Problems, assumptions and solutions in locomotive design, traction and operational studies

M Spiryagin, Q Wu, O Polach, J Thorburn… - Railway Engineering …, 2022 - Springer
Locomotive design is a highly complex task that requires the use of systems engineering
that depends upon knowledge from a range of disciplines and is strongly oriented on how to …

The effects of the friction block shape on the tribological and dynamical behaviours of high-speed train brakes

ZY Xiang, W Chen, JL Mo, QA Liu, ZY Fan… - International Journal of …, 2021 - Elsevier
Drag brake experiments using hexagonal, pentagonal, and circular friction blocks are
conducted using a self-designed small-scale brake dynamometer to investigate the …

A numerical study on tread wear and fatigue damage of railway wheels subjected to anti-slip control

Y Yang, L Ling, J Wang, W Zhai - Friction, 2023 - Springer
Tread wear and rolling contact fatigue (RCF) damage propagated on railway wheels are the
two extremely important focal points as they can tremendously deteriorate wheel/rail …

A novel dynamics model of a trailer bogie brake system and its application in stability analysis

Q Wang, Z Wang, J Mo, MY Gebreyohanes… - … Systems and Signal …, 2022 - Elsevier
The dynamic performance of the trailer bogie brake system is essential for the safe operation
of a high-speed train during the braking process. In this work, we developed a novel ten …

A novel anti-slip control approach for railway vehicles with traction based on adhesion estimation with swarm intelligence

A Zirek, A Onat - Railway Engineering Science, 2020 - Springer
Anti-slip control systems are essential for railway vehicle systems with traction. In order to
propose an effective anti-slip control system, adhesion information between wheel and rail …

Friction and vibration behaviours of high-speed train brake system excited by wheel flats

Z Wang, L Zhang, Z Ren, J Mo, L Yang… - International Journal of …, 2024 - Taylor & Francis
To study the interface friction and vibration behaviours of brake systems with wheel flat, a
rigid-flexible vehicle dynamics model and a finite element model of brake system are …

Polygonal wear evolution of locomotive wheels subjected to anti-slip control

Y Yang, M Xu, L Ling, W Zhai - Wear, 2022 - Elsevier
Polygonal wear is a common defect that appears along the railway wheel circumference,
and a rapid propagation of which can come into being a considerable harm to the train …

Real-time wheel–rail friction coefficient estimation and its application

Y Zhao, L Shen, Z Jiang, B Zhang, G Liu… - Vehicle System …, 2023 - Taylor & Francis
The friction coefficient at the wheel–rail interface is crucial for the traction, braking and
guidance of the railway vehicle. Real-time knowledge of the friction coefficient could reduce …

Real-time multibody modeling and simulation of a scaled bogie test rig

S Shrestha, M Spiryagin, Q Wu - Railway Engineering Science, 2020 - Springer
In wheel–rail adhesion studies, most of the test rigs used are simplified designs such as a
single wheel or wheelset, but the results may not be accurate. Alternatively, representing the …

Non-Hertzian contact analysis of heavy-haul locomotive wheel/rail dynamic interactions under changeable friction conditions

Y Yang, X Guo, Y Sun, L Ling, T Zhang… - Vehicle System …, 2022 - Taylor & Francis
Wheel/rail dynamic interactions of heavy-haul locomotives are highly nonlinear and
complicated due to large traction/braking loads, frequent anti-slip control and complex …