Electricity: motive power systems – Synchronous motor systems
Reexamination Certificate
2005-06-17
2010-02-23
Benson, Walter (Department: 2837)
Electricity: motive power systems
Synchronous motor systems
C318S400070, C318S798000, C318S806000
Reexamination Certificate
active
07667426
ABSTRACT:
A system and method for controlling an IPM synchronous machine in a vehicle that calculates an operating trajectory of the machine on-line. The system defines three operating ranges of the machine based on voltage magnitude, where a first operating range is controlled by a current limit of the machine and second and third operating regions are controlled by a voltage limit of the machine. The system calculates d- and q-axis current reference signals in the reference rotor frame for each of the three regions. The system determines which set of current reference signals will be used to control the machine based on the operating region. The third operating region is used during over-modulation of the machine.
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On-line Minimum-Copper-Loss Control of an Interior Permanent-Magnet Synchronous Machine for Automotive Applications.
Bae Bon-Ho
Hiti Silva
Jeong Yu-Seok
Rahman Khwaja M.
Sul Seung Ki
Benson Walter
Colon Eduardo
GM Global Technology Operations Inc.
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