Title :
The design of fault tolerant machines for aerospace applications
Author :
Atkinson, G.J. ; Mecrow, B.C. ; Jack, A.G. ; Atkinson, D.J. ; Sangha, P. ; Benarous, M.
Author_Institution :
Sch. of Electr., Electron. & Comput. Eng., Newcastle upon Tyne Univ.
Abstract :
This paper discusses the design of a fault tolerant electric motor for an aircraft main engine fuel pump. The motor in question is a four phase fault tolerant motor with separated windings and a six pole permanent magnet rotor. Methods of reducing machine losses in both the rotor and stator are introduced and discussed. The methods used to calculate rotor eddy current losses are examined. 3D finite element, 2D finite element time-stepping and 2D finite element harmonic methods are discussed and the differences between them and the results they produce investigated. Conclusions are drawn about the accuracy of the results produced and how the methods in question helps the machine designer
Keywords :
aerospace engines; design engineering; fault tolerance; finite element analysis; harmonic analysis; permanent magnet machines; rotors; stators; 2D finite element harmonic methods; 2D finite element time-stepping methods; aerospace applications; aircraft engine fuel pump; fault tolerant electric motor; machine loss reduction; permanent magnet rotor; stators; Aircraft propulsion; Eddy currents; Electric motors; Engines; Fault tolerance; Finite element methods; Fuel pumps; Permanent magnet motors; Rotors; Stators;
Conference_Titel :
Electric Machines and Drives, 2005 IEEE International Conference on
Conference_Location :
San Antonio, TX
Print_ISBN :
0-7803-8987-5
Electronic_ISBN :
0-7803-8988-3
DOI :
10.1109/IEMDC.2005.195974