Motion compensation

The Barge Master hydraulic platform compensates sea-induced motions during offshore and near-shore installation work. 

In a three dimensional world, six degrees of freedom (DoF) need to be compensated in order to keep the Barge Master platform from moving. Three DoF’s are compensated by restraining two translations (Surge and Sway) and one rotation (Yaw) of a barge or vessel by using traditional anchors or a dynamic positioning system.

The remaining three degrees of freedom, one translation (heave) and two rotations (roll and pitch), are compensated by the Barge Master, a platform driven by 3 hydraulic actuators. By controlling the actuators, which produce the counteractive motion, and measuring the heave, roll and pitch, the platform remains still relative to the fixed world.