Development of production planning system by using virtual factory

Abstract

Virtual Factory (Factory simulator) is useful for examination of productivity. For shipyard, it is especially useful for leveling the work amount. In this paper, authors developed factory simulator of shipyard for long term scheduling. In this system, scheduling knowledge of shipyard is expressed and, the series production of LPG carriers can simulate in a very short time. The result of simulation is acceptable for actual use. And, it can simulate the rebuild of the shipyard.