HELIX: A helicopter diagnostic system based on qualitative physics

Hamilton, Thomas P.

doi:10.1016/0954-1810(88)90030-1

Cited by 13 publications

(3 citation statements)

References 6 publications

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“…The most popular type of expert systems used in gas turbine fault diagnostics is the knowledge and rule based expert system. Typical examples of such a type of expert system are ENGDOC [103], TEXMAS [104] for the Lycoming T53 engine, HELIX [105,106] for a twinengine gas turbine helicopter engine, XMAN [107] for TF-34 engine, TIGER [108], IFDIS for the TF30 engine [109,110], SHERLOCK for helicopter engines [100], and so on. More recently, this type of method has been further developed and applied to gas turbine diagnostics by Vivian and Singh [111], Torella [72], Charchalis and Korczewski [112], DePold and Gass [10], Diao and Passino [113], Forsyth and Delaney [114], and Pettigrew [115].…”

Section: Expert Systemsmentioning

confidence: 99%

“…More recently, this type of method has been further developed and applied to gas turbine diagnostics by Vivian and Singh [111], Torella [72], Charchalis and Korczewski [112], DePold and Gass [10], Diao and Passino [113], Forsyth and Delaney [114], and Pettigrew [115]. Hamilton [105] and Winston et al [100] applied qualitative reasoning of de Kleer and Brown [116] in their expert systems. Meher-Homji et al [117] described a hybrid expert system where both expert systems and algorithm approaches were utilized for gas turbine condition monitoring and diagnostics.…”

Section: Expert Systemsmentioning

confidence: 99%

See 1 more Smart Citation

Performance-analysis-based gas turbine diagnostics: A review

2002

Proceedings of the Institution of Mechanical Engineers, Part A:

169

126

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Gas turbine diagnostics has a history almost as long as gas turbine development itself. Early engine fault diagnosis was carried out based on manufacturer information supplied in a technical manual combined with maintenance experience. In the late 1960s, when L. A. Urban introduced gas path analysis, gas turbine diagnostics made a big breakthrough. Since then different methods have been developed and used in both aerospace and industrial applications. To date, a substantial number of papers have been published in this area. This paper intends to give a comprehensive review of performance-analysis-based methods available thus far for gas turbine fault diagnosis in the open literature.

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Section: Expert Systemsmentioning

confidence: 99%

Section: Expert Systemsmentioning

confidence: 99%

Performance-analysis-based gas turbine diagnostics: A review

2002

Proceedings of the Institution of Mechanical Engineers, Part A:

169

126

View full text Add to dashboard Cite

show abstract

“…The approach represents a promising technique for automating the qualitative reasoning required to diagnose novel failures and may form the basis for extensive automation both in airbome and ground-based diagnostic systems (Hamilton, 1988). By representing only the normal behavior of the helicopter and testing hypotheses by constraint suspension, HELIX has been able to diagnose single or multiple failures without prior knowledge of failure modes.…”

Section: Helix (Helicopter Integrated Expert)mentioning

confidence: 99%