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Keywords: algorithm
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Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-255
... of Science and Technology, Wuhan, Hubei, China 3 Designing and Research Institute, Wuchang Shipbuilding Industry Group Co., Ltd, Wuhan, Hubei Province. China ABSTRACT This paper presents a high-precision underwater depth measurement system based on multi-sensor data fusion and the Kalman filter algorithm...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-256
... ABSTRACT This paper proposes a new algorithm for the floating of the underwater platform. To eliminate the effect of the disturbance and improve the safety of the floating process, a fuzzy PID algorithm with a nonlinear feedback technique is used to control the underwater platform. Compared...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-301
... location deep learning machine learning estimation algorithm artificial intelligence ship motion wave height procedure model training regression learner prediction error regression model wave parameter prediction wave direction spectrum wave spectrum Proceedings of the Thirty-third...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-309
... incident wave sustainable development control system algorithm platform design sub-sea system excitation force disturbance nonlinear model experiment model predictive controller control method float motion prediction horizon dt model displacement Proceedings of the Thirty-third (2023...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-323
... to the platform, a frequency-domain multibody interaction (potential flow) program based on the boundary element method has been developed with a parallel algorithm to improve computation efficiency, which is important for multibody and complex geometries, such as the wave energy converter (M4) system that has...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-302
... coefficient 0.9978 and 0.9953 compared to the finite element model. Besides, this study performed sensitivity analysis to acquire the key factor that affects the hydrodynamic performance of the hose. Finally, on the basis of the established data-driven model, the NSGA-II algorithm is applied to optimize...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-412
... on the remote sensing cloud platform, the present study investigated the change of the coastline of Nouakchott Autonomy Port in Mauritania in the past 38 years (19842021). Coastline extraction algorithm was developed which is suitable for the west coast of Africa. Technologies such as satellite remote sensing...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-366
... algorithm ship sloshing risk prediction pof sea condition information event rate prediction sea state database machine learning approach tank impact pressure probability training data Proceedings of the Thirty-third (2023) International Ocean and Polar Engineering Conference Ottawa, Canada...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-410
... with Random forest algorithm Zhiliang Cai1,2,3, Jian Shi1,2,3, Bo Hu2,3, Yuan Shi2,3 (1. Key Laboratory of Ministry of Education for Coastal Disaster and Protection, Hohai University, Nanjing, China; 2. Guangxi Key Laboratory of Beibu Gulf Marine Resources, Environment and Sustainable Development, Beihai...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-511
... updated by Lagrange algorithm. Kashiwagi (2000) pointed out that the Mixed Eulerian Lagrangian (MEL) method is helpful for studying nonlinear phenomenon, because such tracking method allows nodes updating along both vertical and horizontal direction. This feature obviously takes advantages when facing...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-526
... in the parallel efficient optimization (PEGO) algorithm to make a tradeoff between exploitation and exploration. The Optimal Latin hypercube algorithm is used as the method of design of experiments. The Kriging model is employed as the surrogate model. Wigley ship is used to demonstrate the proposed optimization...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-518
... Algorithm for Overall Ship Performance Evaluation Sheng-chen JI1, Liang LUO1, Hao WANG1, Zhai-liu HAO2, Sheng-zhong LI2 1School of Naval Architecture, Ocean and Energy Power Engineering of Wuhan University of Technology, Wuhan, China 2China Ship Scientific Research Center, Wuxi, China ABSTRACT This paper...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-541
.... Algorithms that allow, from the data of the simulations, and / or those obtained from the physical system, to establish control, maintenance, and adjustment routines. Data storage, in which both the sensorized data and those generated by the twin itself can be saved. Artificial intelligence and machine...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-588
... information can be gathered by high-speed video recordings using 4086 standard image processing algorithm, thus indicating that the process can be automatic and part of the soft paint test routines. The paper first describes the facility and the experimental dataset, then focuses of the procedures that have...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-560
... to Lloyd's Register specifications. Peak deformation optimization is performed by forced displacement of the fixed supports, and a dichotomous neural network algorithm is used to find the optimal bearing displacement, thus improving the overall deformation of the structure. According to the numerical model...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-101
... of an Oscillating-Body Wave Energy Converter using Heuristic Algorithms Yuhao Cen 1,2 , Ming Tan 1* , Dahai Zhang 1 , Dongfang Liang 2 1. Ocean College, Zhejiang University. Zhoushan, China. 2. Department of Engineering, University of Cambridge. Cambridge, UK ABSTRACT The focus of improving the economic performance...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-076
...) that, additionally utilizes reconstruction/prediction model of the upcoming wave to investigate the effect of reduced latency in the controller response. Both controllers are optimized through a genetic algorithm scheme. Results show reduction in wave excitations ranging between 10s to 20s under varying sea-state...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-077
... Turbines (FOWT) can be actively controlled to minimize their wave induced motions, improving wind energy harvesting efficiency and increasing structural life by reducing fatigue loads. Here, we report on the development and validation of Wave Reconstruction and Prediction (WRP) algorithms that improve...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-095
... approaches to replace the numerical solutions (Mousavi et al., 2021). With the development of AI (Artificial Intelligence) and ML (Machine Learning) technologies, using ML to predict wave power has now became a reality (Bento et al., 2021). Genetic algorithms are adapted to produce prediction models by using...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-159
... and cloud-shadow removal were conducted. In this study, Py6s algorithm, which has been demonstrated as the most suitable atmospheric correction method for Hong Kong waters (Nazeer et al., 2014), was adopted to convert the top of atmosphere reflectance into the surface reflectance. The cloud probability...

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