{ "item_title" : "Alternative Methods to Standby Gain Scheduling Following Air Data System Failure", "item_author" : [" Matthew W. Coldsnow "], "item_description" : "The United States Air Force has advanced fighter aircraft that lose the ability to operate in a large portion of their operating flight envelope when an air data system failure is experienced. These aircraft are reverted to a fixed set of standby-gains that limit their maneuverability, degrade handling qualities, and increase susceptibility to departure. The purpose of this research was to determine if three alternative methods of standby-gain-scheduling could provide robust control with minimal performance degradation despite the lack of air data. To accomplish this, three methods of standby-gain-scheduling were developed, integrated, and tested in the Infinity Cube simulator at the Air Force Research Laboratory/RBCD building. The first method improved upon an algorithm which used inertial data to estimate an aircrafts true velocity used to drive the gains in an F-16 controller. This algorithm was validated by post-processing high-fidelity simulator data and actual flight data. The second method simply used inertial velocities to drive the gains in an F-16 controller.", "item_img_path" : "https://covers3.booksamillion.com/covers/bam/1/28/841/475/1288414757_b.jpg", "price_data" : { "retail_price" : "22.95", "online_price" : "22.95", "our_price" : "22.95", "club_price" : "22.95", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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