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It is difficult to detect the rotor broken-bar fault feature frequency components as they always hide behind the strong supply frequency component and noise in the spectrum of the stator current when the induction motor is in steady running state. A new combined detection method of multiple signal classification (MUSIC) and orthogonal projection is presented in this paper. At first, the strong supply...
The paper considers spatial filtering in multisensor magnetic field measurement system. The question under consideration is how to optimally filter out signals from distant interfering sources and uncorrelated internal noise. Two possible approaches based on orthogonal projection are considered. The first one exploits Taylor field expansion, while the second utilizes fuzzy signal basis and its interpretation...
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