Optimal Placement of Piezoelectric Actuator/Sensor Using Genetic Algorithm Based on the Distribution of Modal Strain Energy
QIAN Feng1,3, WANG Jian-Guo1, WANG Quan1, PANG Huan-Ping2
1.School of Civil Engineering, Hefei University of Technology, Hefei 230009, China; 2. School of transportation engineering, Hefei University of Technology, Hefei, 230009, China
Abstract：In this paper, the active vibration control equation is derived from the finite element dynamic equations of linear elastic piezoelectric structure. Finite element model of laminated piezoelectric structure for modal analysis and vibration control has been established by use of ANSYS/APDL parameter language. Based on the distribution of host structure modal strain energy, a new objective function is developed. Taking actuator/sensor numbers as optimization variables, the optimization problem of smart structure represented by discrete variable is formulated and solved using binary-coded genetic algorithm (GA). Taking a clamped composite laminated piezoelectric plate as numerical example, considering direct proportional feedback control law, the control performance of objective modal vibration is studied with optimal location collocated actuator/sensor. Numerical results show that the optimal solution by genetic algorithm has better vibration control effect based on the distribution of modal strain energy.
钱 锋;王建国;汪 权;逄焕平. 基于模态应变能分布的压电致动器/传感器位置优化遗传算法 [J]. , 2013, 32(11): 161-166.
QIAN Feng;WANG Jian-Guo;WANG Quan;PANG Huan-Ping. Optimal Placement of Piezoelectric Actuator/Sensor Using Genetic Algorithm Based on the Distribution of Modal Strain Energy. , 2013, 32(11): 161-166.
2013, Vol. 32 
