采用压电叠层作动器的弹性梁振动主动控制实验研究
收稿日期: 2012-11-10
修回日期: 2013-09-02
网络出版日期: 2013-09-17
基金资助
直升机旋翼动力学国防科技重点实验室基金（NBA10004）
Experimental Investigation on Active Vibration Control of Elastic Beam by Using Piezoelectric Stack Actuator
Received date: 2012-11-10
Revised date: 2013-09-02
Online published: 2013-09-17
Supported by
The Science and Technology Foundation of State Key Laboratory of Rotorcraft Aeromechanics (NBA10004)
宋来收 , 夏品奇 . 采用压电叠层作动器的弹性梁振动主动控制实验研究[J]. 航空学报, 2014 , 35(1) : 171 -178 . DOI: 10.7527/S1000-6893.2013.0379
The inertial actuator is often used in the active control system of structural response. Due to its shortcomings such as heavy weight, narrow band of working frequency and slow response speed, it hampers the performance of the control system. The piezoelectric actuator has the advantages of lighter weight, wider band of working frequency and faster response speed and can effectively improve the performance of the control system as an efficient actuator. In this paper, an experimental investigation on the active vibration control of a free-free elastic beam structure is conducted by using a piezoelectric stack actuator, taking the acceleration response at the observed point as the control objective and using the harmonic steady control strategy in the frequency domain. The experimental results demonstrate that the active vibration control system established in this paper can effectively control the vibration level of an elastic beam structure and has the adaptive control ability to fast track changes of external excitation.
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