STABILIZING PLATFORM
First Claim
Patent Images
1. An unmanned aerial vehicle (UAV) comprising:
- (a) a central body;
(b) a plurality of propulsion units supported away from the central body and configured to rotate to generate lift during flight of the UAV;
(c) a frame assembly adapted to hold a device, wherein the frame assembly comprises;
a first frame member, wherein the device is configured to be coupled to the first frame member;
a second frame member, wherein the first frame member is rotatably coupled to the second frame member about a first rotational axis;
a third frame member, wherein the second frame member is rotatably coupled to the third frame member about a second rotational axis, wherein the second axis is orthogonal to the first rotational axis; and
one or more adjustment members for adjusting (1) a position of the device relative to the first frame member, such that a resulting center of gravity of (i) the device and (ii) the first frame member is collectively aligned on the first rotational axis, or (2) a position of the first frame member relative to the second frame member, such that a resulting center of gravity of (i) the device, (ii) the first frame member, and (iii) the second frame member is collectively aligned on the second rotational axis; and
(d) a motor assembly configured to directly drive the frame assembly in response to one or more motor signals so as to allow the device to rotate about at least one of a pitch axis, roll axis, or yaw axis.
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Abstract
The present invention provides an apparatus and related methods for stabilizing a payload device such an imaging device. The methods and apparatus provide fast response time for posture adjustment of the payload device while reducing the energy used.
5 Citations
20 Claims
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1. An unmanned aerial vehicle (UAV) comprising:
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(a) a central body; (b) a plurality of propulsion units supported away from the central body and configured to rotate to generate lift during flight of the UAV; (c) a frame assembly adapted to hold a device, wherein the frame assembly comprises; a first frame member, wherein the device is configured to be coupled to the first frame member; a second frame member, wherein the first frame member is rotatably coupled to the second frame member about a first rotational axis; a third frame member, wherein the second frame member is rotatably coupled to the third frame member about a second rotational axis, wherein the second axis is orthogonal to the first rotational axis; and one or more adjustment members for adjusting (1) a position of the device relative to the first frame member, such that a resulting center of gravity of (i) the device and (ii) the first frame member is collectively aligned on the first rotational axis, or (2) a position of the first frame member relative to the second frame member, such that a resulting center of gravity of (i) the device, (ii) the first frame member, and (iii) the second frame member is collectively aligned on the second rotational axis; and (d) a motor assembly configured to directly drive the frame assembly in response to one or more motor signals so as to allow the device to rotate about at least one of a pitch axis, roll axis, or yaw axis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification