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Choice of drive topologies for electrical actuation of aircraft flaps and slats

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


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This paper discusses the choice of drive topologies for the electrical actuation of aircraft flaps and slats. The paper first discusses the potential benefits of replacing electro-hydraulic actuation with distributed electrical actuation of the flight control surfaces. It then demonstrates why fault tolerance is essential in order to meet the reliability requirements of these systems. A range of different modular drive structures are compared, examining performance requirements at all speeds. It is shown how a shorted phase will exert substantial braking torque at low speed, and this strongly influences the choice of drive topology. © 2004 University of Newcastle upon Tyne, UK.

Publication metadata

Author(s): Bennett JW, Mecrow BC, Jack AG, Atkinson DJ, Sewell C, Mason G, Sheldon S, Cooper B

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 2nd International Conference on Power Electronics, Machines and Drives (PEMD 2004)

Year of Conference: 2004

Pages: 332-337

Publisher: IEEE


DOI: 10.1049/cp:20040308