Patent ID: 8176865

Claim:
A steering actuator for a steer-by-wire control system of a ship, the actuator being a linear electro-mechanical actuator and comprising: an electric motor ( 2 ), a spindle ( 5 ) connected, via an articulation ( 4 ), to a rudder assembly ( 3 , 13 ), the spindle ( 5 ) comprises threads which engage threads of a threaded element ( 8 , 22 ) that is driven by the electric motor ( 2 ), a controller ( 11 ) connected via a CAN bus to an electronic control unit of the control system (ECU) of the ship, an angle sensor ( 12 ) connected to the controller ( 11 ) for determining an angular position of a rudder ( 13 ), and the electric motor ( 2 ) being a vector-controlled brushless motor.