The concept of a comparative assessment of the reliability of industrial gearboxes on the basis of diagnostic tests—a case study

Sokolski, M.; Sokolski, P.

doi:10.1201/9781315374987-373

Cited by 1 publication

(3 citation statements)

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“…a studied machine. The overall concept of our method as applied to machinery in industrial conditions was described, among others, in our previous papers [29,30]. Pros and cons of the methods used in our research are presented in Table 4.…”

Section: Discussionmentioning

confidence: 99%

“…The boundaries of these levels are related to the total RMS vibration velocity in the frequency range from at least 10 Hz to 1000 Hz. It should be noted that some researchers claim [28,29] that the requirements of ISO-10816-3 are too restrictive and instead refer to new drive units installed on special test stands, where the influence of environmental vibrations on the diagnostic signals can be kept at minimum.…”

Section: The Concept Of Frequency Domain Analysismentioning

confidence: 99%

“…According to the probabilistic approach to condition assessment, the maximum likelihood method was used to estimate the statistical distribution of vibration velocity vRMS in measuring points P1 to P5 of the tested drive units [29,30]. The best approximation with experimental data was obtained using the Gumbel Extreme Value (GEV) Models: Based on the analysis of the spectrograms, we identified the characteristic frequencies that make up the spectra.…”

Section: Analysis Using the Probabilistic Approachmentioning

confidence: 99%

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A Method of Comparative Evaluation of the Drive Units of Two Bucket Elevators—A Case Study

Sokolski

Sokolska

2021

Energies

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Bucket elevators are applied in many industries for bulk material handling. One of the main requirements for these devices is their high operational reliability. This applies in particular to power units that must operate continuously without failure. This article presents a comparative assessment of the drive units of two bucket elevators. The vibration intensity of their bearing units was used as the basis for the comparison. The evaluation was carried out using three independent methods based on the vibration velocity analysis: in the time domain, in the frequency domain and using the probabilistic approach.

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Section: Discussionmentioning

confidence: 99%

Section: The Concept Of Frequency Domain Analysismentioning

confidence: 99%

Section: Analysis Using the Probabilistic Approachmentioning

confidence: 99%

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