Working with precision temp sensors

[mikejerky]

I am running a small temp controller with a type J t/c. I have my pid loop tuned very aggresivly to maintain about a 5-7 deg. spread on temps. Still working on tuning the I part of the loop.

 

[richtee]

Ahhh interesting. I have yet to get into it. Just getting my propane burner fabbed now. The controller I have has an "auto-tune" feature that should help. If not... I figger I can muddle my way thru it. I was hoping for 10 degrees or so. Don't really think anything tighter would be an advantage, except possibly for "bragging rights" Which, around a full smoker...CAN be important I guess...LOL!

 

[richtee]

Hence the use of a PID type controller. You actually "tune" the system to eliminate the ocillations, or "ringing" you mention. If you'd like more info on control theory, I can supply the basics, just PM me, as most here would have no interest in such a dry, boring subject

 

[smokebuzz]

OK, so that would fall under some of the parameters i adjust,. sadly, i have a hard time explaining to my coworkers and customers "how" it works, but i am the one that gets the calls from everyone on how to implement and program many types of control systems. I have spent WAY too much time in applications and not enuff in theory

 

[richtee]

Eh, relax. Intuitive knowlege can work much better than theory "where the rubber meets the road". I'm sure I'm in for a few stalls and burn-outs before I get 'er tweaked right...hehe.

Maybe now ya can make the customer feel a BIT better. Tell 'em you've had BBQ pit experience !