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(接上期)3.4上层监诊专家系统功能及工作过程针对工程机械故障诊断知识的特点,上层监诊专家系统采用面向对象的知识表达方法,该方法以对象为知识表达的基本单元,将多种单一的知识表达方式如规则、框架、过程等,按面向对象的思想组成一种混合模式。这种方法能有效地描述深浅知识
(Connected to the previous period) 3.4 The function of upper monitoring expert system and working process Aiming at the characteristics of fault diagnosis knowledge of construction machinery, the upper monitoring expert system adopts the object-oriented knowledge representation method. This method regards object as the basic unit of knowledge expression, A single way of expressing knowledge such as rules, frameworks, processes, etc., constitutes a hybrid model based on the object-oriented thinking. This method can effectively describe the depth of knowledge