Drones are getting popular. Their utlity is quite high. Areas of application are numerous. They are good for the peace times as well as for the war times. Drones are a serious business. They find space in the defence, supply chain, farming, entertainment business and many more. But, they had an intrinsic problem that kind of threw the spanner in the works. They could not stay in the air for an extended period of time (long range) due to the need to recharge the device frequently. The average life of the battery being 22 – 27 minutes.
The drone companies have now found a way to keep the drones airborne for much longer than was possible earlier. They do this by deploying a wireless charging architecture.
To enable wireless charging capability, the drones are fitted with a power receiver that is extremely light-weight along with an antenna (also light-weight) without disturbing the flying capability and equilibrium of the device. Likewise, the charging station is also embeded with a power transmitter coil. The addition of these electronic circutory allows for the charging to happen as the drone flies. In a way, wireless hotspots are created along the drones flight path. In about 6 minutes, the drone can be fully charged. Multiple drones can be charged concurrently and without any human intervention (as long as the drones are within the hotspot range).
Global Energy Transmisison Corporation, PowerLight Technologies, WiBotic are amongst the players in the business that are innovating in the wireless charging space for drones/UAVs.
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