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Erschienen in:
2023 | OriginalPaper | Buchkapitel
Average Model-Based Sliding Mode Control Schemes of Bidirectional Boost DC-DC Converters
verfasst von : Hai-Nam Nguyen, Bảo-Huy Nguyê~n, Thanh Vo-Duy, Minh C. Ta, João Pedro F. Trovão
Erschienen in: ELECTRIMACS 2022
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Abstract
The nonlinearity of boost DC/DC converters is well-known in the field of power electronics control. Traditionally, the converter model can be linearized at an operating point which is the small-signal linearization. On the other hand, the converter can be regulated by using nonlinear controllers in which sliding mode control (SMC) method is commonly applied. The previous works of SMC were often based on the switching model of converter which suffer from non-uniform switching frequency and/or chattering. This paper proposes two novel average model-based SMC schemes for bidirectional boost DC/DC converters; one is a single-stage controller and the other one is a cascade control loop. The new controllers outperform the traditional ones in terms of response time and accuracy that is validated by critical simulation scenarios. The proposed approach can be extended to other complex power electronics converters.