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Title:
VIBRATION REDUCTION ASSEMBLY, UNMANNED AERIAL VEHICLE, AND VIBRATION REDUCTION METHOD FOR UNMANNED AERIAL VEHICLE
Document Type and Number:
WIPO Patent Application WO/2022/126417
Kind Code:
A1
Abstract:
A vibration reduction assembly, an unmanned aerial vehicle, and a vibration reduction method for an unmanned aerial vehicle. The vibration reduction assembly comprises a sensor, a processor, an execution actuator and a mass, damping and stiffness device. The sensor is installed at a vibration part of an unmanned aerial vehicle and is used for detecting the vibration of the unmanned aerial vehicle and outputting a vibration signal. The processor is electrically connected to the sensor and is used for processing the vibration signal and outputting a control signal. The execution actuator is electrically connected to the processor and is used for executing an action according to the control signal. The mass, damping and stiffness device is installed on the unmanned aerial vehicle and is connected to the execution actuator. The action executed by the execution actuator acts on the mass, damping and stiffness device, such that the mass, damping and stiffness device generates displacement in a direction opposite to the vibration direction of the unmanned aerial vehicle, so as to reduce the vibration of the unmanned aerial vehicle. Any type of vibration of any unmanned aerial vehicle can be reduced, such that the stress level of a key structural member of the unmanned aerial vehicle can be reduced, and the risk of failure of the unmanned aerial vehicle can be reduced.

Inventors:
ZHAO YANG (CN)
LIU XIANG (CN)
LI XIONGFEI (CN)
CHEN SHUITIAN (CN)
Application Number:
PCT/CN2020/136758
Publication Date:
June 23, 2022
Filing Date:
December 16, 2020
Export Citation:
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Assignee:
SZ DJI TECHNOLOGY CO LTD (CN)
International Classes:
B64C27/00; F16F7/10
Foreign References:
US20180265187A12018-09-20
CN111271140A2020-06-12
CN111102316A2020-05-05
CN101024424A2007-08-29
CN111005980A2020-04-14
CN111946770A2020-11-17
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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