Position-sensorless control of interior permanent magnet...

Details Position-sensorless control of interior permanent magnet... Position-sensorless control of interior permanent magnet...

2006-08-08

2006-08-08

Ponomarenko, Nicholas (Department: 2834)

Electricity: single generator systems

Automatic control of generator or driving means

Electrical conditions in circuit other than that of...

C322S020000, C318S432000

Reexamination Certificate

active

07088077

ABSTRACT:
A method of controlling an IPM machine having a salient rotor. Stator terminal signals are measured and rotated to obtain synchronous reference frame current signals. A rotor position is estimated based on an impedance generated using the rotor and included in the current signals. The estimated rotor position is used to control the machine. An alternator-starter system in which this method is used can provide high cranking torque and generation power over a wide speed range while providing operational efficiency.

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