Fault detection in analog circuits using a fuzzy dendritic cell algorithm

  • Authors:
  • Jorge L. M. Amaral

  • Affiliations:
  • Dept. of Electronics and Telecommunications Engineering, Rio de Janeiro State University, Rio de Janeiro, RJ, Brazil

  • Venue:
  • ICARIS'11 Proceedings of the 10th international conference on Artificial immune systems
  • Year:
  • 2011

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Abstract

This work presents the early stages of the development of a fault detection system based on the Dendritic Cell Algorithm. The system is designed to detect parametric faults in linear time invariant circuits. The safe signal is related to the mean square error between the PAA representations of the impulse responses of the circuit under test and the golden circuit. The danger signal is related to the variation of that error. Instead of using a weighted sum with fixed weights, a fuzzy inference system (FIS) is used, since it is easier to define linguistic rules to infer the combination of the signals than to find appropriate weight values.