B4 ビデオ画像による柔軟宇宙構造物のモーダルパラメータの推定

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  • B4 Estimation of Modal Parameters of Flexible Space Structures using video Image

説明

This paper discusses to estimate a modal-parameter method of flexible space structures based on image information. At first, transform metod of the movmg image to 3-D information is described. Then algorithm of ERA(Eigensystem Realization Algorithm) is used for modal frequency and damping coefficent identification. Moreover madal shape vector are estimated by an iterative method from the ERA results. After detailed analytical studies, ground experiment results are shown to demonstrate its capacility.

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