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Structural Engineering and Mechanics Volume 15, Number 2, February 2003 , pages 239-248 DOI: https://doi.org/10.12989/sem.2003.15.2.239 |
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Dynamic response analysis of closed loop control system for intelligent truss structures based on probability |
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W. Gao, J.J. Chen, H.B. Ma, X.S. Ma and M.T. Cui
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| Abstract | ||
| The dynamic response analysis of closed loop control system based on probability for the intelligent truss structures with random parameters is presented. The expressions of numerical characteristics of structural dynamic response of closed loop control system are derived by means of the mode superposition method, in which the randomness of physical parameters of structural materials, geometric dimensions of active bars and passive bars, applied loads and control forces are considered simultaneously. The influences of the randomness of them on structural dynamic response are inspected by several engineering examples and some significant conclusions are obtained. | ||
| Key Words | ||
| piezoelectric intelligent truss structures; closed loop control; random forces; random parameters; dynamic response analysis. | ||
| Address | ||
| School of Electronic Mechanical Engineering, Xidian University, Xi | ||