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Powering Quadrotors Wirelessly

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We have covered many cool drones here. None of them are powered wirelessly. Sam M’s idea looks brilliant though. It involves using wireless power to get a drone to fly. This particular quadrotor “consumes anywhere between 5-10W when it hovers with a shield on.” As the developer explains, this set up was not designed for high efficiency but it does show how such a system could work.

Wirelessly powered quadrotor

This quadrotor is powered completely via magnetic induction. Here is what the developer had to say:

The transmitter was implemented on a two layer PCB and was driven by a load independent Class EF inverter. The inverter operates at 13.56 MHz and uses a single GaN transistor from GaN Systems. The receiving coil consists a single turn of copper tape which was wound around the shield of the quadrotor. The receiver board consists of a Class D rectifier and a DC/DC converter.

More info is available here.

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