Enhancing active vibration control performances in a smart structure by using fiber Bragg gratings sensors

2012 ◽  
Author(s):  
G. Cazzulani ◽  
S. Cinquemani ◽  
L. Comolli
Keyword(s):  
Vibration Control ◽  
Active Vibration Control ◽  
Fiber Bragg Gratings ◽  
Bragg Gratings ◽  
Smart Structure ◽  
Active Vibration

scholarly journals Multi-variable model reduction of smart structure in active vibration control

2018 ◽  
Vol 51 (25) ◽  
pp. 441-446
Author(s):  
Peng Wang ◽  
Gerard Scorletti ◽  
Anton Korniienko ◽  
Manuel Collet
Keyword(s):  
Vibration Control ◽  
Model Reduction ◽  
Active Vibration Control ◽  
Smart Structure ◽  
Variable Model ◽  
Active Vibration

Analysis of sensor-debonding failure in active vibration control of smart composite plate

2017 ◽  
Vol 28 (18) ◽  
pp. 2603-2616 ◽  
Author(s):  
Asif Khan ◽  
Hyun Sung Lee ◽  
Heung Soo Kim
Keyword(s):  
Vibration Control ◽  
Composite Plate ◽  
Controller Design ◽  
Active Vibration Control ◽  
Piezoelectric Sensor ◽  
Smart Structure ◽  
Control Input ◽  
Smart Composite ◽  
Active Vibration ◽  
Controlled Structure

In this article, the effect of a sensor-debonding failure on the active vibration control of a smart composite plate is investigated numerically. A mathematical model of the smart structure with a partially debonded piezoelectric sensor is developed using an improved layerwise theory, a higher-order electric-potential field that serves as the displacement field, and the potential variation through the piezoelectric patches. A state-space form that is based on the reduced-order model is employed for the controller design. A control strategy with a constant gain and velocity feedback is used to assess the vibration-control characteristics of the controller in the presence of the sensor-debonding failure. The obtained results show that sensor-debonding failure reduces the sensor-output, control-input signal, and active damping in magnitude that successively degrades the vibration attenuation capability of the active vibration controller. The settling time and relative tip displacement of the controlled structure increase with the increasing length of partial debonding between the piezoelectric sensor and host structure. Furthermore, a damage-sensitive feature along with multidimensional scaling showed excellent results for the detection and quantification of sensor-debonding failure in the active vibration control of smart structures.

Active vibration control of frame structures of shear and bending type with smart structure using piezoelectric actuator

1997 ◽  
Author(s):  
Takayoshi Kamada ◽  
Takafumi Fujita ◽  
Takayoshi Hatayama ◽  
Takeo Arikabe ◽  
Nobuyoshi Murai ◽  
...  
Keyword(s):  
Vibration Control ◽  
Piezoelectric Actuator ◽  
Active Vibration Control ◽  
Smart Structure ◽  
Frame Structures ◽  
Active Vibration

scholarly journals Active Vibration Control of Buildings with Smart Structure Using Large-Scale Piezoelectric Actuators.

2001 ◽  
Vol 67 (656) ◽  
pp. 985-991 ◽  
Author(s):  
Mamoru SHIMAZAKI ◽  
Takafumi FUJITA ◽  
Takayoshi HATAKEYAMA ◽  
Takeo ARIKABE ◽  
Nobuyoshi MURAI ◽  
...  
Keyword(s):  
Vibration Control ◽  
Large Scale ◽  
Active Vibration Control ◽  
Piezoelectric Actuators ◽  
Smart Structure ◽  
Active Vibration

Optimal Research of Actuator Placement for Piezoelectric Smart Structure

2009 ◽  
Vol 419-420 ◽  
pp. 173-176
Author(s):  
Wei Yuan Wang ◽  
Kai Xue ◽  
Dong Yan Shi
Keyword(s):  
Vibration Control ◽  
Control Method ◽  
Active Vibration Control ◽  
Element Model ◽  
Smart Structure ◽  
Optimal Placement ◽  
Optimal Method ◽  
Modal Damping ◽  
Active Vibration ◽  
Modal Space

The purpose of this paper is to investigate the optimal placement of piezoelectric actuator for active vibration control of smart structure. The structures can be described in the modal space based on the independent modal space control method and dynamic equations derived from finite element model. The modal damping ratios are derived from modal equations and an optimal target is given by maximizing the modal damping ratios. Accumulation method is adopted to the optimization calculation. Simulations are carried out for active vibration control of a conical shell with distributed piezoelectric actuators. Control effects proved the validity of the optimal method above by compared with the non-optimal results. The optimal method in this paper gives a useful guide for quantity optimization of actuators to piezoelectric structures.

scholarly journals Active Vibration Control of Cantilever Beam by Using Optimal LQR Controller

2018 ◽  
Vol 24 (11) ◽  
pp. 1
Author(s):  
Hadeer Abd UL-Qader Mohammed ◽  
Hatem Rahem Wasmi
Keyword(s):  
Vibration Control ◽  
Cantilever Beam ◽  
Experimental Work ◽  
Active Vibration Control ◽  
Actuation Voltage ◽  
Smart Structure ◽  
Control Gain ◽  
Lqr Controller ◽  
Smart Beam ◽  
Active Vibration

Many of mechanical systems are exposed to undesired vibrations, so designing an active vibration control (AVC) system is important in engineering decisions to reduce this vibration. Smart structure technology is used for vibration reduction. Therefore, the cantilever beam is embedded by a piezoelectric (PZT) as an actuator. The optimal LQR controller is designed that reduce the vibration of the smart beam by using a PZT element.   In this study the main part is to change the length of the aluminum cantilever beam, so keep the control gains, the excitation, the actuation voltage, and mechanical properties of the aluminum beam for each length of the smart cantilever beam and observe the behavior and effect of changing the length of the smart cantilever beam. A cantilever beam with piezoelectric is modeled in Mechanical APDL ANSYS version 15.0 and verified this by using experimental work. The AVC was tested on a smart beam under different control gains in experimental work and chose the best control gain depending on FEM results for each length of the smart beam. The response of the smart beam is noticed to be different for every length and the reduction percentage for settling time was different for every length.  

Design of Smart Metal-Ceramic Composite Actuators for Macro-Motion Applications

1993 ◽  
Author(s):  
Sridhar R. Thirupathi ◽  
Nagi G. Naganathan
Keyword(s):  
Vibration Control ◽  
Motion Control ◽  
Ceramic Composite ◽  
Active Vibration Control ◽  
Smart Structure ◽  
Element Analysis ◽  
Control Applications ◽  
Elastic Composite ◽  
Metal Ceramic ◽  
Active Vibration

Abstract Piezoceramic, electrostrictive, and magnetostrictive materials are being increasingly applied in active vibration control and are being investigated for other motion control and damage mitigation applications. Typically, motion ranges required in active vibration control are of the order of a few microns. On the other hand, many mechanical and electromechanical motion control applications require the point of application of the load to move through at least a few millimeters. In this research, a smart ceramic-elastic composite actuator is invented for such motion control applications. The work presented in this paper includes the concept, its illustration, development of a design geometry based on this concept, and its finite element analysis and results. It will be shown that by a proper synthesis of smart structure, a class of such actuators can be successfully designed and realized in practice.

scholarly journals Active Vibration Control of a Beam with Smart Structure using Piezoelectric Actuator of Stack Type.

1995 ◽  
Vol 61 (584) ◽  
pp. 1337-1342 ◽  
Author(s):  
Takafumi Fujita ◽  
Kunitoshi Miyazaki ◽  
Nobuyoshi Murai ◽  
Satoru Aizawa ◽  
Masashi Yamamoto ◽  
...  
Keyword(s):  
Vibration Control ◽  
Piezoelectric Actuator ◽  
Active Vibration Control ◽  
Smart Structure ◽  
Active Vibration
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