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In: Mechanical Engineering

write a conclusion and recommendations about Vibrational and Acoustical analysis of a vacuum brush? how to...

write a conclusion and recommendations about Vibrational and Acoustical analysis of a vacuum brush? how to improve it ?

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Expert Solution

The prototype of diagnostic system for fault detection on vacuum cleaner motor is presented in the paper. A motor is first run shortly under a proper velocity profile. From the analysis of six acquired signals with different algorithms for feature extraction almost all the faults can be uniquely isolated. In some cases even multiple faults can be recognised.
Module based on vibration spectral analysis is described in detail. The origins of different vibration components are revealed and the vibration measurement conditions are defined.
One of the problems to address in the future regards threshold selection and diagnostic system calibration. Thresholds of features namely have essential influence on diagnostic accuracy
and sensitivity of the system. The concept of anthropocentric design will be applied for that purpose. So the user should on the base of his own experience choose the proper threshold values according to his concrete needs.

  

samet mamat answered 2 years ago
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