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FORMULATION OF SIMULATION MODELS FOR FLEXIBLE MANUFACTURING SYSTEMS

A Flexible Manufacturing System (FMS) consists of a computer-controlled, integrated configuration of machines with automated material handling systems. Problems related to flexible manufacturing technology are relatively complex compared to traditional manufacturing systems in which lead times are longer, inventory levels are higher, and utilization rates are lower. In order to take full advantage of the flexibility of the system, operation assignment, planning and scheduling should be done in a collective way. This works proposes the development of simulation models for studying the behaviour of complex FMS. The models are formulated and validated from real case studies, and take into account some aspects not considered in the bibliography, i.e. 1) the machine efficiency is considered less than 100%. 2) The time of part movements among machines is not zero.