Aircraft Electrohydrostatic Actuators

See also: Controllers, Actuation Systems

More Electric Flight Controls

Moog is pioneering the use of Electrohydrostatic Actuator (EHA) technology in flight controls for the next generation of military and commercial aircraft.  Moog has spent the last two decades refining and maturing EHA technology, readying it for today’s modern aircraft.

Over this period, Moog has developed simplex and dual redundant actuators, dual and triplex redundant actuator controllers and highly integrated designs with on-board power and control electronics.  Our range of proven EHA-based flight controls include solutions rated up to 50 HP and capable of delivering in excess of 65,000 lbf.

Moog’s EHA technology is being used as the basis for the revolutionary electric flight control system on Lockheed Martin’s F-35 Lightning II and has been selected by Airbus for both the A400M and A350 XWB.

EHA Actuator with Integral Power and Control

 

To simplify system design and installation Moog offers highly integrated EHA solution which include onboard power drives and control.

Dual Redundant EHA Actuator

Redundancy is often required for primary flight control surfaces and our proven designs include actuators with independent servo motor/pump combinations providing hydraulic power to separate pistons in a dual tandem cylinder configuration.

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