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JACIII Vol.20 No.7 pp. 1051-1059
doi: 10.20965/jaciii.2016.p1051
(2016)

Paper:

A Novel Micro-Pressure Power Generation System Based on Super Capacitor Energy Storage and PI Controller

Zhen-Tao Liu, Hui-Ting Wang, Dan-Yun Li, Hao Zhou, and Zi-Han Zhou

School of Automation, China University of Geosciences
Wuhan, Hubei 430074, China

Corresponding author

Received:
July 8, 2016
Accepted:
August 14, 2016
Published:
December 20, 2016
Keywords:
pressure power generation system, piezoelectric ceramic power generation device, super capacitor, energy storage
Abstract

A novel micro-pressure power generation system (PPG) is proposed. It mainly consists of two parts: a piezoelectric ceramic power generation device and a super capacitor energy storage module (SCESM). The SCESM is composed of a conditioning circuit and a control circuit. The control circuit has a proportional-integral (PI) controller to smooth the voltage output with pulse-width modulation. The PPG system can generate power and conserve energy as well as support renewable and low-power energy. The superiority of the PPG system is verified through simulation and actual experiments. The process of storing energy takes 572 seconds, and the maximum error of the voltage output is 5%. In future research, we will be studying conversion efficiency optimization for the proposed system, an embedded power supply for wearable devices.

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Last updated on Aug. 14, 2017