Mathematical Methods of Relative Engine Performance Diagnostics

Paper #:
  • 922048

Published:
  • 1992-10-01
Citation:
Urban, L. and Volponi, A., "Mathematical Methods of Relative Engine Performance Diagnostics," SAE Technical Paper 922048, 1992, https://doi.org/10.4271/922048.
Pages:
28
Abstract:
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.
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