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A Method for Setting Wagon Speed Restrictions Based on Wagon Responses

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Date
2005
Type
Conference Paper

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Xia, F. and Cole, C. and Wolfs, P. 2005. A Method for Setting Wagon Speed Restrictions Based on Wagon Responses, 19th International Association of Vehicle System Dynamics Symposium, Aug 28 2005, pp. 424-432. Politecnico di Milano, Italy: Taylor & Francis.
Source Title
The 19th IAVSD Symposium - ?The Dynamics of Vehicles on Roads and Tracks?
Source Conference
19th International Association of Vehicle System Dynamics Symposium
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Faculty
Department of Electrical and Computer Engineering
School of Engineering
Faculty of Science and Engineering
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Abstract

This article presents a method to set wagon speed restrictions based on wagon body accelerations. For the specific locomotive, wagon conditions and track states, an individual wagon critical speed may be determined from its running stability. Furthermore, stability can be evaluated by a wheelset derailment index, which is determined by the ratio of lateral and vertical wheel-rail contact forces. Providing theinformation on the critical speed online has, without doubt, significant industrial application potentials.The research efforts in this article are focused on the estimation of wheel-rail contact forces usingmeasured wagon body accelerations.