The control logic of the modern full authority digital engine control is comprised of many control loops, each of which has a specific purpose. Typical control loops include (but are not limited to) a high or low rotor speed governor, an acceleration and deceleration loop, and various limiting loops for temperature, speed, fuel flow, and rate of change of fuel flow. The logic that determines which of these loops is “in control” at any particular time has a history of being very simplistic. This selection logic is usually nothing more that a cascade of minimum and maximum selection logic gates. Since this logic is so simplistic, the control engineer often has to “fine-tune” the compensator design for each loop, in order to achieve proper performance.
Fuzzy Fuel Flow Selection Logic for a Real Time Embedded Full Authority Digital Engine Control
Contributed by the International Gas Turbine Institute (IGTI) of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER. Paper presented at the International Gas Turbine and Aeroengine Congress and Exhibition, Munich, Germany, May 8–11, 2000; Paper 2000-GT-0046. Manuscript received by IGTI October 1999; final revision received by ASME Headquarters October 2000. Associate Editor: D. Wisler.
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Martucci, A., and Volponi , A. J. (November 18, 2003). "Fuzzy Fuel Flow Selection Logic for a Real Time Embedded Full Authority Digital Engine Control ." ASME. J. Eng. Gas Turbines Power. October 2003; 125(4): 909–916. https://doi.org/10.1115/1.1365396
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