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在分析符号有向图(SDG)技术的基础上,融合了神经网络中的BP算法,建立了混合故障诊断系统,并将此系统运用到瓦斯水环泵的故障诊断分析当中,提高了故障诊断的准确率,有效的保证了瓦斯泵的正常工作。
Based on the analysis of the digraph (SDG), the BP algorithm in neural network is integrated and a hybrid fault diagnosis system is established. The system is applied to the fault diagnosis and analysis of gas water ring pumps to improve fault diagnosis The accuracy rate, effectively ensure the normal operation of the gas pump.