EBo wrote: > Yes, those projects are uber cool, and I am familiar with some, but not > all, of the tools you mention. My real point was "it would be REALLY > cool if EMC/LinuxCNC has these analytical tools in its arsenal." I > would LOVE to be wrong, but I do not remember hearing anything about > these in the forums, documentation, etc. > > I have a dynamic signal analyzer, but have not had stellar results using it. But, it seems that one could build such a thing in HAL. You'd need a swept sine wave generator to stimulate the system, and record the response of the system, both amplitude and phase to the stimulus. Just add the sine wave excitation to a constant position and feed this to the PID, and record position. Then, feed that to a Fourier analysis.
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