Investigation on Dynamic Behaviors of Ship Propulsion Shafting with Misalignment Based on Stochastic Uncertainty Models
To investigate the effect of stochastic uncertainty on the dynamic behaviors of ship propulsion shafting with misalignment, a stochastic uncertainty model of ship shafting is established based on nonparametric theory and stochastic excitation. Numerical simulation and experimental verification of th...
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| Format: | Article |
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MDPI AG
2024-10-01
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| Series: | Journal of Marine Science and Engineering |
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| Online Access: | https://www.mdpi.com/2077-1312/12/11/1927 |
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| _version_ | 1846153297167122432 |
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| author | Pengfei Xing Feng Zhao Xiaoliang He Guobin Li |
| author_facet | Pengfei Xing Feng Zhao Xiaoliang He Guobin Li |
| author_sort | Pengfei Xing |
| collection | DOAJ |
| description | To investigate the effect of stochastic uncertainty on the dynamic behaviors of ship propulsion shafting with misalignment, a stochastic uncertainty model of ship shafting is established based on nonparametric theory and stochastic excitation. Numerical simulation and experimental verification of the dynamic behaviors are carried out using a ship shafting test bench. The results indicate that stochastic uncertainty has a significant effect on the dynamic behaviors of shafting with misalignment. With an increase in stochastic uncertainty, the fractional frequency appears in the spectrum, and the axis trajectory becomes more complex and gradually deviates from the center orbit. Therefore, to ensure the safe navigation of ships, it is necessary to consider the stochastic uncertainty in dynamic research on the misalignment of shafting. |
| format | Article |
| id | doaj-art-97a029274da24c68bb1fe2d0e284df83 |
| institution | Kabale University |
| issn | 2077-1312 |
| language | English |
| publishDate | 2024-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Journal of Marine Science and Engineering |
| spelling | doaj-art-97a029274da24c68bb1fe2d0e284df832024-11-26T18:07:57ZengMDPI AGJournal of Marine Science and Engineering2077-13122024-10-011211192710.3390/jmse12111927Investigation on Dynamic Behaviors of Ship Propulsion Shafting with Misalignment Based on Stochastic Uncertainty ModelsPengfei Xing0Feng Zhao1Xiaoliang He2Guobin Li3Marine Engineering College, Dalian Maritime University, Dalian 116026, ChinaSchool of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UKSchool of Mechanical Engineering, Southeast University, Nanjing 211189, ChinaMarine Engineering College, Dalian Maritime University, Dalian 116026, ChinaTo investigate the effect of stochastic uncertainty on the dynamic behaviors of ship propulsion shafting with misalignment, a stochastic uncertainty model of ship shafting is established based on nonparametric theory and stochastic excitation. Numerical simulation and experimental verification of the dynamic behaviors are carried out using a ship shafting test bench. The results indicate that stochastic uncertainty has a significant effect on the dynamic behaviors of shafting with misalignment. With an increase in stochastic uncertainty, the fractional frequency appears in the spectrum, and the axis trajectory becomes more complex and gradually deviates from the center orbit. Therefore, to ensure the safe navigation of ships, it is necessary to consider the stochastic uncertainty in dynamic research on the misalignment of shafting.https://www.mdpi.com/2077-1312/12/11/1927stochastic uncertaintydynamic behaviorsship propulsion shaftingnonparametric theorystochastic excitation |
| spellingShingle | Pengfei Xing Feng Zhao Xiaoliang He Guobin Li Investigation on Dynamic Behaviors of Ship Propulsion Shafting with Misalignment Based on Stochastic Uncertainty Models Journal of Marine Science and Engineering stochastic uncertainty dynamic behaviors ship propulsion shafting nonparametric theory stochastic excitation |
| title | Investigation on Dynamic Behaviors of Ship Propulsion Shafting with Misalignment Based on Stochastic Uncertainty Models |
| title_full | Investigation on Dynamic Behaviors of Ship Propulsion Shafting with Misalignment Based on Stochastic Uncertainty Models |
| title_fullStr | Investigation on Dynamic Behaviors of Ship Propulsion Shafting with Misalignment Based on Stochastic Uncertainty Models |
| title_full_unstemmed | Investigation on Dynamic Behaviors of Ship Propulsion Shafting with Misalignment Based on Stochastic Uncertainty Models |
| title_short | Investigation on Dynamic Behaviors of Ship Propulsion Shafting with Misalignment Based on Stochastic Uncertainty Models |
| title_sort | investigation on dynamic behaviors of ship propulsion shafting with misalignment based on stochastic uncertainty models |
| topic | stochastic uncertainty dynamic behaviors ship propulsion shafting nonparametric theory stochastic excitation |
| url | https://www.mdpi.com/2077-1312/12/11/1927 |
| work_keys_str_mv | AT pengfeixing investigationondynamicbehaviorsofshippropulsionshaftingwithmisalignmentbasedonstochasticuncertaintymodels AT fengzhao investigationondynamicbehaviorsofshippropulsionshaftingwithmisalignmentbasedonstochasticuncertaintymodels AT xiaolianghe investigationondynamicbehaviorsofshippropulsionshaftingwithmisalignmentbasedonstochasticuncertaintymodels AT guobinli investigationondynamicbehaviorsofshippropulsionshaftingwithmisalignmentbasedonstochasticuncertaintymodels |