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Technical Paper

Design of a High-Temperature Utility Electromechanical Actuator

2012-10-22
2012-01-2214
Electric actuation on aerospace platforms has significant advantages compared to its hydraulic counterparts, particularly in terms of enhanced reliability, reduced maintenance, advanced diagnostic/performance capabilities, and possibly reduced weight and cost. It is thus not surprising that military and commercial aerospace sectors are introducing more electrical actuation architectures. A logical continuation of this trend is the replacement of hydraulic utility actuators in applications with harsh environments such as wide-range ambient temperatures and high vibration, where hydraulic actuation is still dominating. Such environments provide new challenges to the design of electric actuators, particularly considering that performance, weight, volume, and cost should be competitive with the equivalent hydraulic systems.
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