The presented method and tool can be used for determining a good solution to the operators scheduling problem. The direct benefits of the discussed approach on the manufacturing system are shortly discussed. At first, increased productivity is achieved by eliminating bottlenecks caused by operators who repeatedly perform highly demanding tasks. Moreover, the fast and efficient reallocation of operators at any point of time and in case of unexpected events (such as the introduction of extra orders in the line, the change of product sequence and failures) leads to a smooth adaptation to disturbances. Increased system reliability is another benefit since multi skilled operators can effectively replace their colleagues in case of unexpected occurrences. Synergy effects are also possible since operators who have completed their tasks can assist nearby operators. Finally there is also a positive impact in product quality due to work content enrichment. Operators who rotate tend to avoid the effects of monotonous work and are more alert when changing tasks. This leads to reduced error probability over long time periods. Future work will focus on the identification of the breakeven point between job rotation frequency and allowable repetitiveness of tasks. Too frequent rotation might not give the operator sufficient time to adjust to the new working conditions. The investigation of the applicability of the proposed method, to other types of human based assembly systems such as aerospace, is also proposed. It is expected that the application would be easier since the constraints of serial assembly lines (e.g. single operator at each workplace) will be eliminated. From an industrialization point of view, the implementation of standardized interfaces to existing IT systems will minimize user data input, and allow real time awareness of shop-floor status as prime importance.


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    Titel :

    A web based tool for dynamic job rotation scheduling using multiple criteria


    Beteiligte:

    Erschienen in:

    CIRP Annals ; 60 , 1


    Erscheinungsdatum :

    2010


    Format / Umfang :

    4 Seiten, 5 Bilder, 20 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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