System for controlling the movement of a movable gun and turret

Details System for controlling the movement of a movable gun and turret System for controlling the movement of a movable gun and turret

F - Mech Eng,Light,Heat,Weapons

41

G

89/39, 341/97

F41G 5/00 (2006.01) F41A 27/28 (2006.01) G05D 3/14 (2006.01)

Patent

CA 1155200

Abstract of the Disclosure A rotatable member, such as a turret at a weapons station, is controllable about an azimuth axis. A weapon is carried in the turret with the weapon being controllable therewithin about an elevation axis. The moments of inertia of the turret and weapon about the azimuth axis and of the weapon about the elevation axis are relatively high. The disclosed system pro- vides for elevation and azimuth control through eleva- tion and azimuth drive trains having reflected drive train inertias which are at least two orders of magnitude smaller than the inertia of the turret and weapon about the azimuth axis and at least one order of magnitude smaller than the inertia of the weapon about the elevation axis. Further, the system senses spurious torque applied about either axis, as for example due to the recoil of the fixed weapon, and pro- vides automatic repositioning of the controlled members about either axis to compensate for angular displace- ment caused by the spurious torque.

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