نتایج جستجو برای: static eccentricity
تعداد نتایج: 114388 فیلتر نتایج به سال:
The alternation of sounds in the left and right ears induces motion perception of a static visual stimulus (SIVM: Sound-Induced Visual Motion). In this case, binaural cues were of considerable benefit in perceiving locations and movements of the sounds. The present study investigated how a spectral cue - another important cue for sound localization and motion perception - contributed to the SIV...
The vibration and noise of permanent magnet synchronous motors (PMSM) are mainly caused by unbalanced magnetic pull (UMP). This paper aims to investigate nonlinear vibration in PMSMs. Firstly, the analytical model of the air-gap magnetic field with an eccentric rotor in PMSM is studied, and the analytical model is verified by the finite element method. Then the dynamic model of an offset rotor-...
Ensuring the reliability of electrical equipment in agriculture remains an urgent problem, since rugged operating conditions and aggressive environment hinder its rational use. The high accident incidence rate asynchronous motors most cases is invariably caused by failure inter-turn insulation interphase short circuit or circuits to housing. probability emergency situation increases with increa...
The concept of average degree-eccentricity matrix ADE(G) of a connected graph $G$ is introduced. Some coefficients of the characteristic polynomial of ADE(G) are obtained, as well as a bound for the eigenvalues of ADE(G). We also introduce the average degree-eccentricity graph energy and establish bounds for it.
Eccentricity is an inevitable fault in electric motors and hence its diagnosis important topic. Thus, the influence of static dynamic eccentricities on harmonics frequency spectra unbalanced magnetic pull analyzed. In this article, dimensional tolerances rotor stator are also considered. All parts have their designs real magnitudes vary to some extent from theoretical values after manufacturing...
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