Am Dienstag 25 Januar 2011, um 18:17:00 schrieb Kirk Wallace:
> If you are getting motion oscillation, I suspect it is due to the
> feedback system and not the motor. Halscoping the command and feedback
> signals should help determine the nature of the oscillation.

Some times it is handy to view a spectrum from
a measured time series. Here is my octave code to calculate this.
Maybe some hal scope developer can integrate this.
http://dl.dropbox.com/u/18713924/fftxyz5_emc.m

Joachim

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