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Failure Analysis of Rotating Equipment Using Vibration Studies and Signal Processing Techniques.

Record Type:	Language materials, manuscript : Monograph/item
Title/Author:	Failure Analysis of Rotating Equipment Using Vibration Studies and Signal Processing Techniques./
Author:	Nejadpak, Ashkan.
Description:	1 online resource (86 pages)
Notes:	Source: Masters Abstracts International, Volume: 57-01.
Contained By:	Masters Abstracts International57-01(E).
Subject:	Mechanical engineering. -
Online resource:	click for full text (PQDT)
ISBN:	9780355432442

Failure Analysis of Rotating Equipment Using Vibration Studies and Signal Processing Techniques.
Nejadpak, Ashkan.

Failure Analysis of Rotating Equipment Using Vibration Studies and Signal Processing Techniques. - 1 online resource (86 pages)

Source: Masters Abstracts International, Volume: 57-01.

Thesis (M.S.)--The University of North Dakota, 2017.

Includes bibliographical references

This thesis focuses on failure analysis of rotating machines based on vibration analysis and signal processing techniques. The main objectives are: identifying machine's condition, determining the faults specific response, creating methods to correct the faults, and investigating available statistical analysis methods for automatic fault detection and classification. In vibration analysis, the accelerometer data is analyzed in time and frequency domain which will determine the machine's condition by identifying the characteristic frequencies of the faults. These fault frequencies are specific for each type of machine's faults. Therefore, they are referred to as faults' signatures. The most common faults of the rotating machines are unbalanced load torque, misaligned shaft, looseness, and bearing faults. The second objective is to find correction methods for rectifying the faulty situations. Therefore, correction methods for the unbalanced condition are comprehensively studied and a novel method for balancing an unbalanced rotor is developed which is based on image processing methods and results in lowering machine's vibrations. Another objective of this research is to collect huge amount of vibration data and implement statistical data analysis methods to categorize different machine's conditions. Therefore, principal components analysis, K-nearest neighbor, and singular value decomposition are implemented to identify different faults of the rotating machines automatically. The statistical methods have demonstrated high precision in classifying different faulty situations. Fault identification at early stages will enhance machine's health and reduces the maintenance costs significantly. The statistical methods are easy to implement, and have disaffected the need for an expert maintenance engineer and will identify the machine's fault automatically.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2018

Mode of access: World Wide Web

ISBN: 9780355432442Subjects--Topical Terms:

557493
Mechanical engineering.
Index Terms--Genre/Form:

554714
Electronic books.

Failure Analysis of Rotating Equipment Using Vibration Studies and Signal Processing Techniques.
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500 $a Source: Masters Abstracts International, Volume: 57-01.
500 $a Adviser: Cai Xia Yang.
502 $a Thesis (M.S.)--The University of North Dakota, 2017.
504 $a Includes bibliographical references
520 $a This thesis focuses on failure analysis of rotating machines based on vibration analysis and signal processing techniques. The main objectives are: identifying machine's condition, determining the faults specific response, creating methods to correct the faults, and investigating available statistical analysis methods for automatic fault detection and classification. In vibration analysis, the accelerometer data is analyzed in time and frequency domain which will determine the machine's condition by identifying the characteristic frequencies of the faults. These fault frequencies are specific for each type of machine's faults. Therefore, they are referred to as faults' signatures. The most common faults of the rotating machines are unbalanced load torque, misaligned shaft, looseness, and bearing faults. The second objective is to find correction methods for rectifying the faulty situations. Therefore, correction methods for the unbalanced condition are comprehensively studied and a novel method for balancing an unbalanced rotor is developed which is based on image processing methods and results in lowering machine's vibrations. Another objective of this research is to collect huge amount of vibration data and implement statistical data analysis methods to categorize different machine's conditions. Therefore, principal components analysis, K-nearest neighbor, and singular value decomposition are implemented to identify different faults of the rotating machines automatically. The statistical methods have demonstrated high precision in classifying different faulty situations. Fault identification at early stages will enhance machine's health and reduces the maintenance costs significantly. The statistical methods are easy to implement, and have disaffected the need for an expert maintenance engineer and will identify the machine's fault automatically.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2018
538 $a Mode of access: World Wide Web
650 4 $a Mechanical engineering. $3 557493
650 4 $a Engineering. $3 561152
655 7 $a Electronic books. $2 local $3 554714
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690 $a 0537
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710 2 $a The University of North Dakota. $b Mechanical Engineering. $3 1190958
773 0 $t Masters Abstracts International $g 57-01(E).
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