NDLI: Experimental research on nonlinear coupling between two sides of rectification in piezoelectric energy harvester

Content Provider	IEEE Xplore Digital Library
Author	Hong-ping Hu Hai-ren Wang Huan Xue Shu-nong Jiang Yuan-tai Hu
Copyright Year	2010
Description	Author affiliation: Department of Mechanics, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan, Hubei, 430074, China (Hong-ping Hu; Hai-ren Wang; Huan Xue; Yuan-tai Hu) \|\| Institute of mechanics and sensing technology, School of Civil Engineering and Architecture, Central South University, Changsha, Hunan 410083, China (Shu-nong Jiang)
Abstract	This paper proposes a piezoelectric energy harvester experiment model, which composed of piezoelectric harvesting element, energy storage element, and a full bridge to connect them as an integrated system. A synchronized switch harvesting inductor (SSHI) is introduced in parallel with the harvesting structure to reverse voltage through the charge transfer between the output electrodes at the transition moments from closed- to open- circuit, i.e. the time when the harvesting structure deforms to the extreme position. The harvesting structure is driven to vibrate by vibration exciter which is acted by a voltage signal with a certain frequency. The method of capturing zero velocity is used to catch the moment when the harvesting structure deforms to the extreme position. SSHI closes synchronously, and delay a half period of the oscillator, composed by the inductor and effective capacitor of piezoelectric harvesting structure, then opens. This process is controlled by the technique of single chip microcomputer. Experimental results show SSHI processes have been achieved. An optimal rectified voltage can maximize the output power density of the piezoelectric energy harvester.
Starting Page	424
Ending Page	427
File Size	412850
Page Count	4
File Format	PDF
ISBN	9781424498222
e-ISBN	9781424498215
DOI	10.1109/SPAWDA.2010.5744348
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-12-10
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Damping Lithography SSHI Synchronization Helium Piezoelectric energy harvester Inductors Nonlinear optics power measure Power generation
Content Type	Text
Resource Type	Article

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