2024
DOI: 10.3390/act13040135
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A Wear Prediction Framework for Ball-Screw of Electro-Mechanical Brake Unit on Railway Trains

Tianhe Ma,
Jingjing Weng,
Chun Tian
et al.

Abstract: The electro-mechanical brake is a new advancement in railway train braking. Ball-screws are important components of electro-mechanical braking units (EMBUs), and their wear can cause EMBUs to degrade in performance or even fail to function. In this paper, we present a framework for prediction of ball-screw wear with discrete operating conditions as inputs, taking into account the time-varying characteristics of EMBUs. The framework includes determining the contact type, analyzing relative motion, calculating c… Show more

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