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

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Text this: Event-triggered adaptive attitude tracking control for spacecraft with unknown actuator faults