Results 51 to 60 of about 10,385 (170)
Difference in ship motion and wave load in long and short crested irregular waves
, 2023 ObjectiveTo investigate ship motion and load responses in realistic 3D waves and overcome the limitations of the traditional 2D wave assumption, this paper develops a method for predicting ship motion and load responses in short-crested waves.
Shuzheng SUN +3 more
core +1 more source
Ship local path planning method based on three-dimensional potential field model
Zhongguo Jianchuan YanjiuObjectives To make local path planning algorithms more consistent with the maneuvering characteristics of ships, thereby generating safer and more reliable reference paths, this paper proposes a three-dimensional potential field modeling method ...
Qunpeng WANG +6 more
doaj +1 more source
Ship path planning and tracking based on rapidly exploring random tree star and convex optimization
Zhongguo Jianchuan YanjiuObjectivesTo address the challenges of path planning and tracking for underactuated ships in obstacle-filled waters, this paper proposes a ship path planning and tracking algorithm based on the rapidly exploring random tree (RRT*) and convex optimization.
Chang ZHOU +4 more
doaj +1 more source
, 2017 [Objectives] Ship conceptual design requires the coordination of many different disciplines for comprehensive optimization, which presents a complicated system design problem affecting several fields of technology.
WANG Tao +3 more
core +1 more source
Autonomous decision-making method of unmanned ship based on improved DDPG algorithm
Zhongguo Jianchuan YanjiuObjectivesTo enhance the safety and efficiency of maritime traffic, this paper proposes an autonomous collision avoidance decision-making method for unmanned ships based on an enhanced Deep Deterministic Policy Gradient (DDPG) algorithm. Methods In order
Wei GUAN +3 more
doaj +1 more source
Numerical analysis of viscous effect on ship rolling motions based on CFD
, 2017 During the ship design procedure, the analysis of ship rolling motions is of great significance because the rolling motions have extraordinary effects on the sea-keeping, maneuverability and stability of a ship.
LUO Tian, WAN Decheng
core +1 more source
Zhongguo Jianchuan YanjiuObjectivesTo fully consider intact initial imperfections, including welding initial deformation and residual stress, it is necessary to conduct a study on the plastic deformation distribution and ultimate strength of a box girder under different cyclic ...
Huwei CUI, Runwen HU, Qiyin DING
doaj +1 more source
Zhongguo Jianchuan YanjiuObjectiveIn order to improve the safe and stable operation level of compressor equipment, this paper puts forward a rapid diagnosis method of surge states based on hybrid deep learning parameter identification, and proposes an active disturbance ...
Shoutai SUN, Bing TANG, Yali XUE, Li SUN
doaj +1 more source
Ship structure collision experiments and simplified numerical calculation method [PDF]
ObjectivesAlthough the fluid-structure interaction calculation method can better simulate the ship collision process, it requires a longer calculation time. To address this problem, a simplified numerical calculation method is proposed.
Ying LI +5 more
core +1 more source
Distributed network-based integrated navigation methodfor surface ship formation
Zhongguo Jianchuan YanjiuObjective In systematic operations, ship formation navigation faces such challenges as equipment damage, electromagnetic interference and complex operational environments.
Wentao HUANG +4 more
doaj +1 more source