Towards an uncertainty evaluation model for marine track considering local sampling cloud and sample information

Cheng Fang, Wei Zhou, Xinguo Liu, Hongxiang Ren and Jianjun Wu

PLOS ONE, 2022, vol. 17, issue 6, 1-18

Abstract: To evaluate the practical ability of crews during the navigation of an inward-port single ship, a track evaluation model was developed on a planar forward normal cloud chart under sample information based on the forward normal and the backward normal cloud generator. Since the track sampling cloud may be too divergent, a track belt division method based on the contributions of normal cloud drops was proposed. Combining the track evaluation model with the track belt division method, a comprehensive track evaluation scheme of the local sampling cloud based on sampling information was established. The results of an example of M.V. DAQING 257 unloaded into Dalian Port demonstrated the effectiveness of the model and showed its consistency with expert evaluation results based on subjective information. The proposed uncertainty evaluation model provides a new approach for intelligent evaluation under sample information.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0269184

DOI: 10.1371/journal.pone.0269184

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