In real manufacturing system, changes take place in the workshop frequently. When a simulation system is developed and used for the daily operational planning and evaluation, the simulation model must be in a good correspondence with the real manufacturing system. Therefore, how to reflect various changes in manufacturing system to the simulation model and thus keep the model updated become important issues to he answered. In this study, towards the automated updating of a simulation model in the manufacturing system, a modeling and design methodology is proposed as a basic research and the methodology is proven to be effective through experimental simulation system construction.
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