Optimization of ship path and speed at irregular ECA boundary

ZHANG Ming, TAN Zhijia, GAO Peihuan

doi:10.16411/j.cnki.issn1006-7736.2023.01.005

Journal of Dalian Maritime University >

2023 , Vol. 49 >Issue 1: 44 - 55

DOI: https://doi.org/10.16411/j.cnki.issn1006-7736.2023.01.005

Optimization of ship path and speed at irregular ECA boundary

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(School of Maritime Economics and Management, Dalian Maritime University, Dalian 116026, China)

Received date: 2022-10-03

Revised date: 2022-12-20

Accepted date: 2022-12-20

Online published: 2022-12-20

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Abstract

In this paper, the response strategy of a coastal cargo ship to the emission control area (ECA) was comprehensively analyzed, and combining with the relationship between the ship’s navigation path and speed, the navigation cost minimization model under non-avoidance and avoidance strategies was established respectively to optimize the location and speed of the ship’s entry and exit irregular ECA boundary points, and resulting in the best navigation mode and strategy selection of the ship. It is shown that the trigger condition of the evasive strategy depends on the fuel price ratio inside and outside the ECA and the relative position between the port and the border of the ECA. The empirical analysis of ship evading in China’s coastal areas shows that the evading strategy can save the navigation cost and reduce the navigation time, but will greatly reduce the emission reduction benefits of the emission control area policy.

Key words： emission control area(ECA); coastal ship; irregular ECA boundary; path and speed optimization; evasion strategy

Cite this article

ZHANG Ming, TAN Zhijia, GAO Peihuan . Optimization of ship path and speed at irregular ECA boundary[J]. Journal of Dalian Maritime University, 2023 , 49(1) : 44 -55 . DOI: 10.16411/j.cnki.issn1006-7736.2023.01.005

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