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The Korean Institute of Electrical Engineers (대한전기학회)
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A MIMO VSS with an Integral-Augmented Sliding Surface for Uncertain Multivariable Systems

불확실 다변수 시스템을 위한 적분 슬라이딩 면을 갖는 다입출력 가변 구조 제어기

  • 이정훈 (경상대학교 공대 전기전자공학부 제어계측공학과)
  • Received : 2009.11.13
  • Accepted : 2010.03.03
  • Published : 2010.05.01
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Abstract

In this paper, a multi-input multi-output(MIMO) integral variable structure system with an integral-augmented sliding surface is designed for the improved robust control of uncertain multivariable system under the matched persistent disturbance. To effectively remove the reaching phase problems, the integral augmented sliding surface is proposed. Then for its design, the eigenstructure assignment technique is introduced to. To guarantee the designed performance against the persistent disturbance, the stabilizing control for multi-input system is also designed to generate the sliding mode on the integral sliding surface. The stability of the global system together with the existence condition of the sliding mode are investigated and proved for the case of multi input system in the presence of uncertainty and disturbance. The reaching phase is completely removed in proposed MIMO VSS by satisfying the two requirements. An example and computer simulations will be present for showing the usefulness of algorithm.

Keywords

References

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