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In this paper, the analytical PID controller design methodology of the SISO and MIMO processes has been discussed on the basis of the IMC principle. The paper deals with two issues: firstly emphasizes on a tuning method of a SISO stable and unstable process and secondly a MIMO tuning rule. To verify the superiority of the proposed tuning method, simulation studies have been conducted on several process...
The PID control system design has been proposed based on the IMC principle for integrating, first order and second order systems with an integrator, and with/without zero. The proposed method of PID controller design is based on the disturbance rejection, which causes the overshoot in the setpoint response. The two-degree-of-freedom (2DOF) control structure has been suggested to eliminate the overshoot...
The IMC-PID tuning rule has been proposed for the several unstable processes and unstable process with negative zero. The results of the searching of the IMC filter for the PID controller design clearly exhibit that the critically damped filter doesn't always gives the best response, and it depends upon the category of the process model. The value of damping factor (xi) in IMC filter can be adjusted...
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