유전 알고리즘 기반의 강인한 성능을 가지는 모델추종형 보일러-터빈 H∞ 제어 시스템의 설계
A Design of GA-Based Model-Following Boiler-Turbine H∞ Control System Having Robust Performance
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초록
본 연구에서는 강인한 성능을 가지는 모델추종형 H∞ 제어기의 설계법을 제시한다. 이를 위해강인한 성능을 보장하는 해집단내에서 기준모델의 출력을 최적으로 추종하도록 유전 알고리즘을 사용하여 가중치 함수와 설계 파라미터 γ를 동시에 최적화한다. 설계된 H∞ 제어기는 강인한 성능에 관한 필요충분조건식을 만족함은 물론 설계사양에 따른 만족스러운 응답특성을 가진다. 제시된 방법을 보일러-터빈 제어 시스템에 적용하여 그 유용성을 확인한다.
Abstract
This paper suggests a design method of the model-following H∞ control system having robust performance. This H∞ control system is designed by applying genetic algorithm(GA) with reference model to the optimal determination of weighting functions and design parameter γ that are given by Glover-Doyle algorithm which can design H∞ controller in the state space. These weighting functions and design parameter γ are optimized simultaneously in the search domain guaranteeing the robust performance of closed-loop system. The effectiveness of this H∞ control system is verified by applying to the boiler-turbine control system.
참고문헌 (10)
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