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dc.contributor.authorPerumal, P.-
dc.contributor.authorRonanki, D.-
dc.contributor.authorKiran, B.-
dc.date.accessioned2020-03-31T06:51:11Z-
dc.date.available2020-03-31T06:51:11Z-
dc.date.issued2018-
dc.identifier.citationJournal of Low Power Electronics, 2018, Vol.14, 1, pp.67-77en_US
dc.identifier.uri10.1166/jolpe.2018.1531-
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/9595-
dc.description.abstractThe hysteresis modulation (HM) based sliding mode control (SMC) implementation results in variable frequency, where the converter's operating frequency cannot be measured accurately. This will have a negative impact on circuit component and filter design. Furthermore, it is sensitive to the disturbances and the parameter uncertainties. To maintain constant switching frequency during line and load regulation, a duty-ratio (DR) based sliding-mode (SM) control approach is proposed in this paper and applied to a DC-DC buck converter. The translation of the SM control law for HM and DR scheme implementation by using field programmable gate array (FPGA) for DC-DC buck converter is illustrated. A simple and self-explanatory design and implementation procedure are also addressed. The performance and robustness of the proposed DR-based SM controllers are validated by both simulation results using MATLAB/Simulink and experimental results. The robustness of the SM controller is tested at various operating conditions and compared the results with HM-based SM and conventional linear controller. 2018 American Scientific Publishers All rights reserved.en_US
dc.titleA fixed frequency duty-ratio based digital sliding-mode controller for DC-DC buck converteren_US
dc.typeArticleen_US
Appears in Collections:1. Journal Articles

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