Electricity: motive power systems – Induction motor systems – Primary circuit control
Reexamination Certificate
2006-07-11
2006-07-11
Duda, Rina (Department: 2837)
Electricity: motive power systems
Induction motor systems
Primary circuit control
C318S432000, C318S434000, C318S727000, C318S812000
Reexamination Certificate
active
07075267
ABSTRACT:
A motor driver has a plurality of output circuits each having an upper side switch and a lower side switch connected in series for supplying a current to a motor. The motor driver includes a current detection resistor connected in series with the plurality of output circuits in common for detecting a current supplied to the plurality of output circuits, a position detection circuit for outputting a position signal corresponding to a position of a rotor of the motor, a current command generation circuit for generating a target current command signal based on the position signal and a predetermined phase angle in which a phase angle of the target current command signal is determined by the predetermined phase angle, and a space vector modulation based logic control circuit for commanding a plurality of output circuits that are set in a plurality of switches states for control of an electric motor.
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Duda Rina
Glass Erick
Prolific Technology Inc.
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