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A Prototype Electrical Actuator for Aircraft Flaps

Lookup NU author(s): Dr John Bennett, Professor Barrie Mecrow, Professor Alan Jack, Dr Dave Atkinson



This paper considers the electrical actuation of aircraft wing surfaces, with particular emphasis on flap systems. It discusses existing hydraulic and electrohydraulic systems and proposes an electrical alternative, examining the potential system benefits in terms of increased functionality, maintenance, and life-cycle costs. This paper then progresses to describe a full-scale actuation demonstrator of the flap system, including the highspeed electrical drive, step-down gearbox, and flaps. Detailed descriptions of the fault-tolerant motor, power electronics, control architecture, and position sensor systems are given, along with a range of test results, demonstrating the system in operation.

Publication metadata

Author(s): Bennett JW, Mecrow BC, Jack AG, Atkinson DJ

Publication type: Article

Publication status: Published

Journal: IEEE Transactions on Industry Applications

Year: 2010

Volume: 46

Issue: 3

Pages: 915-921

Print publication date: 01/05/2010

ISSN (print): 0093-9994

ISSN (electronic): 1939-9367

Publisher: IEEE


DOI: 10.1109/TIA.2010.2046278


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