In-flight Simulation Study of Decoupled Longitudinal Controls for the Approach and Landing of a STOL Aircraft |
Common terms and phrases
acceleration derivative due acceleration input adverse ground effect airframe Analog Computer angle of attack approach and landing augmented stability derivatives blade pitch Blown Flap calm air CD configuration column displacement comm completely decoupled configuration control column control sensitivity conventional SAS deceleration decoupled airplane decoupled controls decoupled longitudinal controls Dutch Roll feedback flap flight path angle flight variables forward speed ft/sec glide slope ground simulator handling qualities in-flight simulator ISAS level of turbulence longitudinal acceleration derivative loop m/sec m/sec² per rad NASA Navion nominal turbulence pilot compensation Pilot Rating pitch acceleration derivative pitching moment rad/sec rate of sink safety pilot SAS Configurations shown in Figure simulator study sink rate speed command speed reduction SSD and CD Stability Augmentation System steady state decoupled STOL Transport Study of Decoupled thrust transient trim turbulence sensitivity vertical acceleration derivative workload Y/Yc zero ΔΘ ΔΥ