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A relationship between different costs of container yard modelling in port using queuing approach

dc.creatorMeštrović, Romeo
dc.creatorDragović, Branislav
dc.creatorZrnić, Nenad
dc.creatorDragojević, Dražen
dc.date.accessioned2022-09-19T18:37:25Z
dc.date.available2022-09-19T18:37:25Z
dc.date.issued2018
dc.identifier.issn1451-2092
dc.identifier.urihttps://machinery.mas.bg.ac.rs/handle/123456789/2969
dc.description.abstractU ovom radu razmatrani su grupni dolasci kontenera na kontenerskom skladištu koji su modelirani višekanalnim sistemom teorije redova čekanja MX/M/c sa c skladišnih dizalica kao kanalima opsluživanja. Pretpostavljeno je da je veličina grupe kontenera, X (broj kontenera y grupi koja dolazi na kontenersko skladište) distribuirana u skladu sa Puasonovskim tipom raspodele. Koristeći opšti izraz za razmatrani model redova čekanja, izveden je izraz za odnos specifičnih troškova koji sadrži verovatnoće stanja sistema, faktor iskorišćenja sistema, srednju vrednost i disperziju veličine grupe. Primenjujući taj izraz, predstavljeni su odgovarajući numerički i grafički rezultati za 1, 2 i 3 skladišne dizalice na kontenerskom skladištu u luci. Takođe ističemo da dobijeni analitički izraz omogućava diskusiju i poređenje vrednosti odnosa specifičnih troškova razmatranih modela redova čekanja MX/M/c sa različitim parametrima performanse luke, kao i poređenja istih sa odnosom specifičnih troškova u odnosu na redove čekanja istraživanih u prethodnim radovima autora koji se odnose na ovaj problem.sr
dc.description.abstractIn this paper we consider batch arrivals of containers at a port container yard which is modeled as a multi-server queue MX/M/c with c yard cranes for the service. It is assumed that the related group size (the number of containers in an arriving group), X is distributed by a Poisson-like distribution. Using a more general formula for such queue models, here it is deduced the expression for the specific cost ratio involving the state probabilities, the utilization factor, the mean and the variance of the group size. Applying this expression, related numerical and graphical results are presented when the number of yard cranes at container yard in port is 1, 2 or 3. We also point out that this expression allows us to discuss and compare the values of specific cost ratio concerning the considered MX/M/c queues with different port performance parameters, as well as with specific cost ratio of the queues investigated in earlier authors' papers on this topic.en
dc.publisherUniverzitet u Beogradu - Mašinski fakultet, Beograd
dc.relation"Higher Education and Research for Innovation and Competitiveness in Montenegro" - ("HERIC") project from the International Bank for Reconstruction and Development loan [MNE-HERIC-81180]
dc.relationMinistry of Science of Montenegro [01-1062]
dc.relationMinistry of Science of Montenegro
dc.relationMinistry of Education, Science and Technological Development of Serbia
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.sourceFME Transactions
dc.subjectutilization factoren
dc.subjectspecific cost ratioen
dc.subjectPoisson-like distributionen
dc.subjectMX/M/c queueen
dc.subjectcontainer yard modellingen
dc.titleMeđuzavisnost različitih troškova modeliranja kontenerskih skladišta u luci primenom teorije redova čekanjasr
dc.titleA relationship between different costs of container yard modelling in port using queuing approachen
dc.typearticle
dc.rights.licenseBY
dc.citation.epage373
dc.citation.issue3
dc.citation.other46(3): 367-373
dc.citation.rankM24
dc.citation.spage367
dc.citation.volume46
dc.identifier.doi10.5937/fmet1803367M
dc.identifier.fulltexthttp://machinery.mas.bg.ac.rs/bitstream/id/1650/2966.pdf
dc.identifier.scopus2-s2.0-85046942010
dc.identifier.wos000437023200012
dc.type.versionpublishedVersion


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