Intelligent measurement methods in technical diagnosis and quality assurance - a comparison |
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| Affiliation: | 1. Department of Nuclear Engineering, University of Dhaka, Dhaka 1000, Bangladesh;2. Center for Research Reactor, Bangladesh Atomic Energy Commission, Dhaka 1207, Bangladesh;1. Programme in Geotechnologies Applied to Construction, Energy and Industry, University of Vigo, Rúa Maxwell s/n, 36310 Vigo, Pontevedra, Spain;2. Department of R&D, Extraco S.A. and Misturas S.A. Camiño da Cima 24, 32004 Ourense, Spain;3. Department of R&D, Abakal Ingenieros S.L. Camino de la Carrera Toledana 33, 28500 Arganda del Rey, Madrid, Spain;4. Defense University Center, Spanish Naval Academy, Plaza de España S/N, 36920 Marín, Pontevedra, Spain;5. Applied Geotechnologies Research Group, School of Mining, University of Vigo, Rúa Maxwell S/N, Campus Lagoas-Marcosende, 36310 Vigo, Pontevedra, Spain |
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| Abstract: | Faults in technical systems cannot be measured directly. Thus, a variety of intelligent measurement methods has been developed to detect faults. Two widely used procedures-the vibration analysis and the parameter estimation method, and their applications to technical diagnosis - will be described and compared.The paper deals with the application of the vibration analysis to the fault detection in a gear and the application of the parameter estimation to the fault detection in an electric drive system. The paper shows that faults in auxiliary systems canbe detected better by the vibration analysis, whereas faults in the drive system can be detected by the parameter estimation method. A combination of both methods provides better test results than conventional procedures. |
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