Transactions of the Korean Society of Mechanical Engineers A (대한기계학회논문집A)

The Korean Society of Mechanical Engineers (대한기계학회)
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Stability Analysis of Time Delay Controller for General Plants

일반적인 플랜트에 대한 시간지연을 이용한 제어기법의 안정성 해석

  • 권오석 (한국과학기술원 기계공학과) ;
  • 장평훈 (한국과학기술원 기계공학과 현 LG 생산 기술 연구소) ;
  • 정제형 (한국과학기술원 대학원 기계공학과)
  • Published : 2002.06.01
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Abstract

Time Delay Control(TDC) is a robust nonlinear control scheme using Time Delay Estimation(TDE) and also has a simple structure. To apply TDC to a real system, we must design Time Delay Controller to guarantee stability. The earlier research stated sufficient stability condition of TDC for general plants. In that research, it was assumed that time delay is infinitely small. But, it is impossible to implement infinitely small time delay in a real system. So, in this research we propose a new sufficient stability condition of TDC for general plants with finite time delay. And the simulation results indicate that the previous sufficient stability condition does not work even for small time delay, while our proposed condition works well.

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References

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