Starting from the linearized equations for small disturbances the lateral motion of a submerged hydrofoil system is described by a set of transfer functions whose poles determine the system stability. Approximations to the poles are obtained in terms of the system hydrodynamic derivatives. By means of a digital computer the effect of parameter variations on the poles are studied for 50 ton and 110 ton craft, thereby illustrating the effect of these changes on the craft stability. The transfer function zeros are obtained in terms of the control and hydrodynamic derivatives to complete the system analysis. Using the poles and zeros previously obtained, means for automatic stabilization of the system are discussed and gain requirements are related to configurational changes.


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    Title :

    Lateral stability and motions of hydrofoil craft in smooth water


    Contributors:

    Published in:

    Publication date :

    1962-12-01


    Size :

    29 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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