Experimental fault-tolerant control of a PMSM drive
Bolognani, S.; Zordan, M.; Zigliotto, M.
Industrial Electronics, IEEE Transactions on
Volume 47, Issue 5, Oct 2000 Page(s):1134 - 1141
Digital Object Identifier 10.1109/41.873223
Summary:The paper describes a study and an experimental verification of
remedial strategies against failures occurring in the inverter power
devices of a permanent-magnet synchronous motor drive. The basic idea of
this design consists of incorporating a fourth inverter pole, with the
same topology and capabilities of the other conventional three poles.
This minimal redundant hardware, appropriately connected and controlled,
allows the drive to face a variety of power device fault conditions
while maintaining a smooth torque production. The achieved results also
show the industrial feasibility of the proposed fault-tolerant control,
that could fit many practical applications
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