Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/71454
Title: Identification of operational bridge structure responses using statistical learn theory
Authors: Li, WM 
Ding, LY
Zhu, HP
Xia, Y 
Issue Date: 2009
Publisher: 華中科技大學出版社
Source: 華中科技大學學報. 自然科學版 (Journal of Huazhong University of Science and Technology. Natural science edition), 2009, v. 37, no. 12, p. 116-119 How to cite?
Journal: 華中科技大學學報. 自然科學版 (Journal of Huazhong University of Science and Technology. Natural science edition) 
Abstract: 基于统计学习理论中的结构风险最小原理,在多重不确定性因素下,提出了对运营桥梁结构的动力响应进行辨识的方法.计算了路面随机谱激励下的运营结构的响应,并引入了统计学习理论,对其辨识过程中存在的结构风险进行了分析,提出了使其风险最小的方法.通过数值算例,对路面随机谱激励以及噪声二重不确定性因素下的结构响应,进行了重构,并与欠拟合与过拟合的结果进行了比较.计算表明,基于结构风险最小的方法,能有效地对二重不确定性因素下的土木结构响应进行辨识,并进一步讨论了算法的改进.
URI: http://hdl.handle.net/10397/71454
ISSN: 1671-4512
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