Results 11 to 20 of about 1,734 (183)
Numerical Simulation of Nonlinear Flow Based on Element-Free Galerkin Method
Xibei Gongye Daxue Xuebao, 2019 This paper focuses on the studying on some flow problems of nonlinear based on the Element Free Galerkin method. First the Navier-Stokes equation is discretized with the Galerkin method. The inertial term in the equation is discretized with the method of
doaj +1 more source
Collaborative Control of Unmanned Underwater Vehicles [PDF]
Journal of Physics: Conference Series, 2021 Abstract This paper targets at urgent issues, which are the search for complex underwater environments and the effective control of underwater seas. Firstly, studies the collaborative control of task-oriented UUV. Secondly, designs reasonable controllers and prove the rendezvous of UUV.
Huailong Wang, Zhenxing Yao, Yinghui Guo
openaire +1 more source
A Method to Reduce Eddy Current Loss of Underwater Wireless Power Transmission by Current Control
Applied Sciences, 2022 In recent years, wireless power transmission (WPT) technology based on magnetic resonance has been extensively studied. However, in contrast to that in the air, wireless power transmission in seawater medium will be accompanied by inevitable energy loss,
Jiale Wang, Baowei Song, Yushan Wang
doaj +1 more source
Optimal design of power generation equipment for autonomous underwater vehicle
Advances in Mechanical Engineering, 2018 Autonomous underwater vehicle with the ability to generate electricity is an effective solution for detecting the ocean. In this article, a vertical-axis current generator for underwater vehicle is designed.
Fen Guo +3 more
doaj +1 more source
Dual-directional high sound absorption design utilizing multi-scale composite metamaterial for applications in both water and air [PDF]
AIP AdvancesThis study introduces a multi-scale composite metamaterial capable of simultaneously achieving dual-directional sound absorption in both air and water.
Guang Pan +3 more
doaj +1 more source
Imperfection sensitivity analysis for a composite bowed-out shell under axial compression
Advances in Mechanical Engineering, 2019 In this article, we present a systematic work to investigate the imperfection sensitivity of composite bowed-out shells with different layup patterns under axial compression. Two types of geometric imperfections, including eigenmode-shaped imperfections (
Zhun Li, Guang Pan, Kechun Shen
doaj +1 more source
AIP Advances, 2020 The nonlinear stability analysis of a structure with initial geometric imperfections is very complex, difficult, and unsolved yet in designing. At present, there are no unified design guidelines for imperfection sensitive metal shells (spherical ...
Zhun Li, Yonghui Cao, Guang Pan
doaj +1 more source
Dynamics Modeling and Motion Simulation of USV/UUV with Linked Underwater Cable
Journal of Marine Science and Engineering, 2020 This paper describes a study on the dynamic modeling and the motion simulation of an unmanned ocean platform to overcome the limitations of existing unmanned ocean platforms for ocean exploration.
Sung Min Hong +2 more
doaj +1 more source
Deep Reinforcement Learning for Vectored Thruster Autonomous Underwater Vehicle Control
Complexity, 2021 Autonomous underwater vehicles (AUVs) are widely used to accomplish various missions in the complex marine environment; the design of a control system for AUVs is particularly difficult due to the high nonlinearity, variations in hydrodynamic ...
Tao Liu, Yuli Hu, Hui Xu
doaj +1 more source
Research on Unmanned Underwater Vehicle Threat Assessment [PDF]
IEEE Access, 2019 The unmanned underwater vehicle (UUV) plays an ever increasing and important role in the modern marine environment. In particular, the tasks of underwater reconnaissance and surveillance, underwater mine hunting and anti-submarine warfare, all poses a serious and dangerous threat to humans.
Hongfei Yao +4 more
openaire +2 more sources