A Noise-Immune Kalman Filter and Modelling forPedestrian Traffic Loads
A Noise-Immune Kalman Filter and Modelling forPedestrian Traffic Loads
复制标题
抗噪声卡尔曼滤波器和行人交通负荷建模
DOI:
10.1155/2020/8848910
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发表时间:
2020-11
影响因子:
1.6
通讯作者:
Ye Zhu
中科院分区:
文献类型:
--
作者:
Yanan Gao;Ningbo Peng;Jitao Tang;Yun Dong;Weidong Zhang;Peng Zhang;Jiarui Chen;Ye Zhu
The definition of design load with walking crowd excitation on these slender structures is a significant problem to human-induced vibration. To capture the characteristics of walking crowd loads, this article researches both the ground reaction force and ground reaction moment for 36 healthy adults. Firstly, a oscillate system modeling walking leg is used to build a governing equation, which further transformed into the discrete state space. Then the Kalman method is applied to filter the noises for the measured ground reaction force, which can well remove the noises hiding in the measured signals. In addition, the Fourier series are used to model the ground reaction force and ground reaction moment, and the first six corresponding coefficients are obtained and analyzed. This work comprehensively explores the excitation force and moment from walking pedestrian feet. The result of this study provides the reference of load design for these slender structures such as footbridges, grandstands, or stations under crowd excitation.
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