| 薄壁箱型结构位移参数的动态Bayes随机估计 |
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| 引用本文： | 张剑,叶见曙,赵新铭.薄壁箱型结构位移参数的动态Bayes随机估计[J].华中科技大学学报(城市科学版),2006,23(1):66-70. |
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| 作者姓名： | 张剑 叶见曙 赵新铭 |
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| 作者单位： | 1. 东南大学,交通学院,江苏,南京,210096
2. 南京航空航天大学,土木工程研究所,江苏,南京,210016 |
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| 摘 要： | 应用薄壁箱型结构的有限条控制方程,建立了薄壁箱型结构位移参数的动态B ayes误差函数和相应的动态B ayes均值及方差表达式.利用迭代步长的一维自动寻优方案,结合共轭梯度法研究了薄壁箱型结构位移参数的动态B ayes估计方法.通过典型算例分析,获得薄壁箱型结构位移参数先验信息准确性判定方法及结构位移参数动态B ayes随机估计的相关结论.
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| 关 键 词： | 有限条理论 薄壁箱型结构位移参数 动态Bayes估计 自动寻优 |
| 文章编号： | 1672-7037（2006）01-0066-05 |
| 收稿时间： | 2005-06-20 |
| 修稿时间： | 2005年6月20日 |
Dynamic Bayesian Stochastic Estimation of Displacement Parameters of Thin Walled Box Structures |
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| ZHANG Jian,YE Jian-shu,ZHAO Xin-ming.Dynamic Bayesian Stochastic Estimation of Displacement Parameters of Thin Walled Box Structures[J].Journal of Huazhong University of Science and Technology,2006,23(1):66-70. |
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| Authors: | ZHANG Jian YE Jian-shu ZHAO Xin-ming |
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| Abstract: | The finite strip controlling equation of thin walled box is deduced.Dynamic Bayesian error function of displacement parameters of thin walled box is founded.The corresponding formulas of dynamic Bayesian expectation and variance are deduced.After the method of solving the automatic search of step length is broached,the optimization estimation computing formulas are also obtained by adapting CG method.The computing steps of dynamic Bayesian estimation are given.Through analysis of a classic example,the criterion of judging the precision of the known information,which is significant to the practical engineering,is gained as well as some other important conclusions. |
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| Keywords: | finite strip theory displacement parameters of thin walled box dynamic Bayesian estimation automatic optimization |
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