A flight controller causes an airframe to take off and elevate to a predetermined altitude upon reception of a take-off start command from the ground. The flight controller increases a collective pitch rudder angle without performing altitude control, and subsequently starts the altitude control. Independent claims are also included for the following: (a) an unmanned helicopter take-off method; and (b) an unmanned helicopter landing method.
Unmanned helicopter and landing method for an unmanned helicopter
Unbemannter Hubschrauber und Landeverfahren für einen unbemannten Hubschrauber
Hélicoptère sans occupant et procédé d'atterrissage pour un hélicoptère sans occupant
2018-12-26
Patent
Elektronische Ressource
Englisch
Unmanned helicopter propeller hub and unmanned helicopter
Europäisches Patentamt | 2020
|Unmanned helicopter forced landing emergency parachute
Europäisches Patentamt | 2021
|