Pressure control of a piezoactuator-driven valve system

MeangHyo S. Cho; Joong-Kyu K. Yoo; Seung-Bok Choi; Jaehwan Kim; ChaeCheon Cheong

doi:10.1117/12.436544

16 August 2001 Pressure control of a piezoactuator-driven valve system

MeangHyo S. Cho, Joong-Kyu K. Yoo, Seung-Bok Choi, Jaehwan Kim, ChaeCheon Cheong

Proceedings Volume 4327, Smart Structures and Materials 2001: Smart Structures and Integrated Systems; (2001) https://doi.org/10.1117/12.436544
Event: SPIE's 8th Annual International Symposium on Smart Structures and Materials, 2001, Newport Beach, CA, United States

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.

Citation Download Citation

MeangHyo S. Cho, Joong-Kyu K. Yoo, Seung-Bok Choi, Jaehwan Kim, and ChaeCheon Cheong "Pressure control of a piezoactuator-driven valve system", Proc. SPIE 4327, Smart Structures and Materials 2001: Smart Structures and Integrated Systems, (16 August 2001); https://doi.org/10.1117/12.436544

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