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Proceedings Paper

Pressure control of a piezoactuator-driven valve system
Author(s): MeangHyo S. Cho; Joong-Kyu K. Yoo; Seung-Bok Choi; Jaehwan Kim; ChaeCheon Cheong
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Paper Abstract

This paper proposes a new type of piezoactuator-driven valve system. The piezoceramic actuator bonded to both sides of a flexible beam surface makes a movement required to control the pressure at the flapper-nozzle of a pneumatic system. After establishing a dynamic model, an appropriate size of the valve system is designed and manufactured. A sliding mode controller is then formulated in order to achieve accurate tracking control of desired pressure trajectories. The controller is experimentally realized and control performances for various pressure trajectories are evaluated in the presence of the parameter variations.

Paper Details

Date Published: 16 August 2001
PDF: 7 pages
Proc. SPIE 4327, Smart Structures and Materials 2001: Smart Structures and Integrated Systems, (16 August 2001); doi: 10.1117/12.436544
Show Author Affiliations
MeangHyo S. Cho, Inha Univ. (South Korea)
Joong-Kyu K. Yoo, Inha Univ. (South Korea)
Seung-Bok Choi, Inha Univ. (South Korea)
Jaehwan Kim, Inha Univ. (South Korea)
ChaeCheon Cheong, Inha Univ. (South Korea)

Published in SPIE Proceedings Vol. 4327:
Smart Structures and Materials 2001: Smart Structures and Integrated Systems
L. Porter Davis, Editor(s)

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