Text this: Fault detection and isolation with estimated frequency response

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