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A novel nonlinear modulation technique for stabilizing DC-DC switching converters

Lookup NU author(s): Professor Damian Giaouris


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© 2017 IEEE. In this paper a novel modulation technique is proposed to eliminate instabilities such as subharmonic and chaotic oscillations in dc-dc switching converters. This modulation technique injects a stabilizing signal which is generated internally from its own state variables so that the system is free from the problems due to externally injected signal, such as frequency mismatch, phase shift, etc. Stability analysis of the system is carried out using Floquet theory taking into account its switching nature. Our results show that the system has larger stable region in the parameter space compared to the conventional modulation techniques. Numerical simulations illustrate the performance of the proposed technique under line and load disturbances.

Publication metadata

Author(s): El Aroudi A, Mandal K, Abusorrah A, Al-Hindawi M, Al-Turki Y, Giaouris D, Banerjee S

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: IEEE International Symposium on Circuits and Systems (ISCAS)

Year of Conference: 2017

Online publication date: 28/09/2017

Acceptance date: 02/04/2016

Publisher: Institute of Electrical and Electronics Engineers Inc.


DOI: 10.1109/ISCAS.2017.8050587

Library holdings: Search Newcastle University Library for this item

ISBN: 9781467368520