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Model-aided diagnosis: An inexpensive combination of model-based and case-based condition assessment

Author(s):

M. Stanek, M. Morari, K. Fröhlich
Conference/Journal:

IEEE Transactions on Systems, Man and Cybernetics - Part C: Applications and Reviews, vol. 31, no. 2, pp. 137-145
Abstract:

Online condition monitoring and diagnosis are utilized more and more for increasing the reliability and availability of technical systems and to reduce maintenance costs. Today’s model-based diagnosis (MBD) tools are able to detect and identify incipient and sudden faults very reliably. For application on cost-sensitive equipment such as high-voltage circuit breakers (HVCBs), however, the presently available MBD systems are not feasible for economic reasons. In this paper, a novel combination of the model-based with the case-based approach to condition diagnosis is presented,which can be implemented on a low-cost computer and offers satisfactory performance. The technique is divided into two parts:1) preparation and 2) diagnosis. The diagnosis part can be executed on an inexpensive low-performance computer. Successful tests on real HVCBs confirm the usefulness of this new approach to condition diagnosis.

Year:

2001
Type of Publication:

(01)Article
Supervisor:



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% Autogenerated BibTeX entry
@Article { StaMor:2001:IFA_83,
    author={M. Stanek and M. Morari and K. Fr{\"o}hlich},
    title={{Model-aided diagnosis: An inexpensive combination of
	  model-based and case-based condition assessment}},
    journal={IEEE Transactions on Systems, Man and Cybernetics - Part C:
	  Applications and Reviews},
    year={2001},
    volume={31},
    number={2},
    pages={137--145},
    month=may,
    url={http://control.ee.ethz.ch/index.cgi?page=publications;action=details;id=83}
}
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