Korean Chemical Engineering Research

  • 제49권5호
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  • Pages.565-570
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  • 2011
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  • 0304-128X(pISSN)
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  • 2233-9558(eISSN)
한국화학공학회 (The Korean Institute of Chemical Engineers)
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시간지연이 없는 공정에서의 외란제거 성능 향상을 위한 PID 제어기의 해석적 설계

Analytical Design of PID Controller for Improved Disturbance Rejection of Delay-Free Processes

  • 발행 : 2011.10.01
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초록

시간지연이 없는 다양한 범주의 안정, 적분, 불안정 공정에 대하여 비례-적분-미분(PID) 제어기의 해석적 조율 방법을 제안하였다. 2자유도 제어구조와 내부모델 제어에 기반한 제안된 방법은 설계가 간단하고 직접적이며 공정산업에 쉽게 구현할 수 있어 강화된 설정점 추종과 외란제거 성능을 얻는데 유용하게 사용될 수 있다. 몇몇 대표적 공정에 대하여 강건성을 같게 유지하면서 기존 설계 방법과 비교한 결과, 제안된 방법의 우수한 폐루프 성능을 확인하였다.

In this paper, the analytical tuning rules of the proportional-integral-derivative (PID) controller have been derived for a broad class of stable, integrating, and unstable processes without time delay. On the basis of the renowned internal model control (IMC) design principles and the two-degree-of-freedom (2DOF) control structure, the proposed method can be effectively used for obtaining the enhanced performances of both the disturbance rejection as well as the set-point tracking problems, since the design scheme is simple, straightforward, and can be easily implemented in the process industry. Several processes without time delay are employed to demonstrate the improved closed-loop performance of the proposed controller design in compared with the other well-known design methods in terms of the same degree of robustness.

키워드

참고문헌

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  1. Control of Steaming Process for the Production of High Quality Red Ginseng vol.52, pp.5, 2014, https://doi.org/10.9713/kcer.2014.52.5.587