Genetic algorithm based LQR vibration wireless control of laminated plate using photostrictive actuators
Genetic algorithm based LQR vibration wireless control of laminated plate using photostrictive actuators
复制标题
基于遗传算法的LQR光致致动器叠层板振动无线控制
DOI:
10.1007/s11803-012-0100-x
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发表时间:
2012-03
影响因子:
2.8
通讯作者:
Wang Hongtao
中科院分区:
文献类型:
--
作者:
Zheng Shijie;Chen Dejin;Wang Hongtao
A photostrictive type of opto-electromechanical actuator activated by high-energy lights can introduce actuation and control effects without hard-wired connections. This paper addresses the controllability aspect in wireless vibration control of plate structures via photostrictive actuators. A modal force index, which has taken into account the mode number, the spatial distribution, and the dimension of the actuator, is chosen as an objective function to determine the optimal locations of photostrictive actuators. A linear methodology is proposed in this paper and the vibration equation is written in the standard state-space form. A binary-coded GA based combined optimal placement and LQR (linear quadratic regulator) control scheme has been incorporated, which maximizes the modal force index, the closed loop damping and minimizes input light intensity to the actuators. In the present method only three weighting factors have been used to search optimalQandRmatrices using GA, which reduces chromosome length and hence minimizes computational time. Numerical results demonstrate that the use of strategically positioned actuator patches can effectively control the fundamental modes that dominate the structural vibration.
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DOI:
10.1115/1.2893923
发表时间:
1998-10
期刊:
Journal of Vibration and Acoustics
影响因子:
--
作者:
B. Liu;H. Tzou
通讯作者:
B. Liu;H. Tzou
影响因子:
4.1
作者:
H. Tzou;C. Chou
通讯作者:
H. Tzou;C. Chou
影响因子:
4.7
作者:
K. Sze;L. Yao
通讯作者:
K. Sze;L. Yao
影响因子:
4.1
作者:
H. Shih;H. Tzou;Wilbur Walters
通讯作者:
H. Shih;H. Tzou;Wilbur Walters
影响因子:
4.1
作者:
Shijie Zheng;Xinwei Wang;Wanji Chen
通讯作者:
Shijie Zheng;Xinwei Wang;Wanji Chen