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Volume 12
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10.3390/en12163166
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Article

Study of a Low-Power-Consumption Piezoelectric Energy Harvesting Circuit Based on Synchronized Switching Technology

by
Jianfeng Hong
1,2,
Fu Chen
1,
Ming He
1,
Sheng Wang
1,
Wenxiang Chen
1 and
Mingjie Guan
1,*
1
Department of Instrumental and Electrical Engineering, Xiamen University, Xiamen 361005, China
2
Fujian Collaborative Innovation Center for R&D of Coach and Special Vehicle, Xiamen 361024, China
*
Author to whom correspondence should be addressed.
Energies 2019, 12(16), 3166; https://doi.org/10.3390/en12163166
Submission received: 20 June 2019 / Revised: 2 August 2019 / Accepted: 15 August 2019 / Published: 17 August 2019
(This article belongs to the Section L: Energy Sources)
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Abstract

This paper presents a study of a piezoelectric energy harvesting circuit based on low-power-consumption synchronized switch technology. The proposed circuit includes a parallel synchronized switch harvesting on inductor interface circuit (P-SSHI) and a step-down DC-DC converter. The synchronized switch technology is applied to increase the conversion efficiency of the circuit. The DC-DC converter is used to accomplish the impedance matching for different loads. A low-power-consumption microcontroller and discrete components are used to build the P-SSHI interface circuit. The study starts with theoretical analysis and simulations of the P-SSHI interface circuit. Simulations and experiments were conducted to validate the theoretical analysis. The experimental results show that the maximum energy harvested by the system with a P-SSHI interface circuit is 231 μW, which is 2.89 times that of a system without the P-SSHI scheme. The power consumption of the P-SSHI interface circuit can be as low as 10.6 μW.
Keywords: piezoelectric; energy harvesting; interface circuit; power consumption; synchronized switching piezoelectric; energy harvesting; interface circuit; power consumption; synchronized switching

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MDPI and ACS Style

Hong, J.; Chen, F.; He, M.; Wang, S.; Chen, W.; Guan, M. Study of a Low-Power-Consumption Piezoelectric Energy Harvesting Circuit Based on Synchronized Switching Technology. Energies 2019, 12, 3166. https://doi.org/10.3390/en12163166

AMA Style

Hong J, Chen F, He M, Wang S, Chen W, Guan M. Study of a Low-Power-Consumption Piezoelectric Energy Harvesting Circuit Based on Synchronized Switching Technology. Energies. 2019; 12(16):3166. https://doi.org/10.3390/en12163166

Chicago/Turabian Style

Hong, Jianfeng, Fu Chen, Ming He, Sheng Wang, Wenxiang Chen, and Mingjie Guan. 2019. "Study of a Low-Power-Consumption Piezoelectric Energy Harvesting Circuit Based on Synchronized Switching Technology" Energies 12, no. 16: 3166. https://doi.org/10.3390/en12163166

APA Style

Hong, J., Chen, F., He, M., Wang, S., Chen, W., & Guan, M. (2019). Study of a Low-Power-Consumption Piezoelectric Energy Harvesting Circuit Based on Synchronized Switching Technology. Energies, 12(16), 3166. https://doi.org/10.3390/en12163166

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