This paper describes the control mode analysis procedure that is used to establish closed-loop control requirements for advanced aircraft propulsion systems. The procedure utilizes anticipated variations in engine component performance, engine deterioration, and control tolerances in a statistical analysis to establish corresponding variations in engine output performance and safety parameters. Potential closed-loop control configurations are evaluated by this process, compared, and the best configuration selected for implementation into control law and schedule designs. A byproduct of the analysis is the establishment of engine design and performance margins. The paper will describe typical engine variational models used in this process, the General Electric COMET program designed to automate the analysis, and typical mode study results based on a current augmented turbofan engine.
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October 1985
Research Papers
Aircraft Engine Control Mode Analysis
H. Brown,
H. Brown
Engine Dynamics and Control Simulation, General Electric Company, Cincinnati, Ohio 45215
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J. A. Elgin
J. A. Elgin
Control Mode Analysis, General Electric Company, Cincinnati, Ohio 45215
Search for other works by this author on:
H. Brown
Engine Dynamics and Control Simulation, General Electric Company, Cincinnati, Ohio 45215
J. A. Elgin
Control Mode Analysis, General Electric Company, Cincinnati, Ohio 45215
J. Eng. Gas Turbines Power. Oct 1985, 107(4): 838-844 (7 pages)
Published Online: October 1, 1985
Article history
Received:
January 24, 1984
Online:
October 15, 2009
Citation
Brown, H., and Elgin, J. A. (October 1, 1985). "Aircraft Engine Control Mode Analysis." ASME. J. Eng. Gas Turbines Power. October 1985; 107(4): 838–844. https://doi.org/10.1115/1.3239820
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