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Keywords: reliability
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Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-484
..., and inhomogeneities) of printed final parts without causing damage. Integration of 3D X-ray CT as a non-destructive testing method into the quality assurance process of AM can significantly enhance the reliability of the final printed products by enabling comprehensive inspection, detection, and analysis of internal...
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-525
... artificial intelligence operation reliability encryption hardware ship navigation safety maintenance journal algorithm availability ai application maritime autonomous surface ship Proceedings of the Thirty-fourth (2024) International Ocean and Polar Engineering Conference Rhodes, Greece, June...
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-196
... typically focus solely on the reliability of the riser system. However, the recoverability from a failure is of equally importance due to the economics and environmental concerns. To assess both the reliability and recoverability of the riser, the resilience assessment methodology is proposed...
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-242
... good stability and reliability, and will be used for subsequent experiments. (a) Lifting equipment software (FAST) (b) Dynamic signal acquisition instrument (DHDAS) Fig.8 Interface (4) Data processing. Calculate the soil adsorption force and negative pore water pressure on the cable using the following...
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-298
... ABSTRACT This study investigated the feasibility of improving system energy efficiency while enhancing the running reliability of an icebreaker ship using the gas engine and energy storage systems (ESS). Considering the power densities of batteries, the trade-off between fuel-saving and system...
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-271
... charge-discharge cycles in the BESS and SC, thereby improving overall system performance and reliability. Our approach shows superior results in damping offshore wind power fluctuations and optimizing energy storage management compared to traditional FLF-based methods lacking SOC feedback. This research...
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-330
... artificial intelligence tether reliability geologist submarine glider coefficient modeling & simulation experiment accuracy geology hydrofoil buoyancy dynamic modeling worsen torque excitation sensor diagram case2 case3 case4 case5 case6 amplitude Proceedings...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-108
... objective, quantitative, specific, measurable, repeatable, and independent. In the present work, more than 50 metrics to monitor the development of WECs are compiled, explained, and discussed. These metrics are divided in the following evaluation areas: 1) Performance; 2) Reliability; 3) Survivability; 4...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-247
... or accidentally towed by fishing nets for many times. Therefore, the endurance of a wave glider depends largely on sabotage rather than its system reliability. upstream oil & gas glider seawater pump buoyancy regulation system seawater solenoid valve passenger transportation scwg wave glider...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-463
... ABSTRACT Time-variant reliability attracts attention from industry when it comes with corrosion and fatigue in offshore floating structures. With the long-term serviceability of large floating structures, the general or pit corrosion may occur in stiffened plates and cause degradation...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-506
... midstream oil & gas sustainability artificial intelligence marine transportation engine climate change freight & logistics services cruise ship fuel consumption reliability power system optimal design air emission social responsibility sustainable development ship life...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1146
... be lost. Therefore; AUV security is an important topic. However; conventional AUV reliability analysis methods cannot well analyze the AUV autonomous system because of the complicated environment and working states. To this end; this paper establishes a set of security analysis framework using the System...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1129
... the precision and reliability of underwater velocity measurement. The proposed system consists of three steps: 1) Design a reliable mechanical velocity measurement device to increase the reliability of the application in the underwater environment; 2) Reasonable data sampling method; dual-sensor asynchronous...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-4161
... and operability. Then NAPA software was used to check the floating state, structural strength and stability to verify the reliability of the strength test scheme. INTRODUCTION In recent years, ship accidents happen frequently. According to the statistical results of accident investigation, more than 64...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1325
... and the follow up calculations of the structural reliabilities. A number of scenarios of the structural failures on different members of the platform are assumed for ultimate strength pushover analyses to obtain all the required results of Reserved Strength Ratios (RSR), and then the results are utilized...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2139
... on wire bonding, layer bonding, and coating, which impose tremendous restrictions on the reliability of products. For applications specific to electronic devices for coastal, maritime, and subsea requests, the impacts from sea waves, thermal cycle, bio-corrosion, salinity, oxygen, and pressure...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2140
... evidence space is constructed, and the initial diagnosis of the evidence space is carried out by using radial basis function neural network, and the preliminary diagnosis results of each evidence body are fused by the weighted evidence fusion theory. The diagnosis result shows that it has high reliability...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-4247
... optimization is also performed, obtaining an optimization solution. Then, First Order Reliability Method (FORM) is used to analyse its reliability. Particle Swarm Optimization (PSO) is employed to reduce the weight and painting area simultaneously, which is a multi-objective optimization problem. Moreover...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1114
... of preventing the secondary formation of hydrate. Through sensitivity analysis, it is found that the failure rate has the most obvious influence on the reliability and availability of subsea pumps. INTRODUCTION Natural gas hydrate (NGH) is regarded as an important follow-up energy in the 21 st century...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-588
... into dielectric constant and permeability, respectively. And the glass beads and extracted soil are selected to specimens for observing the reliability of suggested equation according to particle size distributions. The deduced permeability based on dielectric constant show similarity with permeability calculated...

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