Please use this identifier to cite or link to this item: doi:10.22028/D291-30862
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Title: Development and experimental characterization of a pneumatic valve actuated by a dielectric elastomer membrane
Author(s): Hill, Marc
Rizzello, Gianluca
Seelecke, Stefan
Language: English
Title: Smart materials and structures
Volume: 26
Issue: 8
Startpage: 1
Endpage: 11
Publisher/Platform: IOP Publishing
Year of Publication: 2017
Publikation type: Journal Article
Abstract: Due to their many features including lightweight and low energy consumption, dielectric elastomer (DE) membrane actuators are of interest for a number of industrial applications, such as pumping systems or valve control units. In particular, the use of DEs in valve control units offers advantages over traditional solenoid valves, including lower power requirements and relative simplicity in achieving proportional control. Additionally, DEs generate low thermal dissipation and are capable of virtually silent operation. The contribution of this work is the development of a new valve system based on a circular DE membrane pre-loaded with a linear spring. The valve is designed for pressurized air and operates by actuating a lever mechanism that opens and closes an outlet port. After presenting the operating principle and system design, several experiments are presented to compare actuator force, stroke, and dissipated energy for several pressure differentials and associated volume flows. It is observed that the DE-driven valve achieves a performance similar to a solenoid-based valve, while requiring a significantly lower amount of input energy. In addition, it is shown that DE-membrane valves can be controlled proportionally by simply adjusting the actuator voltage.
DOI of the first publication: 10.1088/1361-665X/aa746d
URL of the first publication:
Link to this record: hdl:20.500.11880/29092
ISSN: 1361-665X
Date of registration: 6-May-2020
Faculty: NT - Naturwissenschaftlich- Technische Fakultät
Department: NT - Systems Engineering
Professorship: NT - Prof. Dr. Stefan Seelecke
Collections:UniBib – Die Universitätsbibliographie

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