Słowa kluczowe: charge output accelerometer, parametric identification, maximum clique, ant algorithm, desirability function, genetic algorithm, individual, population, mutation, target function, electric furnace, artifacts, denoising, wavelet transformation, cage induction motor fault detection, TMCSA, time-frequency methods, Notch filter, transient phase current, dynamic and static eccentricity, voltage asymmetry, cage damage, time-frequency analysis, start-up current, self-excited cage induction generator, bi-directional switch, capacitor battery, active filter, active current, load equivalent conductance, indirect current control, energy buffering, harmonics and interharmonics, Area Based Control, Matrix Converter Control, Multiphase Matrix Converter, close loop power system, short circuits in transmission line, models of HV transmission line, power system dynamics, analysis in time domain, discrete operator of differentiating, axial-flux generators, wind turbine generators, efficiency, finite-element analysis, pulse width modulation, switching losses, voltage source inverter, synchronous generator, inductance distributions, damping circuits, electric arc furnace, EAF, pulse current, six-electrode arc furnace, bearings damage, CPB frequency analysis method, envelope detection, PN ISO standards, discriminants of vibroacoustic processes