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Considerations on the Development of an Electric Drive for a Secondary Flight Control Electromechanical Actuator

Giangrande, Paolo; Galassini, Alessandro; Papadopoulos, Savvas; Al-Timimy, Ahmed; Lo Calzo, Giovanni; Degano, Michele; Gerada, Christopher; Galea, Michael


Alessandro Galassini

Savvas Papadopoulos

Ahmed Al-Timimy

Giovanni Lo Calzo

Professor of Electrical Machines and Drives


The more electric aircraft concept aims to improve the fuel consumption, the weight, and both the maintenance and operating costs of the aircraft, by promoting the use of electric power in actuation systems. According to this scenario, electromechanical actuators for flight control systems represent an important technology in next generation aircraft. This paper presents a linear-geared electromechanical actuator for secondary flight control systems, where the safety and availability requirements are fulfilled by replicating the electric drive acting on the drivetrain. Indeed, the architecture considered consists of two power converters feeding as many electrical machines coupled to the same mechanical system. The design of both the permanent magnet synchronous machine and the power converter are addressed. Preliminary results on the electric drive prototype are also provided and compared to the design requirements. Finally, the electromechanical actuator performance at system-level is evaluated in Dymola environment, analyzing different operating modes.


Giangrande, P., Galassini, A., Papadopoulos, S., Al-Timimy, A., Lo Calzo, G., Degano, M., …Galea, M. (2019). Considerations on the Development of an Electric Drive for a Secondary Flight Control Electromechanical Actuator. IEEE Transactions on Industry Applications, 55(4), 3544 - 3554. doi:10.1109/tia.2019.2907231

Journal Article Type Article
Acceptance Date Mar 18, 2019
Online Publication Date Mar 25, 2019
Publication Date 2019
Deposit Date Jul 9, 2019
Publicly Available Date Jul 10, 2019
Journal IEEE Transactions on Industry Applications
Print ISSN 0093-9994
Electronic ISSN 1939-9367
Publisher Institute of Electrical and Electronics Engineers
Peer Reviewed Peer Reviewed
Volume 55
Issue 4
Pages 3544 - 3554
Keywords DC–AC power converters, Electrohydraulics, electromechanical systems, Fault tolerance, Permanent magnet machines, Redundancy
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