The basic concepts and mathematics of a methodology that allows successful relative assessment of simultaneously occurring multiple faults in gas turbine engine modules and sensors, are presented in detail. Included are a detailed exposition of a thermodynamic/differential equation based model of a representative type of gas turbine engine; discussion of correction methods to minimize data scatter; the mathematical design aspects of a demonstratedly successful approach to data filtering to deal with residual scatter caused by large or small sensor errors, data correction errors, or engine system modelling errors.
Mathematical Methods of Relative Engine Performance Diagnostics
Sae Technical Papers
Aerospace Technology Conference and Exposition ; 1992
1992-10-01
Aufsatz (Konferenz)
Englisch
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