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Design of a Novel Piezoelectric Energy Harvester for Scavenging Energy from Human Walking
Wen, Shihao; Xu, Qingsong; IEEE
2018
Conference Name2018 IEEE/ASME INTERNATIONAL CONFERENCE ON ADVANCED INTELLIGENT MECHATRONICS (AIM)
Pages792-797
Publication Place345 E 47TH ST, NEW YORK, NY 10017 USA
PublisherIEEE
AbstractThis paper proposes the design of a novel piezoelectric energy harvester for scavenging mechanical energy excited by human footstep during walking. The device involves a four-stage force amplification using wedge mechanism, leverage mechanism, half-bridge mechanism, and bridge-type force amplifier. It is designed to magnify the input force exerted on a piezoelectric stack so as to enhance the power output. Analytical model of the energy harvester is established via the force analysis based on stiffness matrix method. The main architectural parameters of the device are optimized by adopting multi-objective genetic algorithm (MOGA), which is verified by performing finite element analysis (FEA) simulation study. Moreover, a prototype is fabricated for experimental investigation. Experimental results show that the harvester exhibits a larger force amplification ratio and higher power output than existing works.
URLView the original
Indexed ByCPCI
Language英语
WOS Research AreaComputer Science ; Engineering
WOS SubjectComputer Science, Artificial Intelligence ; Engineering, Electrical & Electronic
WOS IDWOS:000447254200133
The Source to ArticleWOS
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被引频次[WOS]:1   [WOS记录]     [WOS相关记录]
Document TypeConference paper
专题University of Macau
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Wen, Shihao,Xu, Qingsong,IEEE. Design of a Novel Piezoelectric Energy Harvester for Scavenging Energy from Human Walking[C]. 345 E 47TH ST, NEW YORK, NY 10017 USA:IEEE,2018:792-797.
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