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State estimation method using median of multiple candidates for observation signals including outliers
http://hdl.handle.net/2298/00045848
http://hdl.handle.net/2298/000458482b60b622-3a9b-45af-9112-31503901edf6
名前 / ファイル | ライセンス | アクション |
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10-1080_18824889-2021-1985702 (371.7 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-06-06 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | State estimation method using median of multiple candidates for observation signals including outliers | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | 外れ値, 状態推定器, オブザーバ, メディアン, 信号処理, データ処理 Outliers, State observer, Median, State estimation, Kalman filter, Optimization, LMIs |
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資源タイプ | ||||||
資源タイプ | journal article | |||||
著者 |
岡島, 寛
× 岡島, 寛× 金田, 泰昌× 松永, 信智 |
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別言語の著者 |
Okajima, Hiroshi
× Okajima, Hiroshi× Kaneda, Yasuaki× 松永, 信智 |
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内容記述 | ||||||
内容記述 | The state estimation problem for systems in which observation outputs include outliers is addressed herein. When the observation output has outliers, the accuracy of the state estimation is dramatically worse. To overcome this problem, a novel observer structure using multiple candidates of the estimated state is proposed. First, multiple candidates of the estimated state are created; each candidate uses the sensing output value of a different detection timing. If outliers occur infrequently, eliminating candidates affected by outliers can prevent deterioration in estimation accuracy. Our proposed observer select one from the obtained candidates of the estimated state using a median or a weighted median operation. Through the median operation, the estimated state that does not use the outlier value is selected from these candidates. In addition, a method is provided to design the observer gains of these estimated state candidates based on a reachable set of the estimated state error, using Lyapunov-based inequalities. The effectiveness of the proposed observer is illustrated using numerical examples. | |||||
書誌情報 |
SICE Journal of Control, Measurement, and System Integration 巻 14, 号 1, p. 257-267, 発行年 2021-10-25 |
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ISSN | ||||||
収録物識別子 | 1882-4889 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
関連識別子 | 10.1080/18824889.2021.1985702 | |||||
権利 | ||||||
権利情報 | This is an Accepted Manuscript of an article published by Taylor & Francis in SICE Journal of Control, Measurement, and System Integration on 25/10/2021, available online: http://www.tandfonline.com/10.1080/18824889.2021.1985702. | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
その他の言語のタイトル | ||||||
その他のタイトル | 外れ値を含む観測信号の複数の候補推定値のメディアンを用いた状態推定法 | |||||
出版者 | ||||||
出版者 | Taylor & Francis |