This work presents a dynamic model of a smart fin, which is activated by a piezoelectric bimorph actuator that is made by bonding two Macro Fiber Composites (MFCs). The actuator is completely enclosed within the fin. Earlier research has indicated that the use of a linear model for the fin dynamics does not fully describe the fin. This work presents a more realistic approach to the problem by incorporating additional components into the model. Therefore, a proportional damping matrix is introduced. It was also observed that experimental results exhibit hysteresis and backlash. A Bouc-Wen hysteresis model is combined with two backlash operators to model the observed saturation and the non-symmetry of the response. Hybrid Fuzzy Simplex Genetic Algorithm (HFSGA) is used to identify the optimal set of parameters for the damping matrix constants, the Bouc-Wen model, and the backlash operators. The results show that proposed method can predict the hysteresis of the smart fin–actuator system under various operational conditions.
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ASME 2010 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
September 28–October 1, 2010
Philadelphia, Pennsylvania, USA
Conference Sponsors:
- Aerospace Division
ISBN:
978-0-7918-4415-1
PROCEEDINGS PAPER
Modeling of Hysteresis and Backlash Within a Smart Fin With a Piezoelectric Actuator Available to Purchase
Mohamed B. Trabia,
Mohamed B. Trabia
University of Nevada, Las Vegas, Las Vegas, NV
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Woosoon Yim,
Woosoon Yim
University of Nevada, Las Vegas, Las Vegas, NV
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Mohammad Saadeh
Mohammad Saadeh
University of Nevada, Las Vegas, Las Vegas, NV
Search for other works by this author on:
Mohamed B. Trabia
University of Nevada, Las Vegas, Las Vegas, NV
Woosoon Yim
University of Nevada, Las Vegas, Las Vegas, NV
Mohammad Saadeh
University of Nevada, Las Vegas, Las Vegas, NV
Paper No:
SMASIS2010-3746, pp. 543-553; 11 pages
Published Online:
April 4, 2011
Citation
Trabia, MB, Yim, W, & Saadeh, M. "Modeling of Hysteresis and Backlash Within a Smart Fin With a Piezoelectric Actuator." Proceedings of the ASME 2010 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. ASME 2010 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 1. Philadelphia, Pennsylvania, USA. September 28–October 1, 2010. pp. 543-553. ASME. https://doi.org/10.1115/SMASIS2010-3746
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