Application of Feed-forward Artificial Neural Networks to the Identification of Defective Analog Integrated Circuits |
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Authors: | D. Mičušík V. Stopjaková L'. Beňušková |
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Affiliation: | (1) Department of Microelectronics, Slovak University of Technology Bratislava, Slovakia, SK;(2) Department of Computer Sciences and Engineering, Slovak University of Technology Bratislava, Slovakia, SK |
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Abstract: | This paper presents a new approach for detecting defects in analog integrated circuits using a feed-forward neural network trained by the resilient error back-propagation method. A feed-forward neural network has been used for detecting faults in a simple analog CMOS circuit by representing the differences observed in power supply current of fault-free and faulty circuits. The identification of defects was performed in time and frequency domains, followed by a comparison of results achieved in both domains. We show that resilient back-propagation neural networks can be a very efficient and versatile approach for identifying defective analog circuits. Moreover, this approach is not limited to the supply current analysis, because it also offers monitoring of other circuit parameters. The type of defects detected by the resilient backpropagation neural networks, as well as other possible applications of this approach, are discussed. |
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Keywords: | : Circuits response investigation Fault modelling and simulation Resilient-backpropagation neural networks Signal filtering Supply current analysis |
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