20802 鉄筋コンクリートの腐食同定逆問題における計測条件の最適化(逆問題の実用化,OS10 逆問題の実用化)

概要

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We optimize measurement condition on the inverse problem of identifying a corrosion in reinforced concrete. In the inverse problem, estimates are the electric conductivity of the concrete and the impedance on the rebar surface in the concrete. The optimization is achieved by minimizing the average of eigen values of a posteriori estimate error covariance matrix. We performed a numerical identification to test the effectiveness of the optimized cconditionondiotion. The identification shows that the real part of an impedance is estimated with high accuracy and the others are not estimated. We are planning to overcome the difficulty by applying a priori information and other kinds of measurement.
社団法人日本機械学会の論文
2006-03-09