Aeronautics and astronautics – Missile stabilization or trajectory control – Remote control
Patent
1990-08-14
1991-12-24
Sotomayor, John B.
Aeronautics and astronautics
Missile stabilization or trajectory control
Remote control
244 312, 244 316, F41G 732, F42B 1504
Patent
active
050744917
ABSTRACT:
A method for measuring boresight and parallax misalignment between multiple missile track links and for compensating guidance of a missile to a selected target. The method is applicable to any missile tracking system employing multiple track links. A missile is projected toward a target along a line of sight and tracked by multiple tracking sensors. Instantaneous output signals of any two tracking sensors are compared to determine instantaneous errors in boresight, parallax, or random errors. The error information is used to compute boresight and parallax correction terms. The correction terms are fed into conventional missile guidance algorithms to correct errors between the tracking sensor's line of sight and an operator's line of sight. Misalignment is measured during missile flight and the missile is used as a reference source in measuring the misalignments. The method is useful in tracking systems mounted on moving vehicles where accurate alignment of track links is difficult. The invention is also be useful in automatically preventing missile misses due to accidental misalignments in systems where the operator has manual control of the misalignment.
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Denson-Low W. K.
Grunebach Georgann S.
Hughes Aircraft Company
Sotomayor John B.
Streeter William J.
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