Technical Communique: Robust stabilization of uncertain input-delay systems by sliding mode control with delay compensation

  • Authors:
  • Young-Hoon Roh;Jun-Ho Oh

  • Affiliations:
  • Home Appliance Research Lab., LG Electronics Co., Ltd., 327-23 Gasan-Dong, Keumchun-Gu, Seoul, 153-023, South Korea;Department of Mech. Eng., Korea Advanced Institute of Science and Technology, 373-1 Kusong-Dong, Yusung-Gu, Taejeon, 305-701, South Korea

  • Venue:
  • Automatica (Journal of IFAC)
  • Year:
  • 1999

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Abstract

In this paper, a sliding mode control is proposed for the robust stabilization of uncertain linear input-delay systems with nonlinear parametric perturbations. The proposed sliding surface includes a predictor to compensate for the input delay of the system. A robust control law is derived to ensure the existence of a sliding mode and to overcome the effects of the delay and uncertainty in the sliding mode. A numerical example is given to illustrate the design procedure and results of the proposed approach.