Abstract

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Title:: The cause of human fatigue and scenario analysisin the process of marine transportation

Author(s):: Pan Hengyi; College of Transport and Communications, Shanghai Maritime University, Shanghai 201306, China

Keywords:: maritime accident; human fatigue; fatigue factor; scenario analysis; scenario construction; morphological analysis

PACS:: U676.1

DOI:: 10.3969/j.issn.1003-7985.2020.01.014

Abstract:: The framework of fatigue factors is constructed to reduce the number of maritime accidents caused by human fatigue. Based on the study of maritime human fatigue, by screening and classifying it, there are 15 fatigue factors, which can be classified into 4 types: sleep, rest and rhythm; work factors; personal conditions; environmental factors. These factors are regarded as the variables for constructing scenarios. The importance, uncertainty, influence and dependence of variables and variable pairs were assessed by using morphological analysis, quantitative scales and correlation matrices. Ship movement and workload are selected as the two key variables, which are regarded as the axes of generating scenarios. One of the scenarios is selected as the typical scenario to illustrate the relationship between the causes of fatigue. Then, the analysis framework is constructed according to the fatigue factors relationship, and several potential solutions are proposed, which include the development of foresighted and flexible work plans, and the application of wearable facilities to improve monitoring and assessment systems. The proposed framework lays a theoretical foundation for studying maritime human fatigue, and scenario analysis can provide an effective strategy for reducing crews’ fatigue.

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