نتایج جستجو برای: time and frequency domain
تعداد نتایج: 17080444 فیلتر نتایج به سال:
Modeling of frequency-dependent components of power system is often based on a terminal description by an admittance matrix in the frequency domain. One challenge in the extraction of state-space models from such data is to prevent possible error magnification when the model is to be applied in time-domain simulations. The error magnification is a consequence of inaccurate representation of sma...
The rotating machinery is a common class of machinery in the industry. The root cause of faults in the rotating machinery is often faulty rolling element bearings. This paper presents a novel technique using artificial neural network learning for automated diagnosis of localized faults in rolling element bearings. The inputs of this technique are a number of features (harmmean and median), whic...
The method to obtain an accurate influence line (IL) from the direct measurement is important research topic for structural condition assessment, model correction and bridge weigh-in-motion (BWIM) system. two most common approaches used identification of IL are time-domain (TD) frequency-domain (FD) method. Despite having a similar mathematical framework, TD FD methods treated as different by r...
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