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Control Systems

Code 8555
Year 3
Semester S1
ECTS Credits 6
Workload T(15H)/TP(45H)
Scientific area Informatics, Automation and Control
Entry requirements None
Mode of delivery Face-to-face
Work placements N/A.
Learning outcomes The objectives of this curricular unit are: to acquire skills in classical topics of control systems and automation, such as for example: the time domain and the frequency domain analysis of systems, the design of control systems, PID controllers, the stability and the robustness of dynamical systems; as well as to obtain a good introduction to the modern control, in the description of systems in state equations.
The competences to be acquired by the students are related to understanding the fundamental concepts and being able to design control systems and automation.
Syllabus Introduction to the Control System and Automatic Control Theory.
Mathematics foundations necessary (revision).
Mathematical modeling of systems and physical processes in general.
PID controllers.
Control of closed loop systems.
Time domain analysis of systems.
State Equations.
Analogical simulation.
System Stability and Robustness of dynamical systems.
The Routh-Hurwitz criterion for stability.
Relative Stability.
Root Locus Diagrams: construction and meaning.
Frequency domain analysis of systems.
Bode Diagrams.
Nyquist plots.
Control systems design.
Main Bibliography 1) Notas do Prof. Felippe de Souza disponíveis online na homepage
2) Notes of Prof. Felippe de Souza available (in English) online at the homepage
3) - “Modern Control Engineering”, Katsuhiko OGATA, Third Edition, Prentice Hall, Inc., 1997. ISBN: 0-13-261389-1
Portuguese version: “Engenaria de Controle Moderno”, Prentice Hall do Brasil / ISBN: 85-7054-019-1.
4) “Dynamical Systems and Automatic Control”, J. L. Martins de Carvalho, Prentice Hall, International
Series in Systems and Control Engineering, 1993. ISBN: 0-13-221755-4.
Portuguese version: “Sistemas de Controle Automático”, LTC – Livros Técnicos e Científicos Editora S.A. / ISBN: 85-216-1210-9.
5) - “Automatic Control Systems”, Benjamin C. KUO, Seventh Edition, Prentice Hall, Inc., 1995. ISBN: 0-13-312174-7.
Portuguese version: “Sistemas de Controle Automático”, Prentice Hall do Brasil / ISBN: 85-7054-016-7.
Teaching Methodologies and Assessment Criteria To be approved without Exam: FINAL MARK = F(75%) + AC(10%) + P(15%)
F [main test](75%) = written test

AC [continuous evaluation](10%) = ‘assiduity’, ‘punctuality’, ‘participation’ and ‘attitude’ of the student in the classroom. Minimum attendance of 75% is required in TE, TP and PL classes. [The minimum AC score is 0.8]

Attention: Student workers are not exempt from this AC Continuous Evaluation. They should contact the lecturer at the beginning of the semester to make arrangements for periodic “Tests” at an appropriate time.

P [practical work](15%) = performance in practical classes and practical work performed there [The minimum P score is 1.0]

Attention: Evaluations AC and P have minimums to be achieved, otherwise they are NOT ADMITTED.

For those taking the exam: FINAL MARK = Exam(75%) + AC(10%) + P(15%)
This applies to the Normal, Appeal or Special Season Exams and is only for ADMITTED students!
Language Portuguese. Tutorial support is available in English.
Last updated on: 2021-10-21

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