Hasan Mollaee
A novel adaptive cascade controller design on a buck–boost DC–DC converter with a fractional-order PID voltage controller and a self-tuning regulator adaptive current controller
Mollaee, Hasan; Ghamari, Seyyed Morteza; Saadat, Seyyed Amirhossein; Wheeler, Patrick
Authors
Seyyed Morteza Ghamari
Seyyed Amirhossein Saadat
Professor PATRICK WHEELER pat.wheeler@nottingham.ac.uk
Professor of Power Electronic Systems
Abstract
The design of a cascade controller is demonstrated for a buck–boost converter that is combined with two control loops consisting of inner and outer controllers. The outer loop is implemented by a fractional-order proportional-integrated-derivative (FO-PID) controller that works as a voltage controller and generates a reference current for the inner control loop. To provide faster dynamic performance for inner loop, a self-tuning regulator adaptive controller, which tries to regulates the current with the help of a novel improved exponential regressive least square identification in an online technique, is designed. Moreover, in the outer loop, to tune the gains of the FO-PID controller, a novel algorithm of antlion optimizer algorithm is used that offers many benefits in comparison with other algorithms. The system provided by the boost mode is a non-minimum phase system, which creates challenges for designing a stable controller. In addition, a single loop controller is proposed based on a PID controller tuned by a particle swarm optimization algorithm to be compared with the cascade controller. Cascade loop can present significant benefits to the controller such as better disturbance rejection. Finally, the strength of the presented cascade control scheme is verified in different performing situations by real-time experiments.
Citation
Mollaee, H., Ghamari, S. M., Saadat, S. A., & Wheeler, P. (2021). A novel adaptive cascade controller design on a buck–boost DC–DC converter with a fractional-order PID voltage controller and a self-tuning regulator adaptive current controller. IET Power Electronics, 14(11), 1920-1935. https://doi.org/10.1049/pel2.12159
Journal Article Type | Article |
---|---|
Acceptance Date | Jun 6, 2021 |
Online Publication Date | Jun 21, 2021 |
Publication Date | Aug 19, 2021 |
Deposit Date | Oct 4, 2021 |
Publicly Available Date | Oct 4, 2021 |
Journal | IET Power Electronics |
Electronic ISSN | 1755-4543 |
Publisher | Institution of Engineering and Technology (IET) |
Peer Reviewed | Peer Reviewed |
Volume | 14 |
Issue | 11 |
Pages | 1920-1935 |
DOI | https://doi.org/10.1049/pel2.12159 |
Keywords | Electrical and Electronic Engineering |
Public URL | https://nottingham-repository.worktribe.com/output/6390412 |
Publisher URL | https://ietresearch.onlinelibrary.wiley.com/doi/10.1049/pel2.12159 |
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A novel adaptive cascade controller design on a buck–boost DC–DC converter with a fractional-order PID voltage controller and a self-tuning regulator adaptive current controller
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Publisher Licence URL
https://creativecommons.org/licenses/by/4.0/
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