Controlling a Rail Vehicle with Independently-Rotating Wheels

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Controlling a Rail Vehicle with Independently-Rotating Wheels

Farhat, Nabilah / Ward, Christopher / Shaebi, Omar / Crosbee, David / Stow, Julian / Wang, Ruichen / Goodall, Roger / Whitley, Martin

Abstract

A conventional rail vehicle has a purely mechanical suspension consisting of springs and dampers. Their performance is determined mainly by spring stiffnesses, damper coefficients and the sprung and unsprung masses. As a result, the guidance forces generated at the wheel-rail contact are not optimised for a particular track curvature or profile. This leads to a contradictory requirement for a stiff suspension for guidance and a softer suspension for steering, and conventional vehicles have to be designed for a wide range of operating regimes. Active suspensions to influence the running gear of a rail vehicle have been studied widely [1] and proposed as a solution to overcoming the inherent suspension design conflict between stability and guidance. Some of this research has suggested that an active vehicle with independently-rotating wheels (IRWs) will provide the best solution in terms of vehicle performance and lower actuation requirements [2]. This paper takes this research further by designing and implementing a robust controller for IRWs on a multi-body physics simulation (MBS) model of a British Rail Class 230 D-train with modified bogies.

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Document information

Title :

Controlling a Rail Vehicle with Independently-Rotating Wheels

Additional title:

Lect.Notes Mechanical Engineering

Contributors:

Klomp, Matthijs (editor) / Bruzelius, Fredrik (editor) / Nielsen, Jens (editor) / Hillemyr, Angela (editor) / Farhat, Nabilah (author) / Ward, Christopher (author) / Shaebi, Omar (author) / Crosbee, David (author) / Stow, Julian (author) / Wang, Ruichen (author)

Conference:

The IAVSD International Symposium on Dynamics of Vehicles on Roads and Tracks ; 2019 ; Gothenburg, Sweden August 12, 2019 - August 16, 2019

Published in:

Advances in Dynamics of Vehicles on Roads and Tracks ; Chapter : 4 ; 31-39

Lecture Notes in Mechanical Engineering

Publication date :

2020-02-13

Size :

9 pages

ISBN :

978-3-030-38077-9 , 978-3-030-38076-2

ISSN :