Analysis of the Concentration of Emissions from the Spanish Fleet of Tugboats by Andrés Ortega-Piris, Emma Diaz-Ruiz-Navamuel, Alvaro Herrero Martinez, Miguel A. Gutierrez, Alfonso-Isidro Lopez-Diaz

“…The objective of this work was to determine the greenhouse gas emissions caused by the activity of the Spanish tugboat fleet, studying the tugboat fleet of the eleven autonomous coastal Spanish communities from 2004 to 2017 and their impact on the carbon footprint of the country’s shipping sector. …”
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Dynamic Tugboat Scheduling for Large Seaports with Multiple Terminals by Changping Sun, Mengxia Li, Linying Chen, Pengfei Chen

Subjects: “…tugboat scheduling…”
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Hazard Identification for Tugboat Girting During Towing Operations by Osama El Desouky

“…This study aims to investigate the dangers associated with the use of conventional tugboats during towing operations, with a focus on the loss of stability caused by girting. …”
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Tugboat Scheduling with Multiple Berthing Bases under Uncertainty by Botang Li, Qiong Chen, Yui-yip Lau, Maxim A. Dulebenets

Subjects: “…tugboat scheduling…”
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STRATEGI PENDANAAN INVESTASI TUGBOAT DAN TONGKANG DI PTMS by Adityo Reksoprawiro

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Rule-Based Control Studies of LNG–Battery Hybrid Tugboat by Sharul Baggio Roslan, Zhi Yung Tay, Dimitrios Konovessis, Joo Hock Ang, Nirmal Vineeth Menon

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Life cycle assessment of diesel and hydrogen power systems in tugboats by Chen, Zhong Shuo, Lam, Jasmine Siu Lee

“…Specifically, the hydrogen-powered tugboat can reduce up to 48,552,160 kg CO2 equivalent of global warming, 51,930 kg SO2 equivalent of acidification, 11,476 kg PO4- equivalent of eutrophication, and 2,629 kg C2H4 equivalent of photochemical oxidation compared to the diesel tugboat. …”
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Analysis of Hull Shape Impact on Energy Consumption in an Electric Port Tugboat by Wojciech Koznowski, Andrzej Łebkowski

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A Review of Autonomous Tugboat Operations for Efficient and Safe Ship Berthing by Jun-Hyuk Choi, Ju-Yeong Jang, Joohyun Woo

Subjects: “…autonomous tugboats…”
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An improved gray wolf optimization to solve the multi-objective tugboat scheduling problem by Peng Yao, Xingfeng Duan, Jiale Tang

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Self-labelling of tugboat operation using unsupervised machine learning and intensity indicator by Januwar Hadi, Dimitrios Konovessis, Zhi Yung Tay

“…This paper aims to develop a self-labelling framework for tugboat operation by using unsupervised machine learning and a proposed intensity indicator. …”
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Investigation of Effect on Environmental Performance of Using LNG as Fuel for Engines in Seaport Tugboats by Sergejus Lebedevas, Lukas Norkevičius, Peilin Zhou

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An improved gray wolf optimization to solve the multi-objective tugboat scheduling problem. by Peng Yao, Xingfeng Duan, Jiale Tang

“…However, a majority of current tugboat scheduling models tend to focus solely on the maximum operational time. …”
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Motion Control System Design for Barge-Type Surface Ships Using Tugboats by Dong-Hun Lee, Thinh Huynh, Young-Bok Kim, Jung-Suk Park

“…To achieve these objectives, we first developed a mathematical model of a barge ship, which incorporated a novel conveying system configuration using tugboats. We then designed a robust controller for the tugboats that used the sliding mode law to deliver the desired barge motion performance. …”
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Autonomous berthing control of tugboat based on improved backstepping sliding mode control algorithm by Jialun LIU, Zhilin DONG, Shijie LI, Xu YOU, Yingjun HU

Subjects: “…under-actuated tugboat…”
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Optimal Scheduling of an Electric Propulsion Tugboat Considering Various Operating Conditions and Navigation Uncertainties by Jingjie Gao, Hai Lan, Peng Cheng, Ying-Yi Hong, He Yin

Subjects: “…all-electric tugboat…”
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Control System Design for Offshore Floating Platform Transportation by Combination of Towing and Pushing Tugboats by Thinh Huynh, Young-Bok Kim

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Unmanned Electric Tugboat Formation Multi-Agent Energy-Aware Control System Concept by Wojciech Koznowski, Andrzej Łebkowski

“…The results of tests for four tugboats with a hull length of 32 m and a maximum speed of 13 knots, moving in formations of eight different configurations, were analyzed. …”
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Reliability-Based Analysis of Main Propulsion Fuel Oil System Maintenance for Tugboats with Qualitative and Quantitative Methods by Imam Pujo Pujo Mulyatno, Keyza Taqi Wafi, Sarjito Jokosisworo, Tuswan Tuswan

“…This study aims to analyze the maintenance of the main propulsion fuel oil system for tugboats using both qualitative and quantitative methods. …”
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Evaluation of Vibration Characteristics of an Existing Harbor Caisson Structure Using Tugboat Impact Tests and Modal Analysis by Jin-Hak Yi, Woo-Sun Park, So-Young Lee, Thanh-Canh Huynh, Jeong-Tae Kim, Chun-Kyo Seo

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