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《Highfrequency Load Identification of Complex Structural Coupling System》
XUE Yong-gang;XIE Shi-lin;ZHANG Xi-nong
2010, 30 (2):
96-98.
DOI: 10.3969/j.issn.1006-1355.2010.02.096
The paper investigates the load identification of a threeplate coupling system based on the statistical energy analysis theory. Firstly, the stable power injection method is employed to identify the inner loss factors and the coupling loss factors of substructures, in which the indirect coupling characteristics are considered. Based on the established power flow balance equation of the system, the identification of concentrated load is conducted. The results show that, in the highfrequency range, the identified input power agrees well with the measured input power. The work presented in the paper provides a theoretical reference for load identification of structures in the high frequency domain.
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