K-2331 スマート構造制御系の異常診断(J03-6 ヘルスモニタリング)(J03 知的材料・構造システム)

概要

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The dynamics model of flexible smart structures contains uncertainties due to model parameter errors and reduced-order modeling of the dynamics. Therefore, the design of model-based fault diagonosis should meet the requirements that the designed FDI (Failure Detection and Isolation) method has robustness with respect to such model uncertainties. This paper proposes a robust detection algorithm which is insensitive to the truncated vibration modes. The present method uses multiple outputs of redundant sensors and suppresses errors due to the reduced-order modeling by taking linear combinations of these outputs. The capability of the robust detection algorithm is demonstrated by a numerical simulation for a smart beam.
一般社団法人日本機械学会の論文
2001-08-22