Magnetic Guidance of Conventional Railroad Vehicles

[+] Author and Article Information
R. J. Caudill

Department of Civil Engineering, Princeton University, Princeton, N.J.

L. M. Sweet

Department of Mechanical & Aerospace Engineering, Princeton University, Princeton, N.J.

K. Oda

Japanese National Railways, Tokyo, Japan

J. Dyn. Sys., Meas., Control 104(3), 238-246 (Sep 01, 1982) (9 pages) doi:10.1115/1.3139703 History: Received June 04, 1981; Online July 21, 2009


The potential for improved dynamic performance of conventional rail vehicles through control of linear induction or synchronous motors is explored. Improvements in vehicle stability, ride quality, traction capability, track loading, derailment safety, and curving performance result from use of controllable lateral and normal forces present in the motor. Recent advances in technology originally developed for high-speed levitated vehicles are applied to conventional railroad systems which have a greater potential for near-term implementation. The dynamic performance of alternate configurations, consisting of several generic motor types mounted either on trucks or carbodies, are evaluated. Significant improvements in both lateral dynamic stability and curving performance may be realized through magnetic guidance of the trucks using force levels well within the capability of existing linear motor technology.

Copyright © 1982 by ASME
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