Abstract
The power consumption of piezoelectric actuators for active controlis an important parameter for the efficient performance of a smart structuralsystem. In this paper we address the issue of minimizing the maximum powerconsumption by the efficient layout of the actuators to achieve a specifiedmaximum displacement. The finite element method is used for the structuralresponse of piezoelectric composite plates under mechanical and electricalloading. A novel iterative design procedure based on the work done by theactuators on the host structure is presented. The voltage required to achievethe maximum displacement is calculated for changing actuator profiles and thepeak power consumed by the actuators is determined. Although the method isgeneral and can be applied to dynamic conditions, the scope of the presentpaper is restricted to static analysis only. Several numerical examples withsimple and complex boundary conditions are presented.
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