Abstract：With the development of science, technology and economy, the generation and maintenance of stable and reliable time and frequency signals become increasingly important. In order to improve the reliability of the time-keeping system, the consistency test system of working clock and backup clock was constructed. The phase and frequency synchronization of the main and backup atomic clocks were realized by synchronization algorithm. The control method of atomic time under normal and abnormal traceable links was designed. The design requirements of software, hardware and environmental factors of the time-keeping system were expounded. Thus, the time-keeping system can meet the high reliability requirement in an all-round way.
班亚, 袁静, 刘洪静, 王锐, 杨帆, 罗浩, 费添豪. 提高守时系统可靠性的关键技术及方法研究[J]. 计量学报, 2019, 40(6A): 164-168.
BAN Ya, YUAN Jing, LIU Hong-jing, WANG Rui, YANG Fan, LUO Hao, FEI Tian-hao. Research on Key Technologies and Methods for Improving the Reliability of Time-keeping System. Acta Metrologica Sinica, 2019, 40(6A): 164-168.
1 卢建福, 高玉平, 林思佳, 等.时频系统中主备钟一致性保持方法的研究［J］. 时间频率学报, 2013, 36(4): 222-228. LuJ F, GaoY P, LinS J, et al. Study of methods of maintaining consistency between primary and backup clock in time/frequency system ［J］. Journal of Time and Frequency, 2013, 36(4): 222-228.
2 何雷, 王文利, 施韶华, 等.基于最小二乘预测的主备频率信号产生链路异常监测方法［J］. 时间频率学报, 2016, 39(2): 78-86. HeL, WangW L, ShiS H, et al. A method based on least-square-prediction for monitoring anomaly of main/standby frequency-signal-generating links［J］. Journal of Time and Frequency, 2016, 39(2): 78-86.
3 李孝辉, 杨旭海, 刘娅, 等.时间频率信号的精密测量［M］. 北京: 科学出版社, 2010: 1-13.
4 闫建华, 李林花, 赵润, 等. 守时系统的可靠性分析与预计方法［C］//中国宇航学会.全国时间频率学术会议. 北京, 2011: 363-367
5 RileyW J. Handbook of Frequency Stability Analysis［R］. Washington: U. S. Government printing office, 2008.
6 何雷.主备频率产生链路完好性监测试验分析［D］. 北京:中国科学院大学, 2016.
7 唐升.星上时频主备链路比对测量及自主完好性监测方法［D］. 北京: 中国科学院研究生院, 2013.
8 邢彦超, 杨俊, 汤超, 等. 一种铷原子钟双钟热备相位无扰切换系统的设计［J］. 时间频率学报, 2011, 34(2): 101-106. XingY C, YangJ, TangC, et al. A design of dual rubidium clock hot standby system with a switching method of no-phase-perturbation ［J］. ournal of Time and Frequency, 2011, 34(2): 101-106.
9 尹东山, 赵书红, 高玉平.氢原子钟的频率驾驭算法研究［J］. 天文学报, 2016, 57(4): 477-486. YinD S, ZhaoS H, GaoY P. Research on the Steering Strategy for Hydrogen Maser［J］. Acta Astronomica Sinica, 2016, 57(4): 477-486.
2019, Vol. 40 
