Abstract
Availability is an important index for measuring the service performance of navigation satellite. The traditional availability analysis methods only take into account the satellite failure factors, but not consider the satellite performance status. An availability analysis method of navigation satellite based on Petri nets is proposed in this paper, considering both the two factors of failure and performance status. With the consideration of three key navigation tasks (satellite uplink signal injection, navigation information processing, and navigation signal broadcasting), the satellite availability model, which describes the health of the single machine and the quality of the navigation signal, is firstly established by the colored Petri nets (CPN) on the basis of information flow. Then, the results of simulating analysis of satellite availability are obtained using Monte Carlo (MC) simulation algorithm.
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Li, H., Zheng, H., Zhao, H., Zheng, Z. (2018). Research on the Availability Analysis Method of Navigation Satellite Based on Petri Nets. In: Sun, J., Yang, C., Guo, S. (eds) China Satellite Navigation Conference (CSNC) 2018 Proceedings. CSNC 2018. Lecture Notes in Electrical Engineering, vol 499. Springer, Singapore. https://doi.org/10.1007/978-981-13-0029-5_12
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DOI: https://doi.org/10.1007/978-981-13-0029-5_12
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