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자료유형
학술저널
저자정보
Gao, W. (School of Electromechanical Engineering, Xidian University) Chen, J.J. (School of Electromechanical Engineering, Xidian University) Hu, T.B. (School of Electromechanical Engineering, Xidian University) Kessissoglou, N.J. (School of Mechanical and Manufacturing Engineering, The University of New South Wales) Randall, R.B. (School of Mechanical and Manufacturing Engineering, The University of New South Wales)
저널정보
테크노프레스 Structural engineering and mechanics : An international journal Structural engineering and mechanics : An international journal 제18권 제2호
발행연도
2004.1
수록면
137 - 150 (14page)

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The optimization of active bars' placement and feedback gains of closed loop control system for random intelligent truss structures under non-stationary random excitation is presented. Firstly, the optimal mathematical model with the reliability constraints on the mean square value of structural dynamic displacement and stress response are built based on the maximization of dissipation energy due to control action. In which not only the randomness of the physics parameters of structural materials, geometric dimensions and structural damping are considered simultaneously, but also the applied force are considered as non-stationary random excitation. Then, the numerical characteristics of the stationary random responses of random intelligent structure are developed. Finally, the rationality and validity of the presented model are demonstrated by an engineering example and some useful conclusions are obtained.

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