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 …

Full-scale testing of low adhesion effects with small amounts of water in the wheel/rail interface

LE Buckley-Johnstone, G Trummer, P Voltr, K Six… - Tribology …, 2020 - Elsevier
Low adhesion in the wheel/rail contact can be caused by small amounts of water combining
with iron oxides. This happens in light rain or at dew point. In small-scale tests, ultra-low …

Transient wheel–rail adhesion characteristics under the cleaning effect of sliding

P Voltr, M Lata - Vehicle System Dynamics, 2015 - Taylor & Francis
Investigation of traction and braking phenomena in rail vehicles requires proper modelling of
friction in the wheel–rail contact in the mode of full sliding. Adhesion characteristic with …

Development of an innovative wheel–rail contact model for the analysis of degraded adhesion in railway systems

B Allotta, E Meli, A Ridolfi, A Rindi - Tribology International, 2014 - Elsevier
A detailed description of adhesion is crucial in tribology, vehicle dynamics and railway
systems, both theoretically and practically. However, an accurate adhesion model is quite …

Investigation of adhesion recovery phenomenon using a scaled roller-rig

N Bosso, M Magelli, N Zampieri - Vehicle system dynamics, 2021 - Taylor & Francis
When high creep values occur on a braked/trailing wheelset running on a contaminated
track, changes in the friction conditions take place. In fact, the work of the friction forces …

An innovative wheel–rail contact model for railway vehicles under degraded adhesion conditions

E Meli, A Ridolfi - Multibody System Dynamics, 2015 - Springer
The accurate modelling of the wheel–rail contact plays a fundamental role in the railway
field since the contact forces heavily affect the vehicle dynamics, the wear of the contact …

Experimental investigation on wheel–rail adhesion characteristics under water and large sliding conditions

J Zhou, M Wu, C Tian, Z Yuan, C Chen - Industrial Lubrication and …, 2021 - emerald.com
Purpose The purpose of this study is to investigate the adhesion characteristics of the wheel–
rail under water and large sliding conditions. This is carried out by conducting a series of …

A railway local degraded adhesion model including variable friction, energy dissipation and adhesion recovery

M Meacci, Z Shi, E Butini, L Marini, E Meli… - Vehicle System …, 2021 - Taylor & Francis
The modelling of the wheel–rail contact is fundamental in the railway field since the contact
forces directly affect vehicle dynamics, wear, safety and maintenance. In this context, the …

An innovative hardware in the loop architecture for the analysis of railway braking under degraded adhesion conditions through roller-rigs

R Conti, E Meli, A Ridolfi, A Rindi - Mechatronics, 2014 - Elsevier
Nowadays, the longitudinal train dynamical behaviour is almost totally controlled by braking
on board subsystems, such as Wheel Slide Protection (WSP) devices. The study and the …

Particle swarm optimization based parametrization of adhesion and creep force models for simulation and modelling of railway vehicle systems with traction

A Onat, P Voltr - Simulation modelling practice and theory, 2020 - Elsevier
Adhesion and creep force models play an important role in the realistic simulation of railway
vehicle systems. These models are mainly based on experiments and they are determined …