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Demonstrates improved efficiency in bidirectional inductive power transfer systems, suggesting better power regulation.
In bidirectional inductive power transfer (BIPT) systems, coil misalignment and power regulation are unavoidable problems that compromise ideal operational conditions, degrading overall system efficiency. Therefore, this paper proposes a multi‐degree‐of‐freedom (MDOF) cooperative control strategy for series–series (S‐S) compensated BIPT systems. Through determination of optimal multivariate combinations, high‐efficiency operation is maintained under dynamic power regulation and coil misalignment conditions. Firstly, the structure and principle of BIPT system are analyzed. Secondly, a mathematical model is established to determine the optimal operation condition. Thirdly, the MDOF constraints are derived, and the fundamental theory of the proposed control strategy is elaborated. Finally, an 800 W BIPT prototype is developed to validate the effectiveness of the proposed control strategy. Experimental results demonstrate that, compared with the traditional control methods, the proposed control strategy has a higher DC‐DC efficiency within the power range of 200 to 800 W and an horizontal offset of 0 to 16 cm.
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Xia et al. (2026) studied this question.
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