화학공학소재연구정보센터
학회 한국화학공학회
학술대회 1998년 가을 (10/23 ~ 10/24, 조선대학교)
권호 4권 2호, p.2245
발표분야 공정시스템
제목 순서의존 준비시간을 고려한 다목적 회분식 공정의 일정계획
초록 In batch plants, the scheduling considering sequence dependent changeovers is very important since multiple kinds of products are involved. The changeovers for a production in a unit will be affected by the immediately previous production in the unit. While the changeovers will be relatively small or negligible for a production that is similar to the previous production in a unit, considerable setup time will be needed for the production quite different from the previous one. While scheduling algorithms considering sequence dependent changeovers have been widely developed for multiproduct batch processes (Jung, 1993; Byun, 1997), less have been done for multipurpose processes.
One of the important issues in scheduling problems of multipurpose plants is the representation of time horizon. To overcome shortcomings of discrete time representation, Pinto and Grossmann (1995), and Bok and Park (1998) presented two-coordinate continuous time model for the multistage batch plants that contain units in parallel. In this work we present a new MILP model for the scheduling of multipurpose plants considering sequence dependent changeovers. A continuous time model is built for the general multipurpose plants where direct and reverse flows as well as reentrant flows exist.
저자 복진광, 문성득, 박선원
소속 한국과학기술원 화학공학과
키워드 Mulipurpose batch scheduling; Continuous time model
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