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工艺决策建模是ＣＡＰＰ开发工具的研究难点，亦是开发工具走向实用化和商品化的瓶颈所在。这里提出了一种决策建模的数学工具——层次分析法（ＡＨＰ），可将复杂的工艺决策问题进行分解、判断和综合，并采用定性与定量相结合的统一处理方式来解决难以用数学模型定量描述的工艺决策的通用化建模问题。因此，采用一般方法难以描述的通用工艺决策建模问题，转而采用ＡＨＰ法则能比较容易地满足不同制造企业的工艺设计需求。ＡＨＰ法大大提高了系统的性能和适应性。
Process decision modeling is CAPP development tools, research difficulties, but also development tools to practical and commercial bottlenecks. This paper presents a mathematical model of decision-making tools - Analytic Hierarchy Process (AHP), the complex process decision-making problems can be decomposed, judgments and synthesis, and the combination of qualitative and quantitative unified approach to solve difficult to use mathematics Generalized modeling of process decisions described by models. Therefore, adopting the general process decision making model, which is difficult to describe by general methods, can be easily met by the AHP rules instead of the process design requirements of different manufacturing enterprises. AHP method greatly improves the system performance and adaptability.