AN EXPERIMENTAL STUDY OF RUDDER EFFECTS ON ROLL REDUCTION

An experimental study of rudder effects on roll reduction on a remote-controlled self-propulsive ship model is described in this paper. The experiments were arranged according to the orthogonal experimental technique. The analyses of the experimental results show that the rudder motion controlled by the roll rate feedback network reduces roll motion effectively nearly throughout the whole period range where roll resonance or excessive rolling occurred. The experimental investigation verifies the feasibility of a controlled rudder as a roll reduction device.