What question did this study set out to answer?

The aim is to develop a method for transmitting power and data simultaneously in inductive power transfer systems using a dual-resonant circuit.

A Method for Simultaneous Power and Data Transmission in IPT Systems Based on Dual‐Resonant Circuit Topology Design

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Randomized trial demonstrates effective data transmission in inductive power transfer systems, suggesting improved efficiency and reduced costs.

The aim is to develop a method for transmitting power and data simultaneously in inductive power transfer systems using a dual-resonant circuit.
Proposed a parallel branch on the secondary side using a capacitor and switch to resonate at an additional frequency.
Modulated data signal onto the power channel using harmonics.
Built a 60-W experimental prototype for validation.
Successfully transmitted data from secondary to primary with negligible impact on constant voltage output (original power transfer performance unchanged).
Reduced overall system cost and size compared to traditional methods.
Validated the feasibility of using a dual-resonant circuit design.

Zhang et al. (2026) studied this question.

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Randomized trial demonstrates effective data transmission in inductive power transfer systems, suggesting improved efficiency and reduced costs.