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With the increased electrification of aircraft, the use of motors to replace traditionally mechanical or hydraulic auxiliary systems has increased. Aerospace motor design has the rather unique characteristics of mass and torque density being extremely important, whereas cost is less so. For low maintenance, non-safety critical components, which are only used for short durations of the flight cycle,...
Reliable performance is of primary importance when designing machines for aerospace applications. In the case of generators, it forces thermal, electrical and physical isolation of phases and imposes a limit on short circuit current. Single tooth high inductance permanent magnet machines suit the application and have been in use for many years. However, the small slot clearance forces the use of labour...
A black-box behavioural model for a permanent magnet generator (PMG) for aerospace applications is developed. The model is well-suited to system-level simulation and stability analysis as it is simple and requires no prior knowledge of the internal structure of the system. It is also able to accommodate the non-linear behaviour of the PMG system over the full speed and load range. A polytopic approach...
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