Results 41 to 50 of about 20,271 (75)

Numerical Simulation of Variable-Speed Propulsion Characteristics of Bionic Undulating Fins

open access: yes水下无人系统学报
The hydrodynamic performance of bionic undulating fin robots is crucial for their precise control. This paper investigated the hydrodynamic response mechanism of the undulating fin during acceleration and deceleration through numerical simulation ...
Chuanxin XU   +5 more
doaj   +1 more source

A Literature Analysis-Based Study on Advances in Underwater Multi-Robot Pursuit-Evasion Problems

open access: yes水下无人系统学报
Investigating the applications and challenges of multi-robot pursuit-evasion problems in underwater environments holds significant importance for enhancing the autonomous decision-making and collaborative capabilities of underwater robot systems.
Zhenkun LEI, Mingzhi CHEN, Daqi ZHU
doaj   +1 more source

Research Status and Development Trends of Deep-sea Unmanned Equipment Control System

open access: yes水下无人系统学报
Deep-sea unmanned equipment, as a strategic reflection of a nation’s marine scientific and technological strength, has been widely integrated into core fields such as resource exploration, marine scientific research, military security, and economic ...
Biao WANG   +3 more
doaj   +1 more source

Style Transfer-Based Augmentation for Side-Scan Sonar Images

open access: yes水下无人系统学报
Side-scan sonar(SSS) has been extensively adopted in ocean exploration because of its stability and efficiency when deployed on autonomous undersea vehicles(AUVs).
Zhongyu BAI   +3 more
doaj   +1 more source

Hybrid Finite Element Method Development for Offshore Structures’ Calculation with the Implementation of Industry Standards

open access: yesPolish Maritime Research, 2019
In the design process of offshore steel structures, it is typical to employ commercial calculation codes in which simulation and evaluation of results are performed on the basis of the available standards (e.g. API, DNV, Lloyds).
Łubiński Jacek, Olszewski Henryk
doaj   +1 more source

Adaptive Observation Method for CTD Data Based on Dolphin Deep-Sea Profiling Buoy

open access: yes水下无人系统学报
During the profiling observation process of deep-sea profiling buoys, an appropriate sensor sampling frequency must be implemented to reduce power consumption in data acquisition and transmission due to low-power design requirements.
Chu LIU   +4 more
doaj   +1 more source

Effects of Water Intake Layout along the Wharf Shoreline on Ships

open access: yesPolish Maritime Research, 2019
The construction of a water intake along the wharf shoreline can realise the intensive and comprehensive utilisation of the shoreline. However, since the water intake will increase the lateral flow at the wharf and also the hydrodynamic forces on ships ...
Kong Xian-wei   +4 more
doaj   +1 more source

Analysis of Multi-Degree-of-Freedom Equipment Shock Response Based on Deep Learning

open access: yes水下无人系统学报
To analyze the response of multi-degree-of-freedom ship equipment under explosive shock loads, this study proposed a deep learning-based shock response prediction model.
Qinyi HUANG   +4 more
doaj   +1 more source

Analysis of the Effect of Structural Flexibility on Dynamic Characteristics of Power Tri-branching Reducers

open access: yes水下无人系统学报
To investigate the effect of structural flexibility of the housing, shaft, and spline coupling on the meshing stiffness of the gear and dynamic response of the powertrain system and compare the differences between different modeling methods, a power tri ...
Hai YAN, Lihua WEN, Hao CAO, Wen SONG
doaj   +1 more source

Short-Time Motion Analysis of Underwater High-Speed Moving Target Based on Pseudo-Linear Kalman Filter

open access: yes水下无人系统学报
Detection of underwater high-speed moving targets faces challenges, such as long active detection cycles, discontinuous data, and passive detection failing to obtain target range, which makes it difficult to quickly and effectively calculate target ...
Junhao ZHAO   +4 more
doaj   +1 more source

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