Delay compensation for stable current regulation when using...

Electricity: motive power systems – Switched reluctance motor commutation control

Reexamination Certificate

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Details

C318S254100, C318S608000, C388S811000, C388S812000, C388S813000, C388S814000, C388S815000, C363S041000

Reexamination Certificate

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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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patent: 6757185 (2004-06-01), Rojas Romero
patent: 2003/0002299 (2003-01-01), Trzynadlowski et al.
patent: 2003/0046028 (2003-03-01), Mir et al.
patent: 2003/0076065 (2003-04-01), Shafer et al.
patent: 2005/0057199 (2005-03-01), Herke et al.

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