Abstract
A four-level technique is described for estimation of aerodynamic moment coefficient M <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">α</inf> , normal acceleration force coefficient Z <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">α</inf> , and velocity <tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">V</tex> . These parameters are associated with a simplified model of pitch plane dynamics for a tactical missile. Contrary to past studies where aerodynamic parameters were estimated from measurements which are very difficult to obtain (e.g., angle of attack), it is shown herein how estimates of the above parameters can be realized from measurements which are more easily obtained. Specifically, parameters are estimated from measurements of rate, normal acceleration, and gimbal angle deflection.
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