A TIME AND FREQUENCY DOMAIN METHOD FOR IDENTIFICATION OF PHYSICAL PARAMETERS
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Abstract:
In this paper, a-method using the complex modal theory to identify physical parameters of system with viscous damping is discussed. A procedure is present to calculate the mass, clamping, and stiffness matrices from the measured data in time and frequency domains. The double least squares approach is used to identify modal parameters. In identification of physical parameters, the data of different measured point is used in calculation for more accurate results.
