Influence of defects of selected elements of the distribution system on reliability of logistic processes

Robert Gumiński , Kamil Lubikowski , Ewa Pawlak


The paper addresses the topic of information flow in logistics and transport as well as the consequences of incorrect/wrong decisions. The purpose of the research was to create a fault tree which defines probability of occurrence of an undesirable event. Permitting the occurrence of an undesirable event in the flow of information accompanying the stream of cargoes in a logistic system may result in economic and structural loss. Meeting the requirements of procedures, regulations or technical specifications by one individual element of the system does not guarantee safety of the entire process. In the case of logistic and transport systems the fault tree is very extensive while the peak event depends on very many factors. These can be divided into human-related, technical, IT-related, information-related and independent external factors (e.g. forces of nature). Each individual case calls for reviewing the conditions and the factors contributing to the occurrence of an undesirable event. Definition of an undesirable event was the biggest problem in the research. Ultimately the undesirable event was defined as improper/incomplete fulfillment of a transport service. Basic, high-rank (peak) and lower-rank intermediate events have been identified based on the logical connections between them. It has been demonstrated that the fact of means of transport being in working order and the ability to send the relevant information on discovered defects at the right time have very big impact on workability of logistic processes. Moreover particular stress was put on the analysis of types of defects, reasons of their occurrence and the effects of their emergence in the system. It is a preliminary study related to the research and analysis of the required information flow in the transport and logistics industry. Further research and simulations aimed at accomplishing more efficient information flow in the logistic system as well as further research-and-development work in the fields of logistics and transport will be covered in the continuation of the present publication
Author Robert Gumiński (FACME / IAE)
Robert Gumiński,,
- Institute of Automotive Engineering
, Kamil Lubikowski (FACME / IAE)
Kamil Lubikowski,,
- Institute of Automotive Engineering
, Ewa Pawlak (FACME / IV)
Ewa Pawlak,,
- Institute of Vehicles
Journal seriesZeszyty Naukowe Instytutu Pojazdów, ISSN 1642-347X
Issue year2013
Keywords in PolishPrzepływ informacji, niezawodność procesów dystrybucji, drzewo niezdatności
Keywords in EnglishFault tree, logistic system, information flow, undesirable events
Abstract in PolishW pracy przedstawiony został model symulacyjny pojazdu elektrycznego, którego własności trakcyjne odniesiono do cyklu NEDC. Zobrazowano podstawowe zależności między prądem ładowania/wyładowania baterii, napięciem na zaciskach, zmianą SEM oraz stopnia naładowania. Przyjęto warunki nominalne pracy baterii. Dla innych od nominalnych warunków pracy baterii należy odpowiednio skorygować temperaturowy wskaźnik pojemności nominalnej wyznaczając go z układu równań. Przedstawiony model pojazdu elektrycznego umożliwia symulację pracy baterii w różnych temperaturach.
Languageen angielski
051-058-1.pdf 279.01 KB
Score (nominal)8
ScoreMinisterial score = 4.0, 05-09-2019, ArticleFromJournal
Ministerial score (2013-2016) = 8.0, 05-09-2019, ArticleFromJournal
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