STABILISED GYROCOMPASS SYSTEM Russian patent published in 2015 - IPC G01C19/38 

FIELD: physics.

SUBSTANCE: stabilised gyrocompass system includes first, second and third gyroscopes mounted on a biaxial suspension, first and second actuating devices, first and second accelerometers mounted in the housing of the stabilised gyrocompass system, an on-board computer comprising an orientation angle generating unit, a suspension control unit, an azimuth determination error autocompensation and calculation unit, gyroscope drift estimating unit, a gyroscope signal switching unit and a control device. The actuating devices ensure fixed turns of the gyroscopes about the longitudinal and transverse axes of the stabilised gyrocompass system in the -90°, 0°, +90° position relative to the direction normal to the base of the stabilised gyrocompass system. The output of the first gyroscope is connected to the input of the azimuth determination error autocompensation and calculation unit, which is connected to the output of the orientation angle generating unit and the output of the suspension control unit, the output of the azimuth determination error autocompensation and calculation unit is connected to the orientation angle generating unit of the on-board computer and the suspension control unit, the input of the orientation angle generating unit is connected to the output of the suspension control unit, the inputs of the first and second actuating devices of the suspension are connected to the outputs of the suspension control unit, which is connected to the output of the control device, the outputs of all gyroscopes are connected to the orientation angle generating unit through the gyroscope drift estimating unit and the gyroscope signal switching unit of the on-board computer.

EFFECT: high accuracy of generating orientation parameters, determining the azimuth, high reliability, longer service life, simple design, reduced weight and size.

2 cl, 4 dwg