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Dual feedback adaptive control for voltage regulation of cascade DC-DC converter systems

Lookup NU author(s): Chen Wang, Dr Matthew ArmstrongORCiD, Dr Shady Gadoue

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Abstract

This paper considers the impact of load variation on the front-end converter of cascade Point of Load (PoL) power electronic systems. With the assistance of real-time system identification, the parameters of Point of Load converter are obtained. A new dual feedback adaptive control strategy is then proposed, whereby the duty cycle of the front-end converter is carefully regulated to achieve the required output voltage regulation. Compared to conventional PI control methods, the proposed adaptive technique offers significantly improved dynamic behaviour and robust voltage regulation. The proposed controller has particular advantages in parallel lane PoL systems.

Publication metadata

Author(s): Wang C, Armstrong M, Gadoue S

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 8th IET International Conference on Power Electronics, Machines and Drives

Year of Conference: 2016

Pages: 6

Print publication date: 01/01/2016

Acceptance date: 01/01/2016

Publisher: Institution of Engineering and Technology

URL: http://dx.doi.org/10.1049/cp.2016.0173

DOI: 10.1049/cp.2016.0173

Library holdings: Search Newcastle University Library for this item

Sponsor(s): IET

ISBN: 9781785611889

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