DEVICE FOR CONTROL OF SHIP'S MOTION Russian patent published in 2007 - IPC B63H25/06 B63G8/14 

FIELD: control of motion of ships equipped with special jettisonable articles.

SUBSTANCE: proposed device is provided with angle of trim sensor, angle of trim selector, angular velocity sensor and rudder position sensor whose outputs are connected to first, second, third and fourth inputs of summing-up amplifier whose output is connected with steering gear input; device is also provided with ballast tank and valve for blowing the tanks, tank preliminary blowing unit, sensor showing pressure inside tank whose output is connected with input of tank preliminary blowing unit whose output is connected in its turn with ballast tank air inlet through tank blowing valve.

EFFECT: enhanced accuracy of ship stabilization in the course of jettisoning special-purpose objects.

1 dwg