Comparing Controllers for Dynamic Positioning of Ships in Extreme Seas

Output Feedback Passivity Based Controllers for Dynamic Positioning of Ships

Dynamic Positioning of Ships

A nonlinear control design study Proefschrift ter verkrijging van de graad van doctor aan de Technische Universiteit Delft, op gezag van de Rector Magnificus prof. The cover design is done by Fay van leeuwen: [email protected] Printed in The Netherlands by Wöhmann Print Service iii I want to dedicate this piece of work to my late father Dil Kabeer who realized the value of education for his ...

An Overview about Dynamic Positioning of Ships

DPS have been commercially available since the 1960s, and today a DP system is a natural component in the delivery of many new vessels. The first ship to fulfil the accepted definition of dynamic positioning was the “Eureka” (1961), of about 450 tons displacement and length 130 feet. This ship was fitted with an analogue control system, interfaced with a taut wire reference. Equipped with steer...

Fuzzy Control of Dynamic Positioning Systems for Ships

In this paper we consider the control problem of Dynamic Positioning Systems for Ships (DPSS). It interests as a case which study in nonlinear controller design because the model exhibits nonlinear interaction in three degrees of freedom (surge, sway, and yaw) by means of main propellers aft of the ship. The DPSS system considered in this paper is modeled by a Takagi-Sugeno (T-S) type fuzzy mod...

Optimal Thrust Allocation Methods for Dynamic Positioning of Ships

The first Dynamic Positioning (DP) systems emerged in the 1960’s from the need for deep water drilling by the offshore oil and gas industry, as conventional mooring systems, like a jack-up barge or an anchored rig, can only be used in shallow waters. GustoMSC has been developing DP drill ships since the early 1970’s and it is still one of their core businesses. DP systems automatically control ...