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Re-adhesion control for a railway single wheelset test rig based on the behaviour of the traction motor

Zhao, Yunshi and Liang, Bo (2013) Re-adhesion control for a railway single wheelset test rig based on the behaviour of the traction motor. Vehicle System Dynamics, 51 (8). pp. 1173-1185. ISSN 0042-3114

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Abstract

A method for detecting wheel slip/slide and re-adhesion control of AC traction motors in railway applications is presented in this paper. This enables a better utilisation of available adhesion and could also reduce wheel wear by reducing high creep values. With this method, the wheel–rail (roller) creepage, creep force and friction coefficient can be indirectly detected and estimated by measuring the voltage, current and speed of the AC traction motor and using an extended Kalman filter. The re-adhesion controller is designed to regulate the motor torque command according to the maximum available adhesion based on the estimated results. Simulations under different friction coefficients are carried out to test the proposed method.

Item Type: Article
Subjects: T Technology > TF Railroad engineering and operation
T Technology > TJ Mechanical engineering and machinery
Schools: School of Computing and Engineering
School of Computing and Engineering > Institute of Railway Research
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Depositing User: Yunshi Zhao
Date Deposited: 08 Jan 2015 15:27
Last Modified: 08 Jan 2015 15:27
URI: http://eprints.hud.ac.uk/id/eprint/22868

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