Vibration Control of Smart Cantilever Beam using Strain Rate Feedback

被引：15
|
作者：
Weldegiorgis, Riessom [1 ]
Krishna, Prasad [1 ]
Gangadharan, K. V. [1 ]
机构：
[1] Natl Inst Technol Karnataka, Dept Mech Engn, Surathkal 575025, India
来源：
INTERNATIONAL CONFERENCE ON ADVANCES IN MANUFACTURING AND MATERIALS ENGINEERING (ICAMME 2014) | 2014年 / 5卷
关键词：
Smart beam; system identification; active vibration control; strain rate feedback; SYSTEM-IDENTIFICATION TECHNIQUE; OUTPUT-FEEDBACK; ACTUATORS;
D O I：
10.1016/j.mspro.2014.07.248
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper simulation and experimental results of Strain rate feedback for active vibration control of a cantilever beam are presented. The piezoelectric patches are fixed on the surface of the host beam based on the Harmonic and Modal analysis done in a Finite Element tool (ANSYS). The dynamic model of the smart beam for the first two modes is obtained using a System Identification technique. The feedback control algorithm is analyzed and is implemented in real-time using National Instruments cRIO 9022 controller. It is observed that with this feedback law 49.29% and 52.84% reduction are obtained for first and second modes of vibration respectively. The result verifies the effectiveness of the controller to suppress the vibration of the smart beam. (C) 2014 Elsevier Ltd.
引用
收藏
页码：113 / 122
页数：10
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