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Hi
Before replying to this I would like to know little bit more about...
1. Verror
2. Integral Verror
3. Derivative error
The above formula is for Digital PID comprising of uP/uC ADC DAC etc. Analog PID is comprising of OPAMPs, Resitor Capacitor Diodes etc...
Thx+
Hi
DIGITAL PI is
pid_output = rtc/2*tn( current sample + previous sample ) + kp( current sample - previous sample )
where tn = Time Constant.
Kp = Propotional Constant.
Thx+
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