In view of effectiveness of active vibration control for piezoelectric intelligent structures, a new index is developed to measure the structural controllability, which is used as the .

• 以压电智能结构振动控制效果为目标,将两个度量指标加权结合,构造了一种新的度量压电智能结构可控程度的指标,并以此为选择压电执行元件最优位置的依据。