A new measuring method of wheel-rail contact forces

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A new measuring method of wheel-rail contact forces

Matsumoto, Akira / Sato, Yasuhiro / Ohno, Hiroyuki / Tomeoka, Masao / Matsumoto, Kosuke / Kurihara, Jun / Ogino, Tomohisa / Tanimoto, Masuhisa / Kishimoto, Yasushi / Sato, Yoshi / ... [more]

Abstract

In order to realize constant monitoring of wheel/rail contact forces, a new measuring method has been developed that needs no 'special wheelset'. The new method uses non-contact gap sensors for measuring of the lateral contact force. The lateral distortion of the wheel rim or web is measured by a non-contact gap sensor, and after the compensation by the data from other gap sensors, the lateral contact force is obtained. After curve running tests on a test stand and train running tests on a commercial line, it has been verified that this new method can obtain sufficient data for practical use. But further improvement should be necessary for higher accuracy in inside wheels. The normal contact force is measured by the strain of the truck frame, and the longitudinal contact force is measured by the strain of the lever of axle-box support link. Both methods can obtain the sufficient accuracy of data for practical use.

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Document information

Title :

A new measuring method of wheel-rail contact forces

Additional title:

Ein neues Messverfahren für Rad-Schiene-Kontaktkräfte

Contributors:

Matsumoto, Akira (author) / Sato, Yasuhiro (author) / Ohno, Hiroyuki (author) / Tomeoka, Masao (author) / Matsumoto, Kosuke (author) / Kurihara, Jun (author) / Ogino, Tomohisa (author) / Tanimoto, Masuhisa (author) / Kishimoto, Yasushi (author) / Sato, Yoshi (author)

Published in:

DETC, ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conferences, 2005, MSNDC, International Conference on Multibody Systems, Nonlinear Dynamics, and Control, 5 ; 2173-2180

Publication date :

2005

Size :

8 Seiten, 15 Bilder, 3 Quellen

ISBN :

0-7918-4743-8

Type of media :

Conference paper

Type of material :

Language :