利用故障模型辨识和诊断规则的量化实现自动诊断；
The auto-diagnosis is performed based on the fault model identification and quantization of the diagnosis rules.
通过计算诊断规则粗糙度，确定诊断规则的置信程度。
The belief degree of diagnosis rules is determined by calculating the rough subjection degree of every rule.
故障诊断规则中判断条件的冗余、不完全和不确定性不利于实际应用。
In engineering applications, the incompleteness, imprecision, and redundancy in rules of fault diagnosis often lead to inconvenience.
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