To solve the too many constraints problem in sneak circuit analysis of clue table method, network flow simulation was applied in sneak circuit analysis based on the research of artificial neural network (ANN) analysis method. Electrical elements- qualitative simulation models were established and circuit network-s composition method was determined, based on electrical and ANN characteristics. The network flow simulation method simulated the current diffusion process and predicted the loads- responses in circuit network. The analysis results showed whether there was sneak circuit problem. Compared the loads- responses between the circuit network design and simulation analysis forecast, the difference was the sneak circuit problem. By using this method, the loads- responses in circuit network can be predicted correctly, the defects of the clue table method can be overcome, the analysis requirements of known conditions and the effects of human factors on the analytical results can be reduced. The sneak circuit problems in real circuit network
can be solved effectively by this method.
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