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Modeling and Simulation of an Electro-Hydraulic Servovalve in an Intelligent Programming Environment

[+] Author Affiliations
Mait Harf, Gunnar Grossschmidt

Tallinn University of Technology, Tallinn, Estonia

Paper No. ESDA2012-82150, pp. 281-289; 9 pages
  • ASME 2012 11th Biennial Conference on Engineering Systems Design and Analysis
  • Volume 2: Applied Fluid Mechanics; Electromechanical Systems and Mechatronics; Advanced Energy Systems; Thermal Engineering; Human Factors and Cognitive Engineering
  • Nantes, France, July 2–4, 2012
  • Conference Sponsors: International
  • ISBN: 978-0-7918-4485-4
  • Copyright © 2012 by ASME


Composing of models and simulation of statics, steady state conditions and dynamic responses of an electro-hydraulic servovalve is considered in the paper. The observed servovalve contains an electro-mechanical transducer (as a torque motor), a nozzle-and-flapper valve and a sliding spool in sleeve with elastic position feedback from spool to flapper. For composing mathematical models of the servovalve multi-pole models of functional elements are used. For representing relations between inner variables oriented graphs are used.

Results of the current work will be used in modeling and simulation of electro-hydraulic servo-systems.

Copyright © 2012 by ASME



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