Vanadium dioxide (VO2) undergoes a thermally induced solid-to-solid phase transition. A VO2-coated silicon cantilever demonstrates large change in its bending curvature across its phase transition. Due to phase transition and thermal expansion effects, the curvature – temperature hysteresis in VO2 actuators comes with a non-monotonic hysteretic behavior, introducing new challenges in its modeling. Motivated by the underlying physics, in this paper we present a novel model that combines a monotonic Preisach hysteresis operator with a linear operator. A constrained least square scheme is proposed to estimate the model parameters. For comparison purposes, we also consider a Preisach operator with a signed weighting function, and a hybrid model consisting of a monotonic Preisach operator for the curvature within the transition and linear operators outside the transition. Experimental results confirm the effectiveness of the proposed model.
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ASME 2012 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
September 19–21, 2012
Stone Mountain, Georgia, USA
Conference Sponsors:
- Aerospace Division
ISBN:
978-0-7918-4509-7
PROCEEDINGS PAPER
Modeling of Non-Monotonic Hysteresis Behavior in VO2-Coated Microactuators
Jun Zhang,
Jun Zhang
Michigan State University, East Lansing, MI
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Emmanuelle Merced,
Emmanuelle Merced
Michigan State University, East Lansing, MI
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Nelson Sepúlveda,
Nelson Sepúlveda
Michigan State University, East Lansing, MI
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Xiaobo Tan
Xiaobo Tan
Michigan State University, East Lansing, MI
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Jun Zhang
Michigan State University, East Lansing, MI
Emmanuelle Merced
Michigan State University, East Lansing, MI
Nelson Sepúlveda
Michigan State University, East Lansing, MI
Xiaobo Tan
Michigan State University, East Lansing, MI
Paper No:
SMASIS2012-7940, pp. 311-320; 10 pages
Published Online:
July 24, 2013
Citation
Zhang, J, Merced, E, Sepúlveda, N, & Tan, X. "Modeling of Non-Monotonic Hysteresis Behavior in VO2-Coated Microactuators." Proceedings of the ASME 2012 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Structural Health Monitoring. Stone Mountain, Georgia, USA. September 19–21, 2012. pp. 311-320. ASME. https://doi.org/10.1115/SMASIS2012-7940
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