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A subspace-based identification method for vibrating structures with clearance-type nonlinearities
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DOI：10.1016/j.apm.2025.116545.png)
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Abstract
En 中文
• A subspace-based method is proposed for identifying clearance nonlinearities. • The accuracy of different methods under noisy conditions is compared. • The cases of symmetrical and asymmetrical clearance parameters are discussed. • The proposed identification method is effective even in noisy environments.
Keywords:
Clearance nonlinearity
nonlinear identification
noisy environment
nonlinear subspace identification method
error criterion function
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