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2019•International Journal of Control Science and EngineeringRequires access

Improving the Regulatory Response of PID Controller Using Internal Model Control Principles

Arun R. Pathiran

Open publisher page 4 citations

Abstract

The Internal Model Control (IMC) Scheme is the model based control structure, while the conventional feedback scheme with Proportional plus Integral (PI) and Proportional plus Integral plus Derivative (PID) controller is the most widely used control structure in industry. The proposed scheme combines these two schemes to attain an improved input disturbance rejection response. The regulatory response to the changes in the input disturbance can be improved via tuning the IMC controller where the response to the setpoint changes is undisturbed. Comparisons and simulation results are presented to illustrate the effectiveness of the proposed two degrees of the freedom control scheme.

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What this paper is about

The Internal Model Control (IMC) Scheme is the model based control structure, while the conventional feedback scheme with Proportional plus Integral (PI) and Proportional plus Integral plus Derivative (PID) controller is the most widely used control structure in industry. The proposed scheme combines these two schemes to attain an improved input disturbance rejection response. The regulatory response to the changes in the input disturbance can be improved via tuning the IMC controller where the response to the setpoint changes is undisturbed. Comparisons and simulation results are presented to illustrate the effectiveness of the proposed two degrees of the freedom control scheme.

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OpenAlex reports 4 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

The Internal Model Control (IMC) Scheme is the model based control structure, while the conventional feedback scheme with Proportional plus Integral (PI) and Proportional plus Integral plus Derivative (PID) controller is the most widely used control structure in industry. The proposed scheme combines these two schemes to attain an improved input disturbance rejection response. The regulatory response to the changes in the input disturbance can be improved via tuning the IMC controller where the response to the setpoint changes is undisturbed. Comparisons and simulation results are presented to illustrate the effectiveness of the proposed two degrees of the freedom control scheme.

Key concepts: Setpoint, Control theory (sociology), PID controller, Internal model, Controller (irrigation), Scheme (mathematics), Control (management), Control engineering

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