Article(id=1319293264000307765, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1319293151651676781, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2025.05.012, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1736784000000, receivedDateStr=2025-01-14, revisedDate=1740499200000, revisedDateStr=2025-02-26, acceptedDate=null, acceptedDateStr=null, onlineDate=1792473625420, onlineDateStr=2026-10-20, pubDate=1748534400000, pubDateStr=2025-05-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792473625420, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792473625420, creator=13701087609, updateTime=1792473625420, updator=13701087609, issue=Issue{id=1319293151651676781, tenantId=1146029695717560320, journalId=1316781260334530699, year='2025', volume='53', issue='5', pageStart='1', pageEnd='118', issueExtLink='null', onlineDate='null', pubDate='1748534400000', pubDateStr='2025-05-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792473598634, creator='13701087609', updateTime=1792473598634, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=92, endPage=101, ext={EN=ArticleExt(id=1319293264197440054, articleId=1319293264000307765, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Research on self‑learning monitoring and early warning methods for diaphragm hydrogen compressors based on clustering matrices, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To meet the requirements for stable operation monitoring and safety early warning of 90 MPa diaphragm hydrogen compressors used in hydrogen refueling stations,a self‑learning monitoring and early warning method based on a clustering matrix was proposed.Initially,a moving window method with a window length of 10 was used to group the monitored operational conditions in time series.Then,12 combined statistical indicators were employed to mine the implicit information from 18 monitored parameters.Subsequently,a clustering matrix algorithm was constructed to model and identify the states of the selected 10 monitored parameters.Combining expert experience,a weight matrix was established based on accuracy,recall rate,and time consumption.Considering the long‑term and variable operational characteristics of hydrogen compressors,KL and JS divergences and KS tests are introduced to construct a self‑updating strategy,with thresholds set at 1.0 and 0.3 and a significance level of 0.05.The experimental results show that for over 8 000 data sets in iterative testing,the model's average accuracy recovers from a low of 66.75% to 94.87%,and the average recall rate improves to 90.64%,with a total core computation time of 111.37 s,validating the model's self‑updating capability and sensitivity to data from different operational distributions.This study provides support for the full lifecycle monitoring and early warning of diaphragm hydrogen compressors.
, authors=Bo TAO
1, 2, En CHEN
1, 2, Fudong LI
1, 2, Aoxiang CHENG
1, 2, Yue SHU
1, 2, Zhilong LIU
1, 2, Xiaoming LIU
1, 2, Hengchuan YUAN
1, 2, Wenbo MA
3, authorsList=Bo TAO, En CHEN, Fudong LI, Aoxiang CHENG, Yue SHU, Zhilong LIU, Xiaoming LIU, Hengchuan YUAN, Wenbo MA, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1319293267892621897, articleId=1319293264000307765, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=基于聚类矩阵的隔膜氢气压缩机自学习监测预警方法研究, columnId=1317484300472271469, journalTitle=流体机械, columnName=应用技术, runingTitle=null, highlight=null, articleAbstract=
为了满足加氢站用90 MPa隔膜氢气压缩机的稳定运行监测与安全预警需求,提出了一种基于聚类矩阵的自学习监测预警方法。使用移动滑窗方法,以窗口长度为10,对监测工况时序编组,采用12个组合统计学指标对18种监测参数进行隐含信息挖掘,再构建聚类矩阵算法对筛选的10种监测参数建立模型与识别状态;结合专家经验,基于准确率、召回率与耗时设定权重矩阵。针对氢气压缩机长周期与变工况特点,引入KL,JS散度和KS检验构建自更新策略,阈值为1.0和0.3,显著性水平为0.05。试验结果表明,对于8 000余组数据迭代测试,模型平均准确度从最低点66.75%恢复至94.87%,平均召回率提升至90.64%,核心计算总耗时111.37 s,验证了模型自更新能力与不同工况分布数据的敏感性。本研究为隔膜氢气压缩机全生命周期监测与预警提供支持。
, authors=陶波
1, 2, 陈恩
1, 2, 李芙东
1, 2, 程翱翔
1, 2, 舒悦
1, 2, 刘志龙
1, 2, 刘晓明
1, 2, 袁恒川
1, 2, 马文博
3, authorsList=陶波, 陈恩, 李芙东, 程翱翔, 舒悦, 刘志龙, 刘晓明, 袁恒川, 马文博, authorCompany=null, correspAuthors=null, authorNote=
陶波(1994),男,硕士,主要从事氢能、压缩机等工业领域设备数字孪生技术、监测诊断算法研究与软件研发,通信地址:230031安徽省合肥市长江西路888号合肥通用机械研究院有限公司,E-mail:15129039270@163.com。
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作者向本刊所投稿件一经本刊录用,则该论文的复制权、发行权、信息网络传播权、翻译权、汇编权等权利视为自动转让给本刊。本刊为国内各主要数据库收录期刊,本刊所发表的稿件将同时通过互联网进行网络出版或提供信息服务。, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=6kt2NHDXMr0fZkRn11XlyQ==, magXml=OG2jYi4VSjcpPspqdt9ZSQ==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=Ph3YESAG0t2y57m7On0Dog==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=L8R5WrveVdWE1sDQe091FA==, mapNumber=null, fund=null)}, authors=[Author(id=1319293268374966868, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=15129039270@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1319293268463047255, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, authorId=1319293268374966868, language=EN, stringName=Bo TAO, firstName=Bo, middleName=null, lastName=TAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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陶波(1994),男,硕士,主要从事氢能、压缩机等工业领域设备数字孪生技术、监测诊断算法研究与软件研发,通信地址:230031安徽省合肥市长江西路888号合肥通用机械研究院有限公司,E-mail:15129039270@163.com。
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陶波(1994),男,硕士,主要从事氢能、压缩机等工业领域设备数字孪生技术、监测诊断算法研究与软件研发,通信地址:230031安徽省合肥市长江西路888号合肥通用机械研究院有限公司,E-mail:15129039270@163.com。
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Monitoring and early warning algorithm framework, figureFileSmall=Vux2u2w1QF+o7TniHlivzw==, figureFileBig=Ph3YESAG0t2y57m7On0Dog==, tableContent=null), ArticleFig(id=1319293273676567186, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=CN, label=图1, caption=
监测预警算法框架, figureFileSmall=Vux2u2w1QF+o7TniHlivzw==, figureFileBig=Ph3YESAG0t2y57m7On0Dog==, tableContent=null), ArticleFig(id=1319293273903059603, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=EN, label=Fig.2, caption=
90 MPa diaphragm hydrogen compressor for hydrogen refueling stations, figureFileSmall=6adDyJMFyoY7iYhd5ltZIA==, figureFileBig=Nd+FWlzSMxu+RCEJ6PJt4w==, tableContent=null), ArticleFig(id=1319293273991139988, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=CN, label=图2, caption=
加氢站用90 MPa隔膜氢气压缩机现场, figureFileSmall=6adDyJMFyoY7iYhd5ltZIA==, figureFileBig=Nd+FWlzSMxu+RCEJ6PJt4w==, tableContent=null), ArticleFig(id=1319293274079220373, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=EN, label=Fig.3, caption=
Distribution and classification of monitoring data, figureFileSmall=z4rdt+Ub0pHWHkDfGnB3pw==, figureFileBig=hz2u3Fuac2g8xpSEEGkSSQ==, tableContent=null), ArticleFig(id=1319293274150523542, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=CN, label=图3, caption=
监测工况数据分布及划分, figureFileSmall=z4rdt+Ub0pHWHkDfGnB3pw==, figureFileBig=hz2u3Fuac2g8xpSEEGkSSQ==, tableContent=null), ArticleFig(id=1319293274217632407, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=EN, label=Fig.4, caption=
Identification of test conditions before model self‑update, figureFileSmall=xJSR+d8fxXca/bzMmqeAdA==, figureFileBig=z5l9/FoMEk+lkWbbuVKmqw==, tableContent=null), ArticleFig(id=1319293274284741272, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=CN, label=图4, caption=
模型自更新前对测试工况的识别, figureFileSmall=xJSR+d8fxXca/bzMmqeAdA==, figureFileBig=z5l9/FoMEk+lkWbbuVKmqw==, tableContent=null), ArticleFig(id=1319293274356044441, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=EN, label=Fig.5, caption=
Corrected model identification results, figureFileSmall=2YUcS4iwa1cLfX6Ns+5vlw==, figureFileBig=IcP81Ak6kj4z8vmaQlYNVQ==, tableContent=null), ArticleFig(id=1319293274427347610, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=CN, label=图5, caption=
修正模型识别结果, figureFileSmall=2YUcS4iwa1cLfX6Ns+5vlw==, figureFileBig=IcP81Ak6kj4z8vmaQlYNVQ==, tableContent=null), ArticleFig(id=1319293274507039387, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=EN, label=Fig.6, caption=
Comparison between method models, figureFileSmall=yA86VubJWxawSCtbcvRXIg==, figureFileBig=vTapMXELzAYLT9qeBDnFUA==, tableContent=null), ArticleFig(id=1319293274590925468, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=CN, label=图6, caption=
方法模型对比, figureFileSmall=yA86VubJWxawSCtbcvRXIg==, figureFileBig=vTapMXELzAYLT9qeBDnFUA==, tableContent=null), ArticleFig(id=1319293274666422941, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=EN, label=Fig.7, caption=
Results after model updates, figureFileSmall=9Nsj/AANk7e26+clz/vagg==, figureFileBig=w5kRp7xm+YLIl3TbAbVXgw==, tableContent=null), ArticleFig(id=1319293274737726110, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=CN, label=图7, caption=
模型更新后效果, figureFileSmall=9Nsj/AANk7e26+clz/vagg==, figureFileBig=w5kRp7xm+YLIl3TbAbVXgw==, tableContent=null), ArticleFig(id=1319293276369310367, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=EN, label=Fig.8, caption=
Monitoring and warning based on discharge pressure, figureFileSmall=L/S+g8r2KiZTzgbv8NMYiw==, figureFileBig=wzmlTcrfWVf46WUqlYovbQ==, tableContent=null), ArticleFig(id=1319293276449002144, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=CN, label=图8, caption=
基于排气压力的工况监测与预警, figureFileSmall=L/S+g8r2KiZTzgbv8NMYiw==, figureFileBig=wzmlTcrfWVf46WUqlYovbQ==, tableContent=null), ArticleFig(id=1319293276524499617, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=EN, label=Fig.9, caption=
Model performance evaluation, figureFileSmall=WJk/KrdChD4H+cS9BUs0gA==, figureFileBig=cDGuPsCYywOdSPrgTgBPWg==, tableContent=null), ArticleFig(id=1319293276595802786, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=CN, label=图9, caption=
模型性能评估, figureFileSmall=WJk/KrdChD4H+cS9BUs0gA==, figureFileBig=cDGuPsCYywOdSPrgTgBPWg==, tableContent=null), ArticleFig(id=1319293276662911651, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=EN, label=Tab.1, caption=
Statistical indicators in moving window samples
, figureFileSmall=null, figureFileBig=null, tableContent=
| 符号 | 概念 | 含义 |
|---|
| | 平均值 | 第i个样本中d参数的平均值 |
| | 方差 | 第i个样本中d参数的方差 |
| | 标准差 | 第i个样本中d参数的标准差 |
| | 中位数 | 第i个样本中d参数的中位数 |
| Q1 | 第一四分位数 | 数据集中25%位置的值 |
| Q3 | 第三四分位数 | 数据集中75%位置的值 |
| IQR | 四分位距 | IQR=Q3-Q1 |
| | 偏度 | 数据分布的不对称性 |
| | 峰度 | 数据分布的尖锐程度 |
| Max | 最大值 | 第i个样本中d参数中的最大值 |
| Min | 最小值 | 第i个样本中d参数中的最小值 |
| CV | 变异系数 | 相对离散程度CV=/ |
), ArticleFig(id=1319293276755186340, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=CN, label=表1, caption=
移动滑窗下的统计学计算指标
, figureFileSmall=null, figureFileBig=null, tableContent=
| 符号 | 概念 | 含义 |
|---|
| | 平均值 | 第i个样本中d参数的平均值 |
| | 方差 | 第i个样本中d参数的方差 |
| | 标准差 | 第i个样本中d参数的标准差 |
| | 中位数 | 第i个样本中d参数的中位数 |
| Q1 | 第一四分位数 | 数据集中25%位置的值 |
| Q3 | 第三四分位数 | 数据集中75%位置的值 |
| IQR | 四分位距 | IQR=Q3-Q1 |
| | 偏度 | 数据分布的不对称性 |
| | 峰度 | 数据分布的尖锐程度 |
| Max | 最大值 | 第i个样本中d参数中的最大值 |
| Min | 最小值 | 第i个样本中d参数中的最小值 |
| CV | 变异系数 | 相对离散程度CV=/ |
), ArticleFig(id=1319293276843266725, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=EN, label=Tab.2, caption=
Clustering matrix model
, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法名称 | 矩阵 | 所属 | 时间复杂度 | 空间复杂度 |
|---|
| AffinityPropagation | SAP | 消息传递 | O(N^2*T) | O(N^2) |
| Agglomerative | SAgg | 层次聚类 | O(N^2*logN) | O(N^2) |
| BIRCH | SB | 层次聚类 | O(N) | O(N) |
| DBSCAN | SD | 基于密度 | O(N*logN) | O(N) |
| GMM | SG | 基于概率模型 | O(T*K*N*D^2) | O(K*D^2) |
| Divisive | SDi | 分裂簇层次 | O(N^2*logN) | O(N^2) |
| Kmeans++ | SK | Kmeans | O(T*K*N*D) | O(K*D) |
| MeanShift | SM | 基于密度 | O(N*T*D) | O(N*D) |
| OPTICS | SO | 基于密度 | O(N*logN) | O(N) |
| Spectral | SS | 基于图论 | O(N^2*logN) | O(N^2) |
), ArticleFig(id=1319293276918764198, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=CN, label=表2, caption=
聚类矩阵模型
, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法名称 | 矩阵 | 所属 | 时间复杂度 | 空间复杂度 |
|---|
| AffinityPropagation | SAP | 消息传递 | O(N^2*T) | O(N^2) |
| Agglomerative | SAgg | 层次聚类 | O(N^2*logN) | O(N^2) |
| BIRCH | SB | 层次聚类 | O(N) | O(N) |
| DBSCAN | SD | 基于密度 | O(N*logN) | O(N) |
| GMM | SG | 基于概率模型 | O(T*K*N*D^2) | O(K*D^2) |
| Divisive | SDi | 分裂簇层次 | O(N^2*logN) | O(N^2) |
| Kmeans++ | SK | Kmeans | O(T*K*N*D) | O(K*D) |
| MeanShift | SM | 基于密度 | O(N*T*D) | O(N*D) |
| OPTICS | SO | 基于密度 | O(N*logN) | O(N) |
| Spectral | SS | 基于图论 | O(N^2*logN) | O(N^2) |
), ArticleFig(id=1319293276994261671, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=EN, label=Tab.3, caption=
Monitoring parameter range (partial)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 监测参数 | 数据范围 |
|---|
| G1 | 进气压力/MPa | 6.730 27~14.721 4 |
| G2 | 排气压力/MPa | 68.089 3~97.259 2 |
| G3 | 级间压力/MPa | 18.346 1~32.276 9 |
| G4 | 压缩机流量/(m3⋅h-1) | 316.348 8~510.028 |
| G5 | 进气温度/℃ | 9.178 04~19.495 4 |
| G6 | 一级排气冷却前温度/℃ | 81.246~121.078 |
| G7 | 一级排气冷却后温度/℃ | 14.196 6~33.493 1 |
| G8 | 二级排气冷却前温度/℃ | 122.073~147.889 |
| G9 | 二级排气冷却后温度/℃ | 16.158 8~53.648 6 |
| G10 | 进水温度/℃ | 15.598 2~24.441 6 |
| G11 | 回水温度/℃ | 14.332 2~31.580 6 |
| G12 | 一级轴瓦温度/℃ | 43.105 4~46.004 |
| G13 | 二级轴瓦温度/℃ | 43.105 5~45.824 6 |
| G14 | 冷却器温度/℃ | 6.972 4~34.236 1 |
| G15 | 一级油缸压力/MPa | 29.603 9~43.097 |
| G16 | 二级油缸压力/MPa | 80.076 7~106.29 |
| G17 | 润滑油压力/MPa | 0.363 36~0.480 615 |
| G18 | 润滑油温度/℃ | 28.642 7~33.756 9 |
), ArticleFig(id=1319293277094924968, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=CN, label=表3, caption=
监测参数范围(部分)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 监测参数 | 数据范围 |
|---|
| G1 | 进气压力/MPa | 6.730 27~14.721 4 |
| G2 | 排气压力/MPa | 68.089 3~97.259 2 |
| G3 | 级间压力/MPa | 18.346 1~32.276 9 |
| G4 | 压缩机流量/(m3⋅h-1) | 316.348 8~510.028 |
| G5 | 进气温度/℃ | 9.178 04~19.495 4 |
| G6 | 一级排气冷却前温度/℃ | 81.246~121.078 |
| G7 | 一级排气冷却后温度/℃ | 14.196 6~33.493 1 |
| G8 | 二级排气冷却前温度/℃ | 122.073~147.889 |
| G9 | 二级排气冷却后温度/℃ | 16.158 8~53.648 6 |
| G10 | 进水温度/℃ | 15.598 2~24.441 6 |
| G11 | 回水温度/℃ | 14.332 2~31.580 6 |
| G12 | 一级轴瓦温度/℃ | 43.105 4~46.004 |
| G13 | 二级轴瓦温度/℃ | 43.105 5~45.824 6 |
| G14 | 冷却器温度/℃ | 6.972 4~34.236 1 |
| G15 | 一级油缸压力/MPa | 29.603 9~43.097 |
| G16 | 二级油缸压力/MPa | 80.076 7~106.29 |
| G17 | 润滑油压力/MPa | 0.363 36~0.480 615 |
| G18 | 润滑油温度/℃ | 28.642 7~33.756 9 |
), ArticleFig(id=1319293277174616745, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=EN, label=Tab.4, caption=
Classification basis for operating conditions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 分类 | 参数表现 | 设备表现与偏离判定 |
|---|
正常 运行 | 进排气压力、温度、压比、流量等稳定 | (1)设备在设计进气压力、温度条件下,出口压力、温度与流量总体保持稳定,满足后端用气需求; (2)两级压比贴近设计值1∶3∶5,隔膜片、随动阀膜片均无明显长期拍缸。 |
偏离 预警 | 前述参数基础上增加:进回水温度,油缸温度与压力;所列参数出现偏离 | (1)进排气压力偏离正常区间,压比出现偏离设计点,隔膜片、随动阀膜片出现拍缸,诱发膜片破裂或缩短寿命;(2)进排气温度偏离,进回水温度异常,冷却系统可能故障,在进气侧影响O型圈密封寿命,在排气侧不满足后续设备用氢需求;(3)润滑油温度偏高,表明摩擦副出现偏磨,将导致密封性能下降,减少填料寿命,加速润滑油老化;(4)油缸压力短暂波动,未匹配前端供气或后端用气需求,诱发膜片拍缸,冲击膜片降低使用寿命。 |
严重 偏离 | 前述参数基础上增加:氢探,火探报警;参数长期或严重偏离 | (1)进排气压力、压比严重偏离设计工况,隔膜片的破裂风险显著增大;前后端气路可能出现明显状态变化,气路阻塞或调压阀故障;(2)进回水温度过高,对于进气端可能引发O型圈受损烧坏,对于后端用氢设备可能触发停机保护;(3)润滑油温度过低或高温,持续高温摩擦副可能硬接触磨损,持续过低表明加热系统工作异常,低于-15 ℃或长期高于65 ℃,导致系统内润滑润滑不足,加剧磨损;(4)油缸压力不足或者过高,油泵失效或调压阀异常,膜片两侧压差波动过大,加剧破裂风险;(5)氢探、火探报警,现场发生氢气泄漏或火情。 |
), ArticleFig(id=1319293277258502826, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=CN, label=表4, caption=
运行工况分类依据
, figureFileSmall=null, figureFileBig=null, tableContent=
| 分类 | 参数表现 | 设备表现与偏离判定 |
|---|
正常 运行 | 进排气压力、温度、压比、流量等稳定 | (1)设备在设计进气压力、温度条件下,出口压力、温度与流量总体保持稳定,满足后端用气需求; (2)两级压比贴近设计值1∶3∶5,隔膜片、随动阀膜片均无明显长期拍缸。 |
偏离 预警 | 前述参数基础上增加:进回水温度,油缸温度与压力;所列参数出现偏离 | (1)进排气压力偏离正常区间,压比出现偏离设计点,隔膜片、随动阀膜片出现拍缸,诱发膜片破裂或缩短寿命;(2)进排气温度偏离,进回水温度异常,冷却系统可能故障,在进气侧影响O型圈密封寿命,在排气侧不满足后续设备用氢需求;(3)润滑油温度偏高,表明摩擦副出现偏磨,将导致密封性能下降,减少填料寿命,加速润滑油老化;(4)油缸压力短暂波动,未匹配前端供气或后端用气需求,诱发膜片拍缸,冲击膜片降低使用寿命。 |
严重 偏离 | 前述参数基础上增加:氢探,火探报警;参数长期或严重偏离 | (1)进排气压力、压比严重偏离设计工况,隔膜片的破裂风险显著增大;前后端气路可能出现明显状态变化,气路阻塞或调压阀故障;(2)进回水温度过高,对于进气端可能引发O型圈受损烧坏,对于后端用氢设备可能触发停机保护;(3)润滑油温度过低或高温,持续高温摩擦副可能硬接触磨损,持续过低表明加热系统工作异常,低于-15 ℃或长期高于65 ℃,导致系统内润滑润滑不足,加剧磨损;(4)油缸压力不足或者过高,油泵失效或调压阀异常,膜片两侧压差波动过大,加剧破裂风险;(5)氢探、火探报警,现场发生氢气泄漏或火情。 |
), ArticleFig(id=1319293277334000299, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=EN, label=Tab.5, caption=
Processing results for number 1 500 window (partial)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | G1 | G2 | … | G17 | G18 |
|---|
| Mean | 13.047 | 89.620 | … | 0.475 | 32.982 |
| Var | 2.946×10-5 | 2.678×10-5 | … | 1.586×10-7 | 9.3×10-4 |
| Std | 5.427×10-3 | 1.636 | … | 3.98×10-4 | 0.031 |
| Median | 13.047 | 89.642 | … | 0.475 341 | 32.975 |
| Q1 | 13.044 | 88.712 | … | 0.475 124 | 32.962 |
| Q3 | 13.049 | 90.113 | … | 0.475 848 | 32.994 |
| IQR | 5.425×10-3 | 1.401 | … | 7.240×10-4 | 0.032 |
| Skewness | 0.234 | 0.594 | … | 0.678 | 0.506 |
| Kurtosis | -0.876 | -0.277 | … | -0.541 | -0.912 |
| Max | 13.059 | 93.210 | … | 0.476 | 33.038 |
| Min | 13.040 | 87.129 | … | 0.475 | 32.937 |
| CV | 4.160×10-4 | 0.018 | … | 8.370×10-4 | 9.25×10-4 |
), ArticleFig(id=1319293277417886380, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=CN, label=表5, caption=
第1 500窗口处理结果(部分)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | G1 | G2 | … | G17 | G18 |
|---|
| Mean | 13.047 | 89.620 | … | 0.475 | 32.982 |
| Var | 2.946×10-5 | 2.678×10-5 | … | 1.586×10-7 | 9.3×10-4 |
| Std | 5.427×10-3 | 1.636 | … | 3.98×10-4 | 0.031 |
| Median | 13.047 | 89.642 | … | 0.475 341 | 32.975 |
| Q1 | 13.044 | 88.712 | … | 0.475 124 | 32.962 |
| Q3 | 13.049 | 90.113 | … | 0.475 848 | 32.994 |
| IQR | 5.425×10-3 | 1.401 | … | 7.240×10-4 | 0.032 |
| Skewness | 0.234 | 0.594 | … | 0.678 | 0.506 |
| Kurtosis | -0.876 | -0.277 | … | -0.541 | -0.912 |
| Max | 13.059 | 93.210 | … | 0.476 | 33.038 |
| Min | 13.040 | 87.129 | … | 0.475 | 32.937 |
| CV | 4.160×10-4 | 0.018 | … | 8.370×10-4 | 9.25×10-4 |
), ArticleFig(id=1319293277489189549, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=EN, label=Tab.6, caption=
Initial model construction based on the first 1 000 sets of data
, figureFileSmall=null, figureFileBig=null, tableContent=
| 矩阵 | 簇 | 准确率/% | 召回率/% | 耗时/s | F1分数 | 耗时得分 | 综合评分 | 权重 |
|---|
| SAP | 50 | 93.3 | 94.2 | 0.024 095 | 93.747 84 | 98.973 6 | 95.315 57 | 0.107 5 |
| SAgg | 5 | 97.5 | 97.3 | 0.029 798 | 97.399 9 | 98.730 7 | 97.799 14 | 0.110 301 |
| SB | 5 | 94.2 | 55.2 | 0.048 053 | 69.609 64 | 97.953 05 | 78.112 66 | 0.088 098 |
| SD | 50 | 97.4 | 97.3 | 1.123 091 | 97.349 97 | 52.159 2 | 83.792 74 | 0.094 504 |
| SG | 36 | 95.5 | 95.4 | 0.009 513 | 95.449 97 | 99.594 79 | 96.693 42 | 0.109 054 |
| SDi | 8 | 93 | 93.9 | 2.347 559 | 93.447 83 | 0 | 65.413 48 | 0.073 776 |
| SK | 5 | 94.4 | 66.7 | 0.056 006 | 78.168 59 | 97.614 28 | 84.002 3 | 0.094 741 |
| SM | 37 | 96.7 | 96.6 | 0.332 371 | 96.649 97 | 85.841 86 | 93.407 54 | 0.105 348 |
| SO | 300 | 95.9 | 95.7 | 0.020 176 | 95.799 9 | 99.140 56 | 96.802 09 | 0.109 177 |
| SS | 5 | 93.3 | 94.2 | 0.024 095 | 93.747 84 | 98.973 6 | 95.315 57 | 0.107 5 |
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基于前1 000组数据构建初始模型
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| 矩阵 | 簇 | 准确率/% | 召回率/% | 耗时/s | F1分数 | 耗时得分 | 综合评分 | 权重 |
|---|
| SAP | 50 | 93.3 | 94.2 | 0.024 095 | 93.747 84 | 98.973 6 | 95.315 57 | 0.107 5 |
| SAgg | 5 | 97.5 | 97.3 | 0.029 798 | 97.399 9 | 98.730 7 | 97.799 14 | 0.110 301 |
| SB | 5 | 94.2 | 55.2 | 0.048 053 | 69.609 64 | 97.953 05 | 78.112 66 | 0.088 098 |
| SD | 50 | 97.4 | 97.3 | 1.123 091 | 97.349 97 | 52.159 2 | 83.792 74 | 0.094 504 |
| SG | 36 | 95.5 | 95.4 | 0.009 513 | 95.449 97 | 99.594 79 | 96.693 42 | 0.109 054 |
| SDi | 8 | 93 | 93.9 | 2.347 559 | 93.447 83 | 0 | 65.413 48 | 0.073 776 |
| SK | 5 | 94.4 | 66.7 | 0.056 006 | 78.168 59 | 97.614 28 | 84.002 3 | 0.094 741 |
| SM | 37 | 96.7 | 96.6 | 0.332 371 | 96.649 97 | 85.841 86 | 93.407 54 | 0.105 348 |
| SO | 300 | 95.9 | 95.7 | 0.020 176 | 95.799 9 | 99.140 56 | 96.802 09 | 0.109 177 |
| SS | 5 | 93.3 | 94.2 | 0.024 095 | 93.747 84 | 98.973 6 | 95.315 57 | 0.107 5 |
), ArticleFig(id=1319293277686321839, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=EN, label=Tab.7, caption=
Distribution differences based on divergence metrics
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| 参数 | KL散度 | JS散度 | 差异度 |
|---|
| 二级轴瓦温度 | 1.791 759 | 0.453 913 | 差异较大 |
| 润滑油压力 | 1.671 569 | 0.430 624 | 差异较大 |
| 排气压力 | 1.451 982 | 0.385 797 | 差异较大 |
| 进气压力 | 1.399 644 | 0.376 307 | 差异较大 |
| 二级排气温度 | 1.266 741 | 0.334 646 | 差异较大 |
| 一级排气温度 | 1.055 306 | 0.298 941 | 差异较大 |
| 润滑油温度 | 0.892 096 | 0.234 592 | 有一定差异 |
| 一级轴瓦温度 | 0.815 121 | 0.233 773 | 有一定差异 |
| 冷却器温度 | 0.506 584 | 0.135 573 | 有一定差异 |
), ArticleFig(id=1319293277761819312, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=CN, label=表7, caption=
基于散度的分布差异判别
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| 参数 | KL散度 | JS散度 | 差异度 |
|---|
| 二级轴瓦温度 | 1.791 759 | 0.453 913 | 差异较大 |
| 润滑油压力 | 1.671 569 | 0.430 624 | 差异较大 |
| 排气压力 | 1.451 982 | 0.385 797 | 差异较大 |
| 进气压力 | 1.399 644 | 0.376 307 | 差异较大 |
| 二级排气温度 | 1.266 741 | 0.334 646 | 差异较大 |
| 一级排气温度 | 1.055 306 | 0.298 941 | 差异较大 |
| 润滑油温度 | 0.892 096 | 0.234 592 | 有一定差异 |
| 一级轴瓦温度 | 0.815 121 | 0.233 773 | 有一定差异 |
| 冷却器温度 | 0.506 584 | 0.135 573 | 有一定差异 |
), ArticleFig(id=1319293277854094001, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=EN, label=Tab.8, caption=
Distribution differences based on KS
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | KS检验 | 显著性 | 差异度 |
|---|
| 二级轴瓦温度 | 0.054 3 | 0.236 1 | 无显著差异 |
| 润滑油压力 | 0.158 6 | 0 | 差异显著 |
| 排气压力 | 0.320 1 | 0 | 差异显著 |
| 润滑油温度 | 0.326 4 | 0 | 差异显著 |
| 冷却器温度 | 0.367 9 | 0 | 差异显著 |
| 一级轴瓦温度 | 0.538 0 | 0 | 差异显著 |
| 一级排气温度 | 0.568 6 | 0 | 差异显著 |
| 进气压力 | 0.703 3 | 0 | 差异显著 |
| 二级排气温度 | 0.784 6 | 0 | 差异显著 |
), ArticleFig(id=1319293277942174386, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293264000307765, language=CN, label=表8, caption=
基于KS检验的分布差异判别
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | KS检验 | 显著性 | 差异度 |
|---|
| 二级轴瓦温度 | 0.054 3 | 0.236 1 | 无显著差异 |
| 润滑油压力 | 0.158 6 | 0 | 差异显著 |
| 排气压力 | 0.320 1 | 0 | 差异显著 |
| 润滑油温度 | 0.326 4 | 0 | 差异显著 |
| 冷却器温度 | 0.367 9 | 0 | 差异显著 |
| 一级轴瓦温度 | 0.538 0 | 0 | 差异显著 |
| 一级排气温度 | 0.568 6 | 0 | 差异显著 |
| 进气压力 | 0.703 3 | 0 | 差异显著 |
| 二级排气温度 | 0.784 6 | 0 | 差异显著 |
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