部分空間法を用いたインパルス加振によるモード特性同定に関する研究(機械力学,計測,自動制御)

概要

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In order to control vibrations of machinery, it is very important to grasp the dynamic characteristics of the systems. Modal analysis is widely used as a basic technology for machine design. The impulse excitation method is often used from handiness in the vibration test. However, the hammering test to identify modal parameters has some problems. For example, accurate excitation is difficult, and the result is influenced by the individual variation, etc. In this paper, we propose a procedure to overcome these problems, and to identify accurate modal parameters. The identification method based on the subspace method is proposed, and the modal parameters are identified and compared with those of conventional method.
社団法人日本機械学会の論文
2007-02-25