Composite Second-Order Sliding Mode and Backstepping Control for Power Pulsation Suppression in Dynamic Wireless Charging

This paper presents a novel composite control scheme aimed at ensuring stable and consistent output power in dynamic wireless charging (DWC) systems subject to mutual coupling variations caused by electric vehicle (EV) movement. The proposed control strategy combines backstepping control and second-...

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Bibliographic Details
Published inIEEE transactions on industry applications Vol. 60; no. 4; pp. 5803 - 5812
Main Authors Behnamfar, Milad, Olowu, Temitayo O., Tariq, Mohd, Debnath, Anjan, Sarwat, Arif
Format Journal Article
LanguageEnglish
Published New York IEEE 01.07.2024
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Backstepping control
Buck converters
Circuit stability
Coils
Control methods
Control stability
Control systems design
Controllers
coupling coefficient
dynamic wireless charging
electric vehicle
Electric vehicle charging
finite-time stability
Fluctuations
Mutual coupling
power pulsation
Receivers
Robust control
Sliding mode control
Stability analysis
Transmitters
Wireless power transmission
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Summary:This paper presents a novel composite control scheme aimed at ensuring stable and consistent output power in dynamic wireless charging (DWC) systems subject to mutual coupling variations caused by electric vehicle (EV) movement. The proposed control strategy combines backstepping control and second-order sliding mode control, offering both finite-time stability and large-signal stability. The finite-time stability property enhances control robustness and improves disturbance rejection capability, while the large-signal stability feature enables the controller to effectively handle significant disturbances. Furthermore, this paper presents a detailed design procedure for the proposed composite control method, along with stability analysis to demonstrate its finite-time stability property. Simulation and experimental results confirm the effectiveness of the proposed composite controller in stabilizing power at the reference value despite mutual coupling variation and load changes, minimizing fluctuations to just 0.1%. Additionally, the proposed controller consistently maintains an efficiency of 84% across varied positions as the vehicle moves over the transmitter coils.
Bibliography:ObjectType-Article-1
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ISSN:0093-9994
1939-9367
DOI:10.1109/TIA.2024.3398605