Journal of the Korean Institute of Intelligent Systems (한국지능시스템학회논문지)

Korean Institute of Intelligent Systems (한국지능시스템학회)
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Nonlinear Control of Network based Systems with Random Time Delays using Intelligent Algorithms

지능형 알고리즘을 이용한 랜덤 시간지연을 갖는 네트워크 기반 시스템의 비선형 제어

  • Published : 2007.10.25
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Abstract

본 논문은 확률특성을 갖는 네트워크 기반 제어시스템(NCS; Networked Control Systems)을 위하여 동적 베이시안 네트워크(DBN; Dynamic Bayesian Networks)와 신경회로망 기법을 이용한 지능제어기법을 제안한다. 신경회로망은 시변 시간지연을 갖는 비선형 시스템의 실시간 오차를 보상하기 위한 제어기의 최적화에 적용된다. 모듈화 신경회로망이 구성되며 이것은 제어기의 파라미터를 출력한다 가장 간단한 DBN 구조인 마코브 체인(MC; Markov Chain)이 구성되며 NCS의 랜덤 관측값을 모델링에 적용되며 예측 제어기의 구성에 또한 사용된다. 제안한 제어기법은 위성시스템의 자세제어에 적용하여 컴퓨터 시뮬레이션을 통해 성능을 검증하였다.

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References

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