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Appl. Sci. 2016, 6(11), 325; doi:10.3390/app6110325

Development of a Nonlinear Piezoelectric Energy Harvester for Alternating Air Load

School of Mechatronic Engineering, Changchun University of Technology, Changchun 130012, China
State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150001, China
School of Mechatronic Engineering, Harbin Institute of Technology, Harbin 150001, China
Department of Mechanical Engineering, Saitama Institute of Technology, Saitama 369-0293, Japan
Authors to whom correspondence should be addressed.
Academic Editor: César M. A. Vasques
Received: 16 September 2016 / Revised: 23 October 2016 / Accepted: 26 October 2016 / Published: 1 November 2016
(This article belongs to the Section Energy)
View Full-Text   |   Download PDF [8013 KB, uploaded 1 November 2016]   |  


The demand for energy-harvesting technology is steadily growing in the field of self-powered wireless sensor systems for use in pneumatic systems. The purpose of this research was to study an energy harvester excited by alternating air load in a pneumatic system. The harvester was designed to consist of a power chamber and a compressed chamber, and to the bottom of the power chamber a piezoelectric patch as been affixed. The harvester is excited by the changing pressure, which can be adjusted through changing volume, and the alternating air pressure energy can be harvested through the deformation of the piezoelectric patch. A test system was built and a prototype device was tested under various experimental conditions. The test results show that the energy generation performance of the harvester can be influenced by varying the volume compression parameters, with the output voltage increasing when the flow increases. The maximal output voltage and power are 24.7 V and 1.06 mW, respectively. An effective power of 0.28 mW was measured across the 200 kΩ resistor at a pressure of 200 kPa and a cycle time of 2.5 s with a flow of 150 L/min. View Full-Text
Keywords: piezoelectric energy harvesting; volume compression; alternating air load piezoelectric energy harvesting; volume compression; alternating air load

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Wang, Y.; Fu, X.; Cheng, T.; Lu, X.; Gao, H.; Bao, G.; Zhao, X. Development of a Nonlinear Piezoelectric Energy Harvester for Alternating Air Load. Appl. Sci. 2016, 6, 325.

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