Estimation of the Hydrodynamics Coefficients of an ROV using Free Decay Pendulum Motion
نویسندگان
چکیده
good dynamics model is essential and critical for the successful design of navigation and control system of an underwater vehicle. However, it is difficult to determine the hydro-dynamics forces, especially the added mass and the drag coefficients. In this paper, a new experimental method has been used to find the hydrodynamics forces for the ROV II, a remotely operated underwater vehicle. The proposed method is based on the classical free decay test, but with the spring oscillation replaced by a pendulum motion. The experiment results determined from the free decay test of a scaled model compared well with the simulation results obtained from well-established computational fluid dynamics (CFD) program. Thus, the proposed approach can be used to find the added mass and drag coefficients for other underwater vehicles.
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ورودعنوان ژورنال:
- Engineering Letters
دوره 16 شماره
صفحات -
تاریخ انتشار 2008