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Naslov: Designing the intermodal multiperiod transportation network of a logistic service provider company for container management Avtorji: ID Sahlin, Tobias (Avtor) ID Hosseini, Ahmad (Mentor) Več o mentorju... Datoteke: https://www.diva-portal.org/smash/record.jsf?faces-redirect=true&aq2=%5B%5B%5D%5D&af=%5B%5D&searchType=SIMPLE&sortOrder2=title_sort_asc&language=en&pid=diva2%3A937212&aq=%5B%5B%5D%5D&sf=all&aqe=%5B%5D&sortOrder=author_sort_asc&onlyFullText=false&noOfRows=50&dswid=-3690   https://www.diva-portal.org/smash/get/diva2:937212/FULLTEXT01.pdf   Jezik: Angleški jezik Vrsta gradiva: Magistrsko delo Tipologija: 2.09 - Magistrsko delo Organizacija: UNG - Univerza v Novi Gorici Opis: Lured by the promise of bigger sales, companies are increasingly looking to raise the volume of international trade. Consequently, the amount of bulk products carried in containers and transported overseas exploded because of the flexibility and reliability of this type of transportation. However, minimizing the logistics costs arising from the container flow management across different terminals has emerged asa major problem that companies and affiliated third-party logistics firms face routinely. The empty tankcontainer allocation problem occurs in the context of intermodal distribution systems management and transportation operations carried out by logistic service provider companies. This paper considers the time-evolving supply chain system of an international logistic service provider company that transports bulk products loaded in tank containers via road, rail and sea. In such system, unbalanced movements of loaded tank containers forces the company to reposition empty tank containers. The purpose of this paper is to develop a mathematical model that supports tactical decisions for flow management of empty tank containers. The problem involves dispatching empty tank containers of various types to the meet on-time delivery requirements and repositioning the other tank containers to storage facilities, depots and cleaning stations. To this aim, a mixed-integer linear programming (MILP) multiperiod optimization model is developed. The model is analyzed and developed step by step, and its functionality is demonstrated by conducting experiments on the network from our case study problem, within the boarders of Europe. The case study constitutes three different scenarios of empty tank container allocation. The computational experiments show that the model finds good quality solutions, and demonstrate that cost and modality improvements can be achieved in the network The sensitivity analysis employs a set of data from our case study and randomly selected data to highlight certain features of the model and provide some insights regarding the model’s behavior. Ključne besede: supply chain, distribution network, repositioning, intermodal transport, sensitivity analysis Status publikacije: Objavljeno Verzija publikacije: Objavljena publikacija Kraj izida: [Uppsala] Kraj izvedbe: [Uppsala] Založnik: DiVA Leto izida: 2016 Leto izvedbe: 2016 Št. strani: 49 str. PID: 20.500.12556/RUNG-9974  COBISS.SI-ID: 232732163  UDK: 519.2 NUK URN: URN:SI:UNG:REP:IMELX8M8 Datum objave v RUNG: 14.04.2025 Število ogledov: 199 Število prenosov: 2 Metapodatki:    Citiraj gradivo Navadno besedilo BibTeX EndNote XML EndNote/Refer RIS ABNT ACM Ref AMA APA Chicago 17th Author-Date Harvard IEEE ISO 690 MLA Vancouver : SAHLIN, Tobias, 2016, Designing the intermodal multiperiod transportation network of a logistic service provider company for container management [na spletu]. Magistrsko delo. Uppsala : DiVA. [Dostopano 26 april 2025]. Pridobljeno s: https://www.diva-portal.org/smash/get/diva2:937212/FULLTEXT01.pdf Kopiraj citat

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Sekundarni jezik

Jezik:	Ni določen
Naslov:	Designing the Intermodal Multiperiod Transportation Network of a Logistic Service Provider Company for Container Management
Opis:	Internationell handel ¨okar i takt med f¨oretags str¨avan om att uppn°a h¨ogre f¨ors¨aljningsresultat genom ¨okade exportvolymer. Transporter mellan kontinenter av containrar lastade med bulkprodukter har ¨okat avsev¨art p°a grund av den flexibilitet och tillf¨orlitlighet denna typ av transport erbjuder. Att minimera logistikkostnaderna f¨or transporter mellan olika terminaler har mynnat ut i ett betydande problem f¨or f¨oretag som erbjuder tredjepartlogistik. ”Tomcontainer allokerings problemet” involverar f¨oretag som erbjuder logistiska tj¨anster inom intermodala distributionssystem genom att l¨agga ut dessa tj¨anster p°a externa leverant ¨orer. Denna masteruppsats fokuserar p°a ett internationellt f¨oretag som erbjuder transporter av bulkprodukter lastade i tankcontainrar via v¨ag, j¨arnv¨ag och sj¨o. I system av detta slag utf¨ors obalanserade transporter av lastade tankcontainrar, vilket tvingar f¨oretaget till att ompositionera tomma tankcontainrar. F¨oretaget motiveras av att unders¨oka om det finns incitament till att vidare analysera eller m¨ojligtvis implementera en matematisk modell som st¨odjer ompositioneringsbeslut f¨or tomma tankcontainrar. Ompositionerings beslut baseras p°a kundorder samt antaganden om huruvida framtida efterfr°agan kommer uppst°a eller ej. Problemet inkluderar att m¨ota efterfr°agan och tillh¨orande krav fr°an f¨oretagets kunder. Kraven specificerar vilken tid leverans ska ske, vilket skick tankcontainern b¨or vara i samt vilken typ av tankcontainer som efterfr°agas. En dynamisk blandad heltalsmodell som ¨ar anpassad f¨or intermodal transporter samt den varierade efterfr°agan av olika dimensioner av tankcontainrar utvecklas, med syftet att generera taktiska beslut f¨or det aktuella allokeringsproblemet. Mer specificerat ¨ar m°alet att best¨amma en optimal distributionsstrategi inom f¨oretagets transportn¨atverk. Modellen utvecklas och valideras steg f¨or steg och dess funktionaliteter demonstreras genom en k¨anslighetsanalys baserat p°a det Europeiska n¨atverket inkluderat i v°ar fallstudie. Fallstudien inkluderar tre olika scenarion f¨or allokering av tomma tankcontainrar. Vidare nyttjas topologin av n¨atverket i fallstudien till att utf¨ora slumpm¨assigt utvalda instanser f¨or att utv¨ardera modellen. Dessa ber¨akningsresultat visar att modellen finner l¨osningar av god kvalitet och indikerar att det finns rum f¨or f¨orb¨attringar g¨allande f¨ordelningen av transportmedel. En utf¨orlig k¨anslighetsanalys presenterar vilken effekt modellens parametrar har p°a modellens utf¨orande. Vi anv¨ander slumpm¨assigt utvald data f¨or k¨anslighetsanalysen och betonar vissa funktionaliteter av modellen samt delger insikter om modellens beteende.
Ključne besede:	F¨ors¨orningskedja, Distributionsn¨atverk, Ompositionering, Intermodala transporter, K¨anslighetsanalys.

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