Order-release planning using variable lead times based on a backward simulation model
作者:
E. F. WATSON,
D. J. MEDEIROS,
R. P. SADOWSKI,
期刊:
International Journal of Production Research
(Taylor Available online 1995)
卷期:
Volume 33,
issue 10
页码: 2867-2888
ISSN:0020-7543
年代: 1995
DOI:10.1080/00207549508904850
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
he problem of order-release planning for discrete parts manufacturing is addressed. Traditionally, order-release planning in a multi-stage shop is performed with material requirements planning (MRP) logic, which generally assumes that capacity is infinite and that lead times can be estimated using historical data, past experience, and general rules-of-thumb. These assumptions often result in infeasiblc plans. A new approach to order-release planning termed BACKSIM, that is based on discrete simulation, is proposed. With this approach, order-release plans are generated via a backward explosion logic similar to MRP except that a simulation model of the facility is used. Since the simulation model accurately captures real-world capacity constraints and operational rules, the order-release plans are theoretically feasible. Essentially, component lead times are calculated based on the anticipated queueing in the system each time BACKSIM is executed. A technique is developed that allows BACKSIM to be fairly compared with the MRP approach.
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