Thread: TOS-KURIM CNC Upgrade
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20-09-2020 #19
I always note the settings when i do stuff like this. Having said that, I also find no trace of said records when I need them. It might be helpful to be able to show you my final values but I can't find jack shit when I look.
The response doesn't look too daft. Ideally you wouldn't get any overshoot or oscillation on this kind of step change. You aren't far off, although the numbers do seem a bit odd. The P value seems very low and the D seems high. The I seems way OTT. You also seem to have a bit of an offset left when the system has settled down. The I would take care of this normally but perhaps your very low P is an issue.
Did you start with P, then dial in some D, then finally some I? It will start to wobble, oscillate, tremble etc if you overdo it and it can get a bit exciting on occasion. Back off about 20% or so to give yourself some margin before trying to dial in the next term. It's a bit of a black art!
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