PID Parameter Calculator
Calculation of PID controller parameters using various methods.
READY
pid_parameter_calculator.tool
READY
// HOW IT WORKS
A PID controller combines proportional, integral and derivative terms to drive a process variable to its setpoint. The tool helps understand/estimate the parameters.
Manipulated variable
u(t) = Kp·e(t) + Ki·∫e(t)dt + Kd·de(t)/dt
Rule of thumb (Ziegler-Nichols)
From critical gain Ku and period Tu: Kp = 0.6·Ku, Ti = 0.5·Tu, Td = 0.125·Tu.
Notes
- Too much Kd amplifies noise.
- The I term removes the steady-state error.