Design and analysis of wireless power transmission devices for multi-degree-of-freedom actuator applications

ABSTRACT The multi-degree-of-freedom actuator is commonly used in the field of bionics, and a wireless transmission device with visual image acquisition devices is the best choice for the power transmission. For the wireless power transmission system, to offset the problem of reduced power and efficiency at the receiving end, this paper designs a wireless charging device for this kind of multi-degree-of-freedom actuator application. The S 21 parameters, magnetic flux density, and efficiency of the wireless charging device under different rotation angles are calculated and simulated by finite element analysis. Finally, the accuracy of the simulation and the effectiveness of power transmission are verified by experiments.

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