The influences of Past Due,Offset Time and Safety Time on the MRP logic model are analyzed in detail,which is in according with the international standard and practical demand.

• 文章参照现行国际标准,详细分析了逾期量、冲销时间和安全时间对MRP逻辑模型的影响,并最终提出表达更为清晰、逻辑更为严密的MRP逻辑模型。