articleIEEE Transactions on Fuzzy SystemsJun 3, 2014Closed access

Fuzzy Adaptive Output Feedback Control of MIMO Nonlinear Systems With Partial Tracking Errors Constrained

STShaocheng TongSSShuai SuiYLYongming Li

Liaoning University of Technology

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Abstract

In this paper, a partial tracking error constrained fuzzy output-feedback dynamic surface control (DSC) scheme is proposed for a class of uncertain multi-input and multi-output (MIMO) nonlinear systems. The considered MIMO nonlinear systems contain unknown functions and without the requirement of their states being available for the controller design. With the help of fuzzy logic systems identifying the MIMO unknown nonlinear systems, a fuzzy adaptive observer is established to estimate the unmeasured states. By transforming the tracking errors into new virtual error variables and based on the DSC backstepping recursive design technique, a new adaptive fuzzy output-feedback control method is developed. It is…

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Topics & keywords

Topics
Keywords
  • Control theory (sociology)
  • Backstepping
  • Fuzzy logic
  • MIMO
  • Fuzzy control system
  • Nonlinear system
  • Tracking error
  • Controller (irrigation)
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