Hydrodynamic modeling with grey-box method of a foil-like underwater vehicle
نویسندگان
چکیده
منابع مشابه
Hydrodynamic Improvement of underwater glider by Computational Fluid Dynamics method
Gliders are new marine vehicles which have research and military uses and they move by sequent diving and climbing. Suitable design of its main body and wings are important for the most advance velocity. hydrodynamic design variables are main body form, wings (cross section, dimensions, shape, longitudinal and vertical position) and hydrostatic parameters (static trim angle, amount of added for...
متن کاملComputation of Hydrodynamic Coefficients of Portable Autonomous Underwater Vehicle
Hydrodynamic coefficients in the motion equations of any underwater vehicle are inherent characteristics of the body geometry, the geometry and location of control surfaces and other appendages and separation of centers of gravity and buoyancy. This paper reports the prediction of values of straight-line hydrodynamic coefficients for a portable autonomous underwater vehicle (PAUV) by using empi...
متن کاملIdentification of Underwater Vehicle Hydrodynamic Coefficients Using Free Decay Tests
A new method is proposed for the experimental determination of the longitudinal and lateral hydrodynamic coef cients of a low-speed UUV. The technique presented is a development of the classical free-decay test. A body is excited with a mechanism of springs, and system identi cation techniques are carried out on measured data, with the intention of evaluating the added mass and linear damping o...
متن کاملHydrodynamic parameter estimation of an open frame unmanned underwater vehicle
A semi-autonomous unmanned underwater vehicle (UUV), named VSOR, is being developed at the Laboratory of Sensors and Actuators at the University of Sao Paulo. The vehicle has been designed to provide inspection and intervention capabilities in specific missions in deep water oil fields. This work presents a methodology to identify the drag coefficients and virtual mass/inertia of an open-frame ...
متن کاملHydrodynamic Coefficients Identification and Experimental Investigation for an Underwater Vehicle
Hydrodynamic coefficients are the foundation of unmanned underwater vehicles modeling and controller design. In order to reduce identification complexity and acquire necessary hydrodynamic coefficients for controllers design, the motion of the unmanned underwater vehicle was separated into vertical motion and horizontal motion models. Hydrodynamic coefficients were regarded as mapping parameter...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: China Ocean Engineering
سال: 2017
ISSN: 0890-5487,2191-8945
DOI: 10.1007/s13344-017-0088-0