Piezoelectric Actuation in a High Bandwidth Valve

David Branson, D Nigel Johnston, Derek Tilley, Christopher Bowen, Patrick Keogh

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

To expand the operational capabilities of hydraulically actuated systems the development of new valves capable of enhanced flow rates and bandwidth performance is required. In previous work, the solution to achieving desired flow rates was to increase valve spool size and travel, but this is at the expense of the dynamic response. To increase flow without restricting dynamic performance, this paper roposes the use of multiple metering edges achievable using the H¨orbiger plate valve principle, actuated by piezoelectric means. Experimental results from a piezoelectric actuated valve are then used to demonstrate improved performance in both static and dynamic operation.
Original languageEnglish
Pages (from-to)32-40
Number of pages9
JournalFerroelectrics
Volume408
Issue number1
DOIs
Publication statusPublished - Dec 2010

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actuation
Flow rate
bandwidth
Bandwidth
Reels
Dynamic response
flow velocity
spools
dynamic response
travel

Keywords

  • Horbiger
  • hydraulic valve design
  • bandwidth
  • actuation
  • Piezoelectric

Cite this

Piezoelectric Actuation in a High Bandwidth Valve. / Branson, David; Johnston, D Nigel; Tilley, Derek; Bowen, Christopher; Keogh, Patrick.

In: Ferroelectrics, Vol. 408, No. 1, 12.2010, p. 32-40.

Research output: Contribution to journalArticle

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