Active Control of a High-Speed Pantograph

[+] Author and Article Information
D. N. O’Connor

TRW Controls Group, Redondo Beach, CA 90277

S. D. Eppinger

Massachusetts Institute of Technology, Sloan School of Management, Cambridge, MA 02139

W. P. Seering

Massachusetts Institute of Technology, Department of Mechanical Engineering, Cambridge, MA 02139

D. N. Wormley

School of Engineering, The Pennsylvania State University, University Park, PA 16802

J. Dyn. Sys., Meas., Control 119(1), 1-4 (Mar 01, 1997) (4 pages) doi:10.1115/1.2801209 History: Received September 02, 1992; Online December 03, 2007


The design and performance of an active controller for a pantograph which collects current for a high-speed train are considered. A dynamic model of the pantograph/catenary system is described and control objectives are established. A design which incorporates a frame-actuated controller and requires only a single measurement is described. Over an array of train speeds, the contact force variation with the actively controlled pantograph is 50 percent less than for the equivalent passive pantograph system.

Copyright © 1997 by The American Society of Mechanical Engineers
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