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16 October 2023 Intelligent detection of spacecraft abnormal behavior based on feature dimensionality representation algorithm
Weijun Zhong, Jian He, Xiaotong Deng, Ying Shi, Yanan Meng, Yanna Zhang
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Proceedings Volume 12803, Fifth International Conference on Artificial Intelligence and Computer Science (AICS 2023); 128032C (2023) https://doi.org/10.1117/12.3009145
Event: 2023 5th International Conference on Artificial Intelligence and Computer Science (AICS 2023), 2023, Wuhan, China
Abstract
In response to the need for quasi-real-time and high-confidence research and judgment of spacecraft abnormal proximity symptoms in space situation awareness, this paper proposes an intelligent detection method for orbital anomalies based on the high-dimesional representation of spacecraft behavior. Based on the target orbit element database to extract the spacecraft behavior time series characteristics and generate a high-dimensional representation matrix, a convolutional neural network structure integrating multi-dimensional characteristic classification and detection is designed, the orbital abnormal behavior characteristics is automatically learned, and it’s detected whether the spacecraft orbital is abnormal. The historical Two-Line Elements (TLE) data are used to generate a test set of abnormal orbital behavior of the spacecraft, and the Mahalanobis distance method and the intelligent detection method are used to jointly detect the test set. The test results show that the intelligent detection method provides a better orbital anomaly detection success rate on the self-built test set than the Mahalanobis distance method, which is increased from 85% to 98.5%. The intelligent detection method can be effectively used for detection of abnormal spacecraft orbital behavior.
(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Weijun Zhong, Jian He, Xiaotong Deng, Ying Shi, Yanan Meng, and Yanna Zhang "Intelligent detection of spacecraft abnormal behavior based on feature dimensionality representation algorithm", Proc. SPIE 12803, Fifth International Conference on Artificial Intelligence and Computer Science (AICS 2023), 128032C (16 October 2023); https://doi.org/10.1117/12.3009145
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KEYWORDS
Space operations
Mahalanobis distance
Matrices
Detection and tracking algorithms
Education and training
Convolutional neural networks
Data modeling
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