自己回帰モデルを用いた動揺安定台に関する研究-II

概要

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In the authors' previous study, it was confirmed that ship's rolling and pitching are stabilized by controlling Stewart type parallel link system using a direct driving volume control (DDVC) oil pressure pump units. This paper proposes to stabilize vibration of vertical displacement which is another important ship's motion. In order to estimate the vertical displacement, there is the way to integrate twice the vertical accelation signal observed on board. But the acceleration information is contaminated with strong noise at high frequency domain, as well known. Thus, it is not practical to integrate the acceleration signal straightforwardly because various errors are accumulated. In this study, the authors consider to approach to this problem by applying some statistical filtering techniques. And the effectiveness of this method is confirmed by the actual ship's experiments.
社団法人日本航海学会の論文
2002-09-25