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Coordinating control for a fleet of underactuated ships

Publiceringsår: 2006
Språk: Engelska
Sidor: 233-250
Publikation/Tidskrift/Serie: Group Coordination and Cooperative Control (Lecture Notes in Control and Information Sciences)
Volym: 336
Dokumenttyp: Del av eller Kapitel i bok
Förlag: Springer


We consider design of coordinating controllers for a fleet of underactuated ships. Each ship is modeled as a mechanical system with 3 degrees of freedom and 2 control inputs, which are the propeller thrust and the angle of the rudder; presence of lumped environmental forces is assumed. The proposed motion planning procedure relies. on properties of an auxiliary explicitly constructed second order dynamical system. We propose a procedure for motion planning for the whole fleet and for design of a coordinating feedback controller, which stabilizes the motion. In the case when geometric paths for ship motions are given, following our approach, we obtain a description of all feasible motions of the fleet along these paths. In addition, it is shown how to design controllers to counteract environmental forces while remaining on the paths. As a side result, we provide some modifications and give some insights into the weather optimal positioning control design, introduced in [1] for a fully actuated ship model.


  • Control Engineering


  • ISSN: 0170-8643
  • ISBN: 978-3-540-33468-2

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