By taking the rough set and duality Boolean calculation as the basis, the algorithm to conduct the fault diagnosis knowledge acquisition is researched with emphasis.

• 提出了采用基于粗糙集理论与二值逻辑运算相结合的属性约简算法以及改进的值约简算法来实施知识获取的约简,然后结合具体的故障诊断实例说明了该算法的实用性。