Ground Experiment Development for Acquiring, Tracking and Pointing of Small Space Debris

Space debris is increasingly threatening, especially small space debris on the order of centimeters because of the difficulties in detecting and cleaning. Various detection and active cleaning approaches have been reported. Among these approaches, the laser cleaning approach exhibits advantages of pollution free and high benefit-cost ratio. Compared with theoretical investigations of laser cleaning, experimental studies are not sufficient. To validate the detecting and cleaning methods of small space debris, the experimental setup for acquisition, tracking and pointing system is developed. Dual CCD cameras with filters are proposed to detect space debris. Additionally, a two degree-of-freedom laser pointing mirror using neural network control is presented. Finally, the proposed acquisition, tracking and pointing of small space debris is demonstrated in the experimental study.

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