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Eine Optimierte ETCS-Architektur Für Regionalstrecken ETCS L1 – an Optimised ETCS Architecture for Regional Lines

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Eine Optimierte ETCS-Architektur Für Regionalstrecken ETCS L1 – an Optimised ETCS Architecture for Regional Lines ETCS | ETCS www.eurailpress.de/archiv/etcs ETCS L1 – Eine optimierte ETCS-Architektur für Regionalstrecken ETCS L1 – an optimised ETCS architecture for regional lines Peter Laumen | Tim Kipshagen | Prof. Dr.-Ing. Nils Nießen as europäische Zugbeeinflussungssystem ETCS (European he European Train Control System (ETCS) is currently D Train Control System) wird aktuell auf den Hauptstrecken T being introduced on main lines, in particular in the TEN / (insbesondere den TEN-Korridoren) eingeführt. Auf Neben- und corridors. ETCS has not yet been regularly implemented on Regionalstrecken kommt ETCS jedoch bisher üblicherweise nicht regional and secondary lines, but some countries are awaiting Seiten der zur Anwendung. Einige Länder erwarten zukünftig günstige inexpensive future ETCS solutions for these lines. The use of Aachen ETCS-Lösungen für diese Streckenarten. Durch die Digitalisierung new digital technologies and the resulting digital interlocking und die daraus resultierenden ESTW bzw. digitalen Stellwerke makes it possible to optimise the existing ETCS architecture. (DSTW) kann die bisherige ETCS-Architektur optimiert werden. In addition to the possibility of generating ETCS telegrams RWTH Mit den Möglichkeiten der DSTW, Telegramme zur Laufzeit im Besucher in the digital interlocking (DI) at runtime, ETCS Level 1 (L1) für Stellwerk zu generieren und über Balisen an den Zug zu übertra- lines can also be designed dynamically, which results in ad- für gen, kann eine ETCS Level 1 Full Supervision (L1 FS)-Strecke dyna- ditional benefits. There are significant operating advantages misch gestaltet werden und dadurch einen Mehrwert generieren. with regard to speed restrictions, block sections, the trans- 2020 Es ergeben sich wesentliche betriebliche Vorteile u. a. bei Lang- mission of route specific information, the integration of level samfahrstellen, der Blockteilung, der fahrstraßenabhängigen In- crossings and shunting under ETCS, for example. genehmigt formationsübertragung, der Integration von Bahnübergängen Ausdrucke GmbH sowie beim Rangieren unter ETCS. 1 und Introduction unbefristet 1 Ausgangslage The ETCS train control system is currently being introduced by Group a number of European railway infrastructure managers. Initially, Das Zugbeeinflussungssystem ETCS wird bei vielen europäischen international lines (the TEN corridors) and main lines are being Media Bahnen eingeführt. Zunächst werden hauptsächlich internationa- equipped. However, some countries are also awaiting future low Downloads le Strecken (TEN-Korridore) und Hauptstrecken ausgerüstet. Für cost ETCS solutions for regional and secondary lines [1]. These Regional- und Nebenstrecken erwarten einige Länder in Zukunft solutions should be based on ETCS L3 and train detection via DVV von günstige ETCS-Lösungen [1]. Diese sollen teilweise auf ETCS L3 satellite-based location [2]. In this case, the track needs to be einzelne basieren und mittels Satellitenortung die Gleisfreimeldung rea- equipped with the necessary signalling infrastructure as well as für lisieren [2]. In diesem Fall muss die Strecke somit über die not- an additional radio communication network and adequate cov- wendige Leit- und Sicherungstechnik verfügen, zusätzlich über erage by satellite-based positioning systems. Therefore, three in- ein Funksystem (z. B. GSM-R) sowie über eine ausreichende Abde- dependent infrastructures are necessary. Various improvements Homepageveröffentlichung Rechte genehmigt ckung eines satellitenbasierten Ortungssystems. Somit sind ins- have been envisaged during the implementation of ETCS. A so gesamt drei Infrastrukturen für die Zugsicherungstechnik not- called “ETCS Level 3 Hybrid” has been outlined in [3]. In con- wendig, um den Verkehr abzuwickeln. Im Rahmen der ETCS-Ein- trast to Level 3 activities, this article introduces a simple and low- führung werden verschiedene Verbesserungen angedacht. So cost ETCS L1 solution, which is independent of radio communi- wird in [3] ein „ETCS Level 3 Hybrid“ beschrieben. In dem vorlie- cation and a satellite system for train detection and positioning. genden Beitrag wird als Alternative eine günstige und einfache As shown in [4, 5 and 6], the performance of ETCS L1 FS can Lösung vorgestellt, welche unabhängig von einem Funksystem achieve the capacities of ETCS L2 given the use of the appropriate ist und zur Zugortung und Gleisfreimeldung kein satellitenbasier- number of balises and route-specific telegrams. Ideas on improv- tes Ortungssystem benötigt. In [4, 5 und 6] wurde gezeigt, dass ing ETCS L1 have also been presented in [7]. However, the ETCS die Performance von ETCS L1 FS mit einer entsprechenden An- L1 architecture presented here goes even further. zahl von Infill-Balisen und fahrstraßenabhängigen Telegrammen The new solution combines ETCS L1 and the interlocking logic die Leistungsfähigkeit von ETCS L2 erreichen kann. Aus diesem into a single architecture. The ETCS telegrams are generated with- Grund soll bei der hier vorgestellten ETCS-Lösung der L1 im Mo- in the interlocking logic and transmitted directly to the balise via dus FS angewendet werden. Optimierungsmöglichkeiten an ETCS a Bus interface. Therefore, the L1 FS mode is clearly more flexible, L1 werden schon in [7] erläutert. Der hier erläuterte Ansatz geht as the depth of information significantly increases. The balise lo- jedoch darüber hinaus. cations are not linked to the signal locations, but can be placed in In der optimierten Lösung werden ETCS L1 und die Sicherungslo- locations which are meaningful for operational reasons. The idea gik in einer Architektur vereint. Die ETCS-Telegramme werden in of a centralised LEU (Lineside Electronic Unit) is not new [8], but der Sicherungslogik des Stellwerks generiert und über eine Bus- it has not been considered within the context of a digital interlock- Schnittstelle direkt an die Balise gesendet. Somit wird der Modus ing system. An essential advantage of this involves the fact that nei- 16 SIGNAL + DRAHT (111) 11 / 2019 ETCS | ETCS ETCS L1 FS deutlich flexibler gestaltet, da die Informationstiefe zur ther a radio communication system nor a satellite-based location Generierung der ETCS-Telegramme größer wird. Die Standorte der system is needed, which means that no investment in those infra- Balisen sind nicht an die Standorte der Signale gekoppelt, son- structures is necessary. This is a low-price solution, especially for dern können an betrieblich sinnvollen Positionen installiert wer- regional and secondary lines, which increases profitability. den. Diese Idee der zentral gesteuerten Balise ist nicht neu [8], A potential application for the presented architecture will be im- wurde bisher jedoch nicht im Kontext einer digitalen Stellwerks- plemented in Luxembourg in the future. The operating aspects technik durchdacht. Der wesentliche Vorteil besteht darin, dass of the “Luxembourg-Solution” have been explained in [9]. Fur- auf eine Funkinfrastruktur verzichtet werden kann und auch keine thermore, this article describes the possibilities of ETCS L1 in a satellitenbasierte Ortung notwendig ist und somit Investitionen dynamic application. in diese Infrastrukturen nicht anfallen. Dies stellt insbesondere für Regional- und Nebenstrecken eine günstige Lösung dar, welche 2 The basic principles die Wirtschaftlichkeit deutlich erhöht. Eine mögliche Anwendung der hier vorgestellten Architektur wird The fundamental features and the present implementation of zukünftig in Luxemburg umgesetzt. In [9] werden die betriebli- ETCS L1, as well as the architecture of the digital interlocking, chen Aspekte der „Luxemburger-Lösung“ beschrieben. Dieser Bei- are described first. trag beschreibt und erläutert darüber hinaus die Möglichkeiten / von ETCS L1 in einer dynamischen Anwendung. 2.1 The uropeanE Train Control System (ETCS) Seiten ETCS is the European Train Control System. It can be applied der 2 Grundlagen in various levels, so that different applications from punctiform Aachen to continuous information transmission and supervision can be Zunächst werden die wesentlichen Eigenschaften und die bishe- covered. In addition to the levels, there are also different kinds RWTH rige Umsetzung von ETCS L1 sowie die Architektur des DSTW vor- of train operation modes, i. e. Full Supervision (FS), Limited Su- gestellt. Besucher pervision (LS) or Shunting (SH). für FS and LS are the most relevant modes for running trains. LS für 2.1 European Train Control System (ETCS) was introduced in Baseline 3 in order to provide a simpler solu- ETCS ist das europäische Zugbeeinflussungssystem. Es kann in tion for the integration of ETCS into existing interlocking sys- 2020 unterschiedlichen Leveln angewendet werden, sodass verschie- tems. The punctiform transmission of information takes place at dene Anwendungsfälle von punktförmiger Übertragung zu lini- the signal locations. Only the braking curve is supervised in the genehmigt Ausdrucke enförmiger Übertragung abgedeckt werden. Neben den Leveln case of signals showing “stop”. ETCS only provides background GmbH gibt es auch noch verschiedene Modi, in denen ein Zug operie- surveillance, so the driver has to observe the lineside signals. und ren kann, beispielsweise Full Supervision (FS), Limited Supervisi- By contrast, the FS mode provides full and continuous surveillance unbefristet on (LS) oder Shunting (SH). throughout the train’s entire journey. Lineside signals are not need- Group Die beiden wesentlichen Modi in ETCS L1 zur Durchführung von ed due to the cab signalling. The track’s speed profile
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