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Title:
UNMANNED AIRCRAFT
Document Type and Number:
WIPO Patent Application WO/2016/171120
Kind Code:
A1
Abstract:
Provided is a multicopter which is equipped with a fall prevention device capable of preventing the aircraft from falling even when normal flight has become unsustainable due to various reasons. The multicopter has: a multicopter fuselage F having rotors P1-P4 to be driven by a power source B; multiple emergency rotors Pe1, Pe2 to be driven by an emergency power source Be which is different from the power source B; abnormality detection sensors S2, Se1 for detecting an abnormality of the multicopter fuselage F; and an emergency control device Ce. The multicopter is configured such that when the abnormality detection sensors S2, Se1 have detected an abnormality of the multicopter fuselage F, the emergency control device Ce stops the rotors P1-P4 from operating and performs control for causing the emergency rotors Pe1, Pe2 to be driven by emergency power source Be in order to prevent a sudden fall of the multicopter.

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Inventors:
SUGAKI KIYOKAZU (JP)
KONO MASAKAZU (JP)
ICHIHARA KAZUO (JP)
Application Number:
PCT/JP2016/062348
Publication Date:
October 27, 2016
Filing Date:
April 19, 2016
Export Citation:
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Assignee:
PRODRONE CO LTD (JP)
International Classes:
B64C27/08; B64D25/00; B64C39/02; B64D27/02; B64D27/24
Foreign References:
JPH04274995A1992-09-30
JP2015137092A2015-07-30
US20150012154A12015-01-08
CN103625640A2014-03-12
JP2016088111A2016-05-23
Attorney, Agent or Firm:
WENO & PARTNERS (JP)
Patent business corporation Ueno patent firm (JP)
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