Integer tree-based search and mixed-integer optimal control of distribution chains (Contributo in atti di convegno)

Type
Label
  • Integer tree-based search and mixed-integer optimal control of distribution chains (Contributo in atti di convegno) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1109/CDC.2011.6160626 (literal)
Alternative label
  • A. Alessandri; M. Gaggero; F. Tonelli (2011)
    Integer tree-based search and mixed-integer optimal control of distribution chains
    in 50th IEEE Conference of Decision and Control, Orlando (USA), 12-15 December 2011
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A. Alessandri; M. Gaggero; F. Tonelli (literal)
Pagina inizio
  • 489 (literal)
Pagina fine
  • 494 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1. Department of Production Engi- neering, Thermoenergetics, and Mathematical Models, University of Genoa, Italy 2. Institute of Intelligent Systems for Automation, National Research Council of Italy, Italy 3. Department of Production Engi- neering, Thermoenergetics, and Mathematical Models, University of Genoa, Italy (literal)
Titolo
  • Integer tree-based search and mixed-integer optimal control of distribution chains (literal)
Abstract
  • The use of integer tree-based search and mixed- integer programming is investigated for the purpose of control of multi-item multi-echelon distribution chains. A discrete-time model is considered to describe the dynamics of a generic distribution chain. The decisions on the amounts of goods to transfer are made by referring to a performance index that accounts for transportation, storage, and backlog costs at two levels, i.e., strategic and tactical. As to the strategic level, a worst-case stock replenishment policy is adopted to exploit the uncertain information available on long-term predictions of the customers' demand. The solution of such a problem is obtained by using a top-down tree-based algorithm to select policy parameters such as the delivery cycle times of goods. At the tactical level, the on-line decisions on the transportation of goods are taken basing on model predictive control, which allows one to take into account recent, reliable, short-term predictions of the demand. The tactical optimal decisions are obtained by solving mixed-integer programming problems with fewer variables as compared with the strategic setting. Simulation results are presented to show the effectiveness of the proposed approach. (literal)
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