Primary side control based inductively coupled powering scheme for biomedical implants

This paper proposes a novel and easy technique to implement primary control for inductively coupled power transfer systems. With the proposed design, the control law boils down simply to a multiplication of voltages across two capacitors in the primary side. The advantages include easy implementation and the topology is favourable for biomedical application, as any chance of heating due to presence of power flow controller in secondary side is eliminated. The effectiveness of the proposed power pickup and its applicability to general wireless power transfer applications has been demonstrated by both simulation and experimental results.