publication . Conference object . 2012

Experimental analysis and simulation of the dynamix response of a propeller pitch change actuator

LECLERCQ, Maxime; MALBURET, François; VERON, Philippe;
Open Access English
  • Published: 01 Jan 2012
  • Publisher: ASME
  • Country: France
This paper focuses specifically on the control of the propeller pitch change mechanisms and their associated dynamics. The subject of this article is restricted to the mechanisms using a hydraulic single acting actuator. They function asymmetrically and are subject to important varying external loads under the full flight envelope. This phenomenon has an impact on their dynamic response. The question of the dynamics of these systems is rarely dealt with because, usually for aircraft applications, there is no real requirement for propeller pitch dynamic control. But, in the case of some applications, such as the Eurocopter X3, this dynamic control aspect and the ...
free text keywords: Variable pitch propeller, hydraulic systems, external loads, transfer function, dynamic system, helicopter, first order system, Mécanique: Génie mécanique [Sciences de l'ingénieur]
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