本文介绍了现代工业设备故障诊断的必要性,以凝汽器为对象,并列举了其故障征兆集,采用反向传播神经网络算法,设计了一个具有故障诊断功能的单片机系 统,其使用效果良好。 关键词:单片机、故障诊断、凝汽器、反向传播网络 Abstract:In this paper the necessity of device fault diagnosis in modern industry is introdujced and the fault diagnosis set of the condenser is enumerated; one microcontroller system which based on back propagation algorithm is applied is designed with fault diagnosis function. Keywords : microcontroller 、fault diagnosis 、 condenser、back-propagation network