%0 Journal Article %T The use of smart structures in the realization of effective semi-active Control systems for vibration reduction %A Nitzsche %A Fred %J Journal of the Brazilian Society of Mechanical Sciences and Engineering %D 2012 %I Scientific Electronic Library Online %R 10.1590/S1678-58782012000500005 %X the realization of semi-active actuators by smart structures is discussed. semi-active actuators have the advantage of consuming much less power than direct-active actuators and are appropriate for the utilization in vibration problems encountered in aeronautical applications, where the loads are in general too high for direct-active actuators to perform. the development of a compact actuator device of this class, from the design phase to the validation tests, is presented. %K smart structures %K piezoelectric elements %K semi-active actuators %K vibration control of aeronautical structures. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S1678-58782012000500005&lng=en&nrm=iso&tlng=en