WIRELESS CHARGING SYSTEM FOR UNMANNED AERIAL VEHICLE AND METHOD FOR OPERATING SAME
A driving method of an unmanned aerial vehicle according to an embodiment may include moving, by the unmanned aerial vehicle, based on GPS information, receiving a wireless signal including position information about a charging apparatus from the charging apparatus, determining whether the GPS information matches the position information included in the wireless signal and landing based on the GPS information and the wireless signal, transferring a reception packet including power information about the unmanned aerial vehicle to the charging apparatus, and receiving precise position information including position coordinates of the charging apparatus generated based on the reception packet.
1 . A driving method of an unmanned aerial vehicle receiving a wireless charging power from a charging apparatus, the driving method comprising:
moving, by the unmanned aerial vehicle, based on GPS information and receiving a wireless signal, including position information about the charging apparatus, from the charging apparatus;
determining whether the GPS information matches the position information included in the wireless signal and landing based on the GPS information and the wireless signal; and
transferring, to the charging apparatus, a reception packet including power information about the unmanned aerial vehicle and receiving precise position information including position coordinates of the charging apparatus generated based on the reception packet.
2 . The driving method of claim 1 , further comprising comparing the precise position information with landing position information about the unmanned aerial vehicle, and when the precise position information matches the landing position information, receiving the wireless charging power.
3 . The driving method of claim 1 , further comprising comparing the precise position information with landing position information about the unmanned aerial vehicle, and when the precise position information does not match the landing position information, re-landing, by the unmanned aerial vehicle, based on the precise position information.
4 . The driving method of claim 1 , further comprising, when the power information is greater than a threshold value, performing control to turn off a driver power, based on the reception packet including the power information.
5 . The driving method of claim 1 , wherein the unmanned aerial vehicle comprises:
a body part;
a wing part including connected to the body part, the wing part including a plurality of propellers; and
a leg part equipped with a wireless power reception apparatus receiving the wireless charging power from the charging apparatus.
6 . The driving method of claim 5 , wherein a size and a shape of a reception coil of the wireless power reception apparatus are the same as a size and a shape of a transfer coil of the charging apparatus.
7 . A driving method of a charging apparatus transferring a wireless charging power to an unmanned aerial vehicle, the driving method comprising:
transferring a wireless signal including AP information about the charging apparatus to the unmanned aerial vehicle;
sensing the unmanned aerial vehicle to transfer a digital signal and receiving a reception packet from the unmanned aerial vehicle; and
determining whether to align, based on reception power information of a wireless power reception apparatus included in the reception packet.
8 . The driving method of claim 7 , further comprising, when the reception packet is greater than a threshold value, charging the unmanned aerial vehicle with a wireless power.
9 . The driving method of claim 7 , further comprising, when the reception packet is equal to or less than a threshold value, generating precise position information including position coordinates of the charging apparatus, based on the reception packet and transferring the generated precise position information to the unmanned aerial vehicle.
10 . The driving method of claim 7 , further comprising selecting at least one wireless power transfer apparatus corresponding to a landing point of the unmanned aerial vehicle from among a plurality of wireless power transfer apparatuses.
11 . The driving method of claim 8 , further comprising, when the reception packet is equal to or less than a threshold value, generating precise position information including position coordinates of the charging apparatus, based on the reception packet or information sensed by a hall sensor of the charging apparatus and transferring the generated precise position information to the unmanned aerial vehicle.
12 . The driving method of claim 7 , wherein the charging apparatus comprises:
a wireless power transfer apparatus including a coil;
a controller generating precise position information including position coordinates of the charging apparatus, based on the reception packet; and
a wireless communicator transferring the precise position information to the unmanned aerial vehicle.
13 . The driving method of claim 12 , wherein when the unmanned aerial vehicle fails to align, the controller performs control to horizontally move a paired plurality of wireless power transfer apparatuses.
14 . A driving method of a charging apparatus transferring a wireless charging power to an unmanned aerial vehicle, the driving method comprising:
transferring a wireless signal including AP information about the charging apparatus to the unmanned aerial vehicle;
performing IR-UWB communication with the unmanned aerial vehicle to measure a position of the unmanned aerial vehicle;
transferring position measurement information and a digital signal to the unmanned aerial vehicle and receiving a reception packet from the unmanned aerial vehicle;
determining whether to align, based on reception power information of a wireless power reception apparatus included in the reception packet; and
sensing, by an electronic textile sensor of the charging apparatus, the unmanned aerial vehicle.
15 . The driving method of claim 14 , further comprising:
performing IR-UWB communication with the charging apparatus and landing based on the position measurement information received from the charging apparatus.
16 . The driving method of claim 14 , further comprising, when the reception packet is greater than a threshold value, charging the unmanned aerial vehicle with a wireless power.
17 . The driving method of claim 14 , further comprising, when the reception packet is equal to or less than a threshold value, generating precise position information including position coordinates of the charging apparatus, based on the reception packet and transferring the generated precise position information to the unmanned aerial vehicle.
18 . The driving method of claim 14 , further comprising, when the reception packet is equal to or less than a threshold value, generating precise position information including position coordinates of the charging apparatus, based on the reception packet or information sensed by a hall sensor of the charging apparatus and transferring the generated precise position information to the unmanned aerial vehicle.
19 . The driving method of claim 14 , wherein the charging apparatus measures a distance to the unmanned aerial vehicle through IR-UWB communication.
20 . The driving method of claim 14 , further comprising, when the power information is greater than a threshold value, performing control to turn off a driver power, based on the reception packet including the power information.