Enhanced ETCS_L3 Train Control System
Author(s)
D. Emery
Abstract
The last decade has seen the development of the European Train Control System
ERTMS/ETCS. This Automatic Train Protection system (ATP) was designed in
three versions: ETCS_Level 1, 2 and 3. ETCS_Level_3 uses moving blocks and
provides short headways. However, ETCS_Level 2 may also offer short
headways provided suitable block sections’ length.
The proposed train control system is an enhancement of ETCS-Level 3. It
could also be considered as an enhancement of ETCS_Level 2. Its main
advantage compared to other ATP systems is to provide even shorter headways,
offering potential for capacity increases, especially for busy High Speed Lines
(HSL).
Keywords: braking curves, capacity, ETCS, ERTMS, high speed line,
interlocking, moving block.
1 Interoperability, safety and capacity with ETCS
1.1 ETCS for interoperability and safety
The European Train Control System was firstly developed to offer to the
European Rail community a common Automatic Train Protection system in
replacement of the existing ones. In theory, this is needed urgently as more than
15 different and incompatible ATP systems equip the European main rail
networks (cf. table 1) [1], which obviously preclude interoperability.
The Eurobalise is a local transponder providing trains with a lot of
information on the downstream route attributes and speed limits. It could replace
any kind of balises or contacts used today by ATP-systems on conventional
lines. It makes it possible to implement a continuous speed control, in particular
Keywords
braking curves, capacity, ETCS, ERTMS, high speed line,
interlocking, moving block.
Related Book
Other papers in this volume
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