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Increasing Capacity and Reducing Travel Times in High-speed Train Operations through Virtual Coupling

Flamm, Leander and Mönsters, Michael and Weik, Norman (2023) Increasing Capacity and Reducing Travel Times in High-speed Train Operations through Virtual Coupling. In: Proceedings of the Fifth International Conference on Railway Technology: Research, Development and Maintenance, 1, 13.3. Civil-Comp Press. Railways 2022, 2022-08-22 - 2022-08-25, Montpellier, Frankreich. doi: 10.4203/ccc.1.13.3.

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Official URL: https://www.ctresources.info/ccc/download/ccc.9587.pdf


With Virtual Coupling nearing a technically viable state, an old operational concept may become practicable again in a reinterpreted form: Slip Coaching. Not only can a part of a train be left behind in through stations without the main train reducing its speed, but it also can accelerate again after stopping and be picked up by a following train. We propose a concept viable on existing infrastructure (aside from digitalisation requirements for Virtual Coupling itself) and in high-speed railway operations. The impacts range from shortened travel times over more direct connections to an increased track capacity (seats per hour). Multiple shorter trains run as one virtual trainset in highly frequented stations and on busy routes, splitting in front of intermediate stations to stop independently of each other. A second scenario of the concept combines this with the possibility of joining two trains stopping side by side in a larger station after leaving the station to one trainset to enable running 700 m long trainsets in passenger transport. This paper focusses on the demonstration of feasibility of the concept concerning train dynamics, vehicle configurations and operational procedures. To this end, we apply it to the route between Hanover and Frankfurt (Main) in Germany. We microscopically simulated a segment between two stations and created a possible timetable with the resulting timings, including buffers for a resilient operation. Main results are a reduction of travel times of over 10% and an increased capacity of seats per hour together with an improved service for intermediate stations and without the need of new infrastructure construction. This is especially significant seeing lengthy planning and construction times collide with plans to double passenger numbers in German railway transport in the next ten years. The proposed Virtual Coupling Slip Coaching concept therefore shows a powerful incentive for the continued development and certification of Virtual Coupling as an extension to the European Train Control System ETCS.

Item URL in elib:https://elib.dlr.de/195776/
Document Type:Conference or Workshop Item (Speech)
Additional Information:https://www.railwaysconference.com/
Title:Increasing Capacity and Reducing Travel Times in High-speed Train Operations through Virtual Coupling
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Mönsters, MichaelUNSPECIFIEDhttps://orcid.org/0000-0001-7191-8204UNSPECIFIED
Weik, NormanUNSPECIFIEDhttps://orcid.org/0000-0002-5977-9958UNSPECIFIED
Date:26 June 2023
Journal or Publication Title:Proceedings of the Fifth International Conference on Railway Technology: Research, Development and Maintenance
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:13.3
EditorsEmailEditor's ORCID iDORCID Put Code
Publisher:Civil-Comp Press
Keywords:NGT, next generation train, rail operation, operation, operational concept, Germany, reference line, high-speed line, high-speed rail traffic, train, railways, timetable, timetable concept, NGT BIT, slip coaching, virtual coupling, direct connection, interchange, journey time, capacity, infrastructure, signalling, paths, case study, high-speed train, travel times, operational concept, technical requirements, slip coaching, microscopic simulation
Event Title:Railways 2022
Event Location:Montpellier, Frankreich
Event Type:international Conference
Event Start Date:22 August 2022
Event End Date:25 August 2022
Organizer:Elsevier, Civil-Comp Conferences
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Transport System
DLR - Research area:Transport
DLR - Program:V VS - Verkehrssystem
DLR - Research theme (Project):V - Energie und Verkehr (old), V - NGT BIT (old)
Location: Braunschweig
Institutes and Institutions:Institute of Transportation Systems > Design and Evaluation of Mobility Solutions, BS
Deposited By: Mönsters, Michael
Deposited On:14 Jul 2023 13:45
Last Modified:24 Apr 2024 20:56

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