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

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