Integrated PM machine design for an aircraft EMA

Chris Gerada, Keith J. Bradley

Research output: Journal PublicationArticlepeer-review

128 Citations (Scopus)

Abstract

This paper looks at the requirements and challenges of designing a permanent-magnet (PM) motor for a directly driven electromechanical actuator for aerospace applications. Having a directly driven system, the intermediate gearbox is eliminated, bringing advantages in terms of lower component count and reduced jamming probability. The design of a low-speed high pole number PM motor will be investigated as a potential solution. The main goals of the design are a high level of actuator integration in order to minimize weight and volume, fault tolerance, and high reliability. The design will be tailored to the requirements of a typical midspoiler actuation system for a large civil aircraft.

Original languageEnglish
Pages (from-to)3300-3306
Number of pages7
JournalIEEE Transactions on Industrial Electronics
Volume55
Issue number9
DOIs
Publication statusPublished - 2008
Externally publishedYes

Keywords

  • Aerospace actuation
  • Electromechanical actuator (EMA)
  • Fault tolerance
  • Permanent-magnet (PM) machines
  • Sensorless

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

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