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Fault detection using a vibration signal is considered to be one of the most important methods applied to rotating parts. Most of the rotating machine faults can be detected by this technique before dangerous situations occur. Although the vibration signal is easy to be measured and recorded, its analysis is by no means simple. Moreover, when applying this technique to a real object in the field,...
The performance of Filtered-X Least Mean Square (FXLMS) based active noise control (ANC) may degrade for multi-frequency noise sources. This paper proposes an alternative feedforward ANC system to address multi-frequency noises. We separate the multi-frequency noises into several band frequency noises by using finite impulse response (FIR) filters and then develop a new multi-channel ANC design method...
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