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Fault Diagnosys in Electromechatronic Systems

Code 11459
Year 1
Semester S1
ECTS Credits 10
Workload OT(15H)
Scientific area Electrotechnics and Electronics
Entry requirements Not applicable.
Mode of delivery The contact time in this curricular unit is of tutorial nature. It is assumed an open participation of students in the discussion of critical issues, even when more theoretical formulations are involved. Questions that arise as a result of student’s study may be presented and discussed at any time. This pro-active participation, when properly accompanied by an individual work of the students, allow them to show a secure knowledge of matters, using correct terminology and acquiring skills for a successful professional life in the future, integrating work teams in the field of fault diagnostics of electromechatronic systems, with special emphasis on research.
Work placements Not aplicable.
Learning outcomes Accordingly to the general objectives of the third cycle of studies of the superior educational system, this curricular unit is mainly directed to the research education, with the objective of providing to the students the capacity for promoting the technological, social and cultural progress.
a) capacity of systematic understanding in the field of fault diagnosis in electromechatronic systems.
b) competences, skills and research methodologies related to the above identified field.
c) capacity to conceive, adapt and develop significant research based on the requirements of quality, standardization and academic integrity.
d) capacity to critically analyse, evaluate and synthetize new and complex ideas.
e) capacity to communicate with peers, other academic communities and society in general, about the above mentioned domain of specialization.
Syllabus Introduction
Electromechatronics. Basic Considerations About Electromechatronic Systems. The Concept of Fault Diagnosis.
Fault Diagnosis in Three-Phase Induction Motors
Reliability Surveys. Fault Analysis – Bearing Faults; Stator Faults; Rotor Faults. Diagnostic Methods – Motor Current Signature Analysis; Magnetic Flux Monitoring; Vibration Analysis; Electromagnetic Torque Analysis; Speed-Based Methods; Temperature Monitoring; Fluid and/or Lubrication Components Analysis; Park’s Vector Approach; Artificial-Intelligence-Based Techniques.
Fault Diagnosis in Three-Phase Power Transformers
Reliability Surveys. Fault Analysis. Diagnostic Methods – Dissolved Gas Analysis; Partial Discharges Monitoring; Temperature Monitoring; Vibration Analysis; Magnetic Flux Monitoring; Frequency Response Analysis; Excitation Current Analysis; Park’s Vector Approach.
Fault Diagnosis in Power Electronics Converters
Park’s Vector Approach. Fault Tolerance.
Standardization
Main Bibliography [1] Cardoso, A. J. M.: “Diagnóstico de Avarias em Motores de Indução Trifásicos”; Coimbra Editora, Coimbra, Portugal, 1991.
[2] Cardoso, A. J. M.: “Diagnosis and Fault Tolerance of Electrical Machines, Power Electronics and Drives”, IET - The Institution of Engineering and Technology, 2018.
[3] Vas, P.: “Parameter Estimation, Condition Monitoring, and Diagnosis of Electrical Machines”; Clarendon Press, Oxford, UK, 1993.
[4] Stone, G. C.; Boulter, E. A.; Culbert, I.; Dhirani, H.: “Electrical Insulation for Rotating Machines”; Wiley – Interscience, USA, 2004.
[5] IEEE Transactions on Industrial Electronics, IEEE Xplore, Serviços de Documentação, UBI, Pesquisa on-line.
[6] IEEE Transactions on Energy Conversion, IEEE Xplore, Serviços de Documentação, UBI, Pesquisa on-line.
[7] IEEE Transactions on Industry Applcations, IEEE Xplore, Serviços de Documentação, UBI, Pesquisa on-line.
[8] IEEE Transactions on Power Electronics, IEEE Xplore, Serviços de Documentação, UBI, Pesquisa on-line.
Teaching Methodologies and Assessment Criteria In order to allow a fair evaluation of the work developed by each student, the final evaluation will be determined by the following weights:
Seminars: 30%
Computational Simulation Works: 30%
Oral exam: 40%
To obtain approval, the student can not have a mark lower than 20% in the oral exam.
Language Portuguese. Tutorial support is available in English.
Last updated on: 2020-01-18

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