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Xi Lyu, Yushan Sun, Lifeng Wang, Jiehui Tan and Liwen Zhang
This study aims to solve the problems of sparse reward, single policy, and poor environmental adaptability in the local motion planning task of autonomous underwater vehicles (AUVs). We propose a two-layer deep deterministic policy gradient algorithm-bas...
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Zhuoran Li, Yushan Li, Wentao Zhu, Xiangbo Liu, Rou-Wen Chen, Aimin Wang and Xiubao Li
Coral?s susceptibility to bleaching is determined by the strength of the intricate mutual relationships among coral symbionts. However, there is limited knowledge about how the symbiotic members of the scleractinian coral Echinopora gemmacea respond to c...
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Jiyu Chen, Jing Gao, Qi Wang, Xianming Tan, Shenglan Li, Ping Chen, Taiwen Yong, Xiaochun Wang, Yushan Wu, Feng Yang and Wenyu Yang
Blue and red light are essential light signals used to regulate stomatal development and leaf structure. In the present study, stomatal and leaf traits that respond to blue and red light were studied at two light intensities (400 and 100 µmol m-2 s-1) in...
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Yushan Gao, Shihui Huo, Peiyan Wang and Ping Zhang
The load-carrying capacities of welded joints need to be paid attention to in the design of the frame, which transfers the thrust generated by the rocket engine to the rocket body. A load-carrying capacity evaluation method of welded joints based on the ...
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Yushan Wang, Jonathan Brand and Wentai Liu
Transcranial direct current stimulation (tDCS) is a non-invasive neuromodulation technique to treat brain disorders by using a constant, low current to stimulate targeted cortex regions. Compared to the conventional tDCS that uses two large pad electrode...
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Gongxing Wu, Xiaolong Zhao, Yushan Sun and Linling Wang
The towing operation of multi-tug-assisted ship navigation mainly relies on the experience of the captain, and there is no set of effective operation methods. Therefore, it is difficult to achieve accurate assisted navigation when multiple tugboats work ...
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Yushan Sun, Xiangrui Ran, Guocheng Zhang, Hao Xu and Xiangbin Wang
This study proposed the 3D path planning of an autonomous underwater vehicle (AUV) by using the hierarchical deep Q network (HDQN) combined with the prioritized experience replay. The path planning task was divided into three layers, which realized the d...
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Yushan Wang, Baowei Song and Zhaoyong Mao
Underwater wireless power transfer (WPT) technology can enhance the endurance of the autonomous underwater vehicles (AUV). WPT that based on electromagnetic theory will generate eddy current loss (ECL) in seawater. In this paper, we make use of shielding...
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Mark C. Johnson, Christopher M. Lew, Yushan Yan, Junlan Wang
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