A lightweight, low leakage piezoelectric servovalve

Lars Persson, Andrew Plummer, Christopher Bowen, Ian Brooks

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Abstract

We describe a new two-stage aerospace servovalve which has an additively manufactured titanium body, and a small piezoelectrically actuated spool as its first stage, with electrical main stage position feedback. The approach promises to provide low weight, low leakage, and more accurate spool positioning. In addition, it enables increased manufacturing automation thereby reducing cost, increasing repeatability, and generates less waste material. Valve design, operation and measured performance are discussed in this paper.
Original languageEnglish
Title of host publicationProc Recent Advances in Aerospace Actuation Systems and Components 2016
Publication statusPublished - 1 Mar 2016
EventRecent Advances in Aerospace Actuation Systems and Components 2016 - Toulouse, France
Duration: 16 Mar 201618 Mar 2016

Conference

ConferenceRecent Advances in Aerospace Actuation Systems and Components 2016
CountryFrance
CityToulouse
Period16/03/1618/03/16

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  • Cite this

    Persson, L., Plummer, A., Bowen, C., & Brooks, I. (2016). A lightweight, low leakage piezoelectric servovalve. In Proc Recent Advances in Aerospace Actuation Systems and Components 2016