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PID Temperature regulation

In the mobile app you can configure 3 main parameters - P, I, D.

Error

SetPoint - Current Temperature


Time from last update


Time since last update in minutes.

Set by user

If P is equal to 10 and Error is 1C then the resulting output will be equal to 10%.

I

Set by user

If I is equal to 1 and the Error is 1C, then the resulting output will grow by 1% every minute.

D

Set by user

If D is equal to 1 and the Error has changed from 4C to 2C in 1 minute, then the resulting output will have decreased by 2%.

P Gain

P * Error


I Gain

Previous I Gain + (I Error Time from Last updade)


D Gain

D * ((error - lastError) / Time from Last updade)


Output

P Gain + I Gain + D Gain

The resulting output is the sum of the three gains.