Rome – Change for the better the lives of Italian commuters. A dream for those citizens who wake up in the morning not knowing what time you arrive at work or at school. But there is an idea and that is to increase the commercial speed of the local and regional trains using the latest technology, satellite, who will support the systems now used on the network.
The news that from 2017 might change the perception of Trenitalia passenger is called “Ersat”, a next-generation system, the first case in Europe, go to interface and integrate the existing conventional railway technology in secondary lines, local and regional (the European rail Traffic Management system, or ERTMS ) together with that of satellite navigation and localization Galileo .
what use? The idea is to increase the traffic capacity while reducing the emissions of CO 2 and leaving unchanged, if not improving, the current safety standards while cutting the costs of management. New technological equipment will require, in fact, less investment for installation and maintenance. This is because the current “information points” of SCMT and SSC signal system, which today require the installation of buoys “physical” placed along the line, buoys will be replaced by “virtual” managed by the satellite receiver, integrated in the ERTMS signaling system.
an experimental center of Ersat-Eav project is already in operation in Sardinia Cagliari-San Gavino on the line for about a year. The tests, which according Fs in this first phase are giving excellent results, will be completed by January 2017. RFI and DB Netz, the managers of Italian and German rail infrastructure, in collaboration with Trenitalia are testing the system in Sardinia along with Asstra (Association comprising over 140 public and private companies operating in the local public transport, urban and rural); all under the coordination of Ansaldo Sta. The goal – thanks to the European Space Agency’s contribution (ESA), Italian Space Agency (ASI) and the European Global Navigation Satellite Systems Agency (GSA) – is to “integrate and validate the satellite technology in the
RFI explains how it works and how the ERTMS will be integrated Ersat:” It ‘an active system for over ten years on the High speed system lines / High Italian capacity, the vertical axis Turin – Milan – Bologna – Florence – Rome – Salerno. it transmits data and information using the GSM-R (Global system Mobile-Railway.) it allows you to follow, moment by moment, the train running by providing the driver all necessary information for the safe driving, with the activation of the emergency braking in the event that they are not complied with all the parameters and the speed of the train exceeds the allowable limit. “
” with Ersat once satellite receipt train location (position and velocity), the ERTMS supervises the situation of rail traffic through the ground / train dialogue: data and information are transmitted to the devices installed on board trains from radio base positioned along the railway line, about every seven kilometers. Today, for the same activities are used buoys in line, every 1.3 kilometers. “
A Ersat regime can be installed on almost half of secondary conventional network, replacing the existing security systems. A project that soon will be extended to the European network and granted railways, urban and suburban. the project is co-financed by the European Union under the European framework Programme for Research and Innovation, Horizon 2020 .
> the testing of satellite technology started thanks to the project 3InSat (which will end in recent weeks) is funded by ESA and ASI, and opened the way for field trials of Ersat Eav. Bocconi university Milan will carry out, on behalf of the European Union, an in-depth analysis of the economic viability (costs / benefits) of Ersat system.
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