Patent ID: 11964742
Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHA
Field: Transport (Mechanical engineering)
Classification: CPC B  G | IPC B  G

Claim 0:
1. A hull behavior control system for controlling behavior of a hull of a marine vessel including a propeller, the hull behavior control system comprising:
a memory; and
at least one controller coupled to the memory and configured or programmed to:
control a propulsion force of the marine vessel using the propeller;
obtain a water surface shape around the marine vessel;
estimate movement of a wave based on the water surface shape; and
reduce the propulsion force by controlling the propeller when a determination is made that an impact force equal to or greater than a threshold value will act on the hull after the hull travels over the wave whose movement has been estimated; wherein

the at least one controller is configured or programmed to not reduce the propulsion force when it is determined that a reduction of the propulsion force results in the marine vessel going into a wave next to the wave whose movement has been estimated, even when the determination is made that the impact force equal to or greater than the threshold value will act on the hull after the hull travels over the wave whose movement has been estimated.