Research on tugboat scheduling optimization model considering the reliability of tugboat matching scheme Article Swipe
Yangjun Ren
,
Mengchi Li
,
Yu Lei
,
Yan Zhou
,
Di Liu
,
Jianjun Tu
,
Botang Li
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1038/s41598-025-95776-3
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1038/s41598-025-95776-3
The selection and scheduling of tugboat matching schemes are key tasks in tugboat assistance operation management. With large ships requiring more tugboat assistance, a two-stage multi-criteria decision-making method is proposed. This includes a normal distribution-based multi-attribute group decision-making method with triangular fuzzy numbers to determine tugboat matching scheme reliability. A tugboat scheduling planning model for multiple berthing bases is then established, targeting the minimization of total fuel cost and total matching scheme reliability. This bi-objective problem is solved using the posteriori method, with actual data from Nansha Port validating the proposed method. Meanwhile, a priority-based encoding Memetic algorithm is designed to address the characteristics of the problem, and the solution results for 25 test cases generated from the actual data range of the Guangzhou Port are compared and analyzed using CPLEX, genetic algorithms, and simulated annealing algorithms. The results verify the feasibility of the proposed priority-based encoding Memetic algorithm. The enhanced multi-attribute group decision-making method helps decision-makers quickly select suitable matching schemes and optimize tugboat scheduling, demonstrating effective reliability evaluation and planning optimization.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1038/s41598-025-95776-3
- https://www.nature.com/articles/s41598-025-95776-3.pdf
- OA Status
- gold
- Cited By
- 1
- References
- 55
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4409228705
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- OpenAlex ID
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https://openalex.org/W4409228705Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1038/s41598-025-95776-3Digital Object Identifier
- Title
-
Research on tugboat scheduling optimization model considering the reliability of tugboat matching schemeWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2025Year of publication
- Publication date
-
2025-04-07Full publication date if available
- Authors
-
Yangjun Ren, Mengchi Li, Yu Lei, Yan Zhou, Di Liu, Jianjun Tu, Botang LiList of authors in order
- Landing page
-
https://doi.org/10.1038/s41598-025-95776-3Publisher landing page
- PDF URL
-
https://www.nature.com/articles/s41598-025-95776-3.pdfDirect link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
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https://www.nature.com/articles/s41598-025-95776-3.pdfDirect OA link when available
- Concepts
-
Computer science, Scheduling (production processes), Matching (statistics), Reliability (semiconductor), Operations research, Scheme (mathematics), Reliability engineering, Mathematical optimization, Engineering, Statistics, Mathematics, Quantum mechanics, Physics, Power (physics), Mathematical analysisTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
1Total citation count in OpenAlex
- Citations by year (recent)
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2025: 1Per-year citation counts (last 5 years)
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55Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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