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Publications
Publications (14)
This study proposes a systematic approach to model and control a triple‐active‐bridge (TAB) converter for electric vehicle on‐board charger applications. An innovative generalised‐harmonic‐approximation (GHA) modelling method is proposed to accurately predict the instantaneous current and voltage waveforms. Based on the GHA modelling, a control str...
In this paper, a comprehensive sliding mode control (SMC) loop design for a CLLC resonant converter is proposed. The major objectives of the proposed SMC are to improve the converter dynamics and to ensure a tight output voltage regulation with respect to any parameter variations and external disturbances. The sliding mode coefficients are selected...
In this paper, a comprehensive sliding mode control (SMC) loop design for single-phase interleaved totem pole (ILTP) power factor correction (PFC) converters for electric vehicle (EV) onboard charger applications is proposed. The major objectives of the proposed SMC are to improve the converter dynamics, ensure a tight output voltage regulation und...
Response to Discussion of "A Comparative Study Between PI and Type-II Compensators for H-Bridge PFC Converter"
This paper proposes a systematic approach to model and optimize an integrated transformer for on-board chargers in electric vehicles. The proposed approach includes a comprehensive transformer loss model with accurate electromagnetic description of leakage inductance and optimization process. The multi-objective optimization using genetic algorithm...
This paper presents a comparative study between PI and type-II compensation techniques, aiming at achieving high power quality as well as high bandwidth to enhance the dynamic performance of a H-bridge power factor correction (PFC) converter. The conventional PI compensator has a limitation in terms of the trade-off between the input current refere...
This paper presents an innovative technique for synchronous rectification in the bidirectional CLLC converter with the integrated transformer for plug-in electric vehicle (EV) applications. To improve the efficiency and power density, the integrated transformer is introduced and simulated using Finite Element Analysis (FEA) method. In addition, syn...
This paper presents an innovative technique of synthesizing variable DC-link voltage control loop for a two-stage integrated AC-DC converter, which is a cascaded combination of a single-phase CCM interleaved totem-pole power factor correction (PFC) and a half-bridge CLLC resonant converter. Although the variable DC-link control exhibits a better ov...
This paper proposes a unique integrated and isolated dual-output dc-dc resonant converter, which can interface both HV traction batteries and LV loads. In addition, the proposed topology is bidirectional, capable of delivering power from HV traction batteries to the grid for vehicle-to-grid (V2G) applications. To increase the power density of the c...
This paper presents a method for efficiency estimation of boost derived continuous conduction mode power factor correction (CCM-PFC) converters for electric vehicle (EV) onboard chargers (OBC). The proposed methodology incorporates converter non-idealities, especially caused by magnetic components. The value of the magnetizing inductance in an indu...