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다품종용 회분식 공정에서의 중간 저장 탱크 공유를 위한 최적 생산계획 ; 회분식 조업의 자동화 모델
정재학(Jae Hak Jung),이인범(In-Beum Lee),양대륙(Dae Ryook Yang),장근수(Kun Soo Chang) 대한전자공학회 1992 대한전자공학회 학술대회 Vol.1992 No.10
In this study, we propose a shared storage system which is more efficient policy than MIS (Mixed Intermediate Storage) policy for relatively rare storage system and can be called CIS (Common Intermediate Storage) policy. Using this strategy, we develop a new completion time algorithm and apply it to two kinds of optimal or near optimal scheduling method; combinatorial search and simulated annealing method. We also extend this strategy to other storage policy, for exemple MIS policy, with PLC(programmable Logic Controller) logic and on/off action of electronic valves. It thus can be accepted as a basic form of FMS(Flexible Manufacturing System) for operating various storage policies. Finally we suggest the interlocking block to compansate for the shortcoming of CIS policy, i.e, complication of operation and safety, resulting in a basic batch process automation mode.