Analog fault detection and classification using genetic algorithm

  • Authors:
  • Reza Askari Moghadam

  • Affiliations:
  • Computer Engineering Department, Payam Noor University of Tehran

  • Venue:
  • CIS'09 Proceedings of the international conference on Computational and information science 2009
  • Year:
  • 2009

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Abstract

The increased complexity of recent integrated circuits and Micro Electro Mechanical Systems (MEMS) production requires a significant effort in testing that has to keep pace with this progress in circuit and system design in order to ensure their quality and reliability. Thus a powerful tool or method is needed to detect different faults in MEMS devices. In MEMS, electrical, mechanical, electromagnetical and other nonelectrical parts are used and multi domain energies are usually converted to electrical signals. Because of complexity and microscopic material properties, there are a wide range of analog and digital faults. Nowadays, we have not a comprehensive science of microscopic fault mechanisms and most of them are analog faults which are difficult to be detected. Artificial Intelligence (AI) methods seemed to be a good candidate for fault detection. In this paper a new Genetic Algorithm (GA) is proposed for good classification of patterns and distinguishing fault free and faulty clusters. Different formulas have been used to calculate Closeness and evaluation function of patterns.