本文为在线建模与预报随机波浪中的船舶运动,将时序卷积神经网络和采用经验回放功能的增量学习机制结合,并对训练及回放数据进行稀疏化,建立能够挖掘时序特征并快速更新的网络结构。以4~6级海况下横浪中船舶横摇运动、迎浪中船舶纵摇及垂荡运动为测试算例,验证模型的有效性。相对于时序卷积神经网络、增量时序卷积神经网络、稀疏增量长短期记忆神经网络与稀疏增量Transformer模型,本模型在相同数据量上有更高的精度和效率,并随着增量阶段推进预报精度更稳定,在不同海况下具有泛用性。
To enable online modeling and prediction of ship motions in stochastic waves, a temporal convolutional neural network is combined with an incremental learning mechanism incorporating experience replay. Sparse selection is applied to both training and replay data, so as to establish a network structure capable of mining temporal features while enabling rapid updates. The effectiveness of the model is validated using test cases of ship roll motion in beam waves under sea states 4, 5, and 6, as well as ship pitch and heave motions in head waves. Compared to temporal convolutional network, incremental temporal convolutional network, sparse incremental long short-term memory networks and sparse incremental Transformer model, the proposed model achieves higher accuracy and efficiency with the same data volume and maintains more stable prediction accuracy as the incremental phase progresses. Furthermore, the method is effective for ship under varying sea states.
2026,48(8): 36-43 收稿日期:2025-9-9
DOI:10.3404/j.issn.1672-7649.2026.08.006
分类号:U675.5
基金项目:国家自然科学基金资助项目(52571363, U2441289)
作者简介:王超(2001-),男,硕士研究生,研究方向为船舶运动预报
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