Forrester, J., Foster, M. orcid.org/0000-0002-8565-0541 and Davidson, J. (2022) Resonant current estimation and phase-locked loop control system for inductorless step-up single piezo element-based (SUPRC) DC-DC converter. In: 48th Annual Conference of the Industrial Electronics Society IECON 2022 Conference. 48th Annual Conference of the Industrial Electronics Society IECON 2022 Conference, 17-20 Oct 2022, Brussels, Belgium. Institute of Electrical and Electronics Engineers , pp. 1-6. ISBN 978-1-6654-8025-3
Abstract
An FPGA-based control system for the step-up piezo resonator-based DC-DC converter is presented. An all-digital phase-locked loop (ADPLL) is used to self-start the converter and locks on to the resonant current, which is extracted using a current estimator. The PLL and several analogue comparator outputs are used to generate the gate signals for both MOSFETS. A new method is presented for determining the optimal high side switch duty cycle, which ensures zero-voltage switching on both MOSFETS. A practical converter is constructed, and experimental results presented, showing the effectiveness of the converter across a range of operating conditions.
Metadata
Item Type: | Proceedings Paper |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2022 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works. Reproduced in accordance with the publisher's self-archiving policy. |
Keywords: | Piezoelectric Devices; Resonant Converter; Control; FPGA; DC-DC converter |
Dates: |
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Institution: | The University of Sheffield |
Academic Units: | The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Electronic and Electrical Engineering (Sheffield) |
Funding Information: | Funder Grant number Engineering and Physical Sciences Research Council EP/S031421/1 |
Depositing User: | Symplectic Sheffield |
Date Deposited: | 04 Nov 2022 11:19 |
Last Modified: | 09 Dec 2023 01:13 |
Status: | Published |
Publisher: | Institute of Electrical and Electronics Engineers |
Refereed: | Yes |
Identification Number: | 10.1109/IECON49645.2022.9969043 |
Related URLs: | |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:192706 |