Optimal placement of PZT actuators for the control of beam dynamics

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Published under licence by IOP Publishing Ltd
, , Citation Renato Barboni et al 2000 Smart Mater. Struct. 9 110 DOI 10.1088/0964-1726/9/1/312

0964-1726/9/1/110

Abstract

The dynamics of a flexural beam actuated by induced strain surface bonded (piezoelectric) actuators is considered. The bending moment produced by the single actuator is evaluated by means of the pin-force model. A modal approach is then used to build special dynamic influence functions which explicitly account for the size and the position of the actuator. Simple optimal geometrical conditions are then obtained and illustrated for several cases with different boundary conditions.

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10.1088/0964-1726/9/1/312