System Test and Diagnosis

Simpson, William R.; Sheppard, John W.

doi:10.1007/978-1-4615-2702-2

Cited by 122 publications

(50 citation statements)

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“…The fault management application then needs to request or run these tests, and utilizes their results to complete the diagnosis. A test, as originally defined in [22], can incorporate arbitrarily complex analysis and actions, as long as it returns a true or false value.…”

Section: Reactive Approachmentioning

confidence: 99%

How to Manage Failures in Air Traffic Control Software Systems

Montanari¹,

Baldoni²,

Morciano³

et al. 2012

Advances in Air Navigation Services

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Section: Reactive Approachmentioning

confidence: 99%

How to Manage Failures in Air Traffic Control Software Systems

Montanari¹,

Baldoni²,

Morciano³

et al. 2012

Advances in Air Navigation Services

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“…We started with known and consistent diagnostic relationships modeled using a D-Matrix [26]. The particular D-Matrix represented eight tests over eight possible component failures.…”

Section: Experimental Designmentioning

confidence: 99%

Distributional Smoothing in Bayesian Fault Diagnosis

Butcher

Sheppard

2009

IEEE Trans. Instrum. Meas.

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Abstract-Previously, we demonstrated the potential value of constructing asset-specific models for fault diagnosis. We also examined the effects of using split probabilities where prior probabilities come from asset-specific statistics and likelihoods from fleet-wide statistics. In this paper, we build upon that work to examine the efficacy of smoothing probability distributions between asset-specific and fleet-wide distributions to improve diagnostic accuracy further. In the current experiments, we also add environmental differentiation to asset differentiation under an assumption that data is acquired in the context of online health monitoring. We hypothesize that overall diagnostic accuracy will be increased with the smoothing approach relative to a fleet-wide model or a set of asset-specific models. The hypothesis is largely supported by the results. Future work will concentrate on improving the smoothing mechanism and in the context of small data sets.

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“…We assert that the whole purpose of testing is to perform diagnosis (Simpson and Sheppard, 1994). In justifllng this assumption, we rely on a very general definition of diagnosis, derived from its Greek…”

Section: Ai-estatementioning

confidence: 99%

Information-based standards and diagnostic component technology

Sheppard¹,

Giarla²

2000 IEEE Autotestcon Proceedings. IEEE Systems Readiness Technology Conference. Future Sustainment for Military Aerospace (Cat

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Software development methods have evolved over the years from structured design of procedural code, to object oriented design, to component-based design. Recent requirements by industry and government have resulted in the development of interface specifications and standards designed to facilitate acquisition of large systems based on the concepts of component technology. In this paper, we discuss the development of information-based standards for diagnostic information and diagnostic reasoning intended to provide the definition of diagnostic components within a larger test or health management envir onmen t.

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System Test and Diagnosis

Abstract: System test and diagnosis / by William R. Simpson and John W. Sheppard. p. cm. Includes bibliographicaI references and index.

Cited by 122 publications

References 0 publications

How to Manage Failures in Air Traffic Control Software Systems

How to Manage Failures in Air Traffic Control Software Systems

Distributional Smoothing in Bayesian Fault Diagnosis

Information-based standards and diagnostic component technology

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