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- Title
Design and practical implementation of non‐fragile controller for non‐isolated on‐board battery charger for electric vehicle.
- Authors
Kumar, Bonela Anil; Sarkar, Mrinal Kanti; Kumar, Kundan
- Abstract
Summary: This 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.
- Subjects
ELECTRIC vehicle charging stations; ELECTRIC vehicle batteries; CLOSED loop systems; AC DC transformers; LINEAR matrix inequalities; CASCADE control
- Publication
International Journal of Circuit Theory & Applications, 2024, Vol 52, Issue 7, p3439
- ISSN
0098-9886
- Publication type
Article
- DOI
10.1002/cta.3916