Chinese Journal of Ship Research, Volume. 20, Issue 1, 47(2025)
Prediction of ship maneuvering motion in regular wave with gray-box modelling
Figures & Tables(14)
![[in Chinese]](/Images/icon/loading.gif){kind=icon}
Table 1. Principal particulars of ONRT
View tableView in ArticleTable 1. Principal particulars of ONRT
名称 实船 模型 垂线间长/m 154.000 4.278 船宽/m 18.800 0.522 吃水/m 5.494 0.153 排水体积/m3 8 507.000 0.178
Table 2. Cases of ONRT in the free-running model test
View tableView in ArticleTable 2. Cases of ONRT in the free-running model test
工况号 工况名称 1 Turning-15 kn-(20º)-0.5L 2 Turning-15 kn-(25º)-0.5L 3 Turning-15 kn-(30º)-0.5L 4 Turning-15 kn-(35º)-0.5L 5 Turning-15 kn-(−20º)-0.5L 6 Turning-15 kn-(−25º)-0.5L 7 Turning-15 kn-(−30º)-0.5L 8 Turning-15 kn-(−35º)-0.5L 9 Turning-22.5 kn-(20º)-0.5L 10 Turning-22.5 kn-(25º)-0.5L 11 Turning-22.5 kn-(30º)-0.5L 12 Turning-22.5 kn-(35º)-0.5L 13 Turning-22.5 kn-(−20º)-0.5L 14 Turning-22.5 kn-(−25º)-0.5L 15 Turning-22.5 kn-(−30º)-0.5L 16 Turning-22.5 kn-(−35º)-0.5L 17 Turning-15 kn-(20º)-1.0L 18 Turning-15 kn-(25º)-1.0L 19 Turning-15 kn-(30º)-1.0L 20 Turning-15 kn-(35º)-1.0L 21 Turning-15 kn-(−20º)-1.0L 22 Turning-15 kn-(−25º)-1.0L 23 Turning-15 kn-(−30º)-1.0L 24 Turning-15 kn-(−35º)-1.0L 25 Turning-22.5 kn-(20º)-1.0L 26 Turning-22.5 kn-(25º)-1.0L 27 Turning-22.5 kn-(30º)-1.0L 28 Turning-22.5 kn-(35º)-1.0L 29 Turning-22.5 kn-(−20º)-1.0L 30 Turning-22.5 kn-(−25º)-1.0L 31 Turning-22.5 kn-(−30º)-1.0L 32 Turning-22.5 kn-(−35º)-1.0L
Table 3. Statistics and comparisons of the prediction accuracy
View tableView in ArticleTable 3. Statistics and comparisons of the prediction accuracy
工况号 数学模型 灰箱模型 灰箱模型的R与 数学模型的R之差/% Q R/% Q R/% 1 2.835 94.484 2.652 88.411 −6.073 2 2.811 93.714 2.759 91.967 −1.747 3 2.788 92.939 2.761 92.033 −0.905 4 2.683 89.433 2.931 97.710 8.277 5 2.807 93.569 2.770 92.326 −1.243 6 2.794 93.130 2.782 92.741 −0.388 7 2.719 90.629 2.853 95.109 4.480 8 2.621 87.364 2.869 95.634 8.270 9 2.732 91.083 2.932 97.727 6.644 10 2.694 89.803 2.875 95.836 6.033 11 2.619 87.291 2.832 94.400 7.109 12 2.541 84.707 2.821 94.025 9.318 13 2.866 95.544 2.884 96.127 0.583 14 2.755 91.833 2.931 97.693 5.860 15 2.670 89.002 2.908 96.922 7.921 16 2.527 84.250 2.943 98.109 13.859 17 2.741 91.382 2.846 94.881 3.498 18 2.719 90.622 2.780 92.656 2.034 19 2.713 90.419 2.909 96.981 6.562 20 2.660 88.654 2.854 95.133 6.479 21 2.811 93.714 2.716 90.531 −3.183 22 2.768 92.255 2.897 96.576 4.321 23 2.663 88.781 2.922 97.400 8.619 24 2.614 87.144 2.872 95.745 8.601 25 2.755 91.841 2.859 95.296 3.455 26 2.754 91.817 2.825 94.172 2.356 27 2.694 89.795 2.827 94.221 4.425 28 2.628 87.589 2.871 95.714 8.125 29 2.706 90.197 2.839 94.625 4.428 30 2.759 91.979 2.827 94.240 2.262 31 2.622 87.391 2.921 97.367 9.976 32 2.643 88.115 2.765 92.156 4.041 均值 2.710 90.330 2.845 94.830 4.500
Tools
Get Citation
Copy Citation Text
Yang HAN, Lizhu HAO, Chao SHI, Ziying PAN, Jiang LU, Min GU. Prediction of ship maneuvering motion in regular wave with gray-box modelling[J]. Chinese Journal of Ship Research, 2025, 20(1): 47
Paper Information
Category: Maneuverability Forecast
Received: Jul. 1, 2024
Accepted: --
Published Online: Mar. 13, 2025
The Author Email:
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20