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

Fuzzy Fuel Flow Selection Logic for a Real Time Embedded Full Authority Digital Engine Control

[+] Author and Article Information
A. Martucci, A. J. Volponi

Pratt & Whitney, 400 Main Street, East Hartford, CT 06108

J. Eng. Gas Turbines Power 125(4), 909-916 (Nov 18, 2003) (8 pages) doi:10.1115/1.1365396 History: Received October 01, 1999; Revised October 01, 2000; Online November 18, 2003
Copyright © 2003 by ASME
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References

Zadeh, L. A., 1965, Fuzzy sets, Inform. Control Vol. 8.
Zadeh, L. A., 1973, Outline of a New Approach to the Analysis of Complex Systems and Decision Processes, IEEE Transactions on Systems, Man, and Cybernetics, SMC-3,(1)(1973).
Mandami, E. H., 1974, Applications of Fuzzy Algorithms for Simple Dynamic Plant, Proc. IEEE, Vol. 121, No. 12.
Ross, Timothy J., 1995, Fuzzy Logic with Engineering Applications, McGraw-Hill, Inc., ISBN 0-07-053917-0
Volponi, Allan J. and Solomonides, Jason B., 1994, Advanced Engine Control Development Utilizing Fuzzy Logic and Rapid Prototyping, Royal Aeronautical Society Proceedings ISBN 1 85768 021 9, November 1994.

Figures

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Example membership curves
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Mandami and Larsen methods
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Centroid and mean of max methods
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Typical control law architecture
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Traditional selection logic
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Overview of fuzzy selector
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(a) N1 governor error membership functions; (b) accel (decel) error membership functions.
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N1-accel (decel) Wfdot membership functions
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N1 time response for idle/MTO snap accel
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Loop indicator for idle/MTO snap accel
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N2 dot and accel reference for idle/MTO snap accel
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Wfdot and limits for idle/MTO snap accel
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N1 time response for idle/MTO slow accel
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Loop indicator for idel/MTO slow accel
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N2 dot and accel reference for idle/MTO slow accel
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N1 time response for idle/MTO snap accel w/noise
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Loop indicator for idle/MTO snap accel w/noise
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N1 impulse Response for idle/MTO snap accel

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