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Yixiong He, Zijun Du, Liwen Huang, Deqing Yu and Xiao Liu
A maneuvering decision-making model based on time series rolling and feedback compensation methods is proposed to solve the problem of high traffic risk in Chengshantou traffic separation scheme (TSS) waters. Firstly, a digital traffic environment model ...
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Ke Zhang, Liwen Huang, Xiao Liu, Jiahao Chen, Xingya Zhao, Weiguo Huang and Yixiong He
In the last few years, autonomous ships have attracted increasing attention in the maritime industry. Autonomous ships with an autonomous collision avoidance capability are the development trend for future ships. In this study, a ship manoeuvring process...
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Liwen Huang, Yingfan Chen, Lei Wu, Cheng Xie and Shuzhe Chen
There is a need to study the evolutionary laws of the risks in the navigation environments of complex marine areas. This can promote shipping safety using an early-warning system. The present study determines shipping flows and meteorological conditions ...
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Weiqiang Wang, Liwen Huang, Kezhong Liu, Xiaolie Wu and Jingyao Wang
It is crucial to develop a COLREGs-compliant intelligent collision avoidance system for the safety of unmanned ships during navigation. This paper proposes a collision avoidance decision approach based on the deep reinforcement learning method. A modifie...
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Bing Wang, Yixiong He, Weixuan Hu, Junmin Mou, Liling Li, Ke Zhang and Liwen Huang
A great number of collision accidents can be attributed to incongruous collision-avoidance actions between the give-way vessel and the stand-on vessel in a crossing or overtaking situation. If the give-way vessel does not take appropriate collision-avoid...
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Bing Ren, Meiyong Liao, Masatomo Sumiya, Jian Huang, Linjun Wang, Yasuo Koide and Liwen Sang
The authors report on a vertical-type visible-blind ultraviolet (UV) Schottky-type photodetector fabricated on a homoepitaxial GaN layer grown on free-standing GaN substrates with a semi-transparent Ni Schottky contact. Owing to the high-quality GaN drif...
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