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首页> 外文会议>ASME(American Society of Mechanical Engineers) Pressure Vessels and Piping Conference vol.8: Seismic Engineering; 20050717-21; Denver,CO(US) >IDENTIFICATION OF SYSTEM PARAMETERS OF SLAB VIBRATED WITH VIBRATOR BY USING WAVELET TRANSFORM
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IDENTIFICATION OF SYSTEM PARAMETERS OF SLAB VIBRATED WITH VIBRATOR BY USING WAVELET TRANSFORM

机译：基于小波变换的振动平板振动系统参数辨识。

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摘要

In health monitoring of slabs of a road bridge, it is suitable to carry out on the basis of their stiffness, which is evaluated by spring constants of a spring-mass system model of the slab. When the value of the spring constant is known, the rigidity of the slab and the deflection against the predetermined load can be estimated. These can be used as the basic data of maintenance management of them. The authors have been proposing the method to identify the spring constant of the slab by wavelet transform of an excitation force and acceleration responses. In this paper, the method to identify the spring constants of slabs is theoretically investigated under the noisy conditions. The method to find the specific values of constant α in an analyzing wavelet by which the most reliable value of the spring constant is given according to the graphic form showing the relation between identified mass and constant α .
机译：在公路桥梁板的健康监测中，适合于根据其刚度来执行，该刚度通过板的弹簧质量系统模型的弹簧常数来评估。当已知弹簧常数的值时，可以估计板的刚度和相对于预定载荷的挠度。这些可以用作它们的维护管理的基本数据。作者已经提出了一种通过激励力和加速度响应的小波变换来识别板坯弹簧常数的方法。本文从理论上研究了在嘈杂条件下确定板簧常数的方法。在分析小波中找到常数α的特定值的方法，根据表示已识别质量和常数α之间关系的图形形式，给出最可靠的弹簧常数值。

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