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A review of nonlinear piezoelectric energy harvesting interface circuits in discrete components

查看全文 作　　者：Bin [1]ZHANG;Hongsheng [1]LIU;Shengxi [2]ZHOU;Jun [1]GAO 高影响力作者 机构地区：[1]School of Mechanical,Electrical and Information Engineering,Shandong University,Weihai 264209,Shandong Province,China;[2]School of Aeronautics,Northwestern Polytechnical University,Xi'an 710072,China高影响力机构 出　　处：《Applied Mathematics and Mechanics(English Edition)》索引2022年第43卷第7期,共26页高影响力期刊 基　　金：the National Natural Science Foundation of China(Nos.51805298 and 12072267);the Natural Science Foundation of Shandong Province of China(No.ZR2019PEE015);the Fundamental Research Funds for the Central Universities of China(No.2019ZRJC006);the 111 Project of China(No.BP0719007);the Innovation Capability Support Plan of Shaanxi Province of China(No.2020KJXX-021);the Young Scholars Program of Shandong University,Weihai of China(No.20820201004)。 摘　　要：Piezoelectric energy harvesting is considered as an ideal power resource for low-power consumption gadgets in vibrational environments.The energy extraction efficiency depends highly on the interface circuit,and should be highly improved to meet the power requirements.The nonlinear interface circuits in discrete components have been extensively explored and developed with the advantages of easy implementation,stable operation,high efficiency,and low cost.This paper reviews the state-of-the-art progress of nonlinear piezoelectric energy harvesting interface circuits in discrete components.First,the working principles and the advantages/disadvantages of four classical interface circuits are described.Then,the improved circuits based on the four typical circuits and other types of circuits are introduced in detail,and the advantages/disadvantages,output power,efficiency,energy consumption,and practicability of these circuits are analyzed.Finally,the future development trends of nonlinear piezoelectric energy harvesting circuits,e.g.,self-powered extraction,low-power consumption,and broadband characteristic,are predicted. 关 键 词：PIEZOELECTRIC NONLINEAR energy harvesting discrete component interface circuit
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