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Development of Power Driver for PVDF Film Actuator Applied to Dehydration of Dredged Sediment  

Kim, Dae-Sun (Dept. of Electronic Engineering Myongji University)
Kim, Min-Kyu (Dept. of Electronic Engineering Myongji University)
Kim, Young-Uk (Dept. of Civil and Environmental Engineering Myongji University)
Kim, Jung-Kuk (Dept. of Electronic Engineering Myongji University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SC / v.49, no.2, 2012 , pp. 26-37 More about this Journal
Abstract
In this study, a power driver for actuating PVDF film that has the characteristic of dramatic impedance change caused by size and operating frequency variation was developed to dehyance rate of dredged sediment. In order to supply maximum energy to the PVDF film, a full-bridge circuit implemented using IGBT with a R-L-PVDF film impedance matching circuit was designed and constructed. the dehydration capabilities of the PVDF film actuated by the developed driver cleary was tested for dredged sediment. It was found that the PVDF film actuated by the developed driver cleary enhanced dehydration, avout three times faster during the first 3 minutes, compared to natural dehydration. The result of the experiment confirmed that the developed power driver for actuating Pvdf film could be used effectively for dehydration of dredged sediment.
Keywords
PVDF Film; Piezoelectric; dredged sediment; Amplifier; Actuator;
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