Electricity: motive power systems – Switched reluctance motor commutation control
Reexamination Certificate
2005-12-06
2005-12-06
Martin, David (Department: 2837)
Electricity: motive power systems
Switched reluctance motor commutation control
C318S254100, C318S608000, C388S811000, C388S812000, C388S813000, C388S814000, C388S815000, C363S041000
Reexamination Certificate
active
06972534
ABSTRACT:
A control system for an electric machine having a rotor position sensor that generates a rotor position signal, a velocity module that generates an electric angular velocity value based on the rotor position signal, a random pulse width modulation module that generates a switching period and a delay for a current cycle, and a phase angle compensation module that sums a sample rate, one half of the switching period, and the delay of a previous cycle and that outputs a delay time. The phase angle compensation module further multiplies the delay time and the electric angular velocity value and generates a compensating angle.
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Kowalewski Daniel L.
Schulz Steven E.
DeVries Christopher
General Motors Corporation
Hiruy Elias B.
Martin David
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