A Self-Powered Dual-Stage Boost Converter Circuit for Piezoelectric Energy Harvesting Systems

Abdul Haseeb (), Mahesh Edla, Ahmed Mostafa Thabet, Mikio Deguchi and Muhammad Kamran
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Abdul Haseeb: Faculty of Science and Engineering, Southern Cross University, East Lismore, Lismore, NSW 2480, Australia
Mahesh Edla: Department of Research and Development, Electronics Engineer, MYRA Corporate, Wolongbar Industrial Area, Alstonville, NSW 2477, Australia
Ahmed Mostafa Thabet: Faculty of Science and Engineering, Southern Cross University, East Lismore, Lismore, NSW 2480, Australia
Mikio Deguchi: Department of Electronics and Control Engineering, National Institute of Technology, Niihama College, Niihama 790-8570, Japan
Muhammad Kamran: Faculty of Science and Engineering, Southern Cross University, East Lismore, Lismore, NSW 2480, Australia

Energies, 2023, vol. 16, issue 5, 1-15

Abstract: Miniaturised piezoelectric devices are emerging energy harvesting sources that are appropriate for various implantable and wearable applications. However, these piezoelectric devices exhibit considerable internal resistance due to their internal impedance, which leads to self-start and low-energy conversion failures. This paper describes a dual-stage boost converter circuit by facilitating self-powering features and boosting the low voltage harvested by the piezoelectric devices into dc. The proposed circuit comprises conversion stages of ac-dc and dc-dc in Stages I and II, respectively. In addition, the proposed circuit does not require employing the auxiliary circuits to generate the train pulses by triggering the bidirectional switches to envelop the current being stored in Stage II and kick-start the self-powered circuit for piezoelectric energy harvesting systems. Theoretical assumptions and control strategies were tested and verified with ideal and impedance input sources. The proposed circuit could convert a low voltage of 3 V ac into 19 V dc . The maximum attained output power by the proposed circuit was 3.61 mW. The outcome depicted that the proposed circuit boosted the low voltage and outperformed the existing literature circuits in terms of output voltage and power.

Keywords: piezoelectric energy harvesting; voltage doubler; boost converter; self-powered voltage boost converter; ripple reduction; rectifier (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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