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Journal of Sound and Vibration, 2000
Abstract In order to identify modal parameters with uncertain experimental data, a non-deterministic identification method based on fuzzy formalism is proposed. The aim is to provide a degree of confidence in the modal parameters identified.
G. PLESSIS +3 more
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Abstract In order to identify modal parameters with uncertain experimental data, a non-deterministic identification method based on fuzzy formalism is proposed. The aim is to provide a degree of confidence in the modal parameters identified.
G. PLESSIS +3 more
openaire +1 more source
Modal Parameter Identification of Controlled Structures
Journal of Guidance, Control, and Dynamics, 1997A simple procedure to extract the modal parameters of the closed-loop structural system is proposed. It is formulated by using the extended Kalman filter (EKF) technique. The unknown parameters are eigenfrequencies, damping ratios, mode shapes, and modal masses.
Kasai, Tokio, Komatsu, Keiji, Sano, Masa
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Modal Parameter Analysis of Gyroelastic Continua
Journal of Applied Mechanics, 1986This paper builds on the theory of gyroelastic dynamics presented in a recent paper by the authors. An elastic continuum with a continuous distribution of stored angular momentum (called gyricity) is considered. We introduce the modal parameters (coefficients) thereof, including integrals of the mode shapes, and show they must satisfy a number of ...
Hughes, P. C., D'Eleuterio, G. M. T.
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Cable Modal Parameter Identification. II: Modal Tests
Journal of Engineering Mechanics, 2009The cable dynamic stiffness describes the load – deformation behavior that reflects the cable intrinsic dynamic characteristics. It is defined as a ratio of response to excitation and represents a very similar frequency response property to the frequency response function (FRF). Therefore, by fitting both analytical cable dynamic stiffness and measured
Wei-Xin Ren, Wei-Hua Hu
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