| Texto completo | |
| Autor(es): |
de Abreu, Gustavo Luiz C. M.
[1]
;
da Conceicao, Sanderson M.
[1]
;
Lopes, Jr., Vicente
[1]
;
Brennan, Michael John
[1]
;
Santana Alves, Marco Tulio
[2]
Número total de Autores: 5
|
| Afiliação do(s) autor(es): | [1] Univ Estadual Paulista UNESP, Dept Mech Engn, BR-15385000 Ilha Solteira, SP - Brazil
[2] Univ Fed Uberlandia, Dept Mech Engn, BR-38400902 Uberlandia, MG - Brazil
Número total de Afiliações: 2
|
| Tipo de documento: | Artigo Científico |
| Fonte: | Journal of the Brazilian Society of Mechanical Sciences and Engineering; v. 34, n. SI, p. 386-392, JAN 2012. |
| Citações Web of Science: | 6 |
| Resumo | |
The aim of this paper is to illustrate the active control of vibration of a flexible structure using a model-based digital controller. The state-space model of the system is derived using a system identification technique known as the Observer/Kalman Filter Identification (OKID) method together with Eigensystem Realization Algorithm (ERA). Based on the measured response of the structure to a random input, an explicit state-space model of the equivalent linear system is determined. The model is used in a Linear Quadratic Regulator (LQR) to control the first two modes of vibration of a cantilever beam using a piezoelectric actuator/sensor pair. Experimental results demonstrate the efficacy of the proposed approach. (AU) | |
| Processo FAPESP: | 08/05129-3 - Modelagem numérica, controle inteligente e avaliação experimental de estruturas reticuladas adaptativas dotadas de atuadores piezelétricos axiais |
| Beneficiário: | Gustavo Luiz Chagas Manhães de Abreu |
| Modalidade de apoio: | Bolsas no Brasil - Pós-Doutorado |