Results 11 to 20 of about 9,791 (320)

Study on Abilities of Harbour Tugboats

open access: bronzeJournal of the Society of Naval Architects of Japan, 1987
It is widely known that tugboats play very important roles for harbour manoeuvres of large ships. There have, however, been few researches on abilities of such tugboats.In the present report, an attempt is done to establish the procedure for estimating the abilities of tugboats running with large ships.
Kuniji Kose   +3 more
openalex   +3 more sources

Dual-Objective Optimization of Port Tugboat Scheduling with Heterogeneous Service Capabilities

open access: yesJournal of Marine Science and Engineering
As critical hubs in the global supply chain, a port’s competitiveness and sustainability are directly impacted by the efficiency and carbon emissions of its tugboat scheduling.
Chao Fang   +3 more
doaj   +2 more sources

Modeling and Control of Tugboat-Assisted Operation for Marine Vessels

open access: yesJournal of Marine Science and Engineering
This paper introduces a novel approach to modeling and control system design for tugboat-assisted operations, such as the docking and rescue of marine vessels.
Jung-Suk Park   +4 more
doaj   +2 more sources

Logic-Based Benders Decomposition for Unmanned Electric Tugboat Scheduling Considering Battery-Swapping Operations [PDF]

open access: goldJournal of Marine Science and Engineering
As the electrification reform accelerates in ports worldwide, the application of electric tugboats is becoming more widely applied, posing a challenge in the balance between working arrangement and energy replenishment, especially when the shore energy ...
Guodong Ma   +3 more
openalex   +2 more sources

Dynamic Tugboat Scheduling for Large Seaports with Multiple Terminals

open access: yesJournal of Marine Science and Engineering
Effective utilization of tugboats is the key to safe and efficient transport and service in ports. With the growth of maritime traffic, more and more large seaports show a trend toward becoming super-scale, and are divided into multiple specialized ...
Changping Sun   +3 more
doaj   +2 more sources

Port Tugboat Formation Multi-Agent Control System [PDF]

open access: yesTransNav, 2021
The publication presents the structure of the agent system, tasked with control of the formation of unmanned port tugboats capable of performing pilot and towing services.
Wojciech Koznowski, Andrzej Lebkowski
doaj   +2 more sources

Design and sizing of an energy storage system for a hybrid tugboat

open access: greenIEEE International Conference on Compatibility, Power Electronics and Power Engineering
The global maritime industry is increasingly prioritizing sustainability, promoting the adoption of various hybrid and fully electric propulsion systems for different vessel types.
Leonardo Solís Zamora
openalex   +2 more sources

Analisis Kekuatan Struktur Kapal Tugboat Akibat Modifikasi Deck House

open access: yesWave
Modifikasi pada struktur deck house kapal tugboat dilakukan untuk memperbaiki akses tangga menuju ruang galley yang terlalu sempit. Namun, perubahan ini dapat memengaruhi kekuatan struktur kapal tugboat, khususnya pada frame 42 hingga 52. Oleh karena itu,
Hendrian Syah   +2 more
doaj   +2 more sources

Model of the life cycle of an automated tugboat in the system of autonomous ship guiding and mooring in a seaport

open access: hybridVestnik Gosudarstvennogo universiteta morskogo i rechnogo flota imeni admirala S O Makarova
This paper presents a conceptual life cycle model of an automated tugboat (AT) operating within a system that provides autonomous ship guiding and mooring in a seaport.
Ya. V. Burylin   +2 more
openalex   +3 more sources

Optimization of Integrated Tugboat–Berth–Quay Crane Scheduling in Container Ports Considering Uncertainty in Vessel Arrival Times and Berthing Preferences [PDF]

open access: goldJournal of Marine Science and Engineering
Influenced by the dynamics of supply and demand, the demand for maritime transport has been increasing annually, putting significant pressure on container ports.
Liangyong Chu   +3 more
openalex   +2 more sources

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