Ordnance – Mounts – Training mechanisms
Patent
1991-06-12
1993-01-19
Johnson, Stephen M.
Ordnance
Mounts
Training mechanisms
89 4106, F41G 316, F41G 306
Patent
active
051808811
ABSTRACT:
Fire control apparatus (30) comprises a gun (32) for firing a projectile at a target (T). The gun is mounted on a platform (36) which is subject to vibratory motion. A laser unit (40) generates a laser beam directable at the target. A gunner (G) directs a laser beam at the target and a return laser waveform reflected by the target is received back at the platform. A processor (44) is responsive to the return waveform to determine the target's range, speed, and direction of movement relative to the platform. Further, the processor determines a firing solution by which a projectile fired from the gun strikes the target. This solution includes a lead angle by which the gun should be directed ahead of the target for the projectile to strike it. A beam steering unit (62) is responsive to an output from the processor to realign the laser beam relative to the target. The degree of realignment is in accordance with the firing solution so the projectile fired from the gun strikes the target. The beam steering unit also stabilizes the laser beam to isolate it from platform vibrations. This is done to increase system accuracy.
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Waldman Gary
Wootton John R.
Electronics & Space Corp.
Johnson Stephen M.
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