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Anti-rolling system for ships
MOCON ART Hoppe Bordmesstechnik

The Anti-Rolling System type MOCON has been developed to reduce the roll motions of vessels at sea. MOCON is based on a U-shape tank system which is equipped with monitoring and control equipment. The tank water oscillation is energised by the roll movement of the ship. The oscillating tank water is counteracting ships roll motion and stabilising the vessel. The efficiency of U-shape tank system is optimised by developed measurement and control technology. The results of data input to system control from monitoring of tank water oscillation and ship roll movement ensures optimised control and best system efficiency. The system is self-controlled including automatic safety procedures in case of malfunctions of components or sea/ship conditions are outside of system working range.

Reliability
Long time experiences in measurement and control systems for ships form the basis of MOCON system. The utilisation of components which are in operation since many years ensures a safe and low maintenance requiring service.

Measurement and Control Technology
The developed control system combines continuously measurement of dynamic tank Level and ships roll movement allows a proportional water flow control. The measurement results are basis for adaptation of tank water oscillation period by tank damping modulation. The dynamic control system ensures a harmonic tank water oscillation and lead so also to a more harmonic roll motion of the vessel.