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Keywords: algorithm
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Proceedings Papers
Path Planning and Obstacle Avoidance Strategy of Underactuated Dredger Based on Modified Artificial Potential Field
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Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-023
.... These strategies can be broadly classified into four categories: geometric method, optimization algorithm, virtual field method, and artificial intelligence method (Zhang et al., 2021). The Distance at Closest Point of Approach (DCPA) and the Time to Closest Point of Approach (DCPA) calculation methods are typical...
Proceedings Papers
A Coverage Path Planning Method for Deep-Sea Mining Based on Dynamic Analysis
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Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-026
... ABSTRACT Based on the dynamics analysis of the deep-sea mining vehicle, this study proposes a new deep-sea mining full-coverage path planning method, which combines the bio-excitation network algorithm and the improved A* algorithm, and is verified by simulation experiments to have a superior...
Proceedings Papers
Multi-Objective Optimization of Metal Seal Structure of Underwater Double-Channel Connector Based on Kriging Model
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Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-033
... related to its sealing performance, this paper establishes the optimal design method of the two-channel connector based on Kriging method and NSGA-II algorithm (non-dominated sorting genetic algorithm), and establishes the sealing structure model of the two-channel connector combined with related products...
Proceedings Papers
A Comparative Study of Kriging and ANN Surrogate Models in the Optimization Design of FOWT Platforms
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Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-038
... genetic algorithm. Both of the solution exhibit reasonable trends along the input parameters. The results from the two different surrogate models are then compared and their differences are discussed. INTRODUCTION As the global demand for renewable energy grows, the development of offshore wind...
Proceedings Papers
Multi-Objective Optimization Design for Structural Strength of LNG Cryogenic Flexible Hoses
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Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-472
... mechanisms of corrugation geometric parameters on mechanical responses; a surrogate model is constructed to replace computationally expensive numerical simulations, enabling collaborative optimization of key parameters via multi-objective algorithms to identify Pareto optimal solutions balancing strength...
Proceedings Papers
Intelligent Optimization Design Method for Enhancing Submersible Pump Efficiency Based on Deep Learning
Available to PurchaseShenghui Dai, Hong Zhu, Yu Song, Jiahao Li, Shibo Zhan, Meijun Dong, Yuanfei Zhang, Xiaohe Zhang, Keyi Xu
Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-515
... ABSTRACT This study proposes an intelligent optimization method for submersible pump impellers and inducers, leveraging deep reinforcement learning (DRL), computational fluid dynamics (CFD), and the non-dominated sorting genetic algorithm (NSGA-II) for multi-objective optimization...
Proceedings Papers
Isochrone-Based Collision Avoidance for Enhanced Ship Safety in Confined Waterways
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Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-522
... ABSTRACT Collision avoidance is one of the most critical issues in ensuring a ship's safety. Ship maneuvering for collision avoidance first demands high real-time performance and rapid response from algorithms. In practical applications, arrival time constraints also need to be taken care...
Proceedings Papers
A Method for Collision Avoidance of an Autonomous Ship in Dynamic Environments
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Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-523
... ABSTRACT In this study, we implemented a method for maritime collision avoidance using a DRL (Deep Reinforcement Learning) algorithm. The DRL-based method utilizes neural networks to recognize target ships (TSs) identified from AIS data and perform appropriate collision avoidance maneuvers...
Proceedings Papers
Investigation on Indeterminacy Characteristics and Control Strategy for Ship Rudder Operation
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Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-544
... following control of intelligent ships based on real-time wave compensation was also proposed (Mu, 2024a). The elastic force contraction algorithm was used to solve the unmanned container ship path planning (Wang, 2024). Some novel technologies were utilized to make a more robust controlling. The wave...
Proceedings Papers
Research on Identification of Overboard Personnel Based on Attitude Information
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Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-547
... their chances of survival. In response to this challenge, this paper proposes a method for identifying man-overboard events based on attitude information. By employing deep learning classification algorithms, this method can timely detect man-overboard situations, ensuring the safety of individuals at sea...
Proceedings Papers
Optimization on Resistance and Wake Field of Oil Tank Based on Approximate Model
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Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-551
... ABSTRACT With the increasing demand of ship energy saving, ship type optimization is becoming more and more important to ship industry. This paper proposes an intelligent optimization algorithm that optimizes the ship's bow and stern separately. The bow is optimized based on total resistance...
Proceedings Papers
Research on the Performance of Path and Velocity Coupling Optimization Model for a Large LNG Carrier
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Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-564
.... neural network optimization problem air emission liquified natural gas (lng) algorithm artificial intelligence consumption path optimization weather forecast duration optimization algorithm optimization path point path point density effectiveness draught machine learning meteorological...
Proceedings Papers
Short-Term Attitude Prediction of Ship in Irregular Sea Conditions Based on Deep Learning Network
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Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-590
.... (2020) proposed a real-time prediction algorithm for ship vertical acceleration based on a Gated Recurrent Unit (GRU) model within a recurrent neural network. Yuan et al. (2023) proposed a hybrid prediction model for coupling a semi-submersible platform's hull motion and mooring system. Through...
Proceedings Papers
Path Following Control of an Underactuated Ship in Narrow Waterways
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Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-593
... is transformed into heading angle control problem by Line-Of-Sight (LOS) algorithm. Finally, the MPC algorithm is applied to make the ship follow the target path based on the ship response model, coupled with a Disturbance Observer (DO) compensating for errors caused by restricted-water effects. Simulation...
Proceedings Papers
Generating and Testing Navigation Scenarios for Verifying COLREG-Compliant Decision Support System
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Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-595
... safe navigation in mixed environments where conventional and autonomous vessels coexist. decision support system risk management bearing artificial intelligence th navigational scenario rule 17 rule 15 navigation simulation algorithm colreg classification rule 7 appropriate dss module...
Proceedings Papers
Prediction of Flow Fields in Sloshing Tank Using Image-Based Deep Learning
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Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-603
...) in the PIV experiment covered the entire tank area, capturing particle motion induced by sloshing flow at 1000 FPS using a high-speed monochrome camera to minimize noise and enhance particle contrast. The U-Net algorithm was employed to segment the water region from images containing both water and air...
Proceedings Papers
Development and Validation of an Image-Based Instrumentation System for Ship Block Manufacturing
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Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-619
... measurement before assembly. An image-based measurement system utilizes stereo camera technology, which estimates distances by analyzing the disparity between images captured by different cameras. In this study, an algorithm was developed to reconstruct high precision 3D coordinates from 2D images of huge...
Proceedings Papers
On the Optimal Scheduling Analysis Method of Shipyard Air Compressor Group Driven by Mechanism and Data Fusion
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Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-625
... and time-varying characteristics of equipment operation, resulting in insufficient energy consumption prediction accuracy. Therefore, this study combines the actual energy consumption conditions of the shipyard and uses the Lasso artificial intelligence algorithm to establish an accurate air compressor...
Proceedings Papers
Bridging Data Gaps with Machine Learning for Reliable Monitoring of a Floating Solar Array Under Extreme Marine Environments
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Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-128
... algorithm dataset rmse depositional environment accuracy sway data ann deviation prediction lstm network effectiveness lstm model Proceedings of the Thirty-fifth (2025) International Ocean and Polar Engineering Conference Seoul/Goyang, Korea, June 1-6, 2025 Copyright © 2025...
Proceedings Papers
Augmented Data-Driven Approach for Subsea BOP Fault Diagnosis
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Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-203
... algorithm wang machine learning ksmote fault diagnosis fault diagnosis performance data imbalance ratio control system fault diagnosis model failure mode diagnosis ksfa subsea bop Proceedings of the Thirty-fifth (2025) International Ocean and Polar Engineering Conference Seoul/Goyang, Korea...
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