Faunhofer Project Center for Production Management and Informatics PMI

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  • Publication
    Capacity management for assembly systems with dedicated and reconfigurable resources
    ( 2014)
    Gyulai, Dávid
    ;
    Kádár, Botond
    ;
    Kovács, András
    ;
    Monostori, László
    Managing changes and disturbances resulted by fluctuating order streams and diverse product portfolios requires efficient capacity management decisions and production planning strategies. High volume products can be produced cost efficiently on dedicated assembly lines, while the assembly of low runners is more efficient on reconfigurable lines. In the paper a hierarchical planning decision workflow is introduced to assign the products to dedicated and reconfigurable lines, and to optimize the system configuration and the production plan of the reconfigurable system in an integrated way. The proposed solution is demonstrated through the results of an industrial case study.
  • Publication
    A system for the detailed scheduling of wind farm maintenance
    ( 2011)
    Kovács, András
    ;
    Erdös, Gábor
    ;
    Viharos, Zsolt János
    ;
    Monostori, László
    As the share of wind energy increases on the global energy market, the efficient operation of wind farms gains an ever growing significance. Among operational decisions, the planning and scheduling of maintenance operations are crucial for the availability of turbines, as well as for the operational costs. The paper introduces a system that performs the detailed scheduling of maintenance operations at a set of wind farms maintained by common personnel. The scheduling problem is modeled and solved as a mixed-integer linear program. The system constitutes a module of an integrated framework for condition monitoring, diagnosis, and maintenance of wind turbines.