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

  1. Lookup NU author(s)
  2. Dr John Bennett
  3. Professor Barrie Mecrow
  4. Professor Alan Jack
  5. Dr Dave Atkinson
Author(s)Bennett JW, Mecrow BC, Jack AG, Atkinson DJ, Sewell C, Mason G, Sheldon S, Cooper B
Publication type Conference Proceedings (inc. Abstract)
Conference NameSecond IEE International Conference on Power Electronics, Machines and Drives
Conference LocationEdinburgh, UK
Year of Conference2004
Source Publication Date31 March-2 April 2004
Series TitleConference Publication
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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. (7 References).
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