Article(id=1276896715483513644, tenantId=1146029695717560320, journalId=1276577754012160025, issueId=1276896661737701828, articleNumber=null, orderNo=null, doi=10.3724/j.gyjzG26031308, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1773331200000, receivedDateStr=2026-03-13, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1782365500565, onlineDateStr=2026-06-25, pubDate=1779206400000, pubDateStr=2026-05-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1782365500565, onlineIssueDateStr=2026-06-25, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1782365500565, creator=13701087609, updateTime=1782365500565, updator=13701087609, issue=Issue{id=1276896661737701828, tenantId=1146029695717560320, journalId=1276577754012160025, year='2026', volume='56', issue='5', pageStart='1', pageEnd='264', issueExtLink='null', onlineDate='null', pubDate='1779206400000', pubDateStr='2026-05-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1782365487751, creator='13701087609', updateTime=1782367237543, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1276904000968589318, tenantId=1146029695717560320, journalId=1276577754012160025, issueId=1276896661737701828, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1276904000968589319, tenantId=1146029695717560320, journalId=1276577754012160025, issueId=1276896661737701828, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=176, endPage=186, ext={EN=ArticleExt(id=1276896715697423150, articleId=1276896715483513644, tenantId=1146029695717560320, journalId=1276577754012160025, language=EN, title=Deep Learning-Based Imputation of Multi-Source Missing Data for Offshore Wind Turbines, columnId=null, journalTitle=Industrial Construction, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To address the problem of missing multi-source monitoring data of offshore wind turbines caused by sensor failures or communication interruptions under harsh operating conditions, this paper proposes a novel imputation model based on a multi-head gated residual network. This method achieves collaborative fusion of supervisory control and data acquisition (SCADA) data and structural vibration monitoring data through feature concatenation, employs a gated residual network to extract deep nonlinear coupling features, and uses a multi-head parallel output architecture for the independent reconstruction of these two heterogeneous data types. During the training stage, a dynamic masking mechanism combined with a hybrid loss function is adopted to enhance the model’s adaptability to complex aerodynamic operating conditions. Validated with field data from a 10 MW offshore wind turbine, the proposed model achieved a high coefficient of determination under training conditions, enabling accurate reconstruction of missing multi-source data. In generalization tests for non-training periods, although the coefficient of determination of the model’s predictions fluctuated slightly, the model still effectively captured the overall trends of monitoring signals. Notably, the degradation in generalization performance for vibration data was less pronounced than that for SCADA data, demonstrating its greater stability. The proposed method can significantly improve the completeness and reliability of multi-source monitoring data for wind turbines and holds considerable potential for engineering applications.
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针对海上风电机组在恶劣工况下因传感器失效或通信中断引发的多源监测数据缺失问题,构建了一种基于多头门控残差网络的填补模型。该方法通过特征级联将数据采集与监视控制系统(SCADA)数据和结构振动监测数据进行协同融合,并引入门控残差网络提取深度非线性耦合特征;同时设计出多头并行输出结构,实现对两类异构数据的独立重建。训练阶段采用动态掩码机制与混合损失函数,以增强模型对复杂气动工况的适应能力。基于某10 MW海上风电机组实测数据的验证结果显示,该模型在训练工况下具有较高的决定系数,能够实现多源缺失数据的精准重构。在面向非训练时段的泛化测试中,模型预测的决定系数虽略有波动,但仍能有效捕捉信号整体变化趋势;尤其对振动类数据,其泛化性能衰减幅度小于SCADA数据,展现出更强的稳定性。该方法可显著提升风机多源监测数据的完整性与可靠性,具备良好的工程应用前景。
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2北京科技大学未来城市学院/城镇化与城市安全研究院,北京100083)]), AuthorCompany(id=1276896719535211338, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, xref=3, ext=[AuthorCompanyExt(id=1276896719543599947, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, companyId=1276896719535211338, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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模型训练策略流程, figureFileSmall=aBBfKScPaFtVfNVcA0Zssg==, figureFileBig=xQrpDnu3DsiRvoLKNZ3Bww==, tableContent=null), ArticleFig(id=1276896732046820216, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=EN, label=Fig.3, caption=
Data acquisition equipment and measured curves, figureFileSmall=FtQxROA548wpiFRlXol1lQ==, figureFileBig=QiCU3ka8ZuFPJrS4Yn0QbQ==, tableContent=null), ArticleFig(id=1276896732118123385, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=CN, label=图3, caption=
采集设备与所得曲线, figureFileSmall=FtQxROA548wpiFRlXol1lQ==, figureFileBig=QiCU3ka8ZuFPJrS4Yn0QbQ==, tableContent=null), ArticleFig(id=1276896732189426554, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=EN, label=Fig.4, caption=
Correlation matrix of 120 feature parameters, figureFileSmall=NOWKNfznCIbsaq0v+jDn8w==, figureFileBig=P4IsVlMzkAEE5/whSFp/xg==, tableContent=null), ArticleFig(id=1276896732478833531, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=CN, label=图4, caption=
120项特征参数相关性图, figureFileSmall=NOWKNfznCIbsaq0v+jDn8w==, figureFileBig=P4IsVlMzkAEE5/whSFp/xg==, tableContent=null), ArticleFig(id=1276896732592079740, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=EN, label=Fig.5, caption=
Correlation matrix of 20 feature parameters, figureFileSmall=TpOCTPxdOsVlHIOT+/f2ug==, figureFileBig=Ed4OJyhIlvd7+JFm18hSVw==, tableContent=null), ArticleFig(id=1276896732667577213, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=CN, label=图5, caption=
20项特征参数相关性, figureFileSmall=TpOCTPxdOsVlHIOT+/f2ug==, figureFileBig=Ed4OJyhIlvd7+JFm18hSVw==, tableContent=null), ArticleFig(id=1276896732906652542, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=EN, label=Fig.6, caption=
Comparison of predicted and observed values of the SCADA system, figureFileSmall=992GwhQnySxZwMvMf/yJtw==, figureFileBig=f3HXQV+oxZt2xSs1LAPFaw==, tableContent=null), ArticleFig(id=1276896732998927231, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=CN, label=图6, caption=
SCADA系统的预测值和观测值的比较, figureFileSmall=992GwhQnySxZwMvMf/yJtw==, figureFileBig=f3HXQV+oxZt2xSs1LAPFaw==, tableContent=null), ArticleFig(id=1276896733305111424, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=EN, label=Fig.7, caption=
Comparison of predicted and observed values of the vibration system, figureFileSmall=o9hQbvmvsZVIy0tf3goK9g==, figureFileBig=ZkX9yIdnqR0Pbmlb4g8Orw==, tableContent=null), ArticleFig(id=1276896733388997505, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=CN, label=图7, caption=
振动系统的预测值和观测值比较, figureFileSmall=o9hQbvmvsZVIy0tf3goK9g==, figureFileBig=ZkX9yIdnqR0Pbmlb4g8Orw==, tableContent=null), ArticleFig(id=1276896733745513346, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=EN, label=Fig.8, caption=
Comparison of predicted and observed values for non-training periods, figureFileSmall=UcYxnS3fs1VG+l279aBguw==, figureFileBig=4Oja3jKUXHyH2mxtdDWG7A==, tableContent=null), ArticleFig(id=1276896733837788035, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=CN, label=图8, caption=
非训练日期的预测值和观测值比较, figureFileSmall=UcYxnS3fs1VG+l279aBguw==, figureFileBig=4Oja3jKUXHyH2mxtdDWG7A==, tableContent=null), ArticleFig(id=1276896733892313988, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=EN, label=Table 1, caption=
Network layer settings for missing data imputation
, figureFileSmall=null, figureFileBig=null, tableContent=
| 网络层 | 参数 | 网络层 | 参数 |
|---|
| 输入层 | 2×N(特征+掩码) | 丢弃层 | 0.15 |
| 全连接层 | 768 | 层归一化 | Standard |
| 激活函数 | 0.01 | 初始学习率 | 1.0×10-3 |
| 门控激活 | Sigmoid | 最小学习率 | 1.0×10-6 |
| GRN模块数 | 8 | 最大迭代轮次 | 1500 |
| 输出头全连接层 | 256 | 批次大小 | 1024 |
| Vib输出层 | 50 | 权重衰减 | 1.0×10-4 |
| SCADA输出层 | 41 | Adam 优化器 | β1=0.9, β2=0.999 |
), ArticleFig(id=1276896734169138053, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=CN, label=表1, caption=
缺失数据填充网络层设置
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| 网络层 | 参数 | 网络层 | 参数 |
|---|
| 输入层 | 2×N(特征+掩码) | 丢弃层 | 0.15 |
| 全连接层 | 768 | 层归一化 | Standard |
| 激活函数 | 0.01 | 初始学习率 | 1.0×10-3 |
| 门控激活 | Sigmoid | 最小学习率 | 1.0×10-6 |
| GRN模块数 | 8 | 最大迭代轮次 | 1500 |
| 输出头全连接层 | 256 | 批次大小 | 1024 |
| Vib输出层 | 50 | 权重衰减 | 1.0×10-4 |
| SCADA输出层 | 41 | Adam 优化器 | β1=0.9, β2=0.999 |
), ArticleFig(id=1276896734605345670, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=EN, label=Table 2, caption=
Physically derived feature variables
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| 变量类别 | 衍生变量名称 | 数量 |
|---|
| 总计 | | 10 |
| 气动能量因子 | 风速平方 (v2) | 1 |
| 角度连续化编码 | 风向正余弦、偏航角正余弦、偏航误差正余弦(sinθwd, cosθwd) | 6 |
| 向量交互特征 | 风速-风向耦合分量 (v⋅sinθwd, v⋅cosθwd) | 2 |
| 基准参考量 | 归一化参考风速 (vref) | 1 |
), ArticleFig(id=1276896734995415943, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=CN, label=表2, caption=
物理衍生特征变量
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| 变量类别 | 衍生变量名称 | 数量 |
|---|
| 总计 | | 10 |
| 气动能量因子 | 风速平方 (v2) | 1 |
| 角度连续化编码 | 风向正余弦、偏航角正余弦、偏航误差正余弦(sinθwd, cosθwd) | 6 |
| 向量交互特征 | 风速-风向耦合分量 (v⋅sinθwd, v⋅cosθwd) | 2 |
| 基准参考量 | 归一化参考风速 (vref) | 1 |
), ArticleFig(id=1276896736715080584, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=EN, label=Table 3, caption=
Selected feature parameters
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| 参数名称 | 单位 | 参数名称 | 单位 | 参数名称 | 单位 |
|---|
| 功率曲线风速 | m/s | 机舱内部温度 | ℃ | 有功功率 | kW |
| 瞬时风速 | m/s | 机舱外部温度 | ℃ | 无功功率 | kW |
| 30 s平均风速 | m/s | 轮毂内部温度 | ℃ | 电网A相电压 | V |
| 10 min平均风速 | m/s | 发电机定子绕组温度 | ℃ | 电网B相电压 | V |
| 转子转速 | m/s | 变流器冷却介质温度 | ℃ | 电网C相电压 | V |
| 发电机转速 | m/s | 左内循环入口温度 | ℃ | 电网A相电流 | kA |
| 主轴转速 | m/s | 机舱内部湿度 | % | 电网B相电流 | kA |
| 塔筒前后振动位移 | m | 桨叶角度A | (°) | 电网C相电流 | kA |
| 塔筒侧向振动位移 | m | 桨叶角度B | (°) | 总有功发电量 | kW·h |
| 绝对风向 | | 桨叶角度C | (°) | | |
| 机舱绝对位置 | | 转子方位角编码器值 | (°) | | |
), ArticleFig(id=1276896737151288201, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=CN, label=表3, caption=
筛选后的特征参数
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| 参数名称 | 单位 | 参数名称 | 单位 | 参数名称 | 单位 |
|---|
| 功率曲线风速 | m/s | 机舱内部温度 | ℃ | 有功功率 | kW |
| 瞬时风速 | m/s | 机舱外部温度 | ℃ | 无功功率 | kW |
| 30 s平均风速 | m/s | 轮毂内部温度 | ℃ | 电网A相电压 | V |
| 10 min平均风速 | m/s | 发电机定子绕组温度 | ℃ | 电网B相电压 | V |
| 转子转速 | m/s | 变流器冷却介质温度 | ℃ | 电网C相电压 | V |
| 发电机转速 | m/s | 左内循环入口温度 | ℃ | 电网A相电流 | kA |
| 主轴转速 | m/s | 机舱内部湿度 | % | 电网B相电流 | kA |
| 塔筒前后振动位移 | m | 桨叶角度A | (°) | 电网C相电流 | kA |
| 塔筒侧向振动位移 | m | 桨叶角度B | (°) | 总有功发电量 | kW·h |
| 绝对风向 | | 桨叶角度C | (°) | | |
| 机舱绝对位置 | | 转子方位角编码器值 | (°) | | |
), ArticleFig(id=1276896737595884426, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=EN, label=Table 4, caption=
Prediction Performance metrics of the proposed model
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| 参数 | R² | RMSE | MAPE/% |
|---|
| 发电机转速 | 0.9949±0.0126 | 0.0468±0.0005 | 0.5504±0.2074 |
| 电网A相电流 | 0.9921±0.0008 | 0.0229±0.0004 | 2.2317±0.4207 |
| 有功功率 | 0.9917±0.0018 | 0.0289±0.0007 | 2.8296±0.3301 |
| 电网B相电压 | 0.9874±0.0008 | 0.0310±0.0002 | 0.1164±0.0425 |
| C1均方根值 | 0.9757±0.0054 | 0.0114±0.0003 | 8.0789±0.2105 |
| D1平均绝对值 | 0.9725±0.0122 | 0.0097±0.0001 | 8.9481±0.3117 |
| A2主频率 | 0.9237±0.0054 | 0.0214±0.0002 | 13.701±0.4384 |
), ArticleFig(id=1276896738002731915, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=CN, label=表4, caption=
模型预测性能指标
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | R² | RMSE | MAPE/% |
|---|
| 发电机转速 | 0.9949±0.0126 | 0.0468±0.0005 | 0.5504±0.2074 |
| 电网A相电流 | 0.9921±0.0008 | 0.0229±0.0004 | 2.2317±0.4207 |
| 有功功率 | 0.9917±0.0018 | 0.0289±0.0007 | 2.8296±0.3301 |
| 电网B相电压 | 0.9874±0.0008 | 0.0310±0.0002 | 0.1164±0.0425 |
| C1均方根值 | 0.9757±0.0054 | 0.0114±0.0003 | 8.0789±0.2105 |
| D1平均绝对值 | 0.9725±0.0122 | 0.0097±0.0001 | 8.9481±0.3117 |
| A2主频率 | 0.9237±0.0054 | 0.0214±0.0002 | 13.701±0.4384 |
), ArticleFig(id=1276896738430550924, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=EN, label=Table 5, caption=
Comparative performance metrics of models
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| 参数 | R² | RMSE | MAPE/% |
|---|
| 发电机转速(LI) | 0.9521±0.0234 | 0.0812±0.0012 | 1.8420±0.4125 |
| 电网A相电流(LI) | 0.9315±0.0187 | 0.0654±0.0021 | 5.8741±0.6542 |
| C1均方根值(LI) | 0.8423±0.0315 | 0.0354±0.0015 | 15.421±1.0245 |
| D1平均绝对值(LI) | 0.8214±0.0421 | 0.0287±0.0018 | 16.874±1.2451 |
| 发电机转速(RFR) | 0.9103±0.0000 | 0.1245±0.0000 | 3.1254±0.0000 |
| 电网A相电流(RFR) | 0.8842±0.0000 | 0.0912±0.0000 | 8.9412±0.0000 |
| C1均方根值(RFR) | 0.7154±0.0000 | 0.0512±0.0000 | 22.147±0.0000 |
| D1平均绝对值(RFR) | 0.6841±0.0000 | 0.0421±0.0000 | 25.412±0.0000 |
), ArticleFig(id=1276896738497659789, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=CN, label=表5, caption=
模型对比性能指标
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| 参数 | R² | RMSE | MAPE/% |
|---|
| 发电机转速(LI) | 0.9521±0.0234 | 0.0812±0.0012 | 1.8420±0.4125 |
| 电网A相电流(LI) | 0.9315±0.0187 | 0.0654±0.0021 | 5.8741±0.6542 |
| C1均方根值(LI) | 0.8423±0.0315 | 0.0354±0.0015 | 15.421±1.0245 |
| D1平均绝对值(LI) | 0.8214±0.0421 | 0.0287±0.0018 | 16.874±1.2451 |
| 发电机转速(RFR) | 0.9103±0.0000 | 0.1245±0.0000 | 3.1254±0.0000 |
| 电网A相电流(RFR) | 0.8842±0.0000 | 0.0912±0.0000 | 8.9412±0.0000 |
| C1均方根值(RFR) | 0.7154±0.0000 | 0.0512±0.0000 | 22.147±0.0000 |
| D1平均绝对值(RFR) | 0.6841±0.0000 | 0.0421±0.0000 | 25.412±0.0000 |
), ArticleFig(id=1276896739244245902, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=EN, label=Table 6, caption=
Generalization performance metrics of the proposed model
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| 参数 | R² | RMSE | MAPE/% |
|---|
| C1均方根值 | 0.9681±0.0007 | 0.0184±0.0003 | 11.0604±0.1416 |
| A1平均绝对值 | 0.9347±0.0014 | 0.0256±0.0002 | 22.6520±0.3095 |
| D1主频率 | 0.9332±0.0017 | 0.0238±0.0003 | 17.4078±0.1439 |
| 电网B相电压 | 0.9548±0.0006 | 0.0403±0.0003 | 7.2971± 0.0795 |
| 功率曲线风速 | 0.8923±0.0017 | 0.0671±0.0005 | 21.7703±0.3011 |
| 瞬时风速 | 0.8703±0.0021 | 0.0744±0.0007 | 18.5450±0.2591 |
), ArticleFig(id=1276896741341397903, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896715483513644, language=CN, label=表6, caption=
模型泛化性能指标
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| 参数 | R² | RMSE | MAPE/% |
|---|
| C1均方根值 | 0.9681±0.0007 | 0.0184±0.0003 | 11.0604±0.1416 |
| A1平均绝对值 | 0.9347±0.0014 | 0.0256±0.0002 | 22.6520±0.3095 |
| D1主频率 | 0.9332±0.0017 | 0.0238±0.0003 | 17.4078±0.1439 |
| 电网B相电压 | 0.9548±0.0006 | 0.0403±0.0003 | 7.2971± 0.0795 |
| 功率曲线风速 | 0.8923±0.0017 | 0.0671±0.0005 | 21.7703±0.3011 |
| 瞬时风速 | 0.8703±0.0021 | 0.0744±0.0007 | 18.5450±0.2591 |
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