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Simulation and Experimental Investigations of a Digital High Speed Close Loop Proportional Directional Valve Using a Solenoid Technology

[+] Author Affiliations
Dario Buono, Adolfo Senatore, Emma Frosina

University of Naples, Naples, Italy

Wade Gehlhoff

Continental Hydraulics Inc., Savage, MN

Ina I. Costin

University Politehnica of Bucharest, Bucureşti, Romania

Paper No. FPMC2016-1748, pp. V001T01A022; 11 pages
  • BATH/ASME 2016 Symposium on Fluid Power and Motion Control
  • BATH/ASME 2016 Symposium on Fluid Power and Motion Control
  • Bath, UK, September 7–9, 2016
  • Conference Sponsors: Fluid Power Systems and Technology Division
  • ISBN: 978-0-7918-5006-0
  • Copyright © 2016 by ASME


This paper describes the design, simulation and testing of a high response servo-proportional valve. The purpose of this work is to study the possibilities, using a modeling technology, to increase the dynamic performance of a servo-proportional directional developing new algorithms for the digital control system.

The development of digital technology, introduced also in the control of proportional valves, have led to the reduction of the differences between the overall characteristics of proportional and servo valves so that the proportional ones can be a suitable solution in many applications, where servo-valves are traditionally used.

The mathematical model of the servo-proportional valve has been developed by using the commercial software AMESim® (Advanced Modeling and Simulation Environment for Systems Engineering). The model includes the proportional solenoid and the linear transducer.

Digital control of the proportional valve proposed in this paper, is a key part of this research. Its mathematical model and the control algorithm have been built using Matlab®. Both models have been run in co-simulation to improve the overall valve performance.

The experimental tests have been performed in the labs of Duplomatic Oleodinamica SpA and Continental Hydraulic Inc.

The data have been used to validate the simulation models.

Copyright © 2016 by ASME



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