Results 91 to 100 of about 3,423 (222)

Unsupervised Port Berth Identification from Automatic Identification System Data

Port berthing sites are regions of high interest for monitoring and optimizing port operations. Data sourced from the Automatic Identification System (AIS) can be superimposed on berths enabling their real-time monitoring and revealing long-term utilization patterns.
Hadjipieris, Andreas, Dimitriou, Neofytos, Arandjelović, Ognjen   +2 more
openaire   +2 more sources

Path planning for auto docking of underactuated ships based on Bezier curve and hybrid A* search algorithm

Zhongguo Jianchuan Yanjiu
ObjectiveThis paper develops a multi-stage path planning algorithm for the auto docking operation of an underactuated surface vehicle (USV). As one of the most difficult tasks, docking requires advanced maneuvering skills.
Zhihuan HU, Ziheng YANG, Weidong ZHANG
doaj   +1 more source

Quantitative analysis of the impact of COVID-19 on ship visiting behaviors to ports- A framework and a case study. [PDF]

Ocean Coast Manag, 2022
Wang X, Liu Z, Yan R, Wang H, Zhang M.
europepmc   +1 more source

NASREN: Standard reference model for telerobot control [PDF]

A hierarchical architecture is described which supports space station telerobots in a variety of modes. The system is divided into three hierarchies: task decomposition, world model, and sensory processing.
Albus, J. S., Lumia, R., Mccain, H.
core   +1 more source

Autonomous rendezvous and docking operations of unmanned expendable cargo transfer vehicles (e.g. Centaur) with Space Station Freedom [PDF]

This paper describes the results of the feasibility study using Centaur or other CTV's to deliver payloads to the Space Station Freedom (SSF). During this study was examined the requirements upon unmanned cargo transfer stages (including Centaur) for ...
Emmet, Brian R.
core   +1 more source

Analisis Optimalisasi Pengembangan Sarana Dan Prasarana Terminal Peti Kemas Semarang [PDF]

, 2017
Tujuan studi penelitian ini untuk mengetahui kinerja dan kapasitas dermaga, kinerja dan kapasitas container yard, dan kapasitas alat yang berada di Terminal Peti Kemas Semarang, yaitu Container Crane (CC), Automatic Rubber Tyred Gantry (ARTG) dan Rubber ...
Ariska, D. G. (Dea), Basuki, K. H. (Kami), Djambek, N. P. (Nanda), Kushardjoko, W. (Wahyudi)   +3 more
core  

Classification and recognition of spatio-temporal behavior of ships based on deep learning of trajectory feature images

Zhongguo Jianchuan Yanjiu
ObjectiveTo address the issues of low efficiency and inaccurate ship behavior recognition when handling large-scale ship trajectory data, this paper proposes a method for recognizing and classifying ship behaviour based on trajectory feature image ...
Yu ZHOU, Liang HUANG, Chunhui ZHOU, Yuanqiao WEN, Yamin HUANG, Jiaci WANG   +5 more
doaj   +1 more source

Formulating Cybersecurity Requirements for Autonomous Ships Using the SQUARE Methodology. [PDF]

Sensors (Basel), 2023
Yoo J, Jo Y.
europepmc   +1 more source

Orbital Fluid Resupply Assessment [PDF]

Orbital fluid resupply can significantly increase the cost-effectiveness and operational flexibility of spacecraft, satellites, and orbiting platforms and observatories. Reusable tankers are currently being designed for transporting fluids to space.
Eberhardt, Ralph N.
core   +1 more source

Examining Container Terminal Efficiency with Diverse Data Sources: Vessel, Truck, and Container Turnaround Times in Japanese Terminals

Logistics
Background: Improving container terminal efficiency requires a comprehensive understanding of the interactions between vessel, truck, and container operations, yet existing studies often analyzed these components separately.
Daigo Shiraishi, Wenru Zhang, Ryuichi Shibasaki, Yesim Elhan-Kayalar   +3 more
doaj   +1 more source