Active Vibration Control of a Beam with Smart Structure using Piezoelectric Actuator of Stack Type.
Active Vibration Control of a Beam with Smart Structure using Piezoelectric Actuator of Stack Type.
复制标题
使用堆叠式压电致动器对具有智能结构的梁进行主动振动控制。
DOI：
10.1299/kikaic.61.1337
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发表时间：
1995
期刊：
影响因子：
--
通讯作者：
K. Tohyama
中科院分区：
文献类型：
--
作者：
T. Fujita;K. Miyazaki;N. Murai;S. Aizawa;Masashi Yamamoto;K. Tohyama
智能结构是一种利用压电陶瓷、压电聚合物、光纤等材料嵌入(或粘结)致动器/传感器的智能结构，是未来大型空间结构结构控制的主要方向。然而，如果智能结构能够应用于地球上的大型结构，如建筑物，它们将为高层建筑和其他结构的振动主动控制提供一种新的、有利的方法。为了研究这种适用性，采用叠层式压电陶瓷作动器的智能结构，对总重160 kg、高4 m、100 mm×100 mm H型钢悬臂梁进行了振动控制试验。采用白噪声输入和地震地面加速度输入对该梁进行了振动台试验。试验表明，只需在底座上安装4个25 mm×25 mm×36 mm的压电陶瓷驱动器，就可以很好地减小响应加速度。这意味着智能结构在建筑中应用的可行性。
Smart structures, which are equipped with embedded (or bonded) actuators/sensors using piezoelectric ceramics, piezoelectric polymers, optical fibers and so on, are proposed mainly for structural control of large space structures in the future. However, if the smart structures can be applied to large structures on the earth, such as buildings, they will provide a new and advantageous method for active vibration control of tall buildings and other structures. In order to investigate such applicability, a smart structure using a piezoceramic actuator of stack type was tested for vibration control of a cantilever steel beam of a 100 mm × 100 mm H-section, a 4 m height and a 160 kg total weight. Shaking table tests were carried out for the beam, using white noise inputs and earthquake ground acceleration ones. The tests showed that only 4 piezoceramic actuators of 25 mm × 25 mm × 36 mm attached to the beam at the base could satisfactorily reduce the response acceleration. This implies the feasibility of application of the smart structure to buildings.