... ABSTRACT Autonomous Underwater Vehicles (AUVs) play a significant role in marine environmental monitoring, marine resource exploration, and seabed topography mapping. However, the design of buoyancy and balance systems for AUVs still faces many challenges. In response to the limitations...

... ABSTRACT As the ocean occupies more than 70% of the total area of the earth, it contains extremely rich mineral resources and ecological resources, and human exploration of the ocean is also constantly developing. autonomous underwater vehicles (AUVs) play an extremely important role in ocean...

... ABSTRACT This study investigates the effect of the seabed on the hydrodynamic performance of a vertical ducted propeller on the Autonomous Underwater Vehicle (AUV). Improved Delayed Detached Eddy Simulation (IDDES) turbulence model applied to solve the flow field. Different near-seabed...

... ABSTRACT In this paper, a control moment gyros (CMGs) actuated autonomous underwater vehicle (AUV) prototype is developed, to verify its effectiveness as an inner actuator for the control of attitude and trajectory tracking. First, the model of AUV and CMGs are established...

... ABSTRACT Autonomous Underwater Vehicles ( AUVs ) play a crucial role in marine and ocean research, with ongoing development focusing on adapting AUVs to various operational conditions. The hydrodynamic performance of an AUVs including hydrodynamic forces, resistance, and turning moments, can...

... ABSTRACT Based on the emergency blowdown characteristic of X rudder AUV and the narrow channel characteristic of experiment waters, this paper proposes a method of X rudder AUV emergency blowup and tracking safe route, and designs a PID control algorithm of tracking safe line...

... ABSTRACT The underwater docking of Autonomous underwater vehicle (AUV) can increase mission duration and expand mission scope of the AUV. However, due to the complexity of the underwater environment, the underwater docking process is full of challenge, such as uncertainties of trajectory...

... ABSTRACT To address the challenges of three-dimensional path following under limited rudder rate conditions and the constraints on AUV flexibility imposed by conventional line-of-sight (LOS) guidance algorithms, this study proposes a fuzzy controller with a series-parallel PID configuration...

... ABSTRACT Operating Autonomous Underwater Vehicles (AUVs) in swarm formations can get pretty complicated because of the way they interact with each other in the water, especially due to negative pressure drag. While earlier studies primarily looked at multi-AUV setups, this research continues...

... ABSTRACT In the control system of autonomous underwater vehicle (AUV), depth meter is the key sensor, and its accuracy directly affects the attitude control and task execution of AUV. However, the depth meter is easily disturbed by noise or malfunction in complex underwater environment, which...

... ABSTRACT This study addresses compromised Autonomous Underwater Vehicles (AUVs) attitude control at low surge velocities, where reduced rudder effectiveness jeopardizes precise positioning and near-field operations. A dynamic equilibrium control algorithm leveraging Model Predictive Control...

... impact. Therefore, accurately predicting the water entry impact load during the AUV airdrop process is of great significance. In this study, the slamming load characteristics of airborne AUVs is simulated based on the Computational Fluid Dynamics (CFD) method and the influence of motion parameters...

..., Hubei, China ABSTRACT This paper proposes a new algorithm for the fault tolerance control of the X-rudder Underwater Vehicle. First, a fault model of an X-rudder AUV is added to testify to the control effect of the proposed controller. Second, a PID controller with nonlinear decoration to eliminate...

... ABSTRACT Within intricate marine surroundings, path tracking and autonomous obstacle avoidance are key technologies for under-actuated unmanned autonomous underwater vehicle (AUV) to fulfil specific tasks. The highly nonlinear and coupled nature of under-actuated modes causes under-drive AUV...

... Hazard Avoidance for Underwater Submarines Yihua Liu, Zhiyuan Xu Merchant Marine College, Shanghai Maritime University, Shanghai,China ABSTRACT This paper focuses on AUV (Autonomous Underwater Vehicle), a large class of underwater submarines, and the main research direction is the path planning problem...

... in Vertical Plane of AUV Based on the Fuzzy PID and Fuzzy Immune PID Zhiqiang Yang1, Bin He2, Xiong Shen2, Guohua Xu1 1 School of Naval Architecture and Ocean Engineering, Huazhong University of Science and Technology, Wuhan, Hubei, China 2 No.2 research Department, Wuhan Second Ship Design and Research...

... of an AUV Based on Non-Inertial Frame CFD Simulation Results and AI-Recognized System Siyu CHAN, Hiroyoshi SUZUKI Department of Naval Architecture and Ocean Engineering, Osaka University Suita, Osaka, Japan ABSTRACT Amidst the continuous expansion of resource demands, Autonomous Underwater Vehicles (AUVs...

...Proceedings of the Thirty-fourth (2024) International Ocean and Polar Engineering Conference Rhodes, Greece, June 16 21, 2024 Copyright © 2024 by the International Society of Offshore and Polar Engineers (ISOPE) ISBN 978-1-880653-78-4; ISSN 1098-6189 www.isope.org A better X rudder AUV depth...

... for AUV in Polar Environments Peiyan Gao1,2,3, Yuliang Wang1,2,3, Yiping Li1,2,4, Shuxue Yan1,2,4, Shuo Li1,2,4 1 State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China 2 Institutes for Robotics and Intelligent Manufacturing, Chinese Academy...

... technology, battery technology and artificial intelligence technology, AUV, which integrates these technologies, has also been greatly improved and has more application scenarios. For example, in the civil aspect, AUV can conduct submarine survey, underwater search, underwater equipment maintenance, drilling...