압전형 에너지 수확장치를 위한 통합 해석환경의 적용 및 검증
분야
공학 > 전기공학
저자
( Jian Liu ) , ( Chris Welham ) , 한승오 ( Seung Oh Han )
발행기관
한국센서학회
간행물정보
센서학회지 2013년, 제22권 제5호, 364~368페이지(총5페이지)
파일형식
26401645.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    Vibrational energy harvester based on piezoelectricity has been expected to be the dominant energy harvesting technology due to the advantages of high conversion efficiency, light weight and small size, night operation, etc. Its commercialization is just around the corner but the integration with power management electronics should be solved in advance. In this paper, therefore, fully-integrated design environment for piezoelectric energy harvesting systems is presented to assist co-design with the power management electronics. The proposed design environment is capable of analyzing the energy harvester including the package-induced damping effects and simulating the device and its power management electronics simultaneously. When the developed design environment was applied to the fabricated device, the simulated resonant frequency matched well with the experimental result with a difference of 2.97% only. Also, the complex transient response was completed in short simulation time of 3,001 seconds including the displacement distribution over the device geometry. Furthermore, a full-bridge power management circuit was modeled and simulated with the energy harvester simultaneously. Therefore the proposed, fully-integrated design environment is accurate and fast enough for the contribution on successful commercialization of piezoelectric energy harvester.
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