Abstract

In this study, a novel non-linear sliding-mode controller with a boundary layer solution and a redefined sliding manifold is proposed for a bidirectional converter utilised in plug-in electric vehicles. The proposed method employs a Lyapunov function to formulate the stability condition of the non-linear controller. The proposed switching regime and control strategy enforce a pseudo-resistive relation at the input terminals of the converter to ensure the unity power factor in power conversion. The input resistance of the converter is regulated and controlled to positive and negative values to facilitate both grid-to-vehicle and vehicle-to-grid features, respectively. Simulation and experimental results are provided to evaluate performance of the proposed modelling and feedback control scheme.

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