Ziegler-Nichols 1942 tuning rules: u(t) = K_p e + K_i integral e + K_d de/dt; ultimate-gain method gives K_p = 0.6 K_u, T_i = T_u/2, T_d = T_u/8; basis of process control.
Ziegler-Nichols 1942 tuning rules: u(t) = K_p e + K_i integral e + K_d de/dt; ultimate-gain method gives K_p = 0.6 K_u, T_i = T_u/2, T_d = T_u/8; basis of process control.