Article(id=1281326834642031411, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281326807345500788, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2025.12.002, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1721145600000, receivedDateStr=2024-07-17, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1783421723280, onlineDateStr=2026-07-07, pubDate=1765728000000, pubDateStr=2025-12-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1783421723280, onlineIssueDateStr=2026-07-07, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1783421723280, creator=13701087609, updateTime=1783421723280, updator=13701087609, issue=Issue{id=1281326807345500788, tenantId=1146029695717560320, journalId=1240685776644648972, year='2025', volume='29', issue='12', pageStart='1827', pageEnd='1990', issueExtLink='null', onlineDate='null', pubDate='1765728000000', pubDateStr='2025-12-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1783421716772, creator='13701087609', updateTime=1783422145004, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1281328603572977733, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281326807345500788, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1281328603572977734, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281326807345500788, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1838, endPage=1847, ext={EN=ArticleExt(id=1281326834872718132, articleId=1281326834642031411, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=A fast motion prediction method for AUVs based on ridge regression reduction and improved Support Vector Machine, columnId=1241023037940748650, journalTitle=Journal of Ship Mechanics, columnName=Hydrodynamics, runingTitle=null, highlight=null, articleAbstract=
Accurate motion prediction is crucial for the safe navigation of Autonomous Underwater Vehicles (AUVs). A fast Least Squares-Support Vector Machine (LS-SVM) motion prediction approach based on ridge regression algorithm is proposed in this paper. Firstly, the ridge regression analysis was incorporated into the traditional hydrodynamic model and the correlation analysis was conducted on the acceleration time-series input variables to identify the relatively important components. This step effectively reduces computational complexity while maintaining prediction accuracy. Subsequently, for the issue of high dimensionality and computational complexity in the LS-SVM algorithm's kernel function matrix, an improved Lagrange function was designed to eliminate redundant bias terms. This modification lightens the burden of calculating high-dimensional kernel matrices and further enhances the speed of maneuvering prediction. Finally, case studies based on the REMUS model demonstrate that the proposed strategy, compared to the standard LS-SVM prediction method that relies on traditional hydrodynamic models, reduces computational runtime by 29.8% while ensuring prediction accuracy.
, authors=Tian–qi PEI
1, Cao–yang YU
1, Lian LIAN
1, 2, authorsList=Tian–qi PEI, Cao–yang YU, Lian LIAN, authorCompany=null, correspAuthors=Cao–yang YU, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2025 Journal of Ship Mechanics. All rights reserved., 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=1281326853000500179, articleId=1281326834642031411, tenantId=1146029695717560320, journalId=1240685776644648972, language=CN, title=基于岭回归约简和改进支持向量机的AUV运动快速预测方法, columnId=1241023038087549292, journalTitle=船舶力学, columnName=流体力学, runingTitle=null, highlight=null, articleAbstract=
准确的操纵运动预测对于水下自主航行器(AUV)的安全航行至关重要。为此,本文提出了基于岭回归模型约简的快速最小二乘支持向量机(LS–SVM)操纵运动预测方法。首先,引入岭回归算法,在传统水动力模型的基础上对加速度时序输入变量进行相关性分析,筛选出影响显著的水动力模型输入变量,从而降低模型计算复杂度。其次,针对LS–SVM算法核矩阵运算中维度高、计算复杂的问题,设计了改进拉格朗日函数以消除其中多余的方程偏置项,降低计算高维核矩阵的负载,进一步提升对AUV运动的预测速度。最后,通过基于REMUS模型的仿真试验案例分析得出结论:相较于依赖传统水动力模型的标准LS–SVM预测方法,本文所提出的策略可在保证预测精度的前提下,缩短29.8%的计算运行时间。
, authors=裴天琪
1, 于曹阳
1, 连琏
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1.上海交通大学 海洋学院,上海 200030)]), AuthorCompany(id=1281326853369598935, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, xref=2., ext=[AuthorCompanyExt(id=1281326853377987544, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, companyId=1281326853369598935, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.上海交通大学 海洋工程国家重点实验室,上海 200240)])], figs=[ArticleFig(id=1281326856301417458, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, language=EN, label=Fig.1, caption=
Work flow of the proposed strategy, figureFileSmall=ophLjjomWkbo5EFV53SUbw==, figureFileBig=hmykdNiCFR4lNtS6VUZh+Q==, tableContent=null), ArticleFig(id=1281326856393692147, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, language=CN, label=图1, caption=
本文算法流程图, figureFileSmall=ophLjjomWkbo5EFV53SUbw==, figureFileBig=hmykdNiCFR4lNtS6VUZh+Q==, tableContent=null), ArticleFig(id=1281326856553075700, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, language=EN, label=Fig.2, caption=
Analysis in $u$
direction based on the ridge regression algorithm , figureFileSmall=MMcZxCISxr7ipUB6FFTInQ==, figureFileBig=SkBQtDtB4AHx3yNd/cYyQg==, tableContent=null), ArticleFig(id=1281326856628573173, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, language=CN, label=图2, caption=
$u$
方向的岭回归分析图, figureFileSmall=MMcZxCISxr7ipUB6FFTInQ==, figureFileBig=SkBQtDtB4AHx3yNd/cYyQg==, tableContent=null), ArticleFig(id=1281326856712459254, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, language=EN, label=Fig.3, caption=
Analysis in $v$
direction based on the ridge regression algorithm , figureFileSmall=3zr57mahNIMyhA3AHKf/xQ==, figureFileBig=OWdEnOER1gySLsH3lOa0vA==, tableContent=null), ArticleFig(id=1281326856787956727, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, language=CN, label=图3, caption=
$v$
方向的岭回归分析图, figureFileSmall=3zr57mahNIMyhA3AHKf/xQ==, figureFileBig=OWdEnOER1gySLsH3lOa0vA==, tableContent=null), ArticleFig(id=1281326856876037112, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, language=EN, label=Fig.4, caption=
Analysis in $r$
direction based on the ridge regression algorithm, figureFileSmall=yNu4sSYA9Uj9ErJFrtZcwA==, figureFileBig=iPBVrUCkQ5RdzJ6xTcRDyg==, tableContent=null), ArticleFig(id=1281326856985089017, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, language=CN, label=图4, caption=
$r$
方向的岭回归分析图, figureFileSmall=yNu4sSYA9Uj9ErJFrtZcwA==, figureFileBig=iPBVrUCkQ5RdzJ6xTcRDyg==, tableContent=null), ArticleFig(id=1281326857043809274, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, language=EN, label=Fig.5, caption=
Comparison of hydrodynamic models before and after reduction, figureFileSmall=rVRKyROFwAYgaPeDK3G6Sw==, figureFileBig=38wCQWdW+8fhS0I0UjR97A==, tableContent=null), ArticleFig(id=1281326857106723835, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, language=CN, label=图5, caption=
约简前后的水动力模型比较, figureFileSmall=rVRKyROFwAYgaPeDK3G6Sw==, figureFileBig=38wCQWdW+8fhS0I0UjR97A==, tableContent=null), ArticleFig(id=1281326857190609916, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, language=EN, label=Fig.6, caption=
Model validation using the 30° Zigzag test data, figureFileSmall=A1XoiAMfPUZ1p6IgM0O7Rw==, figureFileBig=zlQiDRaj2bMecD8NNSeolw==, tableContent=null), ArticleFig(id=1281326857261913085, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, language=CN, label=图6, caption=
30° Zigzag仿真数据反演验证, figureFileSmall=A1XoiAMfPUZ1p6IgM0O7Rw==, figureFileBig=zlQiDRaj2bMecD8NNSeolw==, tableContent=null), ArticleFig(id=1281326857320633342, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, language=EN, label=Fig.7, caption=
Model generalization validation using the 25° Zigzag test data , figureFileSmall=DeB2gP6Pk9kTyKVGPL2oGQ==, figureFileBig=yg98lUNQBssh85lFtmK6bw==, tableContent=null), ArticleFig(id=1281326857383547903, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, language=CN, label=图7, caption=
25° Zigzag仿真数据泛化验证, figureFileSmall=DeB2gP6Pk9kTyKVGPL2oGQ==, figureFileBig=yg98lUNQBssh85lFtmK6bw==, tableContent=null), ArticleFig(id=1281326857442268160, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, language=EN, label=Fig.8, caption=
Model generalization validation using the 35° Zigzag test data , figureFileSmall=CNXnEz/s14YQMPkbvfXzYg==, figureFileBig=6wOC/87e4TIZCrNqouB94Q==, tableContent=null), ArticleFig(id=1281326857500987392, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, language=CN, label=图8, caption=
35° Zigzag仿真数据泛化验证, figureFileSmall=CNXnEz/s14YQMPkbvfXzYg==, figureFileBig=6wOC/87e4TIZCrNqouB94Q==, tableContent=null), ArticleFig(id=1281326857563901953, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, language=EN, label=Fig.9, caption=
Model generalization validation using the 15° Zigzag test data, figureFileSmall=zKTI19CLJDX+QaCJ5l/rnA==, figureFileBig=QBt56a2AotDCEJwLXpcg8g==, tableContent=null), ArticleFig(id=1281326857626816514, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, language=CN, label=图9, caption=
15° Zigzag仿真数据泛化验证, figureFileSmall=zKTI19CLJDX+QaCJ5l/rnA==, figureFileBig=QBt56a2AotDCEJwLXpcg8g==, tableContent=null), ArticleFig(id=1281326857698119683, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, language=EN, label=Tab.1, caption=
RMSE of the model validation using 30° Zigzag test data
, figureFileSmall=null, figureFileBig=null, tableContent=
| u/(m·s−1) | v/(m·s−1) | r/(rad·s−1) | 运行时间/(s) |
|---|
| 未改进方法 | 0.0257 | 0.0135 | 0.0319 | 93.1 |
| 本文改进方法 | 0.0015 | 0.0135 | 0.0316 | 65.4 |
), ArticleFig(id=1281326857756839940, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, language=CN, label=表1, caption=
30° Zigzag模型反演RMSE
, figureFileSmall=null, figureFileBig=null, tableContent=
| u/(m·s−1) | v/(m·s−1) | r/(rad·s−1) | 运行时间/(s) |
|---|
| 未改进方法 | 0.0257 | 0.0135 | 0.0319 | 93.1 |
| 本文改进方法 | 0.0015 | 0.0135 | 0.0316 | 65.4 |
), ArticleFig(id=1281326857819754501, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, language=EN, label=Tab.2, caption=
RMSE of the model generalization
, figureFileSmall=null, figureFileBig=null, tableContent=
| RMSE(未改进|改进) |
|---|
| u/(m·s−1) | v/(m·s−1) | r/(rad·s−1) |
|---|
| 15° Zigzag泛化试验 | 0.0255|0.0067 | 0.0132|0.0130 | 0.0295|0.0304 |
| 25° Zigzag泛化试验 | 0.0256|0.0028 | 0.0137|0.0136 | 0.0320|0.0323 |
| 35° Zigzag泛化试验 | 0.0258|0.0025 | 0.0138|0.0138 | 0.0328|0.0315 |
), ArticleFig(id=1281326857895251974, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326834642031411, language=CN, label=表2, caption=
Zigzag模型泛化RMSE
, figureFileSmall=null, figureFileBig=null, tableContent=
| RMSE(未改进|改进) |
|---|
| u/(m·s−1) | v/(m·s−1) | r/(rad·s−1) |
|---|
| 15° Zigzag泛化试验 | 0.0255|0.0067 | 0.0132|0.0130 | 0.0295|0.0304 |
| 25° Zigzag泛化试验 | 0.0256|0.0028 | 0.0137|0.0136 | 0.0320|0.0323 |
| 35° Zigzag泛化试验 | 0.0258|0.0025 | 0.0138|0.0138 | 0.0328|0.0315 |
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