Aeronautics and astronautics – Missile stabilization or trajectory control – Remote control
Reexamination Certificate
2005-01-25
2005-01-25
Gregory, Bernarr E. (Department: 3662)
Aeronautics and astronautics
Missile stabilization or trajectory control
Remote control
C244S003100, C244S003130, C244S003140, C342S062000
Reexamination Certificate
active
06845938
ABSTRACT:
A system and method that guides a device to an object using periodically adaptive guidance. The guidance and control system creates a reconstructed line-of-sight (LOS) vector to avoid system destabilization associated with small angle approximation during high bore sight engagements. The guidance system adaptively estimates the periodic maneuver of evasive objects with a set of harmonically balance Kalman filter banks. The Harmonically Balanced Kalman filter banks generate a set of probabilities that weight the effect of each individual Kalman filters on a resultant guidance command signal. The guidance command signal generated by the system acts perpendicular to the object LOS. The guidance and control system uses vectored proportional navigation guidance laws, optimal proportion navigation laws and periodically adaptive augmented guidance laws to generate a guidance command signal to supply to an autopilot.
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Burns Doane Swecker & Mathis L.L.P.
Gregory Bernarr E.
Lockheed Martin Corporation
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