Modeling and Simulation of Input Switched AC-DC SEPIC Converter with PFC Control for optimized Operation

Akter, Khadiza; Sarowar, Golam; Hoque, Md. Ashraful; Ahmed, Shamsuddin

doi:10.1109/ceeict.2018.8628168

Cited by 5 publications

References 11 publications

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Design and practical implementation of non‐fragile controller for non‐isolated on‐board battery charger for electric vehicle

Kumar,

Sarkar,

Kumar

2024

Circuit Theory & Apps

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SummaryThis paper proposes a non‐fragile control approach for a non‐isolated two‐switch buck‐boost converter used as an on‐board charger for electric vehicles. The control scheme is based on a cascaded two‐loop configuration with non‐fragile Proportional Integral controllers in the inner current and the outer voltage loop. The control approach is based on designing a control law that can stabilize the closed‐loop system subject to uncertainties in the controller parameters while satisfying the H∞ norm bound constraint on disturbance attenuation. The proposed control technique helps to deal with inevitable uncertainties during the implementation of any control scheme. The proposed control technique is compared with the conventional approach and validated through experimental results. The experimental results are obtained from a 1‐kW laboratory prototype of a TSBB converter with an output voltage range of 150–400 V. The results demonstrate that the proposed approach effectively achieves good robustness against controller parameter variations and disturbances under various operating conditions.

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