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Saving Energy and Cost with application of Railway Smart Wayside Object Controllers
KTH, School of Engineering Sciences (SCI), Centres, The KTH Railway Group. KTH, School of Engineering Sciences (SCI), Engineering Mechanics, Vehicle Engineering and Solid Mechanics, Väg- och spårfordon samt konceptuell fordonsdesign.ORCID iD: 0000-0001-7393-569X
KTH, School of Engineering Sciences (SCI), Centres, The KTH Railway Group. KTH, School of Industrial Engineering and Management (ITM).
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Transport planning. KTH, School of Engineering Sciences (SCI), Centres, The KTH Railway Group.
KTH, School of Industrial Engineering and Management (ITM). KTH, School of Engineering Sciences (SCI), Centres, The KTH Railway Group.
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2022 (English)Conference paper, Published paper (Refereed)
Abstract [en]

Trackside equipment and signalling devices are controlled by wayside object controllers (OC). Radio communication systems enable the wireless transmission of command control and signalling (CCS) data, which can help to reduce the cost of cabling and installation. However, for regional lines with low traffic volumes in rural areas, most of them are non-electrified, so a special cable for powering the wayside object controller system is still needed to be installed along the track, which would significantly increase the construction cost and maintenance work. A smart wayside object controller (SWOC) is suggested, which would be autonomous, self-sufficient, remotely-monitorized and locally-powered to ensure its proper operation, so the cabling and installation work can be totally removed. In order to demonstrate its viability and benefits over the existing systems, this work studies the possibility to use different renewable energy sources to power the system and then estimates the life cycle cost (LCC) of the SWOC in long-term operation. This study shows that in most places, it is sufficient to use 100% renewable energy sources to power the SWOC, trackside equipment and signalling devices. Compared with the existing system, the SWOC shows a significant cost saving in long-term operation by removing cabling and installation, reducing trackside maintenance and replacing the power supply with renewable energy power sources. Therefore, the SWOC shows its benefits over the existing system in both economical and environmental aspects. In the end, some suggestions on future development and implementation of SWOC are given.

Place, publisher, year, edition, pages
2022.
Keywords [en]
railway signalling system, wayside object controller, renewable energy, life cycle cost.
National Category
Vehicle Engineering
Identifiers
URN: urn:nbn:se:kth:diva-314991OAI: oai:DiVA.org:kth-314991DiVA, id: diva2:1677458
Conference
The Fifth International Conference on Railway Technology: Research, Development and Maintenance, Montpellier, France, 22-25 August 2022
Note

QCR 20220726

Available from: 2022-06-27 Created: 2022-06-27 Last updated: 2022-08-08Bibliographically approved

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Liu, ZhendongBerg, Mats

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The KTH Railway GroupVäg- och spårfordon samt konceptuell fordonsdesignSchool of Industrial Engineering and Management (ITM)Transport planning
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