Device for controlling a cycloidal ship's propeller

摘要

In order to be able to adjust the control point of a cycloid propeller (1) ("Voith-Schneider-Propeller") precisely and quickly, hydraulic actuating cylinders (25y) with electrical proportional valves (26y) are provided, the setpoint of which - preferably via a subordinate valve current control circuit and one Valve position control loop - supplied by a cylinder stroke control loop. The run and rudder commands are converted by means of ramp generators, which limit the adjustment speed depending on the load and the direction of travel, according to suitable characteristic curves into control variables, which are transformed from ship coordinates to actuator coordinates and converted into the setpoints for the cylinder strokes according to the Pythagorean theorem will.