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相关论文: Response Component Analysis for Sea State Estimati…

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The ocean wave distribution in a specific region of space and time is described by its sea state. Knowledge about the sea states a ship encounters on a journey can be used to assess various parameters of risk and wear associated with the…

应用统计 · 统计学 2019-06-04 Anders Hildeman , David Bolin , Igor Rychlik

Unmanned boats, while navigating at sea, utilize active compensation systems to mitigate wave disturbances experienced by onboard instruments and equipment. However, there exists a lag in the measurement of unmanned boat attitudes, thus…

人工智能 · 计算机科学 2024-04-18 Zhuoya Geng , Jianmei Chen , Wanqiang Zhu

Ship roll motion in high sea states has large amplitudes and nonlinear dynamics, and its prediction is significant for operability, safety, and survivability. This paper presents a novel data-driven methodology to provide a multi-step…

机器学习 · 计算机科学 2023-03-29 Dan Zhang , Xi Zhou , Zi-Hao Wang , Yan Peng , Shao-Rong Xie

To address the complexities of spatial non-stationary (SnS) effects and spherical wave propagation in near-field channel estimation (CE) for extremely large-scale multiple-input multiple-output (XL-MIMO) systems, this paper proposes an…

信号处理 · 电气工程与系统科学 2025-12-01 Shuhang Yang , Puguang An , Peng Yang , Xianbin Cao , Dapeng Oliver Wu , Tony Q. S. Quek

Real-time motion prediction of a vessel or a floating platform can help to improve the performance of motion compensation systems. It can also provide useful early-warning information for offshore operations that are critical with regard to…

机器学习 · 统计学 2021-10-12 Xiaoxian Guo , Xiantao Zhang , Xinliang Tian , Xin Li , Wenyue Lu

State estimation in water distribution networks (WDN), the problem of estimating all unknown network heads and flows given select measurements, is challenging due to the nonconvexity of hydraulic models and significant uncertainty from…

最优化与控制 · 数学 2021-03-12 Shen Wang , Ahmad F. Taha , Nikolaos Gatsis , Lina Sela , Marcio Giacomoni

Recently, fault diagnosis methods for marine machinery systems based on deep learning models have attracted considerable attention in the shipping industry. Most existing studies assume fault classes are consistent and known between the…

人工智能 · 计算机科学 2025-11-04 Chuyue Lou , M. Amine Atoui

Precise landing of Unmanned Aerial Vehicles (UAVs) onto moving platforms like Autonomous Surface Vehicles (ASVs) is both important and challenging, especially in GPS-denied environments, for collaborative navigation of heterogeneous…

机器人学 · 计算机科学 2023-10-11 Li-Fan Wu , Zihan Wang , Mo Rastgaar , Nina Mahmoudian

Wave breaking is an important process for energy dissipation in the open ocean and coastal seas. It drives beach morphodynamics, controls air-sea interactions, determines when ship and offshore structure operations can occur safely, and…

大气与海洋物理 · 物理学 2021-01-28 Caio Eadi Stringari , Pedro Veras Guimarães , Jean-François Filipot , Fabien Leckler , Rui Duarte

Accurate prediction of main engine power is essential for vessel performance optimization, fuel efficiency, and compliance with emission regulations. Conventional machine learning approaches, such as Support Vector Machines, variants of…

机器学习 · 计算机科学 2026-02-23 Orfeas Bourchas , George Papalambrou

This article deals with an important aspect of the neural network retrieval of sea surface salinity (SSS) from SMOS brightness temperatures (TBs). The neural network retrieval method is an empirical approach that offers the possibility of…

神经与进化计算 · 计算机科学 2016-01-19 Adel Ammar , Sylvie Labroue , Estelle Obligis , Michel Crépon , Sylvie Thiria

Real-time and high-precision situational awareness technology is critical for autonomous navigation of unmanned surface vehicles (USVs). In particular, robust and fast obstacle semantic segmentation methods are essential. However,…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Guan-Cheng Zhou , Chen Chengb , Yan-zhou Chena

Satellite-based remote sensing missions have revolutionized our understanding of the Ocean state and dynamics. Among them, space-borne altimetry provides valuable Sea Surface Height (SSH) measurements, used to estimate surface geostrophic…

机器学习 · 计算机科学 2024-05-07 Theo Archambault , Arthur Filoche , Anastase Charantonis , Dominique Bereziat , Sylvie Thiria

In situ and remotely sensed observations have potential to facilitate data-driven predictive models for oceanography. A suite of machine learning models, including regression, decision tree and deep learning approaches were developed to…

大气与海洋物理 · 物理学 2020-06-24 Stefan Wolff , Fearghal O'Donncha , Bei Chen

Stochastic wind sea is an intermediate small-scale physical process responsible for the state of the atmospheric boundary layer and the water upper layer, having dynamics of all scales. To describe behavior of this system, one could use the…

大气与海洋物理 · 物理学 2010-09-13 Vladislav Polnikov

In the field of Maritime Autonomous Surface Ships (MASS), the accurate modeling of ship maneuvering motion for harbor maneuvers is a crucial technology. Non-parametric system identification (SI) methods, which do not require prior knowledge…

系统与控制 · 电气工程与系统科学 2024-12-03 Kouki Wakita , Youhei Akimoto , Atsuo Maki

The shallow water equations (SWE) are a widely used model for the propagation of surface waves on the oceans. We consider the problem of optimally determining the initial conditions for the one-dimensional SWE in an unbounded domain from a…

流体动力学 · 物理学 2020-03-12 N. K. -R. Kevlahan , R. Khan , B. Protas

We present an end-to-end deep learning framework for short-term forecasting of global sea surface dynamics based on sparse satellite altimetry data. Building on two state-of-the-art architectures: U-Net and 4DVarNet, originally developed…

The prediction capability of recurrent-type neural networks is investigated for real-time short-term prediction (nowcasting) of ship motions in high sea state. Specifically, the performance of recurrent neural networks, long-short term…

流体动力学 · 物理学 2021-05-28 Danny D'Agostino , Andrea Serani , Frederick Stern , Matteo Diez

Accurate short-term predictions of phase-resolved water wave conditions are crucial for decision-making in ocean engineering. However, the initialization of remote-sensing-based wave prediction models first requires a reconstruction of wave…