Optimal Estimation, Prediction, and Control in a Missile Defense System

This report summarizes the work performed by the Information and Control Group in support of Nike-X System Evaluation Studies. The results of a study on real-time implementation of the Kalman filter for estimating ballistic trajectories at endoatmospheric and exoatmospheric altitudes are described....

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Bibliographic Details
Main Author: Dressler, Robert M
Format: Report
Language:English
Subjects:
ALGORITHMS
Antimissile Defense Systems
ATMOSPHERE ENTRY
CONTROL
DYNAMIC PROGRAMMING
ESTIMATION
EXOSPHERE
GRADIENT METHODS
GUIDANCE
GUIDED MISSILE TRACKING SYSTEMS
GUIDED MISSILE TRAJECTORIES
IMPACT PREDICTION
IONOSPHERE
KALMAN FILTERS
MATHEMATICAL PREDICTION
NIKE-X
NUMERICAL ANALYSIS
REENTRY VEHICLES
SENSITIVITY
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Summary:This report summarizes the work performed by the Information and Control Group in support of Nike-X System Evaluation Studies. The results of a study on real-time implementation of the Kalman filter for estimating ballistic trajectories at endoatmospheric and exoatmospheric altitudes are described. In addition, analytical techniques for investigating and characterizing the sensitivity of filter performance with respect to parameter variations are discussed. Computer programs, based on the gradient method and dynamic programming, for calculating optimal guidance and control for an AMM are described. Finally, a study concerned with the problem of predicting the trajectory and impact point of a ballistic reentry vehicle is outlined. (Author)