
  • a route control center cyclically sends data telegrams with control information to all vehicles in their area via radio. Since the control is related to the current driving location of a particular vehicle, it must be ensured that the vehicle always only evaluates and takes into account the information that is relevant for its respective driving location. For this purpose, the vehicles are informed of fixed, point-shaped transmission devices on the route which are valid for the respective route location, with the aid of which they can sort out and evaluate the data telegrams relevant to them from the telegram sequence sent out by the control center.
  • a radio-based signal and traffic control system in which beacons arranged on the route transmit information to the passing train in a signal-safe manner, from which a computer in the locomotive calculates the current location. The location is then communicated to a central station by radio. The signal position for the following section of the route is determined from the desired destinations and the location of the trains.
  • DE-A-30 25 930 discloses a radio system in which message telegrams are exchanged between trains and transceiver stations arranged along a railway line. It is proposed there that the central transceiver calculates the route of the train in advance and only switches on those transceiver stations that are at the respective location of the train. In addition, it is provided to combine several transceiver stations into transmission sections and to transmit different transmission sections for adjacent transmission sections. To use receiving frequencies. The frequency used in the transmission section is communicated to the train at the beginning of each transmission section via a reporting point.
  • This radio system is suitable for exchanging messages along a linear route. For route areas with a large number of path elements such as B. a train station, however, this system is not suitable, since the combination of several transceiver stations into larger transmission sections of the same frequency means that a message cannot be specifically assigned to a specific location.
  • the assignment of own message channels also enables the information components intended for the individual vehicles to be securely separated from one another without complex data security measures which reduce the transmission capacity.
  • the restriction of the validity of the transmitted selection criteria on the transmission following predetermined travel intervals ensures that travel-related information can only be received in the travel section provided for this purpose. The case that a vehicle receives route information for a route location that it has long since left cannot therefore occur.
  • the assignment of separate message channels to individual route locations also enables a completely or partially decentralized arrangement of the route-side Channel.
  • a supply from the light signal circuit and the direct transfer of the signal information to the signal can be set up without difficulty and enables the transmission of the current signal term to the vehicles on track signals despite ignorance of the current signal term in the control center.
  • Claim 2 relates to the inclusion of signal locations in the set of predetermined route locations provided for the assignment of route information and the transmission of the current signal term together with the other route information.
  • Claims 3 to 7 relate to the implementation of the message channels individually assigned to the route locations. These can, according to claim 3, be designed as radio channels with different carrier frequencies, according to claim 4, as channels of a time-multiplexed or frequency-multiplexed data transmission system or, according to claim 5, as channels within a spread frequency band, the latter technique being available in two variants, namely frequency hopping coded (claim 6) or psoido noise - coded (claim 7) can be carried out and by far the most efficient use of the available frequency band.
  • Claim 8 provides for route locations that are signal locations at the same time, the additional transmission of a signal identifier and the signal distance.
  • the subject of claim 9 is the arrangement of a further punctiform transmission device at a signal location or shortly thereafter and thus enables the location-dependent deletion of the last valid selection criterion and / or the output of a new selection criterion assigned to the next predetermined route location.
  • Claim 10 relates to the deletion of the valid selection criterion depending on the distance traveled by the vehicle, measured on the vehicle.
  • a further development of the invention reproduced in claim 1 provides that the point-like transmission devices which follow one another on the route are provided with indicators which change in a predetermined sequence assigned to a direction of travel, which are picked up by the vehicles and with the aid of which the vehicles determine and check their direction of travel can. Failures of punctiform transmission devices can then also be easily recognized by the vehicles.
  • Claim 12 finally, relates to the establishment of a communication link in the direction from the vehicle to the route center or another route device. This enables a transfer of
  • Vehicle characteristics e.g. train number
  • the issuance of control commands to trackside facilities such as level crossings or switches.
  • FIG. 1 shows the principle of the invention on a single-track line equipped with a light signal.
  • FIG. 2 schematically shows a possible solution variant in the area of a train station with many signal locations, some of which are far apart, and other route locations selected for outputting route information.
  • Fig. 1 is a track GL with a light signal S and two point transmission devices, for. B.
  • Transponders TR1 and TR2 shown. Instead of transponders, short line conductor loops can also be used.
  • the transponder TR2 is so far away from the signal S that a vehicle FZ, also shown in the figure, which has just passed the transponder TR2 in the direction of the signal, can be brought to a standstill before the signal with service braking.
  • the vehicle is equipped with a control device SG, a receiver ET for transponder signals and a receiver EF for radio signals, which a radio transmitter FS connected to the light signal continuously emits along the route in the direction of the transponder TR2.
  • the radio signals are coded, for example, with a high-bit-rate pseudo noise code (PN code) and can only be received and evaluated by a receiver who knows the exact code or can reproduce it using the educational law known to him.
  • PN code pseudo noise code
  • a frequency-jump-coded, band-spread radio signal can also be sent.
  • the use of a dedicated radio channel with a frequency communicated to the vehicle via the transponder TR2 is also possible if the frequency used is available and is not disturbed.
  • the transponder TR1 arranged in the immediate vicinity of the signal has the task of transmitting deletion information to the vehicle which prevents further evaluation of the radio signals from the transmitter FS as soon as the vehicle has passed the transponder TRl. However, it can also be programmed so that it replaces the selection criterion transmitted on the transponder TR2, the PN code or its formation law for receiving the signals from the transmitter FS, by the information required for receiving the transmitter assigned to the next signal location. Both transponders also transmit an individually assigned license plate so that the direction of travel can be inferred from the sequence of the license plates recorded by a vehicle and received information transmitted by the radio transmitter for the opposite direction of travel can be recognized as invalid.
  • the information emitted by the transmitter FS is selectively assigned to the signal location and contains the current signal term and, in addition, route data such as route inclination, maximum route speed and the distance to the next signal.
  • route data can also be transmitted via the transponders.
  • Figure 2 shows a station system with two continuous tracks GL1, GL2 and two branching tracks GL3 and GL4 and various side and siding tracks.
  • Specified route locations which are usually also the location of signals S1 to S14, are each assigned certain route information and are transmitted by radio to approaching vehicles within a track section located in the direction of travel before the respective route location.
  • the radio transmitters for this purpose are located partly at a central point, for example in a signal box Z, partly arranged decentrally, on the light signals S1 and S14 and transmit a message channel individually assigned to this for each predetermined route location.
  • the selection criteria required to receive the respective news channel such as B.
  • transponders TI to T9 These transponders can work inductively in a known manner or can be designed as microwave transponders or short line conductor loops.
  • the set signal term is transmitted here, together with other route information to be transmitted, by a transmitter placed on the signal in the direction of the subsequent route track.
  • the vehicle coming from there has already passed a transponder (not shown in FIG. 2) well in front of the signal S1 and has received the selection criterion for receiving the information associated with the route location of the signal S1.
  • the vehicle was able to record its signal term and to take it into account when calculating its path-speed curve.
  • the vehicle passes the transponder T1. This is assigned to a next predetermined route location, at which the signal S6 is present, and transmits a selection criterion to the vehicle for receiving the message channel assigned to this next route location. At the same time, a delete command is transmitted which deletes the previously valid selection criterion in the memory of the vehicle radio receiver. Furthermore, the identifier of the signal S6 and the distance to this signal can be transmitted via the transponder TI. If, via the transponder TI and the subsequent transponders, transponder identifiers that change along the route in a predetermined sequence, for example consecutive numbers, are output, then the vehicle can recognize its respective direction of travel from its sequence and ignore information output for the opposite direction of travel.
  • the message channels assigned to the predetermined route locations are broadcast centrally.
  • a collective transmission device with several transmitters arranged in the signal box or in its immediate vicinity receives the signal terms known in the signal box, assigned to the signals located in the station area at predetermined route locations, and any further route data to be transmitted is transmitted via a data line and sends them via the respectively assigned route locations News channels. This is done with the lowest possible transmission power via antennas which generally radiate into the relevant route area.
  • the vehicle thus experiences the signal term of the signal S6 by receiving the corresponding message channel emitted by the transmitter of the signal box Z.
  • the transponder T2 has the same function as the transponder TI.
  • the vehicle receives the selection criterion for the reception of the messages ka na I assigned to the route location at which the signal S13 is located and can record the signal term set on the signal S1 3 via this message channel also emitted by the signal box transmitter.
  • the transponder T3 located at the location of the signal S13 is no longer assigned to a predetermined route location and therefore only transmits the delete command for the last valid selection criterion and e.g. a maximum line speed applicable for the onward journey.
  • Specified route locations do not necessarily have to be signal locations.
  • a message channel can be assigned to a slow speed point or a switch to be driven in the branch direction only with limited speed and a selection criterion can be transmitted by means of a transponder that has been laid a sufficient distance in front of it. May, for example, in Fig.2 Turnouts at the junction of track GL4 from track GL2 in the direction of track GL4 can only be driven at a limited speed, so the respective turnout position and thus the prescribed speed restriction can be communicated on track GL2 from right to left vehicles via a message channel broadcast by the signal box transmitter, whereby the selection criterion is transferred to the vehicle via the T5 transponder.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

This invention concerns a system for semi-continuous control of a plurality of trackbound vehicles (FZ) which are equipped with radio receivers (EF) and vehicle control devices (SG). This system can be economically used both around the rail station and on open stretches and requires neither additional route cables, nor radio transmitters with a long transmission range. To points along the route where vehicles will receive control information are allocated punctual transmission devices (TR1, TR2) and short-range simultaneous tansmitters (FS). The transmission devices transmit selection criteria to the vehicles which use the signals to receive the transmitter assigned to them. The transmitter is located, for example, at the site of a signal of open line (S) and conveys its current signal indication to the vehicle. The transmission energy and the signal information are taken from the signal electrical circuits. If a punctual transmission device or the transmitter fails, the vehicle notices it. Transmitters can also be gathered near a signal box from which they receive--via data link--the data to be sent. The transmitters work preferably in a spread carrier frequency band. The data transmission channels assigned to the transmitters are formed by frequency hopping or pseudo-noise coding.

Description

System zur semikontinuierlichen Steuerung von spurgeführten Fahrzeugen System for the semi-continuous control of track-guided vehicles
Die Erfindung betrifft ein System zur semikontinuierlichen Steuerung von spurgebundenen Fahrzeugen gemäß dem Oberbegriff des Patentanspruchs 1 .The invention relates to a system for the semi-continuous control of track-bound vehicles according to the preamble of claim 1.
Ein derartiges System ist z.B. aus der DE 26 57 71 9 AI bekannt und dort im Zusammenhang mit Fig.2 beschrieben. Eine Streckenzentrale sendet über Funk zyklisch Datentelegramme mit Steuerungsinformation an alle in ihrem Bereich befindlichen Fahrzeuge. Da die Steuerung auf den aktuellen Fahrort eines jeweiligen Fahrzeuges bezogen ist, muß sichergestellt sein, daß das Fahrzeug immer nur die Information auswertet und berücksichtigt, die für seinen jeweiligen Fahrort maßgeblich ist. Hierzu werden den Fahrzeugen über ortsfeste, punktförmige Übertragungseinrichtungen an der Strecke für den jeweiligen Streckenort gültige Kennungen mitgeteilt, mit deren Hilfe sie die für sie jeweils relevanten Datentelegramme aus der von der Zentrale ausgesendeten Telegrammfolge aussortieren und auswerten können.Such a system is e.g. known from DE 26 57 71 9 AI and described there in connection with Fig.2. A route control center cyclically sends data telegrams with control information to all vehicles in their area via radio. Since the control is related to the current driving location of a particular vehicle, it must be ensured that the vehicle always only evaluates and takes into account the information that is relevant for its respective driving location. For this purpose, the vehicles are informed of fixed, point-shaped transmission devices on the route which are valid for the respective route location, with the aid of which they can sort out and evaluate the data telegrams relevant to them from the telegram sequence sent out by the control center.
Die Verwendung eines einzigen Datenkanals zur Übertragung von Steuerungsinformation auf eine Vielzahl von Fahrzeugen stellt für Strecken mit wenigen Wegelementen und geringem, allenfalls mittlerem Verkehrsaufkommen möglicherweise eine brauchbare Lösung dar, um einerseits einen entlang der gesamten Strecke verlegten Linienleiter, andererseits die Übertragung zeitveränderlicher Daten über punktförmige Übertragungseinrichtungen und hierzu erforderliche Kabelverbindungen zu den Übertragungseinrichtungen zu vermeiden. Bei höherem Verkehrsaufkommen und in vielgleisigen, weitverzweigten Anlagen wird der Sendezyklus jedoch so lang, daß der notwendige dichte Fluß von Steuerungsinformation für die einzelnen Fahrzeuge nicht mehr garantiert werden kann. Wenn dann, z.B infolge von Übertragungsstörungen, einzelne empfangene Datentelegramme verfälscht sind und verworfen werden müssen, kann es zu sicherheitsbedingten Zwangsbremsungen kommen, die den Betrieb stören.The use of a single data channel for the transmission of control information to a large number of vehicles represents routes with few route elements and low, if necessary medium traffic volume Possibly a useful solution, on the one hand to avoid a line conductor laid along the entire route, and on the other hand to avoid the transmission of time-variable data via punctiform transmission devices and the necessary cable connections to the transmission devices. With higher traffic and in multi-track, widely branched systems, however, the transmission cycle becomes so long that the necessary dense flow of control information for the individual vehicles can no longer be guaranteed. If individual received data telegrams are corrupted and have to be discarded, for example as a result of transmission interference, safety-related emergency braking may occur which disrupt operation.
Außerdem sind die aktuellen Signalbegriffe von weiter entfernten Streckensignalen an zentraler Stelle oft nicht bekannt, so daß diese Informationen in die zyklische Datenausgabe nicht mit einbezogen werden können.In addition, the current signal terms of more distant route signals are often not known at a central point, so that this information cannot be included in the cyclical data output.
Aus der US-4 71 1 418 ist ein funkbasiertes Signal- und Verkehrssteuerungssystem bekannt, bei dem an der Strecke angeordnete Baken dem vorbeifahrenden Zug auf signaltechnisch sichere Weise Informationen übermitteln, aus denen ein Rechner im Triebfahrzeug den momentanen Aufenthaltsort berechnet. Der Aufenthaltsort wird dann über Funk einer Zentrale mitgeteilt. Dort wird aus den Zielwünschen und den Aufenthaltsorten der Züge die Siganlstellung für den jeweils folgenden Streckenabschnitt ermittelt.From US-4 71 1 418 a radio-based signal and traffic control system is known, in which beacons arranged on the route transmit information to the passing train in a signal-safe manner, from which a computer in the locomotive calculates the current location. The location is then communicated to a central station by radio. The signal position for the following section of the route is determined from the desired destinations and the location of the trains.
Ferner ist aus der DE-A-30 25 930 ein Funksystem bekannt, bei dem Nachrichtentelegramme zwischen Zügen und entlang einer Eisenbahnstrecke angeordneten Sende-Empfangsstationen ausgetauscht werden. Dort wird vorgeschlagen, daß die zentrale Sende- Empfangsstation den Weg des Zuges vorausberechnet und immer nur diejenigen Sende-Empfangsstationen eingeschaltet, die sich am jeweiligen Ort des Zuges befinden. Darüberhinaus ist vorgesehen, mehrere Sende-Empfangsstationen zu Übertragungsabschnitten zusammenzufassen und für aneinandergrenzende Übertragungsabschnitte unterschiedliche Sende- Empfαngsfrequenzen zu verwenden. Die im Übertrαgungsαbschnitt verwendete Frequenz wird dem Zug zu Beginn eines jeden Übertrαgungsαbschnittes über einen Meldepunkt mitgeteilt. Dieses Funksystem ist geeignet für den Nachrichtenaustausch entlang einer linienförmigen Strecke. Für Streckenbereiche mit einer großen Zahl von Wegelementen wie z. B. einem Bahnhof eignet sich dieses System jedoch nicht, da durch die Zusammenfassung von mehreren Sende-Empfangsstationen zu größeren Übertragungsabschnitten gleicher Frequenz eine Nachricht nicht einem bestimmten Orten gezielt zugeordnet werden kann.Furthermore, DE-A-30 25 930 discloses a radio system in which message telegrams are exchanged between trains and transceiver stations arranged along a railway line. It is proposed there that the central transceiver calculates the route of the train in advance and only switches on those transceiver stations that are at the respective location of the train. In addition, it is provided to combine several transceiver stations into transmission sections and to transmit different transmission sections for adjacent transmission sections. To use receiving frequencies. The frequency used in the transmission section is communicated to the train at the beginning of each transmission section via a reporting point. This radio system is suitable for exchanging messages along a linear route. For route areas with a large number of path elements such as B. a train station, however, this system is not suitable, since the combination of several transceiver stations into larger transmission sections of the same frequency means that a message cannot be specifically assigned to a specific location.
Es ist Aufgabe der Erfindung, ein Steuerungssystem der eingangs genannten Art anzugeben, bei dem in einem eine große Zahl von Wegelementen enthaltenden Streckenbereich wie z.B. einem Bahnhof mit anschließenden Streckenabschnitten eine große Zahl von Fahrzeugen gleichzeitig gesteuert werden können.It is an object of the invention to provide a control system of the type mentioned in the introduction, in which a route area containing a large number of path elements, e.g. a station with subsequent route sections can control a large number of vehicles simultaneously.
Diese Aufgabe wird durch die im Patentanspruch 1 angegebenen Merkmale gelöst.This object is achieved by the features specified in claim 1.
Durch die Zuordnung eines eigenen Nachrichtenkanals zu jedem vorgegebenen Streckenort kann eine große Zahl von Fahrzeugen gleichzeitig mit zur Steuerung benötigter Information versorgt werden. Durch Übertragungsstörungen hervorgerufene Lücken im Informationsfluss sind deshalb schmal und wirken sich auf die Kontinuität der Steuerung nicht aus. Die Zuordnung eigener Nachrichtenkanäle ermöglicht auch eine sichere Trennung der für die einzelnen Fahrzeuge bestimmten Informationsanteile voneinander ohne aufwendige, die Übertragungskapazität herabsetzende Datensicherungsmaßnahmen. Die Einschränkung der Gültigkeit der übertragenen Selektionskriterien auf der Übertragung folgende, vorgegebene Wegintervalle stellt sicher, daß eine fahrortbezogene Information nur in dem hierfür vorgesehenen Wegabschnitt empfangen werden kann. Der Fall, daß ein Fahrzeug Streckeninformation für einen Streckenort empfängt, den es längst verlassen hat, kann somit nicht eintreten. Die Zuordnung separater Nachrichtenkanäle zu einzelnen Streckenorten ermöglicht außerdem eine ganz oder teilweise dezentrale Anordnung der streckenseitigen Sender. Diese können dann in der Nähe der ihnen zugeordneten Streckenorte, an Signalstandorten z.B. auf den Lichtsignalen, untergebracht werden, was den Betrieb mit geringer Leistung ermöglicht und Reichweitenprobleme, die bei Einsatz eines zentralen Senders in ausgedehnten Strecken bereichen auftreten können, vermeidet. Eine Speisung aus dem Lichtsignalstromkreis sowie die direkte Übernahme der Signalinformation am Signal läßt sich ohne Schwierigkeiten einrichten und ermöglicht die Übertragung des aktuellen Signalbegriffs auf die Fahrzeuge an Streckensignalen trotz Unkenntnis des aktuellen Signalbegriffs in der Zentrale.By assigning a separate message channel to each specified route location, a large number of vehicles can be supplied with the information required for control at the same time. Gaps in the information flow caused by transmission disruptions are therefore narrow and do not affect the continuity of the control. The assignment of own message channels also enables the information components intended for the individual vehicles to be securely separated from one another without complex data security measures which reduce the transmission capacity. The restriction of the validity of the transmitted selection criteria on the transmission following predetermined travel intervals ensures that travel-related information can only be received in the travel section provided for this purpose. The case that a vehicle receives route information for a route location that it has long since left cannot therefore occur. The assignment of separate message channels to individual route locations also enables a completely or partially decentralized arrangement of the route-side Channel. These can then be accommodated in the vicinity of the route locations assigned to them, at signal locations, for example on the light signals, which enables low-power operation and avoids range problems which can occur over extended distances when a central transmitter is used. A supply from the light signal circuit and the direct transfer of the signal information to the signal can be set up without difficulty and enables the transmission of the current signal term to the vehicles on track signals despite ignorance of the current signal term in the control center.
Ausgestaltungen des Steuerungssystems nach der Erfindung sind in den Unteransprüchen angegeben:Refinements of the control system according to the invention are specified in the subclaims:
So betrifft Patentanspruch 2 den Einbezug von Signalstandorten in die Menge der vorgegebenen, für die Zuordnung von Streckeninformation vorgesehenen Streckenorte und die Übertragung des aktuellen Signalbegriffs zusammen mit der sonstigen Streckeninformation.Claim 2 relates to the inclusion of signal locations in the set of predetermined route locations provided for the assignment of route information and the transmission of the current signal term together with the other route information.
Die Patentansprüche 3 bis 7 betreffen die Realisierung der den Streckenorten individuell zugeordneten Nachrichtenkanäle. Diese können, gemäß Anspruch 3, als Funkkanäle mit unterschiedlichen Trägerfrequenzen, gemäß Anspruch 4, als Kanäle eines zeitmultiplex oder frequenzmultiplex betriebenen Datenübertragungssystems oder, gemäß Anspruch 5, als Kanäle innerhalb eines gespreizten Frequenzbandes ausgebildet sein, wobei die zuletzt genannte Technik in zwei Varianten, nämlich frequenzsprungcodiert (Anspruch 6) oder psoido noise - codiert (Anspruch 7) ausgeführt sein kann und die bei weitem rationellste Ausnutzung des zur Verfügung stehenden Frequenzbandes ermöglicht.Claims 3 to 7 relate to the implementation of the message channels individually assigned to the route locations. These can, according to claim 3, be designed as radio channels with different carrier frequencies, according to claim 4, as channels of a time-multiplexed or frequency-multiplexed data transmission system or, according to claim 5, as channels within a spread frequency band, the latter technique being available in two variants, namely frequency hopping coded (claim 6) or psoido noise - coded (claim 7) can be carried out and by far the most efficient use of the available frequency band.
Die Vorteile der Verwendung eines bandgespreizten Frequenzbandes gegenüber diskreten Frequenzkanälen werden z.B. bei Mobilfunksystemen genutzt und sind in dem Fachbuch "Digital Cellular Radio" von George Calhoun, erschienen 1988 bei Artech House, Inc., 685 Cαnton Street, Norwood, MA 02062 , auf den Seiten 343 bis 357 beschrieben.The advantages of using a band-spread frequency band compared to discrete frequency channels are used, for example, in mobile radio systems and are described in the specialist book "Digital Cellular Radio" by George Calhoun, published in 1988 Artech House, Inc., 685 Canon Street, Norwood, MA 02062, pages 343-357.
Anspruch 8 sieht für Streckenorte, die gleichzeitig Signalstandorte sind, die zusätzliche Übertragung einer Signalkennung und der Signalentfernung vor.Claim 8 provides for route locations that are signal locations at the same time, the additional transmission of a signal identifier and the signal distance.
Gegenstand des Patentanspruchs 9 ist die Anordnung einer weiteren punktförmigen Übertragungseinrichtung an einem Signalstandort oder kurz danach und ermöglicht damit die ortsabhängige Löschung des zuletzt gültigen Selektionskriteriums und/oder die Ausgabe eines neuen, dem nächsten vorgegebenen Streckenort zugeordneten Selektionskriteriums.The subject of claim 9 is the arrangement of a further punctiform transmission device at a signal location or shortly thereafter and thus enables the location-dependent deletion of the last valid selection criterion and / or the output of a new selection criterion assigned to the next predetermined route location.
Patentanspruch 10 betrifft die Löschung des gültigen Selektionskriteriums abhängig von der vom Fahrzeug zurückgelegten, auf dem Fahrzeug gemessenen Wegstrecke.Claim 10 relates to the deletion of the valid selection criterion depending on the distance traveled by the vehicle, measured on the vehicle.
Eine in Patentanspruch 1 1 wiedergegebene Weiterbildung der Erfindung sieht vor, die an der Strecke aufeinanderfolgenden punktförmigen Übertragungseinrichtungen mit sich in vorgegebener, einer Fahrtrichtung zugeordneter Reihenfolge ändernden Kennzeichen zu versehen, die von den Fahrzeugen aufgenommen werden und mit deren Hilfe die Fahrzeuge ihre Fahrtrichtung bestimmen und überprüfen können. Auch Ausfälle von punktförmigen Übertragungseinrichtungen können dann von den Fahrzeugen leicht erkannt werden.A further development of the invention reproduced in claim 1 provides that the point-like transmission devices which follow one another on the route are provided with indicators which change in a predetermined sequence assigned to a direction of travel, which are picked up by the vehicles and with the aid of which the vehicles determine and check their direction of travel can. Failures of punctiform transmission devices can then also be easily recognized by the vehicles.
Patentanspruch 12, schließlich, betrifft die Einrichtung einer Nachrichtenverbindung in Richtung vom Fahrzeug zur Streckenzentrale oder einer anderen Streckeneinrichtung. Dies ermöglicht eine Übertragung vonClaim 12, finally, relates to the establishment of a communication link in the direction from the vehicle to the route center or another route device. This enables a transfer of
Fahrzeugcharakteristiken (z.B. Zugnummer) oder die Ausgabe von Steuerbefehlen an streckenseitige Einrichtungen wie Bahnübergänge oder Weichen.Vehicle characteristics (e.g. train number) or the issuance of control commands to trackside facilities such as level crossings or switches.
Anhand von 2 Figuren sollen nun Ausführungsbeispiele des Steuerungssystems nach der Erfindung ausführlich beschrieben und ihre Funktion erklärt werden. Fig 1 zeigt das Prinzip der Erfindung an einer eingleisigen, mit einem Lichtsignal ausgestatteten Strecke.Exemplary embodiments of the control system according to the invention will now be described in detail and their function explained with reference to two figures. 1 shows the principle of the invention on a single-track line equipped with a light signal.
Fig 2 zeigt schematisch eine mögliche Lösungsvariante im Bereich eines Bahnhofes mit vielen, zum Teil weit auseinanderliegenden Signalstandorten und anderweitigen, zur Ausgabe von Streckeninformation ausgewählten Streckenorten.2 schematically shows a possible solution variant in the area of a train station with many signal locations, some of which are far apart, and other route locations selected for outputting route information.
In Fig. 1 ist ein Gleis GL mit einem Lichtsignal S und zwei punktförmigen Übertragungseinrichtungen, z. B. Transpondern TR1 und TR2 dargestellt. Anstelle von Transpondern können auch kurze, punktförmig wirkende Linienleiterschleifen Verwendung finden. Der Transponder TR2 ist so weit vom Signal S entfernt, daß ein ebenfalls in der Figur dargestelltes Fahrzeug FZ, das den Transponder TR2 gerade in Richtung auf das Signal zu passiert hat, noch vor dem Signal mit einer Betriebsbremsung zum Stillstand gebracht werden kann.In Fig. 1 is a track GL with a light signal S and two point transmission devices, for. B. Transponders TR1 and TR2 shown. Instead of transponders, short line conductor loops can also be used. The transponder TR2 is so far away from the signal S that a vehicle FZ, also shown in the figure, which has just passed the transponder TR2 in the direction of the signal, can be brought to a standstill before the signal with service braking.
Das Fahrzeug ist mit einer Steuerungseinrichtung SG, einem Empfänger ET für Transpondersignale und einem Empfänger EF für Funksignale ausgestattet, die ein mit dem Lichtsignal verbundener Funksender FS ständig entlang der Strecke, in Richtung des Transponders TR2 ausstrahlt. Die Funksignale sind z.B. mit einem hochbitratigen Pseudo Noise Code (PN-Code) codiert und können nur von einem Empfänger aufgenommen und ausgewertet werden, der den genauen Code kennt oder mit Hilfe des ihm bekannten Bildungsgesetzes nachbilden kann. Dieser Code oder dessen Bildungsgesetz wird vom Transponder TR2 auf jedes vorüberfahrende Fahrzeug übertragen, so daß ein Fahrzeug, sobald es den Transponder TR2 passiert hat, die Funksignale des mit dem Signal S verbundenen Senders FS empfangen und auswerten kann. Anstelle eines PN-codierten kann auch ein frequenzspruπgcodiertes, bandgespreiztes Funksignal gesendet werden. Auch die Benutzung eines eigens zugeordneten Funkkanals mit über den Transponder TR2 dem Fahrzeug mitgeteilter Frequenz ist möglich, wenn die verwendete Frequenz zur Verfügung steht und nicht gestört wird. Der in unmittelbarer Nähe des Signals angeordnete Transponder TRl hat die Aufgabe, eine Löschinformation auf das Fahrzeug zu übertragen, die eine weitere Auswertung der Funksignale des Senders FS unterbindet, sobald das Fahrzeug den Transponder TRl passiert hat. Er kann aber auch so programmiert sein, daß er das am Transponder TR2 übertragene Selektionskriterium, den PN -Code oder dessen Bildungsgesetz zum Empfang der Signale des Senders FS, durch die zum Empfang des dem nächsten Signalstandort zugeordneten Senders erforderlichen derartigen Angaben ersetzt. Beide Transponder übertragen außerdem je ein individuell zugeordnetes Kennzeichen, so daß aus der Reihenfolge der von einem Fahrzeug aufgenommenen Kennzeichen auf die Fahrtrichtung geschlossen werden und empfangene, vom Funksender für die Gegenfahrtrichtung ausgesendete Information als ungültig erkannt werden kann.The vehicle is equipped with a control device SG, a receiver ET for transponder signals and a receiver EF for radio signals, which a radio transmitter FS connected to the light signal continuously emits along the route in the direction of the transponder TR2. The radio signals are coded, for example, with a high-bit-rate pseudo noise code (PN code) and can only be received and evaluated by a receiver who knows the exact code or can reproduce it using the educational law known to him. This code or its law of formation is transmitted by the transponder TR2 to each passing vehicle, so that a vehicle, as soon as it has passed the transponder TR2, can receive and evaluate the radio signals of the transmitter FS connected to the signal S. Instead of a PN-coded, a frequency-jump-coded, band-spread radio signal can also be sent. The use of a dedicated radio channel with a frequency communicated to the vehicle via the transponder TR2 is also possible if the frequency used is available and is not disturbed. The transponder TR1 arranged in the immediate vicinity of the signal has the task of transmitting deletion information to the vehicle which prevents further evaluation of the radio signals from the transmitter FS as soon as the vehicle has passed the transponder TRl. However, it can also be programmed so that it replaces the selection criterion transmitted on the transponder TR2, the PN code or its formation law for receiving the signals from the transmitter FS, by the information required for receiving the transmitter assigned to the next signal location. Both transponders also transmit an individually assigned license plate so that the direction of travel can be inferred from the sequence of the license plates recorded by a vehicle and received information transmitted by the radio transmitter for the opposite direction of travel can be recognized as invalid.
Die vom Sender FS abgestrahlte Information ist dem Signalstandort selektiv zugeordnet und enthält den aktuellen Signalbegriff und daneben Streckendaten wie Streckenneigung, Streckenhöchstgeschwindigkeit und den Abstand zum nächsten Signal. Selbstverständlich kann eine Übertragung von Streckendaten auch über die Transponder erfolgen.The information emitted by the transmitter FS is selectively assigned to the signal location and contains the current signal term and, in addition, route data such as route inclination, maximum route speed and the distance to the next signal. Of course, route data can also be transmitted via the transponders.
In Bild 2 ist eine Bahnhofsanlage mit zwei durchgehenden Gleisen GL1 , GL2 und zwei abzweigenden Gleisen GL3 und GL4 und verschiedenen Neben- und Abstellgleisen wiedergegeben. Vorgegebenen Streckenorten, die meist auch Standort von Signalen Sl bis S14 sind, ist jeweils bestimmte Streckeninformation zugeordnet und wird innerhalb eines in Fahrtrichtung vor dem jeweiligen Streckenort gelegenen Gleisabschnittes auf sich nähernde Fahrzeuge mittels Funk übertragen. Die Funksender hierzu befinden sich teils an zentraler Stelle, z.B. in einem Stellwerk Z, teils dezentral angeordnet, auf den Lichtsignalen Sl und S14 und übertragen für jeden vorgegebenen Streckenort einen diesem individuell zugeordneten Nachrichtenkanal. Die zum Empfang des jeweiligen Nachrichtenkanals erforderlichen Selektionskriterien wie z. B. die Empfangsfrequenz oder, im Falle der Übertragung bandgespreizter Signale, den dem jeweiligen Nachrichtenkanal zugeordneten Code oder dessen Bildungsvorschrift, werden durch punktförmige streckenseitige Übertragungseinrichtungen, Transponder TI bis T9 , auf die Fahrzeuge übertragen. Diese Transponder können in bekannter Weise induktiv arbeiten oder als Mikrowellentransponder oder kurze Linienleiterschleifen ausgebildet sein.Figure 2 shows a station system with two continuous tracks GL1, GL2 and two branching tracks GL3 and GL4 and various side and siding tracks. Specified route locations, which are usually also the location of signals S1 to S14, are each assigned certain route information and are transmitted by radio to approaching vehicles within a track section located in the direction of travel before the respective route location. The radio transmitters for this purpose are located partly at a central point, for example in a signal box Z, partly arranged decentrally, on the light signals S1 and S14 and transmit a message channel individually assigned to this for each predetermined route location. The selection criteria required to receive the respective news channel, such as B. the reception frequency or, in the case of transmission of band-spread signals, the code assigned to the respective message channel or its formation regulation, are transmitted to the vehicles by point-like transmission devices on the track side, transponders TI to T9. These transponders can work inductively in a known manner or can be designed as microwave transponders or short line conductor loops.
Ein beispielsweise in Fig 2 auf Gleis GLl von links nach rechts fahrendes Fahrzeug erreicht zunächst das Signal Sl , dessen Standort ein vorgegebener Streckenort mit zugeordnetem Nachrichtenkanal ist. Der eingestellte Signalbegriff wird hier zusammen mit anderer zu übertragender Streckeninformation von einem auf dem Signal plazierten Sender in Richtung des anschließenden Streckengleises ausgestrahlt. Das von dorther kommende Fahrzeug hat bereits weit vor dem Signal Sl einen in Fig.2 nicht dargestellten Transponder passiert und von diesem das zum Empfang der dem Streckenort des Signales Sl zugeordneten Information notwendige Selektionskriterium übertragen bekommen. Somit war das Fahrzeug schon weit vor dem Signal Sl in der Lage, dessen Signalbegriff aufzunehmen und bei der Berechnung seiner Weg-Geschwindigkeitskurve zu berücksichtigen.A vehicle traveling from left to right, for example in FIG. 2 on track GL1, first reaches signal S1, the location of which is a predetermined route location with an associated message channel. The set signal term is transmitted here, together with other route information to be transmitted, by a transmitter placed on the signal in the direction of the subsequent route track. The vehicle coming from there has already passed a transponder (not shown in FIG. 2) well in front of the signal S1 and has received the selection criterion for receiving the information associated with the route location of the signal S1. Thus, well before the signal S1, the vehicle was able to record its signal term and to take it into account when calculating its path-speed curve.
Bei Erreichen des Signals Sl passiert das Fahrzeug den Transponder Tl . Dieser ist einem nächsten vorgegebenen Streckenort, dem, an dem das Signal S6 steht, zugeordnet und überträgt ein Selektionskriterium zum Empfang des diesem nächsten Streckenort zugeordneten Nachrichtenkanals auf das Fahrzeug. Gleichzeitig wird ein Löschbefehl übertragen, der das zuvor gültige Selektionskriterium im Speicher des Fahrzeugfunkempfäπgers löscht. Des weiteren kann über den Transponder TI die Kennung des Signals S6 und die Entfernung zu diesem Signal übertragen werden. Werden über den Transponder TI und die nachfolgenden Transponder sich in vorgegebener Reihenfolge entlang der Strecke ändernde Transponderkennzeichen, z.B. fortlaufende Nummern ausgegeben, so kann das Fahrzeug seine jeweilige Fahrtrichtung aus deren Reihenfolge erkennen und für die Gegenfahrtrichtung ausgegebene Information unberücksichtigt lassen.When the signal S1 is reached, the vehicle passes the transponder T1. This is assigned to a next predetermined route location, at which the signal S6 is present, and transmits a selection criterion to the vehicle for receiving the message channel assigned to this next route location. At the same time, a delete command is transmitted which deletes the previously valid selection criterion in the memory of the vehicle radio receiver. Furthermore, the identifier of the signal S6 and the distance to this signal can be transmitted via the transponder TI. If, via the transponder TI and the subsequent transponders, transponder identifiers that change along the route in a predetermined sequence, for example consecutive numbers, are output, then the vehicle can recognize its respective direction of travel from its sequence and ignore information output for the opposite direction of travel.
Im Bahnhofsbereich, in dem sich hier das Signal S6 befindet, werden die den vorgegebenen Streckenorten zugeordneten Nachrichtenkanäle zentral ausgestrahlt. Eine im Stellwerk oder in dessen unmittelbarer Nähe angeordnete Sammel- Sendeeinrichtung mit mehreren Sendern bekommt die im Stellwerk bekannten, den im Bahnhofsbereich an vorgegebenen Streckenorten befindlichen Signalen zugeordneten Signalbegriffe und eventuelle weitere zu übertragende Streckendaten über eine Datenleitung zugeführt und sendet sie über die den Streckenorten jeweils zugeordneten Nachrichtenkanäle aus. Dies erfolgt mit möglichst geringer Sendeleistung über im allgemeinen gerichtet in den jeweils relevanten Streckenbereich abstrahlende Antennen.In the station area, in which the signal S6 is located here, the message channels assigned to the predetermined route locations are broadcast centrally. A collective transmission device with several transmitters arranged in the signal box or in its immediate vicinity receives the signal terms known in the signal box, assigned to the signals located in the station area at predetermined route locations, and any further route data to be transmitted is transmitted via a data line and sends them via the respectively assigned route locations News channels. This is done with the lowest possible transmission power via antennas which generally radiate into the relevant route area.
Das Fahrzeug erfährt somit, sobald es den Transponder TI passiert hat, den Signalbegriff des Signals S6 durch Empfang des entsprechenden, vom Sender des Stellwerks Z abgestrahlten Nachrichtenkanals. Die gleiche Funktion wie der Transponder TI hat der Transponder T2. Bei dessen Passieren erhält das Fahrzeug das Selektionskriterium für den Empfang des dem Streckenort, an dem sich das Signal S13 befindet, zugeordneten Nachrichten ka na I und kann den am Signal S1 3 eingestellten Signalbegriff über diesen ebenfalls vom Stellwerksender abgestrahlten Nachrichtenkanal aufnehmen. Der am Ort des Signals S13 befindliche Transponder T3 ist keinem vorgegebenen Streckenort mehr zugeordnet und überträgt deshalb nur noch den Löschbefehl für das zuletzt gültige Selektionskriterium und z.B. eine für die Weiterfahrt geltende Streckenhöchstgeschwindigkeit.As soon as it has passed the transponder TI, the vehicle thus experiences the signal term of the signal S6 by receiving the corresponding message channel emitted by the transmitter of the signal box Z. The transponder T2 has the same function as the transponder TI. As it passes, the vehicle receives the selection criterion for the reception of the messages ka na I assigned to the route location at which the signal S13 is located and can record the signal term set on the signal S1 3 via this message channel also emitted by the signal box transmitter. The transponder T3 located at the location of the signal S13 is no longer assigned to a predetermined route location and therefore only transmits the delete command for the last valid selection criterion and e.g. a maximum line speed applicable for the onward journey.
Vorgegebene Streckenorte brauchen nicht notwendig Signalstandorte zu sein. So kann z.B. einer Langsamfahrstelle oder einer in Abzweig richtung nur mit eingeschränkter Geschwindigkeit zu befahrenden Weiche ein Nachrichtenkanal zugeordnet werden und ein Selektionskriterium mittels eines eine ausreichende Strecke davor verlegten Transponders übertragen werden. Darf z.B. in Fig.2 die Weiche an der Abzweigung des Gleises GL4 vom Gleis GL2 in Richtung Gleis GL4 nur mit eingeschränkter Geschwindigkeit befahren werden, so kann auf Gleis GL2 von rechts nach links fahrenden Fahrzeugen die jeweilige Weichenlage und damit die vorgeschriebene Geschwindigkeitseinschränkung über einen vom Stellwerkssender ausgestrahlten Nachrichtenkanal mitgeteilt werden, wobei das Selektionskriterium über den Transponder T5 auf das Fahrzeug übertragen wird.Specified route locations do not necessarily have to be signal locations. For example, a message channel can be assigned to a slow speed point or a switch to be driven in the branch direction only with limited speed and a selection criterion can be transmitted by means of a transponder that has been laid a sufficient distance in front of it. May, for example, in Fig.2 Turnouts at the junction of track GL4 from track GL2 in the direction of track GL4 can only be driven at a limited speed, so the respective turnout position and thus the prescribed speed restriction can be communicated on track GL2 from right to left vehicles via a message channel broadcast by the signal box transmitter, whereby the selection criterion is transferred to the vehicle via the T5 transponder.
Ausfälle von Teilen des Steuerungssystems werden von den Fahrzeugen erkannt, da sowohl die ausgegebenen Sendesignale als auch die punktförmigen Übertragungseinrichtungen durch die jeweils vorausgehenden Einrichtungen ortsbezogen vorangekündigt werden und die Fahrzeuge mit Hilfe ihrer Wegmeßeinrichtungen den Ort kennen an dem Information empfangen werden soll. Wenn keine Information empfangen wird, z.B. ein zu erwartendes Sendesignal verfälscht oder überhaupt nicht empfangen wird oder eine Übertragungseinrichtung nicht erkannt wird, nimmt das Fahrzeug den Ausfall des Senders bzw. der Übertragungseinrichtung an und leitet eine Betriebsbremsung ein, die bei weiterem Ausbleiben von Steuerungsinformation bis zum Stillstand des Fahrzeuges oder, bei Langsamfahrstellen, zu einer vorgegebenen niedrigen Geschwindigkeit am vorgegebenen Streckenort führt. Ist das Fahrzeug mit einem Fahrzeugfϋhrer besetzt, so kann nach dem optisch angezeigten Signalaspekt weitergefahren werden. Failures of parts of the control system are recognized by the vehicles, since both the transmitted signals and the point-like transmission devices are announced in advance by the respective preceding devices and the vehicles know with their path measuring devices the location at which information is to be received. If no information is received, e.g. If a transmission signal to be expected is falsified or not received at all or a transmission device is not recognized, the vehicle assumes the failure of the transmitter or the transmission device and initiates service braking, which if control information is not available until the vehicle comes to a standstill or, at slow speed points , leads to a specified low speed at the specified route location. If the vehicle is manned by a vehicle driver, you can continue driving according to the optically displayed signal aspect.

Claims

Patentansprüche claims
System zur semikontinuierlichen Steuerung einer Vielzahl von mitSystem for the semi-continuous control of a large number of
Funkempfängern und Fahrzeugsteuerungseinrichtungen ausgestatteten, spurgebundenen Fahrzeugen, die zur Steuerung benötigte, einzelnen vorgegebenen Streckenorten zugeordnete Information über Funk aufnehmen, und mit diesen Streckenorten zugeordneten, punktförmigen Übertragungseinrichtungen an der Strecke, die Selektionskriterien an vorüberfahrende Fahrzeuge übertragen, mit deren Hilfe diese die dem jeweiligen vorgegebenen Streckenort zugeordnete Information erkennen und auswerten können, d a d u r c h g e k e n n z e i c h n e t , daß die den vorgegebenen Streckenorten jeweils zugeordnete Information mit Hilfe zentral und/oder dezentral angeordneter Sender ständig gleichzeitig über viele, den einzelnen vorgegebenen Streckenorten individuell zugeordnete Nachrichtenkanäle ausgegeben wird, und daß ein einem Streckenort zugeordneter Nachrichtenkanal nur von einem Fahrzeug empfangen werden kann, das ein hierzu erforderliches Selektionskriterium, das nur von der diesem Streckenort zugeordneten punktförmigen Übertragungseinrichtung übertragen wird, innerhalb eines vorausgegangenen vorgegebenen Wegintervalles übertragen bekommen hat. Radio receivers and vehicle control devices equipped, track-bound vehicles, which record information about radio assigned to individual predetermined route locations, and point-specific transmission devices on the route associated with these route locations, transmit the selection criteria to passing vehicles, with the help of which these transmit the respective predetermined route location can recognize and evaluate assigned information, characterized in that the information assigned to the specified route locations is always output simultaneously with the aid of centrally and / or decentrally arranged transmitters via many message channels individually assigned to the individual predetermined route locations, and that a message channel assigned to a route location is only output by a vehicle can be received that has a selection criterion required for this, which is only available from the point f assigned to this route location -shaped transfer means is transmitted scored transmitted within a preceding predetermined Wegintervalles.
2. System nach Patentanspruch 1 , dadurch gekennzeichnet, daß wenigstens ein Teil der vorgegebenen Streckenorte Signalstandorte sind und die über einen einem Signalstandort zugeordneten Nachrichtenkanal ausgegebene Information den aktuell eingestellten Signalbegriff enthält.2. System according to claim 1, characterized in that at least some of the predetermined route locations are signal locations and the information output via a message channel assigned to a signal location contains the currently set signal term.
3. System nach Patentanspruch 1 oder 2, dadurch gekennzeichnet, daß die Nachrichtenkanäle als Funkkanäle mit unterschiedlichen Sendefrequenzen ausgebildet sind, und daß die Fahrzeuge von den punktförmigen Übertragungseinrichtungen als Selektionskriterium eine die Frequenz des dem jeweiligen Streckenort individuell zugeordneten Funkkanals enthaltende Kennung übertragen bekommen.3. System according to claim 1 or 2, characterized in that the message channels are designed as radio channels with different transmission frequencies, and that the vehicles get from the punctiform transmission devices as a selection criterion transmit the frequency of the radio channel individually assigned to each route location containing identifier.
4. System nach Patentanspruch l oder 2, dadurch gekennzeichnet, daß alle oder jeweils ein Teil der Nachrichtenkanäle dieselbe Trägerfrequenz benutzen und durch Zeitmultiplexbetrieb oder durch Frequenzmultiplexbetrieb unter Verwendung unterschiedlicher Modulationsfrequenzen voneinander getrennt sind, und daß die Fahrzeuge von den punktförmigen Übertragungseinrichtungen als Selektionskriterium neben der jeweils zu empfangenden Trägerfrequenz die Zeitlagen der den zugeordneten Nachrichtenkanal tragenden Zeitschlitze bzw. die den zugeordneten Nachrichtenkanal tragenden Modulationsfrequenzen übertragen bekommen.4. System according to claim l or 2, characterized in that all or in each case part of the message channels use the same carrier frequency and are separated from one another by time division multiplexing or by frequency division multiplexing using different modulation frequencies, and that the vehicles are used by the punctiform transmission devices as a selection criterion in addition to each to receive the carrier frequency to be received the time slots of the time slots carrying the assigned message channel or the modulation frequencies carrying the assigned message channel.
5. System nach Patentanspruch 1 oder 2, dadurch gekennzeichnet, daß die Nachrichtenkanäle innerhalb eines Trägerfrequenzbandes durch Codemultiplexbetrieb voneinander getrennt sind und von zentral oder dezentral angeordneten Sendern benutzt werden und daß die Fahrzeuge von den punktförmigen Übertragungseinrichtungen als Selektionskriterium den zur Codierung des zugeordneten Nachrichtenkanals verwendeten Code oder dessen Bildungsgesetz übertragen bekommen. 5. System according to claim 1 or 2, characterized in that the message channels are separated from one another in a carrier frequency band by code division multiplex operation and are used by centrally or decentrally arranged transmitters, and that the vehicles are used by the punctiform transmission devices as a selection criterion for coding the associated message channel or get its education law transferred.
6. System nach Patentanspruch 5, dadurch gekennzeichnet, daß die Codierung der Nachrichtenkanäle eine Bandspreizung durch Frequenzsprünge erzeugt.6. System according to claim 5, characterized in that the coding of the message channels generates a band spread by frequency hops.
7. System nach Patentanspruch 5, dadurch gekennzeichnet, daß die Codierung der Nachrichtenkanäle mit Hilfe eines Pseudo Noise Codes erfolgt und eine Bandspreizung aufgrund der Zumischung des hochbitratigen Pseudo Noise Signals zu dem jeweils zu übertragenden Nutzsignal erzeugt.7. System according to claim 5, characterized in that the coding of the message channels takes place with the aid of a pseudo noise code and generates a band spread due to the admixture of the high bit rate pseudo noise signal to the respective useful signal to be transmitted.
8. System nach einem der vorstehenden Patentansprüche, dadurch gekennzeichnet, daß im Falle , daß ein vorgegebener Streckenort ein Signalstandort ist, von der zugeordneten punktförmigen Übertragungseinrichtung zusätzlich zu einem Selektionskriterium eine Signalkennung und/oder die Entfernung zu dem jeweiligen Signal und/oder weitere, fest vorgegebene Streckeninformation übertragen wird.8. System according to any one of the preceding claims, characterized in that in the event that a predetermined route location is a signal location, in addition to a selection criterion, a signal identifier and / or the distance to the respective signal and / or others from the assigned point-shaped transmission device predetermined route information is transmitted.
9. System nach einem der vorstehenden Patentansprüche, dadurch gekennzeichnet, daß eine weitere punktförmige Übertragungseinrichtung vorgesehen ist, die sich an oder, in Fahrtrichtung gesehen, unmittelbar hinter dem vorgegebenen Streckenort befindet, und die einen Befehl zur Löschung des bis dahin gültigen, an der vorhergehenden punktförmigen Übertragungseinrichtung übertragenen Selektionskriteriums oder ein neues, dem nächsten vorgegebenen Streckenort zugeordnetes Selektionskriterium, ggf einschließlich einer Signalkennung, einer Signalentfernung und weiterer fester Streckeninformation, auf ein vorüberfahrendes Fahrzeug überträgt. 9. System according to any one of the preceding claims, characterized in that a further punctiform transmission device is provided, which is located on or, viewed in the direction of travel, immediately behind the predetermined route location, and the command to delete the previously valid, at the previous one transmits a selection criterion or a new selection criterion assigned to the next predetermined route location, possibly including a signal identifier, a signal distance and further fixed route information, to a vehicle passing by.
10. System nach einem der vorstehenden Patentansprüche, dadurch gekennzeichnet, daß ein Befehl zur Löschung des bis dahin gültigen, an der vorhergehenden punktförmigen Ü bertrag ungseinrichtung übertragenen Selektionskriteriums in Abhängigkeit des vom Fahrzeug zurückgelegten Weges auf dem Fahrzeug generiert wird.10. System according to any one of the preceding claims, characterized in that a command to delete the hitherto valid, at the previous punctiform transmission device transmitted selection criterion is generated depending on the distance traveled by the vehicle on the vehicle.
1 1 . System nach einem der vorstehenden Patentansprüche, dadurch gekennzeichnet, daß entlang der Strecke angeordnete, punktförmige Übertragungseinrichtungen zusätzlich individuelle Kennzeichen übertragen, die bezogen auf eine Fahrtrichtung geordnet sind und es den Fahrzeugen ermöglichen, ihre jeweilige Fahrtrichtung zu erkennen und Daten, die die Gegenfahrtrichtung betreffen, zu verwerfen.1 1. System according to one of the preceding claims, characterized in that punctiform transmission devices arranged along the route additionally transmit individual identifiers which are arranged in relation to a direction of travel and enable the vehicles to recognize their respective direction of travel and to transmit data relating to the opposite direction of travel discard.
12. System nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet,daß die Fahrzeuge zusätzlich mit Funksendeeinrichtungen ausgestattet sind und Information an eine Empfangseinrichtung einer Streckenzentrale oder einer anderen Streckeneinrichtung senden können, wobei jeweils das einem Fahrzeug übermittelte, gültige Selektionskriterium oder eine andere fahrortbezogene Kennung mitübertragen wird und der Streckenzentrale oder anderen Streckeneinrichtung zur Überprüfung der Herkunft der jeweils empfangenen Information dient. 12. System according to any one of the preceding claims, characterized in that the vehicles are additionally equipped with radio transmission devices and can send information to a receiving device of a route control center or another route device, whereby the valid selection criterion transmitted to a vehicle or another location-related identifier is also transmitted and the route center or other route facility serves to check the origin of the information received in each case.
EP97938896A 1996-07-30 1997-07-30 System for semicontinuous control of track-guided vehicles Expired - Lifetime EP0853574B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19630575A DE19630575A1 (en) 1996-07-30 1996-07-30 System for the semi-continuous control of track-guided vehicles
DE19630575 1996-07-30
PCT/EP1997/004395 WO1998004447A2 (en) 1996-07-30 1997-07-30 System for semicontinuous control of track-guided vehicles

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EP0853574A2 true EP0853574A2 (en) 1998-07-22
EP0853574B1 EP0853574B1 (en) 2003-05-02

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EP (1) EP0853574B1 (en)
AT (1) ATE238938T1 (en)
DE (2) DE19630575A1 (en)
HU (2) HUP9901618A3 (en)
WO (1) WO1998004447A2 (en)

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Also Published As

Publication number Publication date
DE59709970D1 (en) 2003-06-05
DE19630575A1 (en) 1998-02-05
HU9800567D0 (en) 1998-05-28
ATE238938T1 (en) 2003-05-15
EP0853574B1 (en) 2003-05-02
HUP9901618A3 (en) 2001-09-28
WO1998004447A2 (en) 1998-02-05
HUP9901618A2 (en) 1999-08-30
WO1998004447A3 (en) 1998-03-19

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