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GYRO MOMENT STABILIZER FOR 10M YACHTS
(2020-02-28) Elasowad, Houssam A. Kh.
In the field of engineering design, gyroscopes have a long history of application due to their precession and rigidity. A spinning gyro disc rigidly maintains its orientation, which is an important characteristic of gyroscopes. This property is utilized in many sensor applications such as passive stabilization systems and navigation systems, which are used in torpedoes and ships. This research presents the study and design of a gyro moment stabilizer of a 10-meter yacht that stabilizes the yacht's rolling motion in 1-meter high sea waves. These waves force the yacht to roll. The force of waves creates torque that makes the yacht unsafe and uncomfortable. To deal with this problem, a machine or a device is needed to make the yacht stable by producing a certain amount of torque that is equal to the torque produced by the sea waves. The research calculations are based on the Newton’s Second Law of Motion and Euler’s equations in the rolling motion of the yacht. By using Euler’s equations for a given or predicted angular acceleration of the yacht, the required torque is calculated with the help of moment of inertia of the yacht and the angular acceleration. Later, for the required torque, the angular momentum, mass moment inertia, and precession angular velocity of the gyro disc are used to find out the effectiveness of gyro specifications and design.