Abstract: 1 Swarm control of USVs based on adaptive backstepping combined with sliding mode…Hu Jianzhang,Tang Guoyuan,Wang Jianjun,et al (1)2 Automatic collision avoidance algorithm for unmanned surface vessel based on improved Bi-RRT algorithm…Ouyang Zilu,Wang Hongdong,Wang Jianyao,et al (8)3 Heading control method of unmanned sailing boats based on fuzzy PID…Zhang Xuefei,Yuan Peng,Tan Junzhe,et al (15)4 Design and analysis of fully-actuated AUV's three-dimensional path tracking control system…Yao Jinyi,Zeng Qingjun,Zhao Qiang,et al (22)5 Design and verification of a current-pulsed power supply for special loads…Yan Minxiong,Chen Rui, Wang Wei,et al (30)6 Application of asymmetric full-bridge flying-capacitor MMC in marine propulsion motor…Guo Yi,Zhao Yibo,Zhao Ran (37)7 Realtime power quality evaluation system of the electric propulsion ship based on AHP-fuzzy comprehensive evaluation method…Zhang Wenbao,Shi Weifeng,Lan Ying,et al (48)8 Magnetic field data acquisition technology of dual-ring network based on STM32+W5500…Yu Wanxiang,Li Weibo,Xu Cong,et al (58)9 Ship shaft segment location and working space analysis based on parallel platform…Lan Junhui, Li Tianyun, Zhu Xiang,et al (67)10 Analysis on the influence of submarine's internal tank on the acoustic target strength…Yan Jiaxiang,Xing Junhua,Zhang Junping (73)11 Stealth analysis and sensitivity calculation of ship air-intake grille…Du Xiaojia,Ding Fan (81)12 Prediction method of hydrofoil vortex shedding frequency at high Reynolds numbers…Hou Lei,Ding Yunfeng,Wang Qing,et al (88)13 Numerical simulation of gas jet noise in the underwater blowdown process…Cai Biaohua,Xiao Longzhou,Fang Chao,et al (98)14 Numerical simulation of oblique water-exit process of trans-media aerial underwater vehicle…Tan Junyi,Hu Junhua,Chen Guoming,et al (104)15 Numerical simulation of dynamic response of steel plate subjected to multiple underwater explosions…Zhang Fei,Zhang Chunhui,Zhang Lei,et al (122)16 Analysis on the shape-size coupling optimization of ore carrier's hatch corners based on sub-model under multiple load cases…Chen Xue,Wang Deyu (130)17 Topology and opening size optimization design of solid floors in an outer tank of the pressure hull…Dai Ruijie,Liu Yong,Cheng Yuansheng,et al (139)18 Topology and size optimization design of a long underwater foundation…Wang Yue,Shen Zhihua,Xiao Wei,et al (147)19 Modeling and analysis of decentralized intermediate mass hybrid vibration isolation system considering actuator output constraints…Niu Ning,Liu Zhong,Sun Lingling (155)20 Analysis on the vibration power flow of double-layer plates based on wave method…Yang Peikai,Chen Meixia,Chen Lejia (164)21 Prediction on hull vibration and underwater noise radiation based on modified LMM…Jiang Chaojun,Xiang Yang,He Peng,et al (172)22 Effect of nonlinear slamming loads on the fatigue damage of a ship with large flare…Xu Zhiting,Zhao Chao,Wang Fuhua (180)23 Structural strength analysis of car Ro-Ro ship with different flexible support decks under racking condition…Ni Minjie,Yu Yishan,Wang Lijun,et al (186)24 Method of on-call submarine searching for surface ship formation based on hidden Markov model…Bian Dapeng,Yu Shanshan,Zhang Shi,et al (192)25 Amplitude correction method of signals measured by hydrophone based on FIR filter design…Huang Cong,Zhu Weifeng,Wang Xiaorong(201)