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22 March 2021 State space mathematical modeling for mechanoelectrical transduction of Polyvinyl Chloride (PVC) based sensors
Justin Neubauer, Kwang Jin Kim
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Proceedings Volume 11587, Electroactive Polymer Actuators and Devices (EAPAD) XXIII; 115870L (2021) https://doi.org/10.1117/12.2584504
Event: SPIE Smart Structures + Nondestructive Evaluation, 2021, Online Only
Abstract
Polyvinyl chloride (PVC) gels have been studied in some detail and exhibit mechanoelectrical transduction properties, making these materials suitable for sensing applications. This study aims to investigate these mechanoelectrical properties through mathematical modeling. A nonlinear gray-box hybrid state space approach can accurately model the mechanoelectrical transduction properties of the PVC gel sensor in both transient and steady state responses. This approach studies multiple nonlinearities in both transient and steady state mechanoelectrical responses such as overshoot variation and signal attenuation. Mechanoelectrical polarity inversion for tensile/compressive loading schemes exhibited in experimental testing is also investigated in the nonlinear model. A simplified linearized model also shows accurate results for the linear region of mechanoelectrical responses in the PVC gel sensors. Further mathematical modeling aims to describe some underlying physics and governing equations of the mechanoelectrical properties of PVC gel sensors.
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Justin Neubauer and Kwang Jin Kim "State space mathematical modeling for mechanoelectrical transduction of Polyvinyl Chloride (PVC) based sensors", Proc. SPIE 11587, Electroactive Polymer Actuators and Devices (EAPAD) XXIII, 115870L (22 March 2021); https://doi.org/10.1117/12.2584504
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KEYWORDS
Mathematical modeling
Sensors
Space sensors
Physics
Signal attenuation
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