Text this: A coupled model for active vibration control of beam system with piezoelectric actuators

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