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Expertise Areas in 2019
• applications based on microfabrication technologies, precision machining and rapid prototyping;
• making parts using traditional numerical control machines, as well as unconventional machining
machines: CNC machines in 3 and 5 axes, laser processing systems, wire or solid electrode EDM
processing machines, direct writing lithography laser , SU8 resist removal machine, 3D printer etc.;
• making micromechanical parts through LIGA technology;
• execution of holes with diameters up to 30µm, production of gears with diameters smaller than 1mm,
processing of parts in 5 axes type turbines and microturbines with straight or twisted blades up to
maximum diameters of 350mm.

18. Laboratory of Photogrammetry and Vibroacoustics (within the Department
of Electromechanical Systems and Technologies)
Expertise Areas in 2018

3D static and dynamic scanning:
• scanning of surfaces in 3D coordinate with high precision, quality control, image analysis, deviation
calculation, wear monitoring;
• 3D optical analysis, dynamics of kinetic, vibrations and mechanical stresses (deformations);
Micro and nanoroughness measurements of surfaces:
• surfaces scanning with a resolution of maximum of 0.2nm using interference fringe technique,
measurement of parameters that define the surface profile, 3D profile, thickness, roughness;
• measurement of displacement with nanometer resolution, deformation in electric field of different
materials (piezoelectric, magnetostrictive, electrostrictive pieces etc.);
Vibroacoustics measurement:
• measurement of mechanical vibrations (accelerations, speeds, displacements), Fourier analysis of
signal spectrum;
• noise measurement (dB).

Expertise Areas in 2019
Static and dynamic 3D scanning:
• optical analysis of 3D images, determination of vibrations (accelerations / speeds / displacements)
and mechanical stresses (deformations), kinematics dynamics;
• scanning surfaces with high precision in 3D coordinates, highlighting and monitoring wear; image
analysis, deviation calculation, quality control;
Vibroacoustic measurements:
• mechanical vibration measurements (accelerations, speeds, displacements);
• FFT analysis in time / frequency domain;
• dynamic balancing in 1‑2 planes;
• monitoring the mechanical noise level (dB);
Static and dynamic measurements by optical interferometry methods:
• scanning surfaces with a resolution of 0.2nm using the interference fringes technique, measuring the
parameters that define the surface profile, 3D relief, layer thicknesses, level differences;
• measurement of displacements with nanometric resolution, electric field deformations of different
materials (piezoelectric, magnetostrictive, electrostrictive pills etc.);
• micro and nanorogosity surface measurements.
19. Laboratory of Sensors / Actuators and Energy Harvesting (within the De‑
partment of Non‑Conventional Electrical Engineering)

Expertise Areas in 2018 and 2019

The Sensors / Actuators and Energy Harvesting Laboratory has as areas of expertise:
• piezoceramic, electrostrictive, magnetostrictive, electromagnetic, electrodynamic, electrothermal
microactuators with applications in aeronautics and exploitation of depleted oil deposits;
• electromagnetic micromotors and microgenerators, in direct and reverse construction, of very high
speed (10,000 rpm ‑ 50,000 rpm);
• linear magnetostrictive motors;
• electronic drive systems (drivers) for controlling electromagnetic, piezoelectric and magnetostrictive
actuators;

2019 ANNUAL REPORT | PAGE 81