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- W2354270081 abstract "A parameter identification method based on local wave analysis is proposed to identify nonlinear structures.Firstly,the equivalent linear system is obtained through the local wave decomposition on a response signal of a nonlinear system.Then,Hilbert transform is applied to modal response,and the instantaneous frequency and the instantaneous damping are identified.For the parameter identification of nonlinear rotor system,the instantaneous frequency and the instantaneous damping can be obtained by using the proposed method on the measuring vibration response in non-stationary running condition.The results of simulation and experiments for cubic stiffness nonlinear system show that the presented method has high precision of parameter identification." @default.
- W2354270081 created "2016-06-24" @default.
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- W2354270081 date "2011-01-01" @default.
- W2354270081 modified "2023-09-26" @default.
- W2354270081 title "Study of modal parameter identification of nonlinear system based on local wave method" @default.
- W2354270081 hasPublicationYear "2011" @default.
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