Exploració per tema "Àrees temàtiques de la UPC::Economia i organització d'empreses::Direcció d'operacions::Modelització de transports i logística"

Ara es mostren els items 1-20 de 386

    • A container dispatching system for river ports based on distributed intelligent agent 

      Zeng, Jingyuan; Zhang, Zhenji; Guan, Xiaolan; Gao, Ruize (School of Industrial and Aeronautic Engineering of Terrassa (ETSEIAT). Universitat Politècnica de Catalunya (UPC), 2013-12)
      Article
      Accés obert
      With the expansion of business scope of river ports, it demands higher loading and unloading efficiency. Automation, informatization and intelligentization become the only way to development of river ports. This paper ...

    • A dynamic programming based heuristic for the assembly line balancing problem 

      Bautista Valhondo, Joaquín; Pereira Gude, Jordi (Elsevier, 2009-05-01)
      Article
      Accés restringit per política de l'editorial
      The simple assembly line balancing problem is the simplification of a real problem associated to the assignment of the elementary tasks required for assembly of a product in an assembly line. This problem has been extensively ...

    • A fuzzy simheuristic for the permutation flow shop problem under stochastic and fuzzy uncertainty 

      Castañeda Jiménez, Juliana; Martin Solano, Xabier Andoni; Ammouriova, Majsa; Panadero Martínez, Javier; Juan, Àngel A. (Multidisciplinary Digital Publishing Institute (MDPI), 2022-05-21)
      Article
      Accés obert
      Stochastic, as well as fuzzy uncertainty, can be found in most real-world systems. Considering both types of uncertainties simultaneously makes optimization problems incredibly challenging. In this paper, we analyze the ...

    • A Granular Tabu Search Algorithm for a Real Case Study of a Vehicle Routing Problem with a Heterogeneous Fleet and Time Windows 

      Bernal, Jose; Escobar, John Willmer; Linfati, Rodrigo (OmniaScience, 2017-10)
      Article
      Accés obert
      Purpose: We consider a real case study of a vehicle routing problem with a heterogeneous fleet and time windows (HFVRPTW) for a franchise company bottling Coca-Cola products in Colombia. This study aims to determine the ...

    • A heuristic for the inventory management of smart vending machine systems 

      Park, Yang-Byung (School of Industrial and Aeronautic Engineering of Terrassa (ETSEIAT). Universitat Politècnica de Catalunya (UPC), 2012-12)
      Article
      Accés obert
      Purpose: The purpose of this paper is to propose a heuristic for the inventory management of smart vending machine systems with product substitution under the replenishment point, order-up-to level policy and to evaluate ...

    • A heuristic to minimize the inventory value of repairable parts with service constraints: application to an airline company 

      Cardós, Manuel; Babiloni, Eugenia; Palmer, Marta E.; Guijarro, Ester (School of Industrial and Aeronautic Engineering of Terrassa (ETSEIAT). Universitat Politècnica de Catalunya (UPC), 2013-07)
      Article
      Accés obert
      Purpose: This paper focuses on the improvement of the inventory management of repairable parts of the airline company Air Nostrum. The company uses a common sales replacement policy to manage their repairable parts and the ...

    • A literature review of design of criteria for supplier selection 

      Ristono, Agus; Pratikto; Santoso, Purnomo Budi; Tama, Ishardita Pambudi (OmniaScience, 2018-12)
      Article
      Accés obert
      Purpose: This paper proposes a new model for further research on how to select criteria in supplier selection, through a literature review and analysis of the advantages and disadvantages of previously used methods. D ...

    • A Location-Routing Model for a Two-Echelon System of Urban 

      Mercadé Ruiz, Laia (Universitat Politècnica de Catalunya, 2013-11)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor
      The freight distribution system of many cities suffering from congestion is based on the use of a single echelon of consolidation facilities that are located in the city outskirts. In this thesis, the introduction of a ...

    • A new hybrid GA-PSO method for solving multi-period inventory routing problem with considering financial decisions 

      Rabbani, Masoud; Baghersad, Milad; Jafari, Ruholla (School of Industrial and Aeronautic Engineering of Terrassa (ETSEIAT). Universitat Politècnica de Catalunya (UPC), 2013-12)
      Article
      Accés obert
      Integration of various logistical components in supply chain management, such as transportation, inventory control and facility location are becoming common practice to avoid sub-optimization in nowadays’ competitive ...

    • A new pricing model of China’s parallel rail lines under the diversified property rights 

      Zhou, Shaoni; Zhang, Qiusheng; Wu, Xiaowei (School of Industrial and Aeronautic Engineering of Terrassa (ETSEIAT). Universitat Politècnica de Catalunya (UPC), 2013-04)
      Article
      Accés obert
      Purpose: The purpose of this paper is to study on the pricing of China railway company under the background of diversified property rights, especially the pricing of the parallel line system that belong to different ...

    • A novel matheuristic based on bi-level optimization for the multi-objective design of hydrogen supply chains 

      Cantú Medrano, Victor Hugo; Azzaro-Pantel, Catherine; Ponsich, Antonin Sebastien (Pergamon Press, 2021-09)
      Article
      Accés obert
      This work introduces an efficient tool for the design of sustainable hydrogen supply chains (HSCs), considering both economic and environmental concerns, through an appropriate multi-objective strategy. The original problem, ...

    • A novel optimization method on logistics operation for warehouse & port enterprises based on game theory 

      Li, Junyang; Zhu, Xiaomin; Zhang, Runtong (School of Industrial and Aeronautic Engineering of Terrassa (ETSEIAT). Universitat Politècnica de Catalunya (UPC), 2013-12)
      Article
      Accés obert
      Purpose: The following investigation aims to deal with the competitive relationship among different warehouses & ports in the same company. Design/methodology/approach: In this paper, Game Theory is used in carrying out ...

    • A Proposal for a Green Supply Chain Strategy 

      Pinto Taborga, Carola; Lusa García, Amaia; Coves Moreno, Anna Maria (OmniaScience, 2018-09)
      Article
      Accés obert
      Purpose: The purpose of this paper is to establish a set of steps for helping companies to create a Green Supply Chain Strategy based on the reduction of their carbon footprint. The aim is to put forward a simple guideline ...

    • A PSO-GRNN model for railway freight volume prediction: empirical study from China 

      Sun, Yan; Lang, Maoxiang; Wang, Danzhu; Liu, Linyun (OmniaScience, 2014-05)
      Article
      Accés obert
      Purpose: The purpose of this paper is to propose a mathematical model for the prediction of railway freight volume, and therefore provide railway freight resource allocation with an accurate direction. With an accurate ...

    • A Reply to Ponte et al (2016) Supply Chain Collaboration: Some Comments on the Nucleolus of the Beer Game 

      Mueller, David (OmniaScience, 2018-09)
      Article
      Accés obert
      Purpose: The aim of the paper is to pick up the result of a previously published paper in order to deepen the discussion. We analyze the solution against the background of some well-known concepts and we introduce a newer ...

    • A Simulation model to test the robustness of supply chains 

      Orhon, Murat; Sunyer Torrents, Albert; Pinto, Roberto (2021-03-26)
      Report de recerca
      Accés obert
      Significant decrease in supply chain robustness can be observed in case of major supply chain disruptions. Recently, many companies experienced it with the Covid-19 pandemic, and it created big losses in companies’ revenues. ...

    • A study of combined evaluation of suppliers based on correlation 

      Qiu, Heting; Li, Xuewei (School of Industrial and Aeronautic Engineering of Terrassa (ETSEIAT). Universitat Politècnica de Catalunya (UPC), 2013-04)
      Article
      Accés obert
      Purpose: The Selection of logistics service providers is an important issue in supply chain management. But different evaluation methods may lead to different results, which could cause inconsistent conclusions. This paper ...

    • A study on RFID adoption for vehicle tracking in container terminal 

      Ting, S.L.; Wang, L.X.; Ip, W.H. (School of Industrial and Aeronautic Engineering of Terrassa (ETSEIAT). Universitat Politècnica de Catalunya (UPC), 2012-04)
      Article
      Accés obert
      Purpose: Numerous studies discuss that Radio Frequency Identification (RFID) technology can provide better container handling efficiency; however, relative lack of research concerns the tracking and monitoring the movement ...

    • A systematic literature review on physical internet containers : Empirical evidence and research opportunities 

      Quintana Garriga, Xavier (Universitat Politècnica de Catalunya, 2023-07-21)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Universiteit Gent
      The Physical Internet is an emerging concept that seeks to improve the efficiency and sustainability of global logistics by creating a network under a common structure. Containers are a key tool for implementing this ...

    • A technological plattform for designing real-time decision tools in transportation logistics 

      Ramos, J; Guimarans, D; Piera, MA; Guasch Petit, Antonio (2006)
      Text en actes de congrés
      Accés restringit per decisió de l'autor