0
TECHNICAL PAPERS: Gas Turbines: Controls, Diagnostics, and Instrumentation

Data Rectification and Detection of Trend Shifts in Jet Engine Path Measurements Using Median Filters and Fuzzy Logic

[+] Author and Article Information
R. Ganguli

Department of Aerospace Engineering, Indian Institute of Science, Bangalore 560 012, India

J. Eng. Gas Turbines Power 124(4), 809-816 (Sep 24, 2002) (8 pages) doi:10.1115/1.1470482 History: Received December 01, 2000; Revised March 01, 2001; Online September 24, 2002
Copyright © 2002 by ASME
Your Session has timed out. Please sign back in to continue.

References

Figures

Grahic Jump Location
Pure and noisy ΔEGT signals for a healthy (no fault) gas turbine
Grahic Jump Location
Effect of a single pass through linear finite impulse response (FIR) filters with varying window lengths on noisy ΔEGT for a healthy gas turbine
Grahic Jump Location
Effect of a single pass through linear infinite impulse response (IIR) filters with varying smoothing factors on noisy ΔEGT for a healthy gas turbine
Grahic Jump Location
Effect of recursive FIR filtering on ΔEGT noisy data for healthy gas turbine engine
Grahic Jump Location
Effect of recursive IIR filtering on ΔEGT noisy data for healthy gas turbine engine
Grahic Jump Location
Effect of recursive finite median hybrid (FMH) filtering on ΔEGT noisy data for healthy gas turbine engine
Grahic Jump Location
Pure and noisy ΔEGT signal for HPC fault (onset at k=51, ends at k=100)
Grahic Jump Location
Effect on noisy data of one pass through FIR filters for a faulty engine
Grahic Jump Location
Effect on noisy data of one pass through IIR filters for a faulty engine
Grahic Jump Location
Effect on noisy data of recursive passes through FIR filters for a faulty engine
Grahic Jump Location
Effect on noisy data of recursive passes through IIR filters for a faulty engine
Grahic Jump Location
Effect on noisy data of recursive passes through FMH filter for a faulty engine
Grahic Jump Location
Fuzzy sets representing linguistic measures of health residual for noisy data
Grahic Jump Location
Fuzzy sets representing linguistic measures of health residual for FMH filtered data
Grahic Jump Location
Schematic representation of fuzzy system for trend shift detection

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In