Abstract
With the increasing number of space debris, the probability of the collision between the spacecraft in orbit and space debris significantly increases, threatening the stable operation of the manned spacecraft and the safety of the astronauts. So, it is of great significance to the leak detecting of spacecraft in orbit. In this paper, beam-forming algorithm will be used to detect and locate the continuous leak signal, using an L-shape sensor array. By carrying out experiments on an 1 m × 1 m × 2.5 mm size plate (5A06), the influence of distance between sensor array and the leak source on the accuracy of leak location will be studied both in theory and experiment. The experimental result will be a reference for distribution of sensor array when this method is used in practical application.
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Acknowledgment
This paper is supported by the National Natural Science Foundation of China (Grant No. U1537109) and the Open Foundation of State Key Laboratory of Precision Measurement Technology and Instrument (Tianjin University) (No. pilab1706).
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Qi, L., Sun, L., Meng, D., Wang, Y., Sun, W., Yan, R. (2019). A Method for Leak Detection of Spacecraft in Orbit Based on Beam-Forming. In: Shen, G., Zhang, J., Wu, Z. (eds) Advances in Acoustic Emission Technology. WCAE 2017. Springer Proceedings in Physics, vol 218. Springer, Cham. https://doi.org/10.1007/978-3-030-12111-2_39
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DOI: https://doi.org/10.1007/978-3-030-12111-2_39
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