Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!olivea!uunet!math.fu-berlin.de!opal!unido!uniol!Norbert.Zacharias
From: Norbert.Zacharias@arbi.informatik.uni-oldenburg.de (Norbert Zacharias)
Newsgroups: comp.ai.neural-nets
Subject: Re: NNs for machine vibration analysis: Request for info.
Keywords: back-propagation application vibration analysis
Message-ID: <4905@uniol.UUCP>
Date: 1 Mar 91 10:19:12 GMT
References: <4852@goanna.cs.rmit.oz.au>
Organization: University of Oldenburg, Germany
Lines: 28

mjb@goanna.cs.rmit.oz.au (Mat Boek) writes:


>I have been working in applying back-prop networks to the problem of fault
>diagnosis of machinery through analysis of their vibration signals, for my
>Masters degree thesis.  The method I use involves collecting vibration signals
>from tranducers attached to critical points on the operating machine, filtering
>and digitally processing the signal (FFT) to produce spectra, which represent
>the machine's state at a given time.  Certain features are extracted from the
>spectra, and these features are used as inputs to the network.

>As yet, I haven't found any evidence of other work on applying  neural-net 
>(or expert-systems) to this type of problem, apart from using nets to classify
>sonar signals (Gorman and Sejnowski, 1987).  Does anyone know of work that 
>is being done in this, or a similar area?  Any help, comments etc., will be 
>very much appreciated, and queries cheerfully answered, if possible!

I'm interested too
Norbert
-- 
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Norbert Zacharias          Norbert.Zacharias@arbi.informatik.uni-oldenburg.de
FB Physik                                               148964@DOLUNI1.bitnet
Carl-von-Ossietzky-Universitaet
Tel. 0049-441-7983527
 Was Du nicht willst das man Dir tu, das will auch nicht was willst denn Du?
							   Heinz Erhard
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