This paper investigates the hydraulic system drive used onboard ships to actuate stabilizing fins. The hydraulic drives are often characterized by low efficiencies, heavy maintenance, frequent oil leaks and large weight and size. To overcome these draw-backs, in this paper a concept design of a full-scale permanent magnet linear synchronous motor directly coupled to the shipboard fin stabilizer, is presented, used as a servo-motor. The innovative electric drive is based on prototype of high thrust linear motor built in a previous research. A complete Simulink model, where electric, mechanical and hydraulic domains can be connected, has been realized. Simulations has been performed to evaluate the hydraulic drive efficiency and in order to assess the servo-assistance capabilities. The results show the feasibility of the proposed solution for a future practical application. This research has been carried out in the framework of the Italian Defence Research National Program for the development of ‘dual use’ technologies.


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    Title :

    Actuation of ship stabilizing fins by a permanent magnet linear synchronous motor drive servoed to the hydraulic motor


    Contributors:
    Zito, D. (author) / Bruzzese, C. (author) / Rafiei, M. (author) / Santini, E. (author) / Mazzuca, T. (author) / Tessarolo, A. (author) / Lipardi, G. (author)


    Publication date :

    2016-04-01


    Size :

    3885531 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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