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| Computational System Indentification and Structural Modelling |
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| DOI：10.7511/jslx19922019 |
| KeyWord:parameter estimation, system identification, computational system identification, structural modelling,modified simplex method |
| Zhu Jingqing Dong Gang |
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| Abstract: |
| In this paper, a method for implementing the system identification by utilizing the computer simulation output is presented. It is a conceptional method and is called " Computational System Identification" here. The main point of the method is to use computer simulation models and methods instead of real systems (or test models) and test methods,and to realize the original purpose of the normal system identification studies. Herein, the computer simulation models refer to the complex mathematical models which describe the complex systems arid are computerized. As for the mathematical models to be identified, they are simple and can reflect by and large the behaviour features of the complex systems.Linking the method with the work of structural modelling, the identification results of an engineering example are reported. In addition, to carry out the optimizing task of the physical parameters of structures a modified simplex method to solve the minimization problems with restraints is introduced. |
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