This paper provides a review of the state of the art of electro-hydraulic servovalves, which are widely used valves in industrial applications and aerospace, being key components for closed-loop electro-hydraulic motion control systems. The paper discusses their operating principles and the analytical models used to study these valves. Commercially available units are also analysed in detail, reporting the performance levels achieved by current servovalves in addition to discussing their advantages and drawbacks. A detailed analysis of research that investigates these valves via computational fluid-dynamic analysis is also provided. Research studies on novel control systems and novel configurations based on the use of smart materials, which aim to improve performance or reduce cost, are also analysed in detail.
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|Titolo:||A review of electro-hydraulic servovalve research and development|
|Data di pubblicazione:||2018|
|Digital Object Identifier (DOI):||10.1080/14399776.2018.1537456|
|Appare nelle tipologie:||1.1 Articolo in rivista|