A methodology on work-flow control system in large-scaled job shop line

Work flow of very large-scaled job-shop type manufacturing systems is complicated due to a large number of processes and various types of work flow patterns. Sophisticated work flow management policy is required for efficient manufacturing operation, since the investment into such a large scaled manufacturing factory is considerably huge. A work flow control methodology which is based on future WIP(Work In Process) location estimation with virtual manufacturing model is proposed. The Architecture is simple and PC-based, and that facilitates the integration with conventional manufacturing system. The methodology has been proved to be efficient enough to apply into practical fields. Finally our concept on fully automated real time control system is presented.