IIRフィルタを用いた船舶操縦性指数のオンライン推定について
書誌事項
- タイトル別名
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- On-line Identification of Ship Maneuverability Indices by Using IIR Filters
- IIR フィルタ オ モチイタ センパク ソウジュウセイ シスウ ノ オンライン スイテイ ニ ツイテ
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説明
The direct parameter estimation algorithm is applied to the simple linear maneuvering model (T-K model). The algorithm is composed of the IIR (Infinite Impulse Response) digital filters and RLS (Recursive Least Square) method. The IIR digital filters are introduced to avoid taking direct derivatives and to reduce the effects of measurement noise. Furthermore, the digital filters are free from the initial condition problem and the accumulation problem of integration error.<BR>In order to discuss the quantitative accuracy, the authors carried out onboard tests. And, the direct parameter estimation algorithm is compared with an indirect algorithm with RLS method. There is satisfactory agreement of the ship maneuverability indices T-K estimated by the direct identification method and the ordinary graphical analysis. This concludes that the direct parameter estimation algorithm With IIR filters is a powerful tool for on-line identification of continuous systems.
収録刊行物
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- 日本造船学会論文集
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日本造船学会論文集 1998 (184), 167-173, 1998
社団法人 日本船舶海洋工学会
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詳細情報 詳細情報について
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- CRID
- 1390282679072969984
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- NII論文ID
- 110003862969
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- NII書誌ID
- AN00194094
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- ISSN
- 18842070
- 05148499
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- NDL書誌ID
- 4660987
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- データソース種別
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- JaLC
- NDL
- Crossref
- NDL-Digital
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可