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Fan Zhang, Zhiwei Zhang, Zhonglin Zhang, Tianzhen Wang, Jingang Han and Yassine Amirat
Electric ships have been developed in recent years to reduce greenhouse gas emissions. In this system, inverters are the key equipment for the permanent-magnet synchronous motor (PMSM) drive system. The cascaded insulated-gated bipolar transistor (IGBT)-...
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Dingnan Song, Ran Liu, Zhiwei Zhang, Dingding Yang and Tianzhen Wang
Tidal stream turbines (TSTs) harness the kinetic energy of tides to generate electricity by rotating the rotor. Biofouling will lead to an imbalance between the blades, resulting in imbalanced torque and voltage across the windings, ultimately polluting ...
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Dongxu Jia, Tianzhen Wang, Yassine Amirat and Yunjie Tang
Marine current energy is an abundant renewable energy resource. Marine current turbines (MCTs) can convert the kinetic energy of marine currents into electrical energy. However, the variations in the marine currents are violent and complex. These charact...
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Youming Cai, Mingzhu Li, Tianzhen Wang, Xiaohang Wang and Hubert Razik
Power extraction has become a critical consideration in tidal stream turbine (TST) systems. In practice, the lumped disturbances under varying tidal current conditions may deteriorate the maximum power point tracking (MPPT) performance and cumulate fatig...
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Diju Gao, Peng Zhou, Weifeng Shi, Tianzhen Wang and Yide Wang
A new method is proposed for the dynamic obstacle avoidance problem of unmanned surface vehicles (USVs) under the international regulations for preventing collisions at sea (COLREGs), which applies the particle swarm optimization algorithm (PSO) to the d...
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Xu Zheng, Tianliu Zhang, Tianzhen Wang, Qunhao Niu, Jiayuan Wu, Zezhao Wang, Huijiang Gao, Junya Li and Lingyang Xu
Genomic selection (GS) has been widely used in livestock breeding. However, the long-term impact of GS on genetic gain, as well as inbreeding levels, has not been fully explored in beef cattle. In this study, we carried out simulation analysis using diff...
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Guangfeng Jin, Tianzhen Wang, Yassine Amirat, Zhibin Zhou and Tao Xie
Grid-connected inverters are the core equipment for connecting marine energy power generation systems to the public electric utility. The variation of current sensor fault severity will make fault samples multimodal. However, linear discriminant analysis...
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Jiajia Wei, Tao Xie, Ming Shi, Qianqian He, Tianzhen Wang and Yassine Amirat
Marine current energy as a kind of renewable energy has gradually attracted more and more attention from many countries. However, the blade imbalance fault of marine current turbines (MCTs) will have an effect on the power production efficiency and cause...
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Lisu Chen, Wei Li, Jie Li, Qiang Fu and Tianzhen Wang
Since 1973, studies have explored ocean power generation from different perspectives. However, in the past 45 years, few studies have attempted to comprehensively review the existing studies on ocean power generation using wave energy, tidal current ener...
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