Electricity: motive power systems – Positional servo systems – Unwanted harmonic or voltage component elimination...
Reexamination Certificate
2007-02-05
2009-12-08
Duda, Rina I (Department: 2837)
Electricity: motive power systems
Positional servo systems
Unwanted harmonic or voltage component elimination...
C318S432000, C318S461000, C318S632000
Reexamination Certificate
active
07629764
ABSTRACT:
The present invention provides a torque loop control method for servomotors utilizing discontinuous pulse width modulation that incorporates measuring the power factor in real time. Also included is a sine wave generator for software-based spectrum analysis.
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Duda Rina I
Patterson Thuente, Skaar & Christensen, PA
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