Abstract In order to solve the requirements of real-time detection on metallic gaskets wheelset assembly under condition limited hardware resources, here we propose an improved lightweight YOLOX-like network that can be deployed mobile devices with low computing resource consumption. Firstly, basic components ShuffleNetV2 structure are trimmed reduce computation intensity and number training pa...

In South Africa, one of the main lines situated in its Limpopo Province presents symptoms excessive vehicle-track vibrations. A modal method is adopted to study difference dynamic response corrugated rails resting on Hytrel/6385 and High Density Polyethylene (HDPE) rail pads. The results for these two types pads are analysed form Frequency Response Functions (FRFs). Two positions considered obt...

The potential for lightweighting of railway axles was investigated to primarily reduce the unsprung mass a rail vehicle. reduction equates an overall lighter train which will help track damage, energy consumption and total operating costs. This work performed within NEXTGEAR project is ascribed under Shift2Rail program. paper focusses on design composite axle as part “Wheelset future” Work Pack...

Abstract The hunting phenomenon is an intrinsic swaying motion appearing in railway vehicles due to the vehicle’s forward speed and wheel–rail contact forces. Hunting consists of wheelset other components oscillations that arise above a certain known as critical or speed. These are unstable nature represent safety hazard they could lead derailment. This article analyses stability bogie nonlinea...