Method and system for recycling motor power of a movable object
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B64D-031/06
H02P-003/14
H02P-005/74
B64D-027/24
B60L-007/10
B60L-015/02
B60L-015/20
B64C-039/02
B60L-007/14
B60L-007/12
B60L-007/18
B60L-007/16
출원번호
US-0597085
(2017-05-16)
등록번호
US-9856033
(2018-01-02)
발명자
/ 주소
Xiao, Wenlong
Wan, Xiaojian
출원인 / 주소
SZ DJI TECHNOLOGY CO., LTD.
대리인 / 주소
Anova Law Group, PLLC
인용정보
피인용 횟수 :
0인용 특허 :
1
초록▼
A method of recycling motor power of a movable object is provided to recycle and redistribute power from at least one motor in a decelerating state. The method comprises determining whether an operating state of at least one motor of the movable object is a decelerating state, and recycling power fr
A method of recycling motor power of a movable object is provided to recycle and redistribute power from at least one motor in a decelerating state. The method comprises determining whether an operating state of at least one motor of the movable object is a decelerating state, and recycling power from the at least one motor having a decelerating state. The method also comprises redistributing the recycled power to other power consuming components of the movable object. The method of present invention increases the energy efficiency and a battery life of the movable object. The movable object may be an unmanned aerial vehicle (UAV).
대표청구항▼
1. A method of power redistribution for an unmanned aerial vehicle (UAV), said method comprising: determining an amount of power collected from at least one motor of the UAV when the at least one motor is in a decelerating state;determining an apportionment of the amount of collected power between a
1. A method of power redistribution for an unmanned aerial vehicle (UAV), said method comprising: determining an amount of power collected from at least one motor of the UAV when the at least one motor is in a decelerating state;determining an apportionment of the amount of collected power between a plurality of components of the UAV, wherein the plurality of components comprise at least one other motor of the UAV and one or more non-propulsion power consuming units; andredistributing, based on the determined power apportionment, the power collected from the at least one decelerating motor to the plurality of components of the UAV. 2. The method of claim 1, wherein the collected power is redistributed to the one or more non-propulsion power consuming units comprising of sensors, lights, navigation modules, or communication modules onboard the UAV. 3. The method of claim 1, wherein said redistributing of the collected power comprises redistributing the collected power unequally between the plurality of components, or redistributing the collected power such that at least one of the plurality of components does not receive any of the collected power. 4. The method of claim 1, further comprising: assessing power consumption of at least one of the plurality of components; andredistributing the power collected from the at least one decelerating motor to the plurality of components of the UAV based on the assessed power consumption. 5. The method of claim 1, wherein a portion of the amount of collected power is redistributed from the at least one decelerating motor to the at least one other motor of the UAV when the at least one other motor of the UAV is in an accelerating state, and wherein the at least one decelerating motor is configured to work in concert with the at least one other accelerating motor to effect rotation of the UAV. 6. The method of claim 5, wherein the rotation of the UAV is effected about one or more axes of rotation comprising a pitch axis, roll axis, or yaw axis. 7. The method of claim 5, wherein the at least one decelerating motor and the at least one other accelerating motor are configured to spin in opposite directions to effect the rotation of the UAV. 8. The method of claim 1, wherein a spatial disposition, velocity, or acceleration of the UAV is controlled by adjusting rotation rates of the plurality of motors of the UAV, and wherein the rotation rates are adjusted based at least on a redistribution of the power collected from the at least one decelerating motor to the at least one other motor of the UAV. 9. The method of claim 8, further comprising: remotely controlling the spatial disposition, velocity, or acceleration of the UAV with aid of a remote terminal as the power is collected from the at least one decelerating motor of the UAV, or as the collected power is redistributed to the plurality of components. 10. The method of claim 9, wherein the decelerating state of the at least one motor is initiated in response to a signal transmitted from the remote terminal to the UAV, wherein said signal is configured to cause braking of the at least one motor. 11. A system for redistributing power for an unmanned aerial vehicle (UAV), said system comprising: at least one motor of the UAV configured to collect power when the at least one motor is in a decelerating state;one or more processors configured to:(1) determine an amount of the power collected from at least one decelerating motor of the UAV; and(2) determine an apportionment of the amount of collected power between a plurality of components of the UAV, wherein the plurality of components comprise at least one other motor of the UAV and one or more non-propulsion power consuming units; andat least one energy distribution unit configured to redistribute, based on the determined power apportionment, the power collected from the at least one decelerating motor to the plurality of components of the UAV. 12. The system of claim 11, wherein the one or more non-propulsion power consuming units comprise sensors, lights, navigation modules, or communication modules onboard the UAV. 13. The system of claim 11, wherein the at least one energy distribution unit is configured to redistribute the collected power unequally between the plurality of components, or redistribute the collected power such that at least one of the plurality of components does not receive any of the collected power. 14. The system of claim 11, wherein the one or more processors are further configured to assess power consumption of at least one of the plurality of components, and wherein the at least one energy distribution unit is further configured to redistribute the power collected from the at least one decelerating motor to the plurality of components of the UAV based on the assessed power consumption. 15. The system of claim 11, wherein the at least one energy distribution unit is further configured to redistribute a portion of the amount of collected power from the at least one decelerating motor to the at least one other motor of the UAV when the at least one other motor of the UAV is in an accelerating state, and wherein the at least one decelerating motor is configured to work in concert with the at least one other accelerating motor to effect rotation of the UAV. 16. The system of claim 15, wherein the rotation of the UAV is effected about one or more axes of rotation comprising a pitch axis, roll axis, or yaw axis. 17. The system of claim 15, wherein the at least one decelerating motor and the at least one other accelerating motor are configured to spin in opposite directions to effect the rotation of the UAV. 18. The system of claim 1, further comprising: a remote terminal configured to remotely control a spatial disposition, velocity, or acceleration of the UAV as the power is collected from the at least one decelerating motor of the UAV, or as the at least one energy distribution unit is redistributing the collected power to the plurality of components. 19. The system of claim 18, wherein the remote terminal is configured to remotely control the spatial disposition, velocity, or acceleration of the UAV by adjusting rotation rates of the plurality of motors of the UAV, and wherein the rotation rates are adjusted based at least on a redistribution of the power collected from the at least one decelerating motor to the at least one other motor of the UAV. 20. The system of claim 18, wherein the remote terminal is configured to transmit a signal to the UAV to initiate the decelerating state of the at least one motor, wherein said signal is configured to cause braking of the at least one motor.
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이 특허에 인용된 특허 (1)
Nyhus Daniel A. ; Osder Stephen S., Active brake control for rotor/wing aircraft.
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