Analysis of the braking performance of a rail vehicle emphasizing mechatronic components

Wheelslide and Wheelskid Protection for a Single-Wheel Drive and Brake Module (SDBM) for Rail Vehicles

“…For instance, the creep force depends on the contact area between the wheel and the rail, its temperature, the surface roughness, as well as environmental conditions such as contamination due to water, oil, dirt, snow and other factors. However, a multitude of measurements showed, that primarily the dependency of the non-dimensional creep force on the longitudinal creepage or creep velocity plays a significant role and obtains the characteristics shown in figure 2 [Vie06]. The model of the non-dimensional creep force in longitudinal direction which is used in this work was suggested by Polach in [Pol05] and writes…”

Effects of Mechanical Wheel Slide Protection Devices Action on Railway Vehicles Braking Process

“…Main adverse effects are longer brake distances and variations of speed and decelerations, generating also jerks that affect passengers comfort. Actual research on the influence of WSPD actions on braking capacity mainly refers to the electronic ones [6,7].…”

Predictive control strategies used to solve challenges related to modern railway vehicles

“…Also the active suspension system can adapt to various levels of speed and improve the ride quality without having to change the suspension components. Viereck et al [5] describe the behaviour of modern tilting trains with active or semi-active secondary suspension used for improving the ride quality, active primary suspension for guidance improvement and active tilting for increasing the forward speed. So the active suspension systems could play an important role in the control strategies aiming to improve the dynamic performance of the rail vehicle.…”