Modeling and Test of an Electropneumatic Servovalve Controlled Long Rodless Actuator

[+] Author and Article Information
X. Lin, S. Scavarda

Laboratoire d’Automatique Industrielle, Bât. 303-INSA de Lyon, 20, Avenue Albert Einstein, 69621 Villeurbanne, France

F. Spettel

Laboratoire de Mécanique des Fluides, Bât. 303-INSA de Lyon, 20, Avenue Albert Einstein, 69621 Villeurbanne, France

J. Dyn. Sys., Meas., Control 118(3), 457-462 (Sep 01, 1996) (6 pages) doi:10.1115/1.2801167 History: Received May 12, 1993; Online December 03, 2007


The usual way of modeling an electropneumatic servodrive system consists of supposing the homogeneity of the flow parameters in the cylinder. In order to study the influence of the transmission line effects on the dynamic behavior of a long pneumatic rodless cylinder, a generalized one-dimensional distributed parameter cylinder model is presented. The proposed numerical scheme combining the finite difference and the “characteristics” method enables the simulate of a long rodless cylinder by taking into account the servovalve boundary conditions and the piston movement. The simulated results are compared with experimental results.

Copyright © 1996 by The American Society of Mechanical Engineers
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