کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
865587 | 909675 | 2009 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Three-Step Method for Stiffness Identification of Inter-Story Shearing Structures Under Ambient Excitation
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موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی (عمومی)
پیش نمایش صفحه اول مقاله

چکیده انگلیسی
This paper presents a three-step method for the stiffness identification of inter-story shearing structures under ambient excitation. The transition from structural random response to deterministic response is realized by the natural excitation technique (NExT). The parameter-decoupled free vibration equation of inter-story shearing structures is deduced, which can simplify the procedure of identification and reduce the amount of calculation. Through the effective combination of the NExT, the parameter-decoupled method, and the extended Kalman filter (EKF) algorithm, a good scheme is presented for stiffness identification of inter-story shearing structures under ambient excitation. Using inter-story shearing structures with six-degree-of-freedom and ten-degree-of-freedom as examples, the scheme is tested by numerical simulation and experiment. The result shows that the maximum of identification error is 7.82%, and it can reach the requirement of engineering application basically.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tsinghua Science & Technology - Volume 14, Supplement 2, December 2009, Pages 69-74
Journal: Tsinghua Science & Technology - Volume 14, Supplement 2, December 2009, Pages 69-74
نویسندگان
Wang (ç å), Yan (é«ç»´æ), Shao (éµè¿è¾¾),