Results 81 to 90 of about 14,813 (260)

Dynamic Analysis of Crane Vessel and Floating Wind Turbine during Temporary Berthing for Offshore On-Site Maintenance Operations

Journal of Marine Science and Engineering
With the increased scale and deployment of floating wind turbines in deep sea environments, jack-up installation vessels are unable to conduct maintenance operations due to limitations in water depth.
Jinkun Shi, Mingfeng Hu, Yifan Zhang, Xiaodong Chen, Sheng Yang, Thiago S. Hallak, Mingsheng Chen   +6 more
doaj   +1 more source

Payload accommodations. Satellite servicing support [PDF]

The proposed technology studies discussed at the Space Transportation Avionics Symposium in Williamsburg, VA on 7 to 9 November 1989, are discussed. The discussions and findings of the Payload Accommodations Subpanel are also summarized.
Lee, Roscoe
core   +1 more source

Space Shuttle orbiter modifications to support Space Station Freedom [PDF]

The Space Shuttle will be the primary vehicle to support the launch, assembly, and maintenance of the Space Station Freedom (SSF). In order to accommodate this function, the Space Shuttle orbiter will require significant modifications.
Lichtenfels, Allyson, Segert, Randall
core   +1 more source

Null-space-based active disturbance rejection control allocation for ship autonomous berthing

Zhongguo Jianchuan Yanjiu
ObjectiveThis paper proposes a null-space-based active disturbance rejection control （ADRC）allocation method to analyze the influence of multi-source disturbances encountered during the autonomous berthing of ships, such as environmental loads, bank ...
Ling YANG, Haixiang XU, Wenzhao YU
doaj   +1 more source

Telescoping space station modules [PDF]

A design concept is described wherein telescoping space station modules would be utilized to nearly double the useful volume onboard a station. Methods for utilizing the concept to obtain enchanced protection from space debris and radiation are described.
Witcofski, R. D.
core   +1 more source

Reinforcement Learning-Based Automatic Berthing System [PDF]

, 2021
Dae-Soo Lee
openalex   +1 more source

Artificial neural network controller for automatic ship berthing using head-up coordinate system

International Journal of Naval Architecture and Ocean Engineering, 2018
The Artificial Neural Network (ANN) model has been known as one of the most effective theories for automatic ship berthing, as it has learning ability and mimics the actions of the human brain when performing the stages of ship berthing.
Nam-Kyun Im, Van-Suong Nguyen
doaj   +1 more source

Modular space station phase B extension period executive summary [PDF]

A narrative summary is presented of technical, programmatic, and planning information developed during the space station definition study extension period.
Could, C. L., Tischler, A. A.
core   +1 more source

Research hotspots and tendency of intelligent ship berthing technology

Zhongguo Jianchuan Yanjiu
This paper reviews the research status of intelligent ship berthing technology at home and abroad in recent years. The hotspots and applications of berthing technology are summarized in the three aspects of berthing mode, mathematical model and control ...
Guoshuai LI, Xianku ZHANG, Anchao ZHANG
doaj   +1 more source

Space Station based options for orbiter docking/berthing [PDF]

Conceptual efforts to develop a Space Station based system for docking and/or berthing the NSTS Orbiter are described. Past docking and berthing systems are reviewed, the general requirements and options for mating the Orbiter and Space Station are ...
Hoover, Daniel J.
core   +1 more source