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Optimal control of bidirectional active clamp forward converter with synchronous rectifier based cell-to-external-storage active balancing system
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Shi, Kai, Bui, Truong Minh Ngoc and Marco, James (2021) Optimal control of bidirectional active clamp forward converter with synchronous rectifier based cell-to-external-storage active balancing system. Journal of Energy Storage, 41 . 102851. doi:10.1016/j.est.2021.102851 ISSN 2352-152X.
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WRAP-Optimal-control-bidirectional-active-clamp-converter-cell-storage-system-2021.pdf - Accepted Version - Requires a PDF viewer. Available under License Creative Commons Attribution Non-commercial No Derivatives 4.0. Download (2841Kb) | Preview |
Official URL: https://doi.org/10.1016/j.est.2021.102851
Abstract
Active cell balancing is a more energy-efficient way of balancing cells in series comparing to passive balancing. To further improve the performance of an active balancing system, an optimal control approach can be applied to optimise the system performance indexes. This paper proposes an optimal controller for the bidirectional active clamp forward converter with synchronous rectifier (ACFC-SR) based cell-to-external-storage active balancing system to concurrently optimise the balancing speed and the energy efficiency. The formulated optimization problem does not require the complicated nonlinear converter efficiency model compared to other optimal controllers that involve efficiency model to reduce energy loss. The flexibility in changing the balancing priority of the balancing time and the converter efficiency is achieved via different weights on the objective function. The effectiveness of the proposed controller is validated experimentally with real cells and the power electronics board.
Item Type: | Journal Article | ||||||||
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Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
Library of Congress Subject Headings (LCSH): | Lithium ion batteries, DC-to-DC converters, Control theory, Electric driving -- Automatic control, Electric current converters -- Automatic control, Predictive control | ||||||||
Journal or Publication Title: | Journal of Energy Storage | ||||||||
Publisher: | Elsevier | ||||||||
ISSN: | 2352-152X | ||||||||
Official Date: | September 2021 | ||||||||
Dates: |
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Volume: | 41 | ||||||||
Article Number: | 102851 | ||||||||
DOI: | 10.1016/j.est.2021.102851 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
Date of first compliant deposit: | 22 June 2021 | ||||||||
Date of first compliant Open Access: | 23 June 2022 | ||||||||
RIOXX Funder/Project Grant: |
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