Article(id=1223202691283796666, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223202678788965355, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20222338, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1667750400000, receivedDateStr=2022-11-07, revisedDate=1679846400000, revisedDateStr=2023-03-27, acceptedDate=null, acceptedDateStr=null, onlineDate=1769563847609, onlineDateStr=2026-01-28, pubDate=1703433600000, pubDateStr=2023-12-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769563847609, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769563847609, creator=13701087609, updateTime=1769563847609, updator=13701087609, issue=Issue{id=1223202678788965355, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='12', pageStart='1', pageEnd='228', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769563844630, creator=13701087609, updateTime=1769563913308, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223202966899901286, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223202678788965355, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223202966899901287, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223202678788965355, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=178, endPage=181, ext={EN=ArticleExt(id=1223202692298818254, articleId=1223202691283796666, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Vibration Trend Prediction of Hydropower Unit Based on VMD-SE-PSO-BIGRU, columnId=1222925284869922957, journalTitle=Water Resources and Power, columnName=ELECTROMECHANICS AND CONTROL ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

In order to improve the prediction accuracy of vibration signals of hydropower units, a prediction method based on variational mode decomposition (VMD), sample entropy (SE) reconstruction and particle swarm optimization (PSO) optimization of bi-directional gated circulation unit (BIGRU) was proposed. In the VMD-SE-PSO-BIGRU model, firstly, the vibration signal was decomposed into several subsequences by VMD, and the subsequences were reconstructed by SE. The trend, oscillation and noise components of the vibration signal were obtained. Then, parameter optimized BIGRU prediction models were established for the reconstructed components. Finally, the prediction results of each component were superimposed to achieve vibration prediction. Compared with other models, example analysis shows that the prediction error of the model is smaller and the prediction accuracy is higher, which can effectively predict the vibration signals of hydropower units.

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为提高水电机组振动信号预测精度,提出了一种基于变分模态分解(VMD)与样本熵(SE)重构和粒子群算法(PSO)优化双向门控循环单元(BIGRU)的预测方法。在VMD-SE-PSO-BIGRU模型中,先利用VMD将振动信号分解为若干个子序列,并通过SE对子序列进行重构,得到最终振动信号的趋势、振荡和噪声成分,然后对得到的重构分量分别建立参数优化的BIGRU预测模型,最后叠加各分量预测结果实现振动预测。实例分析表明,与其他模型相比,所提模型预测误差更小、预测精度更高,可有效预测水电机组振动信号。

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赵熙临(1968-),男,博士、教授,研究方向为电力系统优化与控制,E-mail:
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付波(1973-),男,教授,研究方向为图像处理和智能控制,E-mail:

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基于VMD-SE-PSO-BIGRU模型的水电机组振动趋势预测
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付波 1 , 聂兴宇 1 , 赵熙临 1 , 王诗雯 1 , 李超顺 2
水电能源科学 | 机电与控制工程 2023,41(12): 178-181
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水电能源科学 | 机电与控制工程 2023, 41(12): 178-181
基于VMD-SE-PSO-BIGRU模型的水电机组振动趋势预测
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付波1 , 聂兴宇1, 赵熙临1 , 王诗雯1, 李超顺2
作者信息
  • 1.湖北工业大学电气与电子工程学院,湖北 武汉 430068
  • 2.华中科技大学土木与水利工程学院,湖北 武汉 430074
  • 付波(1973-),男,教授,研究方向为图像处理和智能控制,E-mail:

通讯作者:

赵熙临(1968-),男,博士、教授,研究方向为电力系统优化与控制,E-mail:
Vibration Trend Prediction of Hydropower Unit Based on VMD-SE-PSO-BIGRU
Bo FU1 , Xing-yu NIE1, Xi-lin ZHAO1 , Shi-wen WANG1, Chao-shun LI2
Affiliations
  • 1.College of Electrical and Electronic Engineering, Hubei University of Technology, Wuhan 430068, China
  • 2.College of Civil and Hydraulic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
出版时间: 2023-12-25 doi: 10.20040/j.cnki.1000-7709.2023.20222338
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为提高水电机组振动信号预测精度,提出了一种基于变分模态分解(VMD)与样本熵(SE)重构和粒子群算法(PSO)优化双向门控循环单元(BIGRU)的预测方法。在VMD-SE-PSO-BIGRU模型中,先利用VMD将振动信号分解为若干个子序列,并通过SE对子序列进行重构,得到最终振动信号的趋势、振荡和噪声成分,然后对得到的重构分量分别建立参数优化的BIGRU预测模型,最后叠加各分量预测结果实现振动预测。实例分析表明,与其他模型相比,所提模型预测误差更小、预测精度更高,可有效预测水电机组振动信号。

振动趋势预测  /  变分模态分解  /  样本熵  /  粒子群算法  /  双向门控循环单元

In order to improve the prediction accuracy of vibration signals of hydropower units, a prediction method based on variational mode decomposition (VMD), sample entropy (SE) reconstruction and particle swarm optimization (PSO) optimization of bi-directional gated circulation unit (BIGRU) was proposed. In the VMD-SE-PSO-BIGRU model, firstly, the vibration signal was decomposed into several subsequences by VMD, and the subsequences were reconstructed by SE. The trend, oscillation and noise components of the vibration signal were obtained. Then, parameter optimized BIGRU prediction models were established for the reconstructed components. Finally, the prediction results of each component were superimposed to achieve vibration prediction. Compared with other models, example analysis shows that the prediction error of the model is smaller and the prediction accuracy is higher, which can effectively predict the vibration signals of hydropower units.

vibration trend prediction  /  variational modal decomposition  /  sample entropy  /  particle swarm optimization  /  bidirectional gated circulation unit
付波, 聂兴宇, 赵熙临, 王诗雯, 李超顺. 基于VMD-SE-PSO-BIGRU模型的水电机组振动趋势预测. 水电能源科学, 2023 , 41 (12) : 178 -181 . DOI: 10.20040/j.cnki.1000-7709.2023.20222338
Bo FU, Xing-yu NIE, Xi-lin ZHAO, Shi-wen WANG, Chao-shun LI. Vibration Trend Prediction of Hydropower Unit Based on VMD-SE-PSO-BIGRU[J]. Water Resources and Power, 2023 , 41 (12) : 178 -181 . DOI: 10.20040/j.cnki.1000-7709.2023.20222338
  • 湖北省重点研发计划项目(2021BAA193)
2023年第41卷第12期
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doi: 10.20040/j.cnki.1000-7709.2023.20222338
  • 接收时间:2022-11-07
  • 首发时间:2026-01-28
  • 出版时间:2023-12-25
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  • 收稿日期:2022-11-07
  • 修回日期:2023-03-27
基金
湖北省重点研发计划项目(2021BAA193)
作者信息
    1.湖北工业大学电气与电子工程学院,湖北 武汉 430068
    2.华中科技大学土木与水利工程学院,湖北 武汉 430074

通讯作者:

赵熙临(1968-),男,博士、教授,研究方向为电力系统优化与控制,E-mail:
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2种不同金属材料的力学参数

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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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