Wireless charging method for urban air mobility and device and system therefor

1 . A wireless charging method in an urban air mobility, the method comprising:

acquiring location information of a supply device for supplying wireless power;

moving the urban air mobility to the supply device based on the location information;

performing pairing with a user equipment (UE) based on a distance from the urban air mobility to the supply device;

identifying a location of a wireless power transmitting pad of the supply device by analyzing an image filmed by a camera of the urban air mobility;

aligning a wireless power receiving pad of the urban air mobility and the wireless power transmitting pad of the supply device based on a control signal of the paired UE;

determining that an alignment is completed based on the identified location of the wireless power transmitting pad of the supply device matching a location of the wireless power receiving pad of the urban air mobility; and

charging a battery of the urban air mobility by receiving wireless power from the supply device based on completion of the alignment,

wherein the aligning includes a primary alignment performing an alignment between the wireless power receiving pad and the wireless power transmitting pad based on the control signal received from a smart key of the paired UE without transmitting information to the paired UE for the alignment,

the method further comprises:

stopping the urban air mobility after completing the primary alignment, establishing a wireless communication link between the urban air mobility and the supply device, and initiating low-power charging,

calculating wireless charging efficiency during the low-power charging;

after performing the low-power charging, performing a fine alignment between the wireless power receiving pad and the wireless power transmitting pad;

performing the fine alignment until the wireless charging efficiency exceeds a predetermined value; and

performing high-power charging after the fine alignment being completed.

2 . The method of claim 1 , wherein:

the smart key transmits the control signal through radio frequency (RF) communication, and

wherein the smart key includes at least one of a forward movement button, a backward movement button, a left movement button, a right movement button, and a stop button of the urban air mobility.

3 . The method of claim 1 , wherein:

the UE further includes a user device; and

wherein the method further comprises:

transmitting information related to the calculated wireless charging efficiency to the user device; and

performing the fine alignment between the wireless power receiving pad and the wireless power transmitting pad based on the control signal received from the smart key in response to the transmitted information.

4 . The method of claim 1 , wherein:

first power required for driving a charging device equipped in the urban air mobility is received from the supply device during the low-power charging; and

second power required for charging the battery of the urban air mobility is received from the supply device during the high-power charging,

wherein the second power is greater than the first power.

5 . The method of claim 1 , wherein:

the UE further includes a user device; and

the method further comprises:

analyzing a beam pattern based on the wireless power received from the supply device during the low-power charging;

transmitting information related to the analyzed beam pattern to the user device; and

performing the fine alignment between the wireless power receiving pad and the wireless power transmitting pad based on the control signal received from the smart key in response to the transmitted information.

6 . The method of claim 1 , wherein:

the location information of the supply device is received from the supply device or an urban air mobility control center for managing the supply device via wireless communication in response to a charging request of the urban air mobility, wherein the location information includes GPS coordinate information of the supply device.

7 . The method of claim 1 , further comprising:

aligning a transmitting/receiving pad of the urban air mobility and a transmitting/receiving pad of another urban air mobility; and

distributing power from the urban air mobility to the another urban air mobility via the transmitting/receiving pad of the urban air mobility and the transmitting/receiving pad of the another urban air mobility.

8 . A non-transitory computer readable storage medium for storing at least one computer program including an instruction that, when executed by at least one processor, causes the at least one processor to perform wireless charging operations in an urban air mobility in association with a supply device via wireless communication, wherein the operations comprising:

acquiring location information of the supply device for supplying wireless power;

moving the urban air mobility to the supply device based on the location information;

performing pairing with a user equipment (UE) based on a distance from the urban air mobility to the supply device;

identifying a location of a wireless power transmitting pad of the supply device by analyzing an image filmed by a camera of the urban air mobility;

aligning a wireless power receiving pad of the urban air mobility and the wireless power transmitting pad of the supply device based on a control signal of the paired UE;

determining that an alignment is completed based on the identified location of the wireless power transmitting pad of the supply device matching a location of the wireless power receiving pad of the urban air mobility; and

charging a battery of the urban air mobility by receiving wireless power from the supply device based on completion of the alignment,

wherein the aligning includes a primary alignment performing an alignment between the wireless power receiving pad of the urban air mobility and the wireless power transmitting pad of the supply device based on the control signal received from a smart key of the paired UE without transmitting information to the paired UE for the alignment,

the method further comprises:

stopping the urban air mobility after completing the primary alignment, establishing a wireless communication link between the urban air mobility and the supply device, and initiating low-power charging,

calculating wireless charging efficiency during the low-power charging;

after performing the low-power charging, performing a fine alignment between the wireless power receiving pad and the wireless power transmitting pad;

performing the fine alignment until the wireless charging efficiency exceeds a predetermined value; and

performing high-power charging after the fine alignment being completed.

9 . An urban air mobility equipped with a wireless charging function, the urban air mobility comprising:

a communication terminal for performing communication with an external device;

an electronic controller for controlling operation and movement of the urban air mobility;

a rechargeable battery;

a charging device for converting power received via a wireless power receiving pad to charge the battery; and

a vehicle controller for controlling the communication terminal and the charging device,

wherein the vehicle controller is configured to:

acquire location information of a supply device for supplying wireless power via the communication terminal;

control the electronic controller based on the location information to move the urban air mobility to the supply device;

perform pairing with a user equipment (UE) based on a distance from the urban air mobility to the supply device;

identify a location of a wireless power transmitting pad of the supply device by analyzing an image filmed by a camera of the urban air mobility;

perform an alignment of a wireless power receiving pad of the urban air mobility and a wireless power transmitting pad of the supply device based on a control signal of the paired UE;

determine that an alignment is completed based on the identified location of the wireless power transmitting pad of the supply device matching a location of the wireless power receiving pad of the urban air mobility; and

control the charging device to perform wireless charging, after completion of the alignment,

wherein the aligning includes a primary alignment performing an alignment between the wireless power receiving pad of the urban air mobility and the wireless power transmitting pad of the supply device based on the control signal received from a smart key of the paired UE without transmitting information to the paired UE for the alignment,

the vehicle controller is further configured to:

stop the urban air mobility after completing the primary alignment, establishing a wireless communication link between the urban air mobility and the supply device, and initiating low-power charging,

calculate wireless charging efficiency during the low-power charging;

after performing the low-power charging, perform a fine alignment between the wireless power receiving pad and the wireless power transmitting pad;

perform the fine alignment until the wireless charging efficiency exceeds a predetermined value; and

perform high-power charging after the fine alignment being completed.

10 . The urban air mobility of claim 9 , wherein:

the control signal is received through frequency communication, and

wherein the smart key includes at least one of a forward movement button, a backward movement button, a left movement button, a right movement button, and a stop button of the urban air mobility.

11 . The urban air mobility of claim 9 , wherein:

the UE further includes a user device,

wherein the vehicle controller is further configured to;

transmit information related to wireless charging efficiency calculated during the low-power charging to the user device; and

perform the fine alignment between the wireless power receiving pad and the wireless power transmitting pad based on the control signal received from the smart key in response to the transmitted information.

12 . The urban air mobility of claim 9 , wherein:

first power required for driving the charging device is received from the supply device during the low-power charging; and

second power required for charging the battery is received from the supply device during the high-power charging, and

wherein the second power is greater than the first power.

13 . The urban air mobility of claim 9 , wherein:

the user equipment (UE) further includes a user device; and

the vehicle controller is further configured to:

analyze a beam pattern based on wireless power received from the supply device during the low-power charging;

transmit information related to the analyzed beam pattern to the user device; and

perform the fine alignment between the wireless power receiving pad and the wireless power transmitting pad based on the control signal received from the smart key in response to the transmitted information.

14 . The urban air mobility of claim 9 , wherein:

the location information of the supply device is received from the supply device or an urban air mobility control center for managing the supply device via wireless communication in response to a charging request of the urban air mobility, wherein the location information includes GPS coordinate information of the supply device.