Electricity: motive power systems – Synchronous motor systems – Armature winding circuits
Reexamination Certificate
2011-03-29
2011-03-29
Benson, Walter (Department: 2837)
Electricity: motive power systems
Synchronous motor systems
Armature winding circuits
C318S700000, C318S400010, C318S400020
Reexamination Certificate
active
07915852
ABSTRACT:
The invention includes a motor controller and method for controlling a permanent magnet motor. In accordance with one aspect of the present technique, a permanent magnet motor is controlled by, among other things, receiving a torque command, determining a normalized torque command by normalizing the torque command to a characteristic current of the motor, determining a normalized maximum available voltage, determining an inductance ratio of the motor, and determining a direct-axis current based upon the normalized torque command, the normalized maximum available voltage, and the inductance ratio of the motor.
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Breitzmann Robert J.
Harbaugh Mark M.
Liu Jingbo
Nondahl Thomas A.
Royak Semyon
Benson Walter
Dinh Thai
Fletcher Yoder LLP
Kuszewski Alexander R.
Miller John M.
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