| 摘要 |
An arrangement for stabilizing an oscillating mass, such as a gun or an optical or electronic instrument, mounted with two degrees of freedom on a moving frame, comprises means for transmission of torque to the oscillating mass, constituted by very low viscosity torque producing drive or torque motors with very slight viscosity mounted in direct engagement with the oscillating mass, and means for automatic correction of either systemic or arbitrary or random imbalances, constituted by a device for transfer of mass mounted directly on the assembly that is to be stabilized. In a preferred embodiment, the oscillating mass is a gun pivoted about a horizontal axis passing through or close to the center of gravity, having at one of its ends a metallic sector constituting the rotor of a stabilizing torque producer whose stator is integral with the gun turret and constitutes the inductor or field winding of the torque producer or motor. The mass transfer device preferably comprises an arrangement for automatically transferring liquid between tanks mounted on the oscillating mass on both sides of the axis of oscillation.
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