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Lookup NU author(s): Dr Ruisheng Li, Dr Matthew Armstrong, Dr Shady Gadoue, Chen Wang
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Time varying parameters, such of passive components within the circuit and load elements, can significantly impact on the control and voltage regulation of power electronic systems, such as switch mode power converters (SMPC). Therefore, there is increasing interest in parametric system identification and adaptive control techniques to optimize system performance. Most literature focuses on the DC-DC buck converter. However, unlike the DC-DC buck converter, the boost converter has two left half-plane poles (LHP) and one right half-plane (RHP) zero in its mathematical model. The existence of a RHP zero in the s-domain transfer function causes a zero to be outside of the unit cycle in the discrete model. As a result, system identification of the boost converter is much more difficult in comparison to the buck converter. The paper sets out to illustrate the RHP zero problem in detail and propose a novel method to resolve this problem.
Author(s): Li R, Armstrong M, Gadoue S, Wang C
Editor(s): IET
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: 8th IET International Conference on Power Electronics, Machines and Drives (PEMD 2016)
Year of Conference: 2016
Pages: 6
Print publication date: 01/01/2016
Acceptance date: 01/01/2016
ISSN: 9781785611889
Publisher: Institution of Engineering and Technology
URL: http://dx.doi.org/10.1049/cp.2016.0172
DOI: 10.1049/cp.2016.0172
Library holdings: Search Newcastle University Library for this item
Sponsor(s): IET
ISBN: 9781785611889
