Publications for Timothy Harrison
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Journal Articles
Hubbard, P,
Harrison, T, Ward, C, Abduraxman, B (2024)
Creep slope estimation for assessing adhesion in the wheel/rail contact,
IET Intelligent Transport Systems, 18(10), pp.1931-1942, ISSN: 1751-956X. DOI:
10.1049/itr2.12561.
Dutta, S,
Harrison, T, Ward, C, Dixon, R, Winship, P (2024)
A framework for dynamic modelling of railway track switches considering the switch blades, actuators and control systems,
Railway Engineering Science, 32(2), pp.162-176, ISSN: 2662-4745. DOI:
10.1007/s40534-023-00324-2.
Abduraxman, B, Hubbard, P,
Harrison, T, Ward, C, Fletcher, D, Lewis, R, White, B (2024)
Acceleration-based friction coefficient estimation of a rail vehicle using feedforward NN: validation with track measurements,
Vehicle System Dynamics, 62(12), pp.1-20, ISSN: 0042-3114. DOI:
10.1080/00423114.2024.2323600.
White, B, Lewis, R, Fletcher, D,
Harrison, T, Hubbard, P, Ward, C (2023)
Rail-wheel friction quantification and its variability under lab and field trial conditions,
Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 238(5), pp.569-579, ISSN: 0954-4097. DOI:
10.1177/09544097231209483.
Abduraxman, BM,
Harrison, T, Ward, C, Midgley, W (2023)
Optimal intermittent electrification and its effect on battery sizing and energy saving using a high-fidelity train model,
Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 237(9), pp.1205-1218, ISSN: 0954-4097. DOI:
10.1177/09544097231159179.
Abduraxman, B,
Harrison, T, Ward, C, Midgley, W (2021)
An investigation into intermittent electrification strategies and an analysis of resulting CO2 emissions using a high-fidelity train model,
Railway Engineering Science, 29(3), pp.314-326, ISSN: 2662-4745. DOI:
10.1007/s40534-021-00248-9.
Harrison, T, Midgley, W, Goodall, R, Ward, C (2021)
Development and control of a rail vehicle model to reduce energy consumption and carbon dioxide emissions,
Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 235(10), pp.1237-1248, ISSN: 0954-4097. DOI:
10.1177/0954409721993632.
Olaby, O, Dutta, S,
Harrison, T, Ward, C, Dixon, R (2021)
Realisation of a Novel Functionally Redundant Actuation System for a Railway Track-Switch,
Applied Sciences, 11(2), ISSN: 2076-3417. DOI:
10.3390/app11020702.
Dutta, S,
Harrison, T, Ward, C, Dixon, R, Scott, T (2019)
A new approach to railway track switch actuation: Dynamic simulation and control of a self-adjusting switch,
Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 234(7), pp.779-790, ISSN: 0954-4097. DOI:
10.1177/0954409719868129.
Bezin, Y, Sarmiento-Carnevali, M, Sichani, MS, Neves, S, Kostovasilis, D, Bemment, S,
Harrison, T, Ward, C, Dixon, R (2019)
Dynamic analysis and performance of a repoint track switch,
Vehicle System Dynamics, 58(6), pp.843-863, ISSN: 0042-3114. DOI:
10.1080/00423114.2019.1612925.
Bemment, S,
Harrison, T, Goodall, R, Ward, C, Dixon, R (2018)
Extending emergency repair response times for railway track switches through multi-channel redundancy of functional subsystems,
International Journal of Railway Technology, ISSN: 2049-5358.
Conferences
Harrison, T, Abduraxman, B, Hubbard, P, Ward, C, White, B, Fletcher, D, Chandrasekhar, K, Lewis, R, Vincent, D, Chaney, S, Burstow, M, Cockcroft, E (2024)
Creation of and measurement of low adhesion conditions for the development of on-train low adhesion detection equipment. In Huang, W and Ahmadian, M (ed)
Advances in Dynamics of Vehicles on Roads and Tracks III. Proceedings of the 28th Symposium of the International Association of Vehicle System Dynamics, IAVSD 2023, August 21–25, 2023, Ottawa, Canada, pp.1068-1076, ISBN: 9783031669705. DOI:
10.1007/978-3-031-66971-2_110.
Abduraxman, BM, Ward, C, Midgley, W,
Harrison, T, Goodall, R (2022)
Coupled Models with Contact Kinematics for Pantograph-Catenary Systems. In
, pp.168-178, ISBN: 9783031073045. DOI:
10.1007/978-3-031-07305-2_18.
Dutta, S, Harrison, T, Sarmiento-Carnevali, ML, Olaby, O, Bemment, SD, Ward, C, Chalisey, A, Dixon, R, Kaijuka, P, Henson, S (Accepted for publication) REPOINT- Designing a Radically New Switch Machine. In 4th International Conference on Railway Technology: Research, Development and Maintenance, Barcelona, Spain.
Sarmiento-Carnevali, M, Bemment, S,
Harrison, T, Ward, C, Dixon, R, Bezin, Y, Neves, S, Kostovasilis, D, Sichani, MS (2018)
Repoint track switch wheel-rail mechanical interface analysis. In
IAVSD Symposium, Queensland, Australia,ISBN: 9781138035713.
Dutta, S,
Harrison, T, Sarmiento-Carnevali, M, Ward, C, Dixon, R (2018)
Modelling and controller design for self-adjusting railway track switch system. In
7th Transport Research Arena TRA 2018, Vienna, Austria.
Sarmiento-Carnevali, M,
Harrison, T, Dutta, S, Ward, C, Dixon, R (2018)
On the development of a full-scale Repoint Light track switch. In
The 8th International Conference on Railway Engineering, London, UK,ISBN: 9781785618468. DOI:
10.1049/cp.2018.0074.
Dutta, S, Olaby, O,
Harrison, T, Kaijuka, P, Sarmiento-Carnevali, M, Bemment, S, Ward, C, Dixon, R (2018)
Development of controller for REPOINT Light railway track switch. In
In 2018 UKACC 12th International Conference on Control (CONTROL), Sheffield, UK,ISBN: 9781538628645. DOI:
10.1109/CONTROL.2018.8516725.
Dutta, S,
Harrison, T, Sarmiento-Carnevali, M, Olaby, O, Bemment, S, Ward, C, Chalisey, A, Dixon, R (2018)
REPOINT - designing a radically new switch machine [conference abstract]. In
Railways 2018 - The Fourth International Conference on Railway Technology, Sitges, Barcelona.
Sarmiento-Carnevali, M,
Harrison, T, Dutta, S, Bemment, S, Ward, C, Dixon, R (2017)
Design, construction, deployment and testing of a full-scale Repoint Light track switch (I). In
Stephenson Conference: Research for Railways, London, pp.409-416.
Harrison, T, Bemment, S, Ebinger, E, Goodall, R, Ward, C, Dixon, R (2016)
Rethinking rail track switches for fault tolerance and enhanced performance. In
, IFAC papers online. DOI:
10.1016/j.ifacol.2016.10.564.
Chapters
Ward, C, Goodall, R, Harrison, T, Midgley, W (2022) Mechatronic Applications in Rail Systems and Technologies. In EcoMechatronics Challenges for Evolution, Development and Sustainability, Springer Nature, pp.155-175, ISBN: 9783031075551.