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Variable structure control for MRAC systems with perturbations in input and output channels

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Abstract

A design scheme of variable structure model reference control systems using only input and output measurements is presented for the systems with unmodeled dynamics and disturbances in input and output channels. The modeled part of the systems has relative degree greater than one and unknown upper bound of degree. By introducing some auxiliary signals and normalized, signals with memory functions and appropriate choice of controller parameters, the developed variable structure controller guarantees the global stability of the closed-loop system and the arbitrarily small tracking error.

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Authors and Affiliations

  1. Institute of Automation, Qufu Normal University, 273165, Qufu, China

    Yuqiang Wu

  2. Faculty of Informatics and Communication, Central Queensland University, 4702, Rockhampton, QLD, Australia

    Xinghuo Yu

  3. Institute of Automation, Southeast University, 210096, Nanjing, China

    Chunbo Feng

Authors
  1. Yuqiang Wu
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  2. Xinghuo Yu
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  3. Chunbo Feng
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Correspondence to Yuqiang Wu.

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Wu, Y., Yu, X. & Feng, C. Variable structure control for MRAC systems with perturbations in input and output channels. Sci. China Ser. E-Technol. Sci. 43, 430–448 (2000). https://doi.org/10.1007/BF02916991

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  • DOI: https://doi.org/10.1007/BF02916991

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