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TECHNICAL PAPERS: Gas Turbines: Controls and Diagnostics

System Identification of Jet Engines

[+] Author and Article Information
N. Sugiyama

National Aerospace Laboratory, 7-44-1 Jindaiji Higashi, Chofu, Tokyo 182-8522, Japane-mail: sugiyama@nal.go.jp

J. Eng. Gas Turbines Power 122(1), 19-26 (Oct 20, 1999) (8 pages) doi:10.1115/1.483172 History: Received March 02, 1998; Revised October 20, 1999
Copyright © 2000 by ASME
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References

Kerr, L. J., Nemec, T. S., and Gallops, G. W., 1991, “Real-Time Estimation of Gas Turbine Engine Damage Using a Control Based Kalman Filter Algorithm,” ASME Paper 91-GT-216.
Urban, L. A., and Volponi, A. J., 1992, “Mathematical Methods of Relative Engine Performance Diagnostics,” SAE 922048.
Doel, D. L., 1992, “TEMPER—A Gas-Path Analysis Tool for Commercial Jet Engines,” ASME Paper 92-GT-315.
Luppold, R. H., Roman, J. R., Gallops, G. W., and Kerr, L. J., 1989, “Estimating In-Flight Engine Performance Variations Using Kalman Filter Concepts,” AIAA 89-2584.
Espana, M. D., 1993, “On the Estimation Algorithm for Adaptive Performance Optimization of Turbofan Engines,” AIAA 93-1823.
Adibhatla, S., and Johnson, K. L., 1993, “Evaluation of a Nonlinear PSC Algorithm on a Variable Cycle Engine,” AIAA 93-2077.
Orme, J. S., and Conners, T. R., 1994, “Supersonic Flight Test Results of a Performance Seeking Control Algorithm on a NASA F-15 Aircraft,” AIAA 94-3210.
Merrill,  W. C., DeLaat,  J. C., and Bruton,  W. M., 1988, “Advanced Detection, Isolation, and Accommodation of Sensor Failures—Real-Time Evaluation,” J. Guidance, 11, No. 6, pp. 517–526.
Volponi, A. J., 1994, “Sensor Error Compensation in Engine Performance Diagnostics,” ASME Paper 94-GT-58.
Safonov,  M. G., and Athans,  M., 1978, “Robustness and Computational Aspects of Nonlinear Stochastic Estimators and Regulators,” IEEE Trans. Autom. Control., AC-23, No. 4, pp. 717–725.
Misawa,  E. A., and Hedrick,  J. K., 1989, “Nonlinear Observers—A State-of-the-Art Survey,” ASME J. Dyn. Syst., Meas., Control, 111, pp. 344–352.
Sugiyama, N., 1990, “Generalized High Speed Simulation of Gas Turbine Engines,” ASME Paper 90-GT-270.
Seldner, K., Mihaloew, J. R., and Blaha, R. J., 1972, “Generalized Simulation Technique for Turbojet Engine System Analysis,” NASA TN D-6610.
Sugiyama,  N., 1994, “Derivation of System Matrices From Nonlinear Dynamic Simulation of Jet Engines,” J. Guid. Control. Dyn., 17, No. 6, pp. 1320–1326.
Adibhatla, S., and Gastineau, Z., 1994, “Tracking Filter Selection and Control Mode Selection for Model Based Control,” AIAA 94-3204.
Sugiyama, N., 1996, “On-Line System Identification of Jet Engine,” AIAA 96-2590.

Figures

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Simulation block diagram of two-spool turbofan engine
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Estimation of engine component deviation parameter change
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Estimation of unmeasurable variables
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Effect of operating point
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Effect of measurement bias and unpredicted system change
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Measured variables and estimated variables respond to VSV change
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ECDP estimation respond to VSV change
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ECDP estimation respond to BAV open
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Sensor failure accommodation
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Estimation of non-measured variables
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Concept of advanced FADEC
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Configuration of two spool turbofan engine

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