... in safe conditions. In this study, linear microtremor array and Distributed Acoustic Sensing (DAS) measurements using passing vehicle vibrations were carried out for highway embankments. The measurement results from both methods were compared. S-wave velocity distribution in the embankment obtained by DAS...

... for intelligent ships, serve the research of unmanned ship maneuvering algorithms. artificial intelligence collision avoidance information risk management decision-making collision accident university vehicle longitudinal transverse navigation algorithm ship trajectory prediction starboard...

... varying levels of acceleration in the surrounding fluid. This can result in unsteady flow and hydrodynamic interactions between the vehicle's surfaces and its surroundings. Consequently, the underwater vehicle may require additional speed or experience turbulence as a result of the disturbances created...

...-sea mining vehicles: A discrete phase model based on investigation of the effect of relative dimensions Shihang Liu 1,2,3, Jianmin Yang 1,2,3 Haining Lu 1,2,3, Pengfei Sun 1,2,3 and Bei Zhang 1,2,3 1 State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai, China 2 Yazhou Bay...

... ABSTRACT A dynamic model of the wind-monorail vehicle-bridge coupled system is established. The proposed framework is applied to the dynamic analysis of a monorail-cum-road long-span cable-stayed bridge scheme. The whole histories of the vehicles passing through the bridge are simulated...

... of a Submerged Underwater Vehicle in Two-layer Fluids Gang Gao1, Qingjie Meng2, Liushuai Cao1, Decheng Wan1* 1 Computational Marine Hydrodynamics Lab (CMHL), School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiao Tong University, Shanghai, China 2 Wuhan Second Ship Design and Research Institute...

...) method based on recurrent neural networks (RNNs) to achieve stabilized motion of a four-degree-of-freedom remotely operated vehicle (ROV) under ROV uncertainty and the presence of external disturbances. Luis et al. (2019) proposed a model-free, jitter-free second-order sliding-mode control combined...

... for underwater exploration, focusing on a shoal of three biomimetic vehicles, each equipped with distinct sensors. The aim is to efficiently model the coordinated behaviour of the robots within the team in exploring an area with certain Points of Interest (POIs) through predefined cyclical paths. Depending...

... Technology of Flexible Traction High Inertia Underwater Vehicle Based on Particle Swarm Optimization PID Hongming Wu1, Yingkai Xia2, Xiong Li3, Chaocheng Hu1, Guohua Xu1 1. Underwater Technology Laboratory, School of Naval Architecture and Ocean Engineering, Huazhong University of Science and Technology...

... qinhuangdao port vehicle navigation level 3 port ship research capacity port waterway capacity level 2 university level 1 Proceedings of the Thirty-fourth (2024) International Ocean and Polar Engineering Conference Rhodes, Greece, June 16 21, 2024 Copyright © 2024 by the International Society...

... allowable stress vehicle car deck plate stress result ABSTRACT Ro-Ro ships can roll-on or roll-off cargo with self-driving power such as passenger cars and trucks, and container cargo on transport devices such as trucks or trailers on a ramp. The representative types of Ro-Ro ships are PCC (Pure...

... ABSTRACT The combination of aerodynamic and hydrodynamic forces for weight alleviation have been proposed by researchers engaged in the development of future viable marine transport vehicles. For these concept vehicles, a sub-Aerodynamically Alleviated Zone (sub-AAZ) was defined as a position...

... asia government electrical industrial apparatus litter yamamoto artificial intelligence mobility vehicle underwater structure kenbot japan government sub-sea system asv rov joint mobility vehicle island underwater vehicle operator vehicle remotely operated vehicle ocean...

... ABSTRACT The rapidity is an important index to measure the shape of underwater vehicles, the resistance and wake performance are important components that can not be ignored. The energy saved from propulsion power of the vehicle, which is often hundreds of kilowatts, can provide greater...

... ABSTRACT This study focuses on the hydrodynamic testing of a novel wave-propelled Autonomous and Surface Vehicle (ASV) called Demeter. The main objective of the study is to understand the vehicle performance in different wave conditions and its wave propulsion capability. Experiments were...

... ABSTRACT Unmanned underwater vehicles are a kind of important tool in the exploration and exploitation of the ocean today, and pressure hull structures are the most important component of unmanned underwater vehicles. On the premise of meeting the performance requirements, reducing the mass...

... united states government multi-winged towed vehicle main wing coefficient calculation canard wing towed vehicle control performance interference control input motion control performance vehicle simulation tail wing intentional instability wing angle exploration characteristic...

... social responsibility sustainability vehicle wind energy sustainable development neural network sub-sea system underwater vehicle hydrodynamic characterization platform engineering remotely operated vehicle autonomous underwater vehicle configuration deep learning information...

... For conducting efficient seafloor topography mapping and getting detailed maps, the utilization of multiple autonomous underwater vehicles (AUVs) is one of the promising measures. The National Maritime Research Institute (NMRI) has been studying the development of a multi-vehicle operation strategy on cruising...

... ABSTRACT The influence of high frequency ultrasonic waves on the bubble wake features of underwater vehicles is experimentally studied. The experimental results show that under the action of the high frequency ultrasonic wave, the bubble wake feature intensity of the underwater vehicle...