<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Oscillation Based Testing (OBT) is an effective and simple solution to the testing problem of continuous time analogue electronic filters. In this paper, diagnosis based on OBT is described for the first time. It will be referred to as OBD. A fault dictionary is created and used to perform diagnosis with artificial neural networks (ANNs) implemented as classifiers. The robustness of the ANN diagnostic concept is also demonstrated by the addition of white noise to the “measured” signals. The implementation of the new concept is demonstrated by testing and diagnosis of a second order notch cell realized with one operational amplifier. Single soft and catastrophic faults are considered in detail and an example of the diagnosis of double soft faults is also given.</p></abstract>

Oscillation Based Testing (OBT) is an effective and simple solution to the testing problem of continuous time analogue electronic filters. In this paper, diagnosis based on OBT is described for the first time. It will be referred to as OBD. A fault dictionary is created and used to perform diagnosis with artificial neural networks (ANNs) implemented as classifiers. The robustness of the ANN diagnostic concept is also demonstrated by the addition of white noise to the “measured” signals. The implementation of the new concept is demonstrated by testing and diagnosis of a second order notch cell realized with one operational amplifier. Single soft and catastrophic faults are considered in detail and an example of the diagnosis of double soft faults is also given.

Analog filter diagnosis using the oscillation based method

University of Niˇs, Faculty of Electronic Engineering, Aleksandra Medvedeva 14, P.O. Box 73 18000 Niˇs, Serbia

Journal of Electrical Engineering

{"article-title":"Analog filter diagnosis using the oscillation based method"}

Oscillation Based Testing (OBT) is an effective and simple solution to the testing problem of continuous time analogue electronic filters. In this paper,...

Analog filter diagnosis using the oscillation based method

Publié en ligne: 29 déc. 2012

Pages: 349 - 356

DOI: https://doi.org/10.2478/v10187-012-0052-4

Mots clés
active filters, artificial neural networks, oscillation based diagnosis, oscillation based testing

This content is open access.

Analog filter diagnosis using the oscillation based method

Publié en ligne: 29 déc. 2012

Pages: 349 - 356

DOI: https://doi.org/10.2478/v10187-012-0052-4

Mots clésactive filters, artificial neural networks, oscillation based diagnosis, oscillation based testing

This content is open access.

Mots clés
active filters, artificial neural networks, oscillation based diagnosis, oscillation based testing