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adding ZN tuner info to docs

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Jason Bruce 2021-06-08 10:27:54 -04:00
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docs/pid_tuning.md
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@ -14,6 +14,12 @@ My kiln is Skutt KS-1018 with a kiln vent. Try the current settings for pid_kp,
## The Tuning Process ## The Tuning Process
### Automatic Tuning
Contributor ADQ worked hard on creating a [Ziegler Nicols auto-tuner](ziegler_tuning.md) which is python script that heats your kiln, saves data to a csv, and then gives you PID parameters for config.py.
### Manual Tuning
I'm a big fan of manual tuning. Let's start with some reasonable values for PID settings in config.py... I'm a big fan of manual tuning. Let's start with some reasonable values for PID settings in config.py...
pid_kp = 20 pid_kp = 20
@ -47,4 +53,3 @@ Expect some overshoot as the kiln reaches the set temperature the first time, bu
## Troubleshooting ## Troubleshooting
* only change one value at a time, then test it. * only change one value at a time, then test it.
* if the above does not work, try the Ziegler / Nichols method https://blog.opticontrols.com/archives/477