An Investigation of the Tracking Performance of the Fire Fly Manual Director Gunsight for Air-To-Air Gunnery.
AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OHIO SCHOOL OF ENGINEERING
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The tracking performance of the Fire Fly manual director gunsight is evaluated during the terminal phase of air-to-air gunnery using the F-106 aircraft as the test bed. A digital simulation of the closed loop tracking task is performed. The multi-axis analytical pilot model is adapted for use in the F-106Fire Fly gunsight simulation. A set of nominal pilot model parameter values, determined by root locus analysis, is used in simulating the tracking performance of the Fire Fly gunsight against targets in constant altitude, constant airspeed, constant rate turns at bank angles of 30, 60, and 70 degrees. The tracking error responses are found to have characteristics similar to those observed in the tracking responses obtained from man-in-the-loop simulation studies. The dependence of the tracking error responses on the pilot model parameter values is demonstrated by simulation runs in which several pilot model parameter values are varied.
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