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Reliable electro-mechanical actuators in aircraft

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5 Author(s)
Garcia, A. ; Electron. Eng. Dept., UPC, Terrassa ; Cusido, J. ; Rosero, J.A. ; Ortega, J.A.
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There is a general trend in the aerospace industry toward increasing the use of electrically-powered equipment. This trend is usually referred to as "Power-by-Wire" in the "More Electric Aircraft" (MEA) concept and it leads, among others, to the substitution of hydraulic actuators by electro-mechanical actuators (EMA). Its benefits are a decrease in maintenance effort and weight, and an increase in efficiency. However, jamming case obstacles stop the massive use of EMAs in flight-control actuators. The aim herein is to introduce the safety needs of electro-mechanical actuators in aircraft applications, and Its major goal is to present the suitability and reliability of such actuator systems, including electric motors and power converters.

Published in:

Aerospace and Electronic Systems Magazine, IEEE  (Volume:23 ,  Issue: 8 )