汽车模具标准件选件专家系统中的知识表示方法

Representation of Knowledge on Parts Selection Expert System in Standard Unit of Automobile Dies

探讨了汽车覆盖件模具标准件选件专家系统中的知识表示方法.在选件专家系统中,规则表示是基本的表示方法.同时利用框架表示的高度结构化特性组织元件库;利用它的继承特性,结合规则前提分解的思想,按照元件的应用前提对知识库中的规则进行分类.两种表示方法相互补充,弥补了两者在知识表示方面各自的局限性,实现了知识表示的高度模块化、层次化,推理效率也能得到提高.

The paper discusses the representation of knowledge on parts selection expert system in standard units of automobile dies. In the system, rule knowledge representation is the basic method. At the same time, frame knowledge representation organises the component base by using its especial structurizing characteristic. By using its inheriting characteristic, combining thought of disassembling rule premises, the rules in the knowledge base are classified according to the application premise of components. The two representations supplement each other, and make up for the limitation in each aspect, the modularization and the structurization are realized, and the reasoning efficiency is improved.