Steady-State Theoretical Model of an Electro-Hydraulic Single-Disk Pilot Valve

[+] Author and Article Information
Y. Sun, G. A. Parker

Department of Mechanical Engineering, University of Surrey, Guildford Surrey, U.K.

J. Dyn. Sys., Meas., Control 114(2), 293-298 (Jun 01, 1992) (6 pages) doi:10.1115/1.2896527 History: Received March 19, 1991; Revised July 21, 1991; Online March 17, 2008


The paper describes an electro-hydraulic single floating-disk valve suitable for use as a pilot control device. For this type of application proportional action involving small movements of the disk for the null condition is required. The theory for the steady-state linearized analysis of both the fluid and electromagnetic characteristics is developed. Experimental verification of the electromagnetic model is also described.

Copyright © 1992 by The American Society of Mechanical Engineers
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