SHIP STABILIZATION SYSTEM Russian patent published in 2001 - IPC

FIELD: shipbuilding; ship motion control systems. SUBSTANCE: ship stabilization system includes depth error sensor, trim angle sensor, rudder angle sensor whose outputs are connected to amplifier inputs. Amplifier output is connected to steering gear input. Besides that, proposed system includes logic unit, two compensating members and setting selector. Logic unit consists of two identical subunits whose inputs are connected in parallel with respective outputs of setting selector and their outputs are connected with inputs of compensating members. Each logic subunit has polarized relays and two electromagnetic relays. EFFECT: enhanced efficiency of stabilization of wide types of ships at considerable external disturbances whose magnitude and time of action are unknown. 2 dwg