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Methodology for fault detection and diagnostics in an ocean turbine using vibration analysis and modeling
- Date Issued:
- 2009
- Summary:
- This thesis describes a methodology for mechanical fault detection and diagnostics in an ocean turbine using vibration analysis and modeling. This methodology relies on the use of advanced methods for machine vibration analysis and health monitoring. Because of some issues encountered with traditional methods such as Fourier analysis for non stationary rotating machines, the use of more advanced methods such as Time-Frequency Analysis is required. The thesis also includes the development of two LabVIEW models. The first model combines the advanced methods for on-line condition monitoring. The second model performs the modal analysis to find the resonance frequencies of the subsystems of the turbine. The dynamic modeling of the turbine using Finite Element Analysis is used to estimate the baseline of vibration signals in sensors locations under normal operating conditions of the turbine. All this information is necessary to perform the vibration condition monitoring of the turbine.
Title: | Methodology for fault detection and diagnostics in an ocean turbine using vibration analysis and modeling. |
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Name(s): |
Mjit, Mustapha. College of Engineering and Computer Science Department of Ocean and Mechanical Engineering |
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Type of Resource: | text | |
Genre: | Electronic Thesis Or Dissertation | |
Date Issued: | 2009 | |
Publisher: | Florida Atlantic University | |
Physical Form: | electronic | |
Extent: | xiv, 100 p. : ill. (some col.) | |
Language(s): | English | |
Summary: | This thesis describes a methodology for mechanical fault detection and diagnostics in an ocean turbine using vibration analysis and modeling. This methodology relies on the use of advanced methods for machine vibration analysis and health monitoring. Because of some issues encountered with traditional methods such as Fourier analysis for non stationary rotating machines, the use of more advanced methods such as Time-Frequency Analysis is required. The thesis also includes the development of two LabVIEW models. The first model combines the advanced methods for on-line condition monitoring. The second model performs the modal analysis to find the resonance frequencies of the subsystems of the turbine. The dynamic modeling of the turbine using Finite Element Analysis is used to estimate the baseline of vibration signals in sensors locations under normal operating conditions of the turbine. All this information is necessary to perform the vibration condition monitoring of the turbine. | |
Identifier: | 501311565 (oclc), 369198 (digitool), FADT369198 (IID), fau:4268 (fedora) | |
Note(s): |
by Mustapha Mjit. Thesis (M.S.C.S.)--Florida Atlantic University, 2009. Includes bibliography. Electronic reproduction. Boca Raton, Fla., 2009. Mode of access: World Wide Web. |
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Subject(s): |
Marine turbines -- Mathematical models Fluid dynamics Structural dynamics Composite materials -- Mathematical models Elastic analysis (Engineering) |
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Persistent Link to This Record: | http://purl.flvc.org/FAU/369198 | |
Use and Reproduction: | http://rightsstatements.org/vocab/InC/1.0/ | |
Host Institution: | FAU |