On 05/10/2020 10:20 PM, Curtis Dutton wrote:
These do have hall
signals to allow initial commutation.
Ah, that solves the commutation issue.
If you had to drive fanuc encoder/servos from a bldc component how would
you (roughly speaking) configure them?
Well, I don't. I make brushless servo amps that take the
"Hall" signals to control commutation.
So, they are simple six-step drives, not sinusoidal. But,
that seems to work pretty well.
There IS a slight discontinuity at the commutation changes,
but it is really pretty small.
So, for the Fanuc encoders, I make converters that provide
simulated Hall signals from the
information available.
Jon
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