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Data-driven algorithm for diving process modelling and anomaly detection of deep-sea pressurized spherical shell
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Ji YAO1, 2, 3, Xue-liang WANG1, 2, 3, Cong YE1, 2, 3, Xue-kang GU1, 2, Hao-zheng CHEN1, 2, 3, Lei WANG1, 2, 3, Zheng-zheng ZHANG1, 2, 3
Journal of Ship Mechanics | 2024, 28(11) : 1710 - 1720
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Journal of Ship Mechanics | 2024, 28(11): 1710-1720
• Structural Mechanics •
Data-driven algorithm for diving process modelling and anomaly detection of deep-sea pressurized spherical shell
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Ji YAO1, 2, 3, Xue-liang WANG1, 2, 3, Cong YE1, 2, 3, Xue-kang GU1, 2, Hao-zheng CHEN1, 2, 3, Lei WANG1, 2, 3, Zheng-zheng ZHANG1, 2, 3
Affiliations
  • 1.China Ship Scientific Research Center, Wuxi 214082, China
  • 2.Taihu Laboratory of Deepsea Technological Science, Wuxi 214082, China
  • 3.State Key Laboratory of Deep-sea Manned Vehicles, Wuxi 214082, China
Published: 2024-11-20 doi: 10.3969/j.issn.1007-7294.2024.11.008
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Aiming at the difficulty in modelling the diving process of spherical shells, a data-driven algorithm for diving process modelling and anomaly detection of deep-sea pressurized spherical shells was proposed in this paper. Firstly, the spherical shell structures and historical diving data of manned capsules were analyzed. Then, the diving process modelling algorithm was established based on the long short-term memory network (LSTM), taking the diving depth as the input and the key hot spot strain as the output. The deduction results were analyzed and compared with the DNN model and BP model, the derivation error was reduced by 35.89% and 63.80%, respectively. Finally, based on the LSTM model, a data anomaly detection algorithm was proposed. The proposed algorithm can diagnose and correct abnormal data when a sensor fails.

data-driven algorithm  /  the deep-sea pressurized spherical shell  /  LSTM  /  diving process inference  /  anomaly detection
Ji YAO, Xue-liang WANG, Cong YE, Xue-kang GU, Hao-zheng CHEN, Lei WANG, Zheng-zheng ZHANG. Data-driven algorithm for diving process modelling and anomaly detection of deep-sea pressurized spherical shell[J]. Journal of Ship Mechanics, 2024 , 28 (11) : 1710 -1720 . DOI: 10.3969/j.issn.1007-7294.2024.11.008
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Year 2024 volume 28 Issue 11
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Article Info
doi: 10.3969/j.issn.1007-7294.2024.11.008
  • Receive Date：2024-05-28
  • Online Date：2026-03-26
  • Published：2024-11-20
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  • Received：2024-05-28
Funding
Affiliations
    1.China Ship Scientific Research Center, Wuxi 214082, China
    2.Taihu Laboratory of Deepsea Technological Science, Wuxi 214082, China
    3.State Key Laboratory of Deep-sea Manned Vehicles, Wuxi 214082, China
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红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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