Quote:
Originally Posted by MPaulHolmes
I'll get a hex file to you, and you can try out the sensorless code. although, I haven't actually used the sensorless to drive the motor yet. I was just trying to verify that I could obtain the rotor flux angle from the back emf angle somehow. It looks like you just subtract off like 20% of a period, but I think I remember someone saying that it's actually 90 degrees offset, so maybe my sensored rotor flux angle is off by a few %?
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Is it time for me to couple the DC motor to the AC motor again?
I have a hand-held tachometer to check rpm, and you know what rpm the motor is turning .. so we should not overspeed the DC motor .. right?