共 35 条
Exploring representative samples for modeling of wave buoy motion behavior
被引:0
作者:

Deng, Hongying
论文数: 0 引用数: 0
h-index: 0
机构:
Zhejiang Univ Technol, Inst Proc Equipment & Control Engn, Hangzhou 310023, Peoples R China Zhejiang Univ Technol, Inst Proc Equipment & Control Engn, Hangzhou 310023, Peoples R China

Zhu, Jialiang
论文数: 0 引用数: 0
h-index: 0
机构:
Zhejiang Univ Technol, Inst Proc Equipment & Control Engn, Hangzhou 310023, Peoples R China Zhejiang Univ Technol, Inst Proc Equipment & Control Engn, Hangzhou 310023, Peoples R China

Li, Xintian
论文数: 0 引用数: 0
h-index: 0
机构:
Hangzhou Appl Acoust Res Inst, Hangzhou 310023, Peoples R China
Hangzhou Ruili Marine Equipment Co LTD, Hangzhou 310023, Peoples R China Zhejiang Univ Technol, Inst Proc Equipment & Control Engn, Hangzhou 310023, Peoples R China

Liu, Yi
论文数: 0 引用数: 0
h-index: 0
机构:
Zhejiang Univ Technol, Inst Proc Equipment & Control Engn, Hangzhou 310023, Peoples R China Zhejiang Univ Technol, Inst Proc Equipment & Control Engn, Hangzhou 310023, Peoples R China
机构:
[1] Zhejiang Univ Technol, Inst Proc Equipment & Control Engn, Hangzhou 310023, Peoples R China
[2] Hangzhou Appl Acoust Res Inst, Hangzhou 310023, Peoples R China
[3] Hangzhou Ruili Marine Equipment Co LTD, Hangzhou 310023, Peoples R China
基金:
中国国家自然科学基金;
关键词:
Buoy motion behavior;
Ocean environment;
Sample exploring;
Probabilistic information;
Gaussian process regression;
POWER;
D O I:
10.1016/j.oceaneng.2024.117259
中图分类号:
U6 [水路运输];
P75 [海洋工程];
学科分类号:
0814 ;
081505 ;
0824 ;
082401 ;
摘要:
To collect sufficient data to describe buoy motion behavior in extreme environment conditions is intractable. The conventional data-driven models constructed with randomly selected and limited training samples are unable to perform adequately for exhibiting complex dynamic characteristics. In this work, an active sample exploring strategy is developed to build a reliable prediction model with limited samples. First, an evaluated index is designed to depict both the data distribution characteristics and estimation uncertainty of all test data using a probabilistic model. The representative data are then captured and integrated into the initial training set based on this index, and the updated uncertainty information is used as the criterion to judge the exploring termination. Finally, the initial training set is supplemented to enhance the model performance. Experimental and comparative results demonstrate the superiority of the proposed sample exploring strategy.
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