班轮运输的调度可靠性

IF 0.5 Q4 TRANSPORTATION Pomorstvo-Scientific Journal of Maritime Research Pub Date : 2022-12-23 DOI:10.31217/p.36.2.22
İlknur Gizem Yazar Okur, Okan Tuna
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引用次数: 0

摘要

由于运输系统结构复杂,运输运营中断可能不时发生。在班轮运输中,可以看出,航运公司经常偏离其船舶时间表中公布的运输时间,这导致了时间表的不可靠性。这会导致进度不可靠,并影响到所有利益相关者。基于实际运输数据,本研究旨在评估航运公司的运输时间可靠性性能以及可能影响运输时间可靠性的因素,以研究班轮运输中的时间表可靠性。为了评估航运公司的运输时间可靠性,基于包含5080条航运公司运输数据的观测结果,计算了运输时间偏差,并讨论了当前的表现。假设采用独立样本t检验和Welch方差分析来检验影响运输时间可靠性的因素。Tamhane的T2事后检验用于确定各组之间的差异。结果表明,航运公司的运输时间可靠性较低。据观察,服务类型、季节、船龄和船舶标准箱容量等因素会影响运输时间的可靠性。通过这项研究,航运公司可以根据竞争情况评估其可靠性性能。同时,线路可以利用这些结果来了解、评估和管理影响其运输时间可靠性的因素。在这个方向上,已经向航运公司提出了建议,以帮助提高运输时间的可靠性和服务质量。由于本文依赖于实际运输数据,因此被认为是填补了班轮运输中运输时间可靠性评估的空白。
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Schedule Reliability in Liner Shipping
Due to the complex structure of the transportation systems, disruptions in transport operations may occur from time to time. In liner shipping, it is seen that shipping lines frequently deviate from the transit times announced in their vessel schedules, and this leads to schedule unreliability. This leads to schedule unreliability and affects all stakeholders. Based on actual transportation data, this study aims to evaluate the transit time reliability performance of shipping lines and the factors that may affect transit time reliability to investigate schedule reliability in liner shipping. To evaluate the transit time reliability of shipping lines’, transit time deviations were calculated based on observations containing 5080 transport data of shipping lines and current performances are discussed. Hypotheses were tested with independent sample t-test and Welch’s ANOVA to examine the factors affecting transit time reliability. Tamhane’s T2 post-hoc test was used to determine the difference between groups. Results show that transit time reliability of shipping lines is low. It has been observed that the type of service, season, vessel age, and TEU capacity of the vessel factors affect the transit time reliabillity. With this study, shipping lines can evaluate their reliability performances according to the competition. At the same time, lines can use these results to understand, evaluate and manage factors that affect their transit time reliability. In this direction, suggestions have been made to the shipping lines to contribute to improving transit time reliability and service quality. This article is regarded to close the gap in evaluating transit time reliability in liner transportation because it relies on actual transportation data.
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来源期刊
CiteScore
1.50
自引率
0.00%
发文量
19
审稿时长
8 weeks
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