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  ____      _____               ______   _    _   
 |  _ \\   |  ___||     ___    /_   _// | |  | || 
 | |_| ||  | ||__      /   ||   -| ||-  | |/\| || 
 | .  //   | ||__     | [] ||   _| ||_  |  /\  || 
 |_|\_\\   |_____||    \__ ||  /_____// |_// \_|| 
 `-` --`   `-----`      -|_||  `-----`  `-`   `-` 
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Text this: Technologies for proactive maintenance by the hilbert huang transform (HHT) technique