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Review Article

A REVIEW OF DIRECT DRIVE PROPORTIONAL ELECTROHYDRAULIC SPOOL VALVES: INDUSTRIAL STATE-OF-THE-ART AND RESEARCH ADVANCEMENTS

[+] Author and Article Information
Paolo Tamburrano

Department of Mechanics, Mathematics and Management (DMMM)-Polytechnic University of Bari, Via Orabona 4, 70125, Bari, Italy; Centre for Power Transmission and Motion Control (PTMC), Department of Mechanical Engineering, University of Bath, Claverton Down BA2 7AY, Bath, UK
paolo.tamburrano@poliba.it
P.Tamburrano@bath.ac.uk

Andrew Plummer

Centre for Power Transmission and Motion Control (PTMC), Department of Mechanical Engineering, University of Bath, Claverton Down BA2 7AY, Bath, UK
a.r.plummer@bath.ac.uk

Elia Distaso

Department of Mechanics, Mathematics and Management (DMMM), Polytechnic University of Bari, Via Orabona 4, 70125, Bari, Italy
elia.distaso@poliba.it

Riccardo Amirante

Department of Mechanics, Mathematics and Management (DMMM), Polytechnic University of Bari, Via Orabona 4, 70125, Bari, Italy
riccardo.amirante@poliba.it

1Corresponding author.

ASME doi:10.1115/1.4041063 History: Received February 26, 2018; Revised July 28, 2018

Abstract

This paper reviews the state of the art of directly driven proportional directional hydraulic spool valves, which are widely used hydraulic components in the industrial and transportation sectors. Firstly, the construction and performance of commercially available units are discussed, together with simple models of the main characteristics. The review of published research focusses on two key areas: investigations that analyse and optimize valves from a fluid dynamic point of view, and then studies on spool position control systems. Mathematical modelling is a very active area of research, including Computational Fluid Dynamics (CFD) for spool geometry optimisation, and dynamic spool actuation and motion modelling to inform controller design. Drawbacks and advantages of new designs and concepts are described in the paper.

Copyright (c) 2018 by ASME
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