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IRSE News 138 Oct 08.pdf

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THORROWGOOD STUDY TOUR<br />

<strong>IRSE</strong><br />

Annual Younger Members’ Seminar<br />

Expanding Scotland’s Railways<br />

The YM of the <strong>IRSE</strong> would like to remind you that their annual conference will take place on Thursday 20 November 2008.<br />

The seminar will include a number of presentations on exciting Scottish projects and a site visit to the new West of Scotland<br />

Signalling Centre.<br />

Projects featured will include:<br />

Airdrie to Bathgate<br />

– reinstating a railway;<br />

Glasgow Airport Rail Link and Paisley Corridor Renewal<br />

– merging enhancements with renewals; a view from the engineer and the operator;<br />

Edinburgh Tram<br />

– bringing light rail to Edinburgh City Centre;<br />

World Class Railway<br />

– Network Rail’s vision for the future, with the Edinburgh to Glasgow Main Line at the forefront.;<br />

West of Scotland Signalling Centre<br />

– utilising current technology with MCS (Modular Control System) interfacing with Westlock.<br />

The event will be held in the IET Teacher’s Building in Glasgow and will be free to attend. This opportunity can only be repeated<br />

if it is strongly supported.<br />

Please complete the application form enclosed with this magazine, download the form from<br />

www.irse.org/YoungerMembers.html or email lynsey.hunter@networkrail.co.uk with your contact details.<br />

Please remember, there are no age restrictions to YM events.<br />

This event is open to all, there is no requirement to be a member of any institution.<br />

The signalling system is a SELTRAC S40 fixed block system.<br />

The system ensures that one ‘virtual block’ separation is kept<br />

between the train and the closest obstruction. Fixed block train<br />

detection is provided by axle counters. The axle counter sections<br />

are divided in to smaller fixed ‘virtual blocks’ by radio transmission<br />

between lineside antennae and the vehicles.<br />

Discussion<br />

MTR Disney Train<br />

There are two points that I would like to make in concluding this<br />

report. The first relates to the standardisation of signalling MMI<br />

displays. There are a number of different MMI display formats used<br />

within Hong Kong, within the Tsing Yi control room there are two<br />

different display formats that are side by side. Colours are used to<br />

represent different state and attribute on the different display<br />

formats, for example track section occupancy.<br />

Having observed the operational controls rooms in Hong Kong, I<br />

believe that if well managed, MMI standardisation is not necessary.<br />

The traffic controllers generally only use one type of MMI format<br />

and as such there is little danger of misinterpretation. Indeed it<br />

may be beneficial to standardise MMI formats to allow personnel to<br />

move around the control centre without the need for additional<br />

training, however operational effectiveness of Tsing Yi control<br />

centre demonstrates that this is not an essential factor.<br />

The second point that I would like to make is related to<br />

automatic train operation (ATO). Although ATO is often<br />

considered to be high-tech and cutting-edge, the technologies<br />

upon which ATO is based can now be considered to be mature.<br />

Lille line 1 (France) was the first FAO (Fully Automated<br />

Operation) service and has operated since 1983. Applications<br />

since then include the Vancouver Sky Train (currently the longest<br />

driverless network), Docklands Light Railway, Singapore MRT,<br />

Paris Metro, Manila Light Rail and the Hong Kong MTR<br />

Disneyland Resort line.<br />

There are many advantages for ATO. One key advantage is<br />

improved performance as a result of reduced operator error.<br />

Commercially, ATO is a long-term, cost effective solution that<br />

allows an organisation to remain competitive for a longer time<br />

period. Operationally, ATO can allow for greater flexibility and<br />

efficient recovery from failure.<br />

Acknowledgment<br />

I wish to thank the MTR Corporation for their hospitality and<br />

support in Hong Kong, and in particular Peter Chung (the 2004<br />

Thorrowgood Scholar) for organising and running the tour. I<br />

would like to thank the <strong>IRSE</strong>, for awarding me the Thorrowgood<br />

Scholarship, which financed this tour. Finally, I would like to<br />

thank my employer, Siemens Transportation Systems, for giving<br />

me the time to undertake this tour.<br />

20<br />

Issue <strong>138</strong> <strong>Oct</strong>ober 2008<br />

<strong>IRSE</strong><br />

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