SHIP MOTION AUTOMATIC CONTROL EQUIPMENT Russian patent published in 2000 - IPC

FIELD: ship handling; automatic control equipment for sea going ships with the aid of receiver of satellite navigation system, angular velocity sensor and computer. SUBSTANCE: equipment is provided with three indicators for keeping the navigator informed on derangement in course angle increment generation unit and ship's angular velocity unit, as well as in steering gear. Equipment is provided with adder, first amplifier and two stabilitrons for forming signal of first indicator. They reduce load of steering gear at heavy sea. Signal to second indicator is furnished from second adder via capacitor and second amplifier; signal to third indicator is furnished via third adder and integrator. EFFECT: no-failure operation of control equipment; reduction of load of steering gear. 1 dwg