Large roll motion induced by sea waves can severely affect the performance of seagoing surface vessels. In the meanwhile, the ship speed will loss due to added resistance caused by ship motions, especially in moderate to high sea states. In addition, with increasing needs for energy savings and emissions reduction, the effect of added resistance on ship navigation performance and control quality must be considered when a ship roll stabilisation control system is designed. Therefore an alternative Roll-Added-Resistance (RAR) model is introduced to solve this problem base on the near field method. The software ANSYS-AQWA is chose to determine model parameters. As an application, fin stabilizers system is activated with a generalised minimum variance (GMV) controller. Two kinds of reference signals are adopted to investigate the effectiveness of this idea.
Design of fin stabilizers control system with optimal added resistance
01.07.2013
188463 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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