Research on Clock Synchronization of Simulation System Based on Ethernet and Optical Fiber Network

doi:10.16182/j.issn1004731x.joss.19-FZ0343

Abstract

Abstract: With the development of simulation communication and Ethernet clock synchronization technology, the traditional timing simulation method based on real-time operating system can not meet the accuracy requirements of clock synchronization between multi-simulation systems. A time synchronization method between simulation systems based on IEEE1588 clock synchronization protocol and optical fiber reflection memory network is proposed, in which the Beidou/GPS timing device periodically calibrates the real-time operating system, and the real-time operating system divides the frequency of the calibrated clock information and synchronizes the clock of each simulation system through the high-speed optical fiber reflection memory network. The clock synchronization among three simulation systems is tested in real-time, The results show that the synchronization accuracy between systems reaches microsecond level.

Key words: IEE1588 Clock Synchronization Protocol, optical fiber network, System, time synchronization

CLC Number:

TP391.9

Meng Yulin, Shen Tao, Wang Shuaihao, Zhao Lüyi, Tang Chengshi. Research on Clock Synchronization of Simulation System Based on Ethernet and Optical Fiber Network[J]. Journal of System Simulation, 2019, 31(11): 2402-2407.

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