Optimum resistance analysis and experimental verification of nonlinear piezoelectric energy harvesting from human motions

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• 作者：Wei Wang^a ; Junyi Cao^a ; ^{caojy@mail.xjtu.edu.cn} ; Chris R. Bowen^b ; Shengxi Zhou^a ; Jing Lin^a
• 关键词：Energy harvesting ; Piezoelectric ; Nonlinear ; Human motion ; Optimum load resistance
• 刊名：Energy
• 出版年：2017
• 出版时间：1 January 2017
• 年：2017
• 卷：118
• 期：Complete
• 页码：221-230
• 全文大小：2720 K
• 卷排序：118

文摘

Optimum resistance of nonlinear energy harvesting from human motion is proposed. Optimum resistance calculation of linear harvesters is not suitable for nonlinear ones. Dominant frequency in power spectrum can be used to obtain optimum resistance. Frequency domain and circuit method have same result for resistance calculation.