Method for autonomous guidance of a spin-stabilized artillery pr

Details Method for autonomous guidance of a spin-stabilized artillery pr Method for autonomous guidance of a spin-stabilized artillery pr

1998-09-07

2000-10-24

Gregory, Bernarr E.

Aeronautics and astronautics

Missile stabilization or trajectory control

Automatic guidance

244 31, 244 323, 244 324, F41G 734

Patent

active

061353876

ABSTRACT:
A method for the autonomous guidance of a spin-stabilized artillery projectile (2; 25) toward a target (12). To ensure that an autonomously guided, spin-stabilized artillery projectile (2; 25) hits a target (12) with high precision, even at distances of .gtoreq.35 km, previously determined target data are transmitted to the projectile (2; 25) and stored therein before it is fired, and, following the firing of the projectile (2; 25), these stored data are compared with projectile position data, detected with the aid of a satellite navigational receiving station (23). The correction data resulting from this comparison are then used for the projectile (2; 25) guidance. Shortly before reaching the guidance phase, the velocity of the projectile is reduced by the use of spin-stabilized brakes and the projectile flight is changed for purposes of guidance from a spin-stabilized to a fin-stabilized flight state, wherein the projectile (2; 25) is then guided aerodynamically by means of rotating fins (9), arranged on the nose side, which can swing out, and wherein the spin-stabilized brakes function as lift surfaces once they are locked in place.

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patent: 5775636 (1998-07-01), Vig et al.
patent: 5855339 (1999-01-01), Mead et al.

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