Chinese Journal of Ship Research, Volume. 16, Issue 4, 116(2021)
Sensitivity analysis method of ship hydrodynamic derivatives based on intelligent control
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Table 1. Sensitivity coefficients of hydrodynamic derivatives based on control index
View tableView in ArticleTable 1. Sensitivity coefficients of hydrodynamic derivatives based on control index
水动力导数 S1 水动力导数 S1 水动力导数 S1 Xu 2.12×10−2 Yv 1.192 Nv 2.83×10−1 Xvv 1.34×10−2 Yr 6.06×10−1 Nr 1.961 Xrr 1.10×10−3 Yru 1.13×10−2 Nvu 2.38×10−2 Xrv 2.55×10−2 Yvu 1.33×10−2 Nru 2.11×10−2 Xuu 2.13×10−3 Yud 3.20×10−3 Nvvr 1.45×10−1 Xdd 5.00×10−3 Yvvr 8.83×10−2 Nvvv 1.81×10−2 Xvd 2.26×10−4 Yvvv 1.74×10−2 Nddd 1.60×10−3 Xuuu ≈0 Yuud ≈0 Nuud 4.26×10−4 Xuvd ≈0 Yvvd 1.23×10−4 Nvdd 2.13×10−4 Xudd 8.89×10−5 Yvdd ≈0 Nvvd 3.40×10−3 Yddd 1.60×10−3 Nud 3.14×10−2
Table 2. Sensitivity coefficients of hydrodynamic derivatives based on composite evaluation function of the control process
View tableView in ArticleTable 2. Sensitivity coefficients of hydrodynamic derivatives based on composite evaluation function of the control process
水动力导数 S2 水动力导数 S2 水动力导数 S2 Xu 8.25×10−1 Yv 3.896 Nv 8.62×10−1 Xvv 6.27×10−1 Yr 8.363 Nr 4.25×10−1 Xrr 6.95×10−2 Yru 9.34×10−2 Nvu 1.62×10−2 Xrv 1.349 Yvu 1.02×10−1 Nru 1.17×10−2 Xuu 1.50×10−2 Yud 8.58×10−3 Nvvr 2.89×10−2 Xdd 3.96×10−1 Yvvr 6.14×10−1 Nvvv 1.00×10−2 Xvd 2.08×10−2 Yvvv 1.40×10−1 Nddd 2.66×10−2 Xuuu 6.36×10−4 Yuud 1.44×10−4 Nuud 4.05×10−4 Xuvd 3.14×10−4 Yvvd 1.33×10−2 Nvdd 3.99×10−4 Xudd 6.50×10−3 Yvdd 2.31×10−4 Nvvd 6.23×10−3 Yddd 3.80×10−2 Nud 3.95×10−2
Table 3. Sensitivity coefficients of hydrodynamic derivatives based on standard maneuverability test index
View tableView in ArticleTable 3. Sensitivity coefficients of hydrodynamic derivatives based on standard maneuverability test index
水动力导数 S3 水动力导数 S3 水动力导数 S3 Xu 9.28×10−1 Yv 2.332 Nv 4.527 Xvv 1.13×10−1 Yr 1.640 Nr 4.296 Xrr 4.23×10−2 Yru 1.91×10−1 Nvu 2.65×10−1 Xrv 2.78×10−1 Yvu 1.09×10−1 Nru 3.92×10−1 Xuu 3.94×10−2 Yud 8.97×10−1 Nvvr 1.806 Xdd 2.22×10−1 Yvvr 1.368 Nvvv 1.90×10−1 Xvd 9.46×10−2 Yvvv 1.13×10−1 Nddd 3.03×10−1 Xuuu 3.50×10−2 Yuud 3.87×10−2 Nuud 1.70×10−1 Xuvd 1.16×10−2 Yvvd 5.60×10−2 Nvdd 2.77×10−2 Xudd 2.48×10−1 Yvdd 8.62×10−4 Nvvd 2.31×10−1 Yddd 1.17×10−1 Nud 6.00×10−1
Table 4. Cluster analysis results of hydrodynamic derivatives based on multi-dimensional sensitivity coefficient
View tableView in ArticleTable 4. Cluster analysis results of hydrodynamic derivatives based on multi-dimensional sensitivity coefficient
水动力导数 聚类标签 水动力导数 聚类标签 水动力导数 聚类标签 Xu B Yv A Nv A Xvv C Yr A Nr A Xrr C Yru C Nvu C Xrv B Yvu C Nru C Xuu C Yud C Nvvr B Xdd C Yvvr B Nvvv C Xvd C Yvvv C Nddd C Xuuu C Yuud C Nuud C Xuvd C Yvvd C Nvdd C Xudd C Yvdd C Nvvd C Yddd C Nud C
Table 5. Euclidean distance between cluster centers and origin
View tableView in ArticleTable 5. Euclidean distance between cluster centers and origin
聚类 欧氏距离 A 1.542 B 1.225 C 0.904
Table 6. Path tracking point
View tableView in ArticleTable 6. Path tracking point
路径点 坐标/m 1 （0，0） 2 （3 000， 3000 ）3 （6 000，0） 4 （9 000，3 000） 5 （12 000，0）
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Zilu OUYANG, Hongdong WANG, Jianyao WANG, Hong YI. Sensitivity analysis method of ship hydrodynamic derivatives based on intelligent control[J]. Chinese Journal of Ship Research, 2021, 16(4): 116
Paper Information
Category: Ship Design and Performance
Received: Jun. 7, 2020
Accepted: --
Published Online: Mar. 28, 2025
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