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Parameter and State Estimation of Shear Buildings Using Spline Interpolation and Linear Integral Filters

机译：样条插值和线性积分滤波器的剪力房屋参数和状态估计

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摘要

A parameter identification method and a high gain observer are proposed in order to identify the model and to recover the state of a seismically excited shear building using acceleration responses of the ground and instrumented floors levels, as well as the responses at noninstrumented floors, which are reconstructed by means of cubic spline shape functions. The identification method can be implemented online or offline and uses Linear Integral Filters, whose bandwidth must enclose the spectrum of a seismically excited building. On the other hand, the proposed state observer estimates the displacements and velocities of all the structure floors using the model estimated by the identification method. The observer allows obtaining a fast response and reducing the state estimation error, while depending on a single gain. The performance of the parameter and state estimators is verified through experiments carried out on a five-story small scale building.
机译：提出了一种参数识别方法和一个高增益观测器，以识别模型并使用地面和仪表层的加速度响应以及非仪表层的响应来恢复地震激发的剪切建筑物的状态，这些响应是通过三次样条曲线形状函数重建。识别方法可以在线或离线实现，并使用线性积分滤波器，其带宽必须包围地震建筑物的频谱。另一方面，建议的状态观测器使用通过识别方法估算的模型来估算所有结构楼板的位移和速度。观察者可以根据单个增益获得快速响应并减少状态估计误差。参数和状态估计器的性能通过在五层小规模建筑物上进行的实验来验证。

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