Impedance Analysis of Piezoelectric Energy Harvesting System Using Synchronized Charge Extraction Interface Circuit
2017
会议录名称ACTIVE AND PASSIVE SMART STRUCTURES AND INTEGRATED SYSTEMS 2017
卷号10164
发表状态已发表
DOI10.1117/12.2261095
摘要The synchronous charge extraction (SCE) interface circuit is unique among the existing piezoelectric energy harvesting (PEH) power conditioning circuits, for its output power is independent of the load. The previous studies about SCE have assumed lossless rectifier and ideal energy transfer through the inductor; the detailed energy flow picture in SCE was absent. This paper provides an impedance based analysis for the PEH system using SCE interface circuit. Through qualitative analysis on the energy cycle, the electrically induced dynamics of SCE is broken down into three components: the accompanied capacitance, dissipative resistance, and harvesting resistance, which correspond to an additional stiffness, a dissipative damper, and a regenerative damper, respectively, to the mechanical structure. Quantitative analysis on the harvested power is also carried out. Experiments on practical PEH system show good agreement with the theoretical results. The new insight provided in this study help better understand the dynamics and better evaluate the harvesting capability of the SCE circuit among those options of power conditioning towards practical PEH implementations.
关键词Piezoelectric energy harvesting impedance analysis synchronized charge extraction
出版地1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
会议地点Portland, OR, United states
收录类别CPCI ; EI
语种英语
资助项目ShanghaiTeach University[F-0203-13-003]
WOS研究方向Optics
WOS类目Optics
WOS记录号WOS:000417372100071
出版者SPIE-INT SOC OPTICAL ENGINEERING
EI入藏号20172903957976
EI主题词Electric impedance ; Energy harvesting ; Energy transfer ; Extraction ; Integrated control ; Piezoelectricity ; Stiffness ; Timing circuits
EI分类号Energy Conversion Issues:525.5 ; Electricity: Basic Concepts and Phenomena:701.1 ; Electric Network Analysis:703.1.1 ; Pulse Circuits:713.4 ; Control Systems:731.1 ; Chemical Operations:802.3 ; Materials Science:951
WOS关键词GENERATORS
原始文献类型Proceedings Paper
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文献类型会议论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/2858
专题信息科学与技术学院
信息科学与技术学院_PI研究组_梁俊睿组
信息科学与技术学院_硕士生
通讯作者Liang, Junrui
作者单位
ShanghaiTech Univ, Sch Informat Sci & Technol, 393 Middle Huaxia Rd, Shanghai 201210, Peoples R China
第一作者单位信息科学与技术学院
通讯作者单位信息科学与技术学院
第一作者的第一单位信息科学与技术学院
推荐引用方式
GB/T 7714
Chen, Chen,Zhao, Kang,Liang, Junrui. Impedance Analysis of Piezoelectric Energy Harvesting System Using Synchronized Charge Extraction Interface Circuit[C]. 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA:SPIE-INT SOC OPTICAL ENGINEERING,2017.
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