A preliminary evaluation of an F100 engine parameter estimation process using flight data
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83°-PLA setting afterburner aircraft Ames Research Center BLD and HPX bleed air bleed flow bleed was switched CEM estimates Compact Engine Model Comparison of CEM compressor stall margin control inputs DEEC estimate DELPT digital electronic Dryden Flight Research DWFAN DWHPC engine deterioration engine operation Engine Parameter Estimation estimated engine variables estimation algorithm F-15 airplane F100 engine fan airflow fan stall margin flight condition flight data flight measurements Flight Research Facility flight segment flight test fuel flow gine horsepower extraction Kalman filter estimator lb/sec left engine linear model locally constant Mach matrix NASA NASA Ames Research near-steady-state nominal bleed model nonlinear nozzle area Parameter Estimation Process performance seeking control predicted trim propulsion system PSC algorithm PT4 and PT6 sec Fig seeking control PSC sensors shown in Fig SMHC station 2.5 steady-state model timate tion trim predictions trim values turbofan values of PT4 vector WCHPC