Article(id=1148011761636209522, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1149298831252079541, articleNumber=null, orderNo=null, doi=10.7654/j.issn.2097-1974.20240204, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1638460800000, receivedDateStr=2021-12-03, revisedDate=1659801600000, revisedDateStr=2022-08-07, acceptedDate=null, acceptedDateStr=null, onlineDate=1751636933001, onlineDateStr=2025-07-04, pubDate=1713974400000, pubDateStr=2024-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1751636933001, onlineIssueDateStr=2025-07-04, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1751636933001, creator=13701087609, updateTime=1751636933001, updator=13701087609, issue=Issue{id=1149298831252079541, tenantId=1146029695717560320, journalId=1146119989267898375, year='2024', volume='47', issue='2', pageStart='1', pageEnd='106', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1751943794309, creator=13701087609, updateTime=1754895895552, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1161680841353552315, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1149298831252079541, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1161680841353552316, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1149298831252079541, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=25, endPage=31, ext={EN=ArticleExt(id=1148011761866896256, articleId=1148011761636209522, tenantId=1146029695717560320, journalId=1146119989267898375, language=EN, title=Rocket Engine Fault Detection with Attention based Recurrent Neural Networks, columnId=1154057566893105509, journalTitle=Missiles and Space Vehicles, columnName=Propulsion, runingTitle=null, highlight=null, articleAbstract=
Focusing on the main working phase of liquid rocket engine, with the aid of multivariate non-linear time series analysis, and based on Dual Stage Attention Based Recurrent Neural Networks (DA-RNN), a new time series analysis tool, Convolutional Dual Stage Attention Based Recurrent Neural Networks (CDA-RNN), is proposed, by which a fault trend prediction model is established. Compared with LSTM, DA-RNN, etc, this model shows higher prediction accuracy. Combined with autocorrelation analysis of the prediction residual, a quantitative basis of fault detection is proposed after introducing failure confidence probability. Using hot test data with weak fault to validate the model, result shows that the CDA-RNN model enables robust weak fault muti-parameter detection in unsteady working process. This strategy is so effective that it calls for direct engineering application.
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针对液体火箭发动机主级段工作过程,采用多变量非线性时间序列分析理论,在两级注意力机制循环神经网络(Dual Stage Attention Based Recurrent Neural Networks,DA-RNN)的基础上,提出一种新型时序分析工具——卷积两级注意力机制循环神经网络(Convolutional Dual Stage Attention Based Recurrent Neural Networks, CDA-RNN),从而建立故障趋势预测模型。通过对预测残差进行自相关性分析并定义故障置信概率,提出了故障检测量化依据。利用发生微弱故障的热试车数据进行验证,结果表明,CDA-RNN模型对非稳态工作段微弱故障多参数检测具有良好鲁棒性,该方法十分有效,具有直接应用价值。
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张万旋(1994—),男,博士,工程师,主要研究方向为动力系统总体设计及健康管理。
卢哲(1992—),男,工程师,主要研究方向为机器学习和深度学习。
张箭(1986—),男,高级工程师,主要研究方向为动力系统总体设计。
薛薇(1981—),女,博士,高级工程师,主要研究方向为动力系统总体设计及健康管理。
张楠(1960—),男,博士,研究员,主要研究方向为动力系统总体设计及健康管理。
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卢哲(1992—),男,工程师,主要研究方向为机器学习和深度学习。
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张箭(1986—),男,高级工程师,主要研究方向为动力系统总体设计。
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张箭(1986—),男,高级工程师,主要研究方向为动力系统总体设计。
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张楠(1960—),男,博士,研究员,主要研究方向为动力系统总体设计及健康管理。
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Structure of LSTM, figureFileSmall=p6LJJ/BYhKDSmg0vaufHTw==, figureFileBig=EcNXO2K0emP5gGcoOBP5QA==, tableContent=null), ArticleFig(id=1197274465538196386, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=CN, label=图1, caption=
LSTM结构, figureFileSmall=p6LJJ/BYhKDSmg0vaufHTw==, figureFileBig=EcNXO2K0emP5gGcoOBP5QA==, tableContent=null), ArticleFig(id=1197274467429827493, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=EN, label=Fig. 2, caption=
Structure of sequence to sequence model, figureFileSmall=aIWaCL+ZWzq898akTin7KQ==, figureFileBig=ANHbEITlSE7r3BZPoiyejQ==, tableContent=null), ArticleFig(id=1197274468264493990, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=CN, label=图2, caption=
编码器-解码器结构, figureFileSmall=aIWaCL+ZWzq898akTin7KQ==, figureFileBig=ANHbEITlSE7r3BZPoiyejQ==, tableContent=null), ArticleFig(id=1197274469921244071, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=EN, label=Fig. 3, caption=
Encoder: attention for feature dimension, figureFileSmall=kClSlJql0x7ZZE6Q8uj8DA==, figureFileBig=P2DDtUOS524lw8c3R3EKDA==, tableContent=null), ArticleFig(id=1197274470579749802, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=CN, label=图3, caption=
编码器:特征维度注意力机制, figureFileSmall=kClSlJql0x7ZZE6Q8uj8DA==, figureFileBig=P2DDtUOS524lw8c3R3EKDA==, tableContent=null), ArticleFig(id=1197274471536051114, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=EN, label=Fig. 4, caption=
Decoder: attention for time dimension, figureFileSmall=4/ZWmqPdqC17sVWNCfu9PA==, figureFileBig=NRBoNhYlvqBRRKB4i8UTPw==, tableContent=null), ArticleFig(id=1197274472257471403, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=CN, label=图4, caption=
解码器:时间维度注意力机制, figureFileSmall=4/ZWmqPdqC17sVWNCfu9PA==, figureFileBig=NRBoNhYlvqBRRKB4i8UTPw==, tableContent=null), ArticleFig(id=1197274472458797997, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=EN, label=Fig. 5, caption=
Oxygen turbine pump speed and adaptive threshold, figureFileSmall=QAc0X6HCv5U1C6tNongZSw==, figureFileBig=dOLOp37J/IzIJdGyzxwjFw==, tableContent=null), ArticleFig(id=1197274472865645487, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=CN, label=图5, caption=
氧涡轮泵转速及自适应阈值, figureFileSmall=QAc0X6HCv5U1C6tNongZSw==, figureFileBig=dOLOp37J/IzIJdGyzxwjFw==, tableContent=null), ArticleFig(id=1197274475143152562, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=EN, label=Fig. 6, caption=
Gas generator pressure, hydrogen turbine inlet pressure and adaptive threshold, figureFileSmall=9amAmD0J/HR2TSyVPxjGdQ==, figureFileBig=M29gbWnyNme9non2/TZ1Cw==, tableContent=null), ArticleFig(id=1197274475847795634, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=CN, label=图6, caption=
燃气发生器压力、氢涡轮入口压力及自适应阈值, figureFileSmall=9amAmD0J/HR2TSyVPxjGdQ==, figureFileBig=M29gbWnyNme9non2/TZ1Cw==, tableContent=null), ArticleFig(id=1197274476552438708, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=EN, label=Fig. 7, caption=
Process of fault detection strategy based on CDA-RNN, figureFileSmall=kuTQF598bNJ5N92NcDfHxA==, figureFileBig=6VrY76YkCyQT24TcGBGuOA==, tableContent=null), ArticleFig(id=1197274476766348214, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=CN, label=图7, caption=
基于CDA-RNN的故障检测策略流程, figureFileSmall=kuTQF598bNJ5N92NcDfHxA==, figureFileBig=6VrY76YkCyQT24TcGBGuOA==, tableContent=null), ArticleFig(id=1197274477018006456, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=EN, label=Fig. 8, caption=
Train set, figureFileSmall=Oi3wXA8+Oqs/8p+hLvk6sg==, figureFileBig=KvEsHSTVczAm7MIL+Pjkdg==, tableContent=null), ArticleFig(id=1197274477248693178, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=CN, label=图8, caption=
训练集, figureFileSmall=Oi3wXA8+Oqs/8p+hLvk6sg==, figureFileBig=KvEsHSTVczAm7MIL+Pjkdg==, tableContent=null), ArticleFig(id=1197274478880277436, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=EN, label=Fig. 9, caption=
A1 test normalized oxygen turbine pump speed, figureFileSmall=ShyNZmq+8vmbxnOyLjZLCw==, figureFileBig=O58aoSvCKx0xKvAIzvia5Q==, tableContent=null), ArticleFig(id=1197274479161295806, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=CN, label=图9, caption=
$\mathrm{A}1$次试车归一化氧涡轮泵转速, figureFileSmall=ShyNZmq+8vmbxnOyLjZLCw==, figureFileBig=O58aoSvCKx0xKvAIzvia5Q==, tableContent=null), ArticleFig(id=1197274479836578752, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=EN, label=Fig. 10, caption=
A2 test normalized oxygen turbine pump speed, figureFileSmall=GBBfWgKaBCpNAqtDSyX+lA==, figureFileBig=2YfqNpjkk4atlyiC2PsY2Q==, tableContent=null), ArticleFig(id=1197274480629302208, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=CN, label=图10, caption=
A2次试车归一化氧涡轮泵转速, figureFileSmall=GBBfWgKaBCpNAqtDSyX+lA==, figureFileBig=2YfqNpjkk4atlyiC2PsY2Q==, tableContent=null), ArticleFig(id=1197274481585603521, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=EN, label=Fig. 11, caption=
B1 test normalized gas generator pressure, figureFileSmall=Cm+Y1Y1TnAO0cKTGK1p94A==, figureFileBig=8VOWY3X0jY+ugd0GjvSIDw==, tableContent=null), ArticleFig(id=1197274483225576386, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=CN, label=图11, caption=
B1次试车归一化燃气发生器压力, figureFileSmall=Cm+Y1Y1TnAO0cKTGK1p94A==, figureFileBig=8VOWY3X0jY+ugd0GjvSIDw==, tableContent=null), ArticleFig(id=1197274484144128963, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=EN, label=Fig. 12, caption=
Physical significance of fault confidence probability, figureFileSmall=z8a/HHSCEFf4S9BEkmXOtQ==, figureFileBig=jUlpyFddQwJh0ytmHxpBkw==, tableContent=null), ArticleFig(id=1197274485037515716, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=CN, label=图12, caption=
故障置信概率的物理意义, figureFileSmall=z8a/HHSCEFf4S9BEkmXOtQ==, figureFileBig=jUlpyFddQwJh0ytmHxpBkw==, tableContent=null), ArticleFig(id=1197274485750547397, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=EN, label=Fig. 13, caption=
B1 test fault confidence probability, figureFileSmall=SyaRMdwEPmj8SNpH6mUCxA==, figureFileBig=jQHDxcVqvgn2gYSEAcrMzA==, tableContent=null), ArticleFig(id=1197274486425830342, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=CN, label=图13, caption=
B1次试车故障置信概率, figureFileSmall=SyaRMdwEPmj8SNpH6mUCxA==, figureFileBig=jQHDxcVqvgn2gYSEAcrMzA==, tableContent=null), ArticleFig(id=1197274488283907015, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=EN, label=Tab. 1, caption=
Prediction error of each model in test set, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | no预测(Al/A2) | ${Pg}$预测(B1) |
|---|
| MAE | MSE | MAE | MSE |
|---|
| LSTM | 46.84/50.80 | 3827/4716 | 失效 | 失效 |
| 编码器-解码器LSTM | 45.62/45.78 | 3771/3802 | 0.04257 | 0.003425 |
| DA-RNN | 44.41/44.58 | 3690/3544 | 0.04231 | 0.003383 |
| CDA-RNN | 44.26/42.23 | 3437/3154 | 0.04094 | 0.003118 |
), ArticleFig(id=1197274489093407688, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011761636209522, language=CN, label=表1, caption=
各模型测试集预测误差, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | no预测(Al/A2) | ${Pg}$预测(B1) |
|---|
| MAE | MSE | MAE | MSE |
|---|
| LSTM | 46.84/50.80 | 3827/4716 | 失效 | 失效 |
| 编码器-解码器LSTM | 45.62/45.78 | 3771/3802 | 0.04257 | 0.003425 |
| DA-RNN | 44.41/44.58 | 3690/3544 | 0.04231 | 0.003383 |
| CDA-RNN | 44.26/42.23 | 3437/3154 | 0.04094 | 0.003118 |
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