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The gas flow rate increase obtained by an oscillating piezoelectric actuator on a micronozzle
(Elsevier B.V. Sa, 2014)
Nano-displacement measurements of a new piezoelectric flextensional actuator by using a high dynamic range interferometry homodyne method
(IEEE, 2014-05-12)
Piezoelectric flextensional actuator (PFA) devices consist in a technology in development, with increasing number of applications in precision mechanics such as nanotechnology equipments, electronic microscopy instruments, ...
Revisão sobre técnicas de controle em estruturas inteligentes
(2005-01-01)
One of the great challenges of structural dynamics is to ally structures lighther and stronger. The great difficulty is that light systems, in general, have a low inherent damping. Besides, they contain resonance frequencies ...
Revisão sobre técnicas de controle em estruturas inteligentes
(2005-01-01)
One of the great challenges of structural dynamics is to ally structures lighther and stronger. The great difficulty is that light systems, in general, have a low inherent damping. Besides, they contain resonance frequencies ...
Optimum design of flextensional piezoelectric actuators into two spatial dimensions
(Society for Industrial and Applied Mathematics, 2016-01)
Piezoelectric actuators are in common use for control of distributed parameter systems. We consider the topology optimization of a multiphysic model in piezoelectricity into two spatial dimensions. The topological derivative ...
Interferometric measurements of nanometric displacements in a Piezoelectric Flextensional Actuator by using the new J1...J5 method
(IEEE, 2012-12-01)
In this work, nanometric displacement amplitudes of a Piezoelectric Flextensional Actuator (PFA) designed using the topology optimization technique and operating in its linear range are measured by using a homodyne Michelson ...
Robust control to parametric uncertainties in smart structures using linear matrix inequalities
(2004-10-01)
The study of algorithms for active vibrations control in flexible structures became an area of enormous interest, mainly due to the countless demands of an optimal performance of mechanical systems as aircraft and aerospace ...