Polygonisation is a common nonuniform wear phenomenon occurring in railway vehicle
wheels and has a severe impact on the vehicle–track system, ride comfort, and lineside …

Out-of-roundness in railway wheels, in particular polygonal wear resulting in regular, multi-
lobed, out-of-round wheels, has become a significant problem in recent years. It is of …

Two types of high power alternating current (AC) locomotive in China are prone to serious
high-order polygonal wear, which has significant negative effects on the operation of …

Through the integration of advanced sensor technologies and machine learning algorithms,
artificial intelligence has revolutionized wayside monitoring in the railway sector. Although …

This research presents an approach based on artificial intelligence techniques for wheel
polygonization detection. The proposed methodology is tested with dynamic responses …

Wear and rolling contact fatigue (RCF) problems observed on metro wheel/rail systems in
China in the last 15 years are summarized and explained from the aspects of phenomena …

High-order wheel polygonal wear results in many problems in track and vehicle systems. To
gain insight into its formation mechanism, the relationship between dominating order and …

The polygonal wear of train wheels is common. It increases the wheel-rail interaction force
drastically and adversely affects the safety and comfort of the train. The mechanism of the …

High-order polygonal wear wheels have been detected on metro express train operating on
one metro line in China, which cause fatigue failures of steel coil springs in the primary …

The formation and development of wheel polygon wear (WPW) present significant
challenges to the safety of railway vehicle operations. It is widely accepted that WPW occurs …