Title:
METHOD FOR DETERMINING INVALIDITY OF PITCH ANGLE OF SINGLE-REDUNDANT UNMANNED AERIAL VEHICLE
Document Type and Number:
WIPO Patent Application WO/2024/016494
Kind Code:
A1
Abstract:
A method for determining invalidity of a pitch angle of a single-redundant unmanned aerial vehicle, comprising the following steps: 1) setting the time for pitch angle invalidity determination by an unmanned aerial vehicle after entering a stable flight stage; 2) after entering the stable flight stage, performing the pitch angle invalidity determination of the unmanned aerial vehicle according to the status of an attitude information sensor of the unmanned aerial vehicle; and 3) using the attitude information sensor of the unmanned aerial vehicle to obtain the pitch angle θ and the pitch angular velocity q of each measurement as criteria, performing determination on the basis of the obtained criteria by means of a pitch angle invalidity determination device, if results of 10 consecutive measurements are all abnormal, determining that the pitch angle of the unmanned aerial vehicle is invalid, and setting a pitch angle invalidity flag bit to be valid.
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Inventors:
LI YANG (CN)
WANG HONGGUI (CN)
XIA BIN (CN)
MENG QIN (CN)
LI MAO (CN)
YIN JUN (CN)
WANG HONGGUI (CN)
XIA BIN (CN)
MENG QIN (CN)
LI MAO (CN)
YIN JUN (CN)
Application Number:
PCT/CN2022/125682
Publication Date:
January 25, 2024
Filing Date:
October 17, 2022
Export Citation:
Assignee:
CHENGDU AIRCRAFT IND GROUP CO LTD (CN)
International Classes:
G05D1/08; G05D1/10
Foreign References:
| CN114924581A | 2022-08-19 | |||
| CN113485399A | 2021-10-08 | |||
| CN107300395A | 2017-10-27 | |||
| CN109917812A | 2019-06-21 | |||
| US20190299892A1 | 2019-10-03 |
Attorney, Agent or Firm:
CHENGDU JUNHEJI PATENT OFFICE (ORDINARY PARTNERSHIP) (CN)
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