Title:
PAN-TILT HEAD RESET CONTROL METHOD AND DEVICE, PAN-TILT HEAD, AND UNMANNED AERIAL VEHICLE
Document Type and Number:
WIPO Patent Application WO/2019/127344
Kind Code:
A1
Abstract:
A pan-tilt head (200) reset control method and device, a pan-tilt head (200), and an unmanned aerial vehicle. The pan-tilt joint angle of a rotational area of the pan-tilt head (200) is greater than 360 degrees, and the rotational area is divided into a plurality of sub-areas according to a preset rule. The method comprises: when a pan-tilt head (200) is passively rotated from a first position to a second position along a first direction, calculating a difference between the joint angle of the pan-tilt head (200) at the first position and the joint angle of the pan-tilt head at the second position (S301); when the difference satisfies a first specific condition, controlling the pan-tilt head (200) to return to the first position from the second position in a direction opposite to the first direction (S302); and when the difference satisfies a second specific condition, according to the sub-area where the first position is located, controlling the pan-tilt head (200) to return to the first position from the second position along the shortest path or the direction opposite to the first direction (S303). After the pan-tilt head (200) is passively triggered to rotate, the present application selects an automatic reset mode of the pan-tilt head (200) according to the difference between the joint angle of the pan-tilt head (200) at the first position and the joint angle of the pan-tilt head at the second position, solving the problem that on the shortest path the pan-tilt head (200) hits a mechanical block.
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Inventors:
LIU SHUAI (CN)
WANG YINGZHI (CN)
WANG ZHENDONG (CN)
WANG YINGZHI (CN)
WANG ZHENDONG (CN)
Application Number:
PCT/CN2017/119774
Publication Date:
July 04, 2019
Filing Date:
December 29, 2017
Export Citation:
Assignee:
SZ DJI TECHNOLOGY CO LTD (CN)
International Classes:
G05D3/00
Foreign References:
| CN101650570A | 2010-02-17 | |||
| CN101436038A | 2009-05-20 | |||
| CN105935008A | 2016-09-07 | |||
| CN202632119U | 2012-12-26 | |||
| JPH10206964A | 1998-08-07 |
Attorney, Agent or Firm:
BEIJING BESTIPR INTELLECTUAL PROPERTY LAW CORPORATION (CN)
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