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

Aircraft Turbofan Engine Health Estimation Using Constrained Kalman Filtering

[+] Author and Article Information
Dan Simon

Electrical Engineering Department, Cleveland State University, 1960 East 24th Street, Cleveland, OH 44115e-mail: d.j.simon@csuohio.edu

Donald L. Simon

U.S. Army Research Laboratory, NASA Glenn Research Center, 21000 Brookpark Road, Cleveland, OH 44138e-mail: donald.l.simon@grc.nasa.gov

J. Eng. Gas Turbines Power 127(2), 323-328 (Apr 15, 2005) (6 pages) doi:10.1115/1.1789153 History: Received October 01, 2002; Revised March 01, 2003; Online April 15, 2005
Copyright © 2005 by ASME
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Grahic Jump Location
Unconstrained Kalman-filter estimates of health parameters. True health-parameter changes are shown as heavy lines. Filter estimates are shown as lighter lines.
Grahic Jump Location
Constrained Kalman-filter estimates of health parameters. True health-parameter changes are shown as heavy lines. Filter estimates are shown as lighter lines.



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