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High-performance EHA controls using an interior permanent magnet motor

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2 Author(s)
Jahns, T.M. ; General Electric Corp. Res. & Dev., Schenectady, NY, USA ; Van Nocker, R.C.

A controller for a high-performance electrohydrostatic actuator (EHA) using an interior permanent magnet (IPM) synchronous motor to produce servo motion is described. The buried-magnet design of the IPM motor yields desired characteristics such as high efficiency, robust rotor construction, and wide operating speed range. Power converter size is minimized by using insulated-gate bipolar transistor (IGBT) power switches combined with high-voltage integrated circuit (HVIC) gate drivers in phase-leg power modules. Experimental results for the demonstrator motor-controller hardware rated at 12 hp (continuous) are presented confirming the IPM motor drive's performance

Published in:

Aerospace and Electronic Systems, IEEE Transactions on  (Volume:26 ,  Issue: 3 )

Date of Publication:

May 1990

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