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AviationAir- and Space-Launched Guided Missiles

Closed Form Guidance Laws for Intercepting Moving Targets

Authors: Christopher S. Bartley; AIR FORCE INST OF TECH WRIGHT-PATTERSONAFB OH
Abstract:
A family of air-to-surface guidance laws designed to intercept moving targets has been developed. They include the effect of gravity, as well as constraints on the terminal flight path and heading angle, and are designed for tracking moving targets. These guidance laws yield equations for the commanded accelerations. They are based firmly on optimal control theory and meet the first and second variation necessary conditions that originate from Pontryagin's Minimum Principle. In addition, these solutions also meet the second variation sufficient conditions for a minimum. They have been evaluated in six degree of freedom simulations. The results show that they perform as designed, even for airframes which are rather sluggish.

Limitations: APPROVED FOR PUBLIC RELEASE
Description: Master's thesis
Pages: 126
Report Date: APR 2004
Report Number: A184224
Keywords relating to this report:
AIR TO SURFACE MISSILES
AIRFRAMES
BALLISTIC MISSILE INTERCEPT SYSTEMS
FLIGHT PATHS
MOVING TARGETS
SURFACE TARGETS
TRACKING
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