Ship Seakeeping Operability, Motion Control, and Autonomy - A Bayesian Perspective

Ship seakeeping

• Maximum speed in a seaway: 'involuntary' speed reduction due to added resistance in waves and 'voluntary' speed reduction to avoid excessive motions, loads etc. • Route optimization (routing) to minimize, e.g., transport time, fuel consumption, or total cost. • Structural design of the ship with respect to loads in seaways. • Habitation comfort and safety of people on board: motion sickness, ...

On the Seakeeping Operability of Naval Ships

The operability of a vessel in the sea environment, i.e. the capability to accomplish its mission is a major performance indicator of the vessel. It is well known that adverse sea conditions induce significant dynamic motions, velocities, accelerations and loads, which deteriorate the performance of both the crew and the various subsystems onboard, including the hull form itself. For example, t...

Ship Roll Motion Control

The technical feasibility of roll motion control devices has been amply demonstrated for over 100 years. Performance, however, can still fall short of expectations because of deficiencies in control system designs, which have proven to be far from trivial due to fundamental performance limitations. This tutorial paper presents an account of the development of various ship roll motion control sy...

Ship motion control pdf

Designing Back Propagation Neural Network for Ship Seakeeping Investigations

In recent years, there has been more attention to predict the behavior of vessel in the sea (sea keeping). The more the deeps of vessel increases in the high speed and light vessels, the more calculations are necessary. In this paper, a BP (back propagation) neural network is presented that keeps sea keeping indexes under the categories of input and output of the network. Evaluation is based on...