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Reliable electro-mechanical actuators in aircraft
Authors:Garcia   A. Cusido   I. Rosero   J.A. Ortega   J.A. Romeral   L.
Affiliation:MCIA Research Group, Electronic Engineering Department, UPC;
Abstract: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.
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