基于神经网络的模拟电路故障诊断方法浅析

自20世纪60年代以来,模拟电路故障诊断一直是研究的热点之一。随着集成电路的快速发展,为了提高产品性能、降低芯片面积和费用,需将数字和模拟元件集成在同一块芯片上。虽然模拟部分仅占芯片面积的5%,但其故障诊断成本却占总诊断成本的95%。模拟电路故障诊断一直是集成电路工业中的一个"瓶颈"问题。基于此,本文笔者介绍了模拟电路故障诊断的方法、种类等,并重点介绍了讨论神经网络的模拟电路故障诊断实现的各个步骤。

THE RESEARCH ON THE FAULT DIAGNOSIS IN ANALOG CIRCUITS BASED ON NEURAL NETWORKS

After the 1960s,analog circuits are the most important part in the investigation. With the fast developing of IC,in order to improve product s capability,reduce chip s area and expense,we should integrate digital and analog component into one chip. From the statistic number we can learn that there are 95 percent fault resulted from analog circuit,though only 5 percent of chip’ s area. Fault diagnosis of analog circuit always a difficult problem on IC industry. In this article the author recommend the measur...