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  _____     ______   ______    __   __    _____   
 / ____||  /_   _// |      \\  \ \\/ //  |__  //  
/ //---`'   -| ||-  |  --  //   \ ` //     / //   
\ \\___     _| ||_  |  --  \\    | ||     / //__  
 \_____||  /_____// |______//    |_||    /_____|| 
  `----`   `-----`  `------`     `-`'    `-----`

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Text this: Output tracking control of MIMO fuzzy nonlinear systems using variable structure control approach