Article(id=1251480540331852136, tenantId=1146029695717560320, journalId=1251234078029037663, issueId=1251480531381207309, articleNumber=null, orderNo=null, doi=10.11887/j.issn.1001-2486.25040037, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1745164800000, receivedDateStr=2025-04-21, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1776305812199, onlineDateStr=2026-04-16, pubDate=1766851200000, pubDateStr=2025-12-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1776305812199, onlineIssueDateStr=2026-04-16, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1776305812199, creator=13701087609, updateTime=1776305812199, updator=13701087609, issue=Issue{id=1251480531381207309, tenantId=1146029695717560320, journalId=1251234078029037663, year='2025', volume='47', issue='6', pageStart='1', pageEnd='306', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1776305810065, creator=13701087609, updateTime=1776305899308, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1251480905865446141, tenantId=1146029695717560320, journalId=1251234078029037663, issueId=1251480531381207309, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1251480905865446142, tenantId=1146029695717560320, journalId=1251234078029037663, issueId=1251480531381207309, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=253, endPage=263, ext={EN=ArticleExt(id=1251480540851945847, articleId=1251480540331852136, tenantId=1146029695717560320, journalId=1251234078029037663, language=EN, title=Application of robust Kalman filter to time-frequency system integrity monitoring, columnId=1251480534468211258, journalTitle=Journal of National Niversity of Defense Technology, columnName=Control Science and Engineering·Information and Communication Engineering·Electronic Science and Technology, runingTitle=null, highlight=null, articleAbstract=
In order to improve the sensitivity of time-frequency system integrity monitoring, a time-frequency system integrity monitoring method based on robust Kalman filter was proposed.In this method, a robust Kalman filter model was constructed using the historical measurement data of time difference, the time difference prediction bias and the frequency bias were estimated in real time, and the consistency detection was carried out separately, so that the integrity monitoring was realized.The model and method were verified through measured data and simulation analysis, and the results show that:this method can effectively detect and identify single faults of phase jump and frequency jump, and alarm the user;in a single fault scenario, compared with the traditional integrity monitoring method, the detection sensitivity is increased by about 25.0%;in a multi-fault scenario, the method can effectively detect faults, but there is a problem of insufficient fault identification, and the detection sensitivity is reduced by about 26.2% compared to a single fault, but it is still better than the traditional method.
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为了提升时频系统完好性监测的灵敏度,提出了一种基于抗差卡尔曼滤波器的时频系统完好性监测方法。该方法利用时差历史测量数据构建抗差卡尔曼滤波器模型,实时估计时差预报偏差与频率偏差,分别进行一致性检测,实现完好性监测。通过实测数据与仿真分析对该模型与方法进行验证,结果表明:该方法可以有效地检测与识别相位跳变和频率跳变单故障,并向用户告警;在单故障场景下,相比传统的完好性监测方法,检测灵敏度提升约25.0%;在多故障场景下,该方法能有效检测故障,但存在识别故障不充分的问题,检测灵敏度相比单故障降低约26.2%,仍优于传统方法。
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1.国防科技大学 电子科学学院,湖南 长沙 410073)]), AuthorCompany(id=1251480553418081247, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, xref=2., ext=[AuthorCompanyExt(id=1251480553430664161, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, companyId=1251480553418081247, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.国防科技大学 电子科学学院,湖南 长沙 410073)]), AuthorCompany(id=1251480553418081247, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, xref=2., ext=[AuthorCompanyExt(id=1251480553430664161, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, companyId=1251480553418081247, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.导航与时空技术国家级重点实验室,湖南 长沙 410073)])], figs=[ArticleFig(id=1251480557612384461, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=EN, label=Fig.1, caption=
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Process of time-frequency system integrity monitoring, figureFileSmall=IyvMbKg+NZ0BgUWFjSo74g==, figureFileBig=/TUY357Opt+sZJHcgJzxMQ==, tableContent=null), ArticleFig(id=1251480558077952247, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=CN, label=图2, caption=
时频系统完好性监测流程, figureFileSmall=IyvMbKg+NZ0BgUWFjSo74g==, figureFileBig=/TUY357Opt+sZJHcgJzxMQ==, tableContent=null), ArticleFig(id=1251480558191198464, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=EN, label=Fig.3, caption=
Time-frequency signal fault scenarios simulation, figureFileSmall=aMBtHeE+yistfvQ0VjBH9g==, figureFileBig=Hjhu/3Olgss79x3DO/jDYQ==, tableContent=null), ArticleFig(id=1251480558325416205, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=CN, label=图3, caption=
时频信号故障场景仿真, figureFileSmall=aMBtHeE+yistfvQ0VjBH9g==, figureFileBig=Hjhu/3Olgss79x3DO/jDYQ==, tableContent=null), ArticleFig(id=1251480558442856725, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=EN, label=Fig.4, caption=
Results of model convergence, figureFileSmall=8ZnWnCA+YK0+G1uLiVbQOQ==, figureFileBig=jCmGU9lq71PG+AesJvFmjg==, tableContent=null), ArticleFig(id=1251480558556102940, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=CN, label=图4, caption=
模型收敛性结果, figureFileSmall=8ZnWnCA+YK0+G1uLiVbQOQ==, figureFileBig=jCmGU9lq71PG+AesJvFmjg==, tableContent=null), ArticleFig(id=1251480558681932071, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=EN, label=Fig.5, caption=
Single phase jump fault detection and identification, figureFileSmall=SUMu41bJkua3qc18/rNnfA==, figureFileBig=RBkdIMtFgl/eOERSMovd0Q==, tableContent=null), ArticleFig(id=1251480558790983982, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=CN, label=图5, caption=
相位跳变单故障检测与识别, figureFileSmall=SUMu41bJkua3qc18/rNnfA==, figureFileBig=RBkdIMtFgl/eOERSMovd0Q==, tableContent=null), ArticleFig(id=1251480558904230199, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=EN, label=Fig.6, caption=
Single frequency jump fault detection and identification, figureFileSmall=Iw3sRGYFm5qDl4adqNHSYg==, figureFileBig=U8dhSOTioDyX8hXX6eYygg==, tableContent=null), ArticleFig(id=1251480560472899907, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=CN, label=图6, caption=
频率跳变单故障检测与识别, figureFileSmall=Iw3sRGYFm5qDl4adqNHSYg==, figureFileBig=U8dhSOTioDyX8hXX6eYygg==, tableContent=null), ArticleFig(id=1251480560556785989, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=EN, label=Fig.7, caption=
Comparison of fault detection and identification in single/multi-fault scenarios, figureFileSmall=UWKAkebFsvD79GeyctKM3g==, figureFileBig=8aug0WQRd14c95mogHzvBg==, tableContent=null), ArticleFig(id=1251480560682615117, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=CN, label=图7, caption=
单/多故障场景下故障检测与识别对比, figureFileSmall=UWKAkebFsvD79GeyctKM3g==, figureFileBig=8aug0WQRd14c95mogHzvBg==, tableContent=null), ArticleFig(id=1251480560791667028, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=EN, label=Tab.1, caption=
Basic parameters of each link
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| 链路编号 | 采样间隔/s | 噪声标准差/ps |
|---|
| 1 | 1 | 54.3 |
| 2 | 1 | 54.5 |
| 3 | 1 | 54.3 |
| 4 | 1 | 40.0 |
| 5 | 1 | 24.9 |
| 6 | 1 | 35.4 |
| 7 | 1 | 36.0 |
), ArticleFig(id=1251480560900718937, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=CN, label=表1, caption=
各条链路的基本参数
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| 链路编号 | 采样间隔/s | 噪声标准差/ps |
|---|
| 1 | 1 | 54.3 |
| 2 | 1 | 54.5 |
| 3 | 1 | 54.3 |
| 4 | 1 | 40.0 |
| 5 | 1 | 24.9 |
| 6 | 1 | 35.4 |
| 7 | 1 | 36.0 |
), ArticleFig(id=1251480560992993631, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=EN, label=Tab.2, caption=
Fault simulation parameters
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| 故障类型 | 故障链路编号 | 故障发生时刻/s | 故障大小 |
|---|
| 相位跳变单故障 | 5 | 50 | 200 ps |
| 频率跳变单故障 | 5 | 50 | 2×10-14 |
), ArticleFig(id=1251480561102045542, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=CN, label=表2, caption=
故障仿真参数
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| 故障类型 | 故障链路编号 | 故障发生时刻/s | 故障大小 |
|---|
| 相位跳变单故障 | 5 | 50 | 200 ps |
| 频率跳变单故障 | 5 | 50 | 2×10-14 |
), ArticleFig(id=1251480561198514540, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=EN, label=Tab.3, caption=
Experimental setup
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 实验名称 | 实验内容 |
|---|
| 1 | 模型性能分析 | 展开分析构造的抗差卡尔曼滤波器模型的收敛性和参数敏感性,确定合适的模型参数 |
| 2 | 相位跳变单故障仿真 | 对比分析传统方法和提出的方法对相位跳变单故障的检测与识别结果 |
| 3 | 频率跳变单故障仿真 | 对比分析传统方法和提出的方法对频率跳变单故障的检测与识别结果 |
| 4 | 单/多故障场景性能对比 | 对比分析相位和频率跳变单/多故障的检测与识别结果 |
| 5 | 检测灵敏度对比 | 在不同大小的频率故障仿真条件下,对比分析传统方法与提出的方法的灵敏度 |
), ArticleFig(id=1251480561274012018, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=CN, label=表3, caption=
实验设置
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 实验名称 | 实验内容 |
|---|
| 1 | 模型性能分析 | 展开分析构造的抗差卡尔曼滤波器模型的收敛性和参数敏感性,确定合适的模型参数 |
| 2 | 相位跳变单故障仿真 | 对比分析传统方法和提出的方法对相位跳变单故障的检测与识别结果 |
| 3 | 频率跳变单故障仿真 | 对比分析传统方法和提出的方法对频率跳变单故障的检测与识别结果 |
| 4 | 单/多故障场景性能对比 | 对比分析相位和频率跳变单/多故障的检测与识别结果 |
| 5 | 检测灵敏度对比 | 在不同大小的频率故障仿真条件下,对比分析传统方法与提出的方法的灵敏度 |
), ArticleFig(id=1251480561399841147, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=EN, label=Tab.4, caption=
Effect of P0(0,0)variation on convergence performance
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| P0(0,0)/(ps)2 | P0(0,0) | 收敛时间/s | 收敛精度 |
|---|
| P0(1,1) | 时差/ps | 频率偏差 |
|---|
| 103 | 103 | 20007 | 13.38 | 1.15×10-16 |
| 102 | 102 | 20007 | 13.39 | 1.75×10-16 |
| 18 | 18 | 20007 | 13.39 | 3.48×10-16 |
| 10 | 10 | 20007 | 13.40 | 4.21×10-16 |
| 1 | 1 | 20007 | 13.40 | 5.74×10-16 |
| 10-1 | 10-1 | 20007 | 13.40 | 5.97×10-16 |
| 10-2 | 10-2 | 20007 | 13.40 | 6.00×10-16 |
| 10-3 | 10-3 | 20007 | 13.40 | 6.00×10-16 |
| 10-4 | 10-4 | 20007 | 13.40 | 6.00×10-16 |
), ArticleFig(id=1251480561496310146, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=CN, label=表4, caption=
P0(0,0)变化对收敛性能的影响
, figureFileSmall=null, figureFileBig=null, tableContent=
| P0(0,0)/(ps)2 | P0(0,0) | 收敛时间/s | 收敛精度 |
|---|
| P0(1,1) | 时差/ps | 频率偏差 |
|---|
| 103 | 103 | 20007 | 13.38 | 1.15×10-16 |
| 102 | 102 | 20007 | 13.39 | 1.75×10-16 |
| 18 | 18 | 20007 | 13.39 | 3.48×10-16 |
| 10 | 10 | 20007 | 13.40 | 4.21×10-16 |
| 1 | 1 | 20007 | 13.40 | 5.74×10-16 |
| 10-1 | 10-1 | 20007 | 13.40 | 5.97×10-16 |
| 10-2 | 10-2 | 20007 | 13.40 | 6.00×10-16 |
| 10-3 | 10-3 | 20007 | 13.40 | 6.00×10-16 |
| 10-4 | 10-4 | 20007 | 13.40 | 6.00×10-16 |
), ArticleFig(id=1251480561596973449, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=EN, label=Tab.5, caption=
Effect of P0(1 ,1 )variation on convergence performance
, figureFileSmall=null, figureFileBig=null, tableContent=
| P0(1,1)/(ps/s)2 | P0(0,0) | 收敛时间/s | 收敛精度 |
|---|
| P0(1,1) | 时差/ps | 频率偏差 |
|---|
| 103 | 10-3 | 20007 | 13.40 | 5.72×10-16 |
| 102 | 10-2 | 20007 | 13.40 | 5.72×10-16 |
| 18 | 1/18 | 20007 | 13.40 | 5.73×10-16 |
| 10 | 10-1 | 20007 | 13.40 | 5.73×10-16 |
| 1 | 1 | 20007 | 13.40 | 5.74×10-16 |
| 10-1 | 10 | 20007 | 13.40 | 5.75×10-16 |
| 10-2 | 102 | 19687 | 11.73 | 5.01×10-16 |
| 10-3 | 103 | 19457 | 9.17 | 3.63×10-16 |
| 10-4 | 104 | 14519 | 3.51 | 2.73×10-16 |
), ArticleFig(id=1251480561714413971, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=CN, label=表5, caption=
P0(1,1)变化对收敛性能的影响
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| P0(1,1)/(ps/s)2 | P0(0,0) | 收敛时间/s | 收敛精度 |
|---|
| P0(1,1) | 时差/ps | 频率偏差 |
|---|
| 103 | 10-3 | 20007 | 13.40 | 5.72×10-16 |
| 102 | 10-2 | 20007 | 13.40 | 5.72×10-16 |
| 18 | 1/18 | 20007 | 13.40 | 5.73×10-16 |
| 10 | 10-1 | 20007 | 13.40 | 5.73×10-16 |
| 1 | 1 | 20007 | 13.40 | 5.74×10-16 |
| 10-1 | 10 | 20007 | 13.40 | 5.75×10-16 |
| 10-2 | 102 | 19687 | 11.73 | 5.01×10-16 |
| 10-3 | 103 | 19457 | 9.17 | 3.63×10-16 |
| 10-4 | 104 | 14519 | 3.51 | 2.73×10-16 |
), ArticleFig(id=1251480561810882968, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=EN, label=Tab.6, caption=
TTA for frequency jump faults
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| 故障大小 | 单故障场景告警时间/s | 多故障场景告警时间/s | 变化率/% |
|---|
| 传统方法 | 提出的方法 | 传统方法 | 提出的方法 | 单故障场景 | 多故障场景 | 单/多故障对比(提出的方法) |
|---|
| 4×10-15 | 31203 | 25708 | 35282 | 32136 | -17.6 | -8.9 | 20.0 |
| 6×10-15 | 20958 | 17424 | 23247 | 22715 | -16.9 | -2.3 | 23.3 |
| 8×10-15 | 15895 | 12699 | 20079 | 18546 | -20.1 | -7.6 | 31.5 |
| 10×10-15 | 12835 | 10439 | 16590 | 13098 | -18.7 | -21.0 | 20.3 |
| 12×10-15 | 10741 | 7928 | 13965 | 11124 | -26.2 | -20.3 | 28.7 |
| 14×10-15 | 9181 | 7434 | 11786 | 9766 | -19.0 | -17.1 | 23.9 |
| 16×10-15 | 7837 | 5658 | 9595 | 7769 | -27.8 | -19.0 | 27.2 |
| 18×10-15 | 7377 | 5278 | 9129 | 7390 | -28.5 | -19.0 | 28.6 |
| 20×10-15 | 6803 | 5180 | 7793 | 6556 | -23.9 | -15.9 | 21.0 |
| 30×10-15 | 4651 | 3159 | 5668 | 4651 | -32.1 | -17.9 | 32.1 |
| 40×10-15 | 3155 | 2680 | 4475 | 3530 | -15.1 | -21.1 | 24.1 |
| 50×10-15 | 2705 | 1909 | 3137 | 2743 | -29.4 | -12.6 | 30.4 |
| 60×10-15 | 2233 | 1703 | 2839 | 2154 | -23.7 | -24.1 | 20.9 |
| 70×10-15 | 2030 | 1370 | 2580 | 1907 | -32.5 | -26.1 | 28.2 |
| 80×10-15 | 1648 | 1113 | 2136 | 1589 | -32.5 | -25.6 | 30.0 |
| 90×10-15 | 1478 | 1033 | 2019 | 1433 | -30.1 | -29.0 | 27.9 |
| 100×10-15 | 1376 | 955 | 1639 | 1302 | -30.6 | -20.6 | 26.7 |
), ArticleFig(id=1251480561894769057, tenantId=1146029695717560320, journalId=1251234078029037663, articleId=1251480540331852136, language=CN, label=表6, caption=
频率跳变故障告警时间
, figureFileSmall=null, figureFileBig=null, tableContent=
| 故障大小 | 单故障场景告警时间/s | 多故障场景告警时间/s | 变化率/% |
|---|
| 传统方法 | 提出的方法 | 传统方法 | 提出的方法 | 单故障场景 | 多故障场景 | 单/多故障对比(提出的方法) |
|---|
| 4×10-15 | 31203 | 25708 | 35282 | 32136 | -17.6 | -8.9 | 20.0 |
| 6×10-15 | 20958 | 17424 | 23247 | 22715 | -16.9 | -2.3 | 23.3 |
| 8×10-15 | 15895 | 12699 | 20079 | 18546 | -20.1 | -7.6 | 31.5 |
| 10×10-15 | 12835 | 10439 | 16590 | 13098 | -18.7 | -21.0 | 20.3 |
| 12×10-15 | 10741 | 7928 | 13965 | 11124 | -26.2 | -20.3 | 28.7 |
| 14×10-15 | 9181 | 7434 | 11786 | 9766 | -19.0 | -17.1 | 23.9 |
| 16×10-15 | 7837 | 5658 | 9595 | 7769 | -27.8 | -19.0 | 27.2 |
| 18×10-15 | 7377 | 5278 | 9129 | 7390 | -28.5 | -19.0 | 28.6 |
| 20×10-15 | 6803 | 5180 | 7793 | 6556 | -23.9 | -15.9 | 21.0 |
| 30×10-15 | 4651 | 3159 | 5668 | 4651 | -32.1 | -17.9 | 32.1 |
| 40×10-15 | 3155 | 2680 | 4475 | 3530 | -15.1 | -21.1 | 24.1 |
| 50×10-15 | 2705 | 1909 | 3137 | 2743 | -29.4 | -12.6 | 30.4 |
| 60×10-15 | 2233 | 1703 | 2839 | 2154 | -23.7 | -24.1 | 20.9 |
| 70×10-15 | 2030 | 1370 | 2580 | 1907 | -32.5 | -26.1 | 28.2 |
| 80×10-15 | 1648 | 1113 | 2136 | 1589 | -32.5 | -25.6 | 30.0 |
| 90×10-15 | 1478 | 1033 | 2019 | 1433 | -30.1 | -29.0 | 27.9 |
| 100×10-15 | 1376 | 955 | 1639 | 1302 | -30.6 | -20.6 | 26.7 |
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