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Lecturer(s)
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Votrubec Radek, Ing. Ph.D.
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Moučka Michal, Ing. Ph.D.
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Course content
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1. Regulated system - the concept of feedback control; control circuit diagram; video demonstrations of automatic control; study literature; conditions for completing the course. 2. Description of dynamic system - internal, external; differential equation; video transmission; transient and impulse functions, characteristics; static characteristic and its linearization; solution by Laplace transform and in Matlab. 3. Simulation of dynamic behavior of systems in Matlab-Simulink environment, method of reducing the order of derivation, method of gradual integration; influence and recalculation of initial conditions. 4. Division of regulated systems - static and astatic systems, systems with traffic delay; systems with minimal and non-minimal phase; real examples of systems; demonstrations in Matlab. 5.-6. Obtaining a description of the system - mathematical-physical analysis; example of a description of a real system; simulation in Matlab; experimental identification; approximation methods; optimization methods; model order reduction. 7.8. Frequency description of the system - frequency transmission; frequency response in the complex plane; frequency characteristics in logarithmic coordinates. 9. System stability - the effect of roots on stability; a necessary condition of stability; algebraic and frequency stability criteria; criterion Hurwitz, Routh-Shur; Mikhailov's criterion; simplified Nyquist criterion. 10. Branched circuits - solution by signal equations; signal diagrams; block algebra; Mason's formula. 11. Two-position - courses of working oscillations for power inputs and loads of various types; possible ways to improve the control process by means of a three-position controller; demonstrations in Matlab. 12.-13. PID controller - parallel and serial representation; characteristics; influence of adjustable on regulation; experimental adjustment; stability area; optimal adjustment; Ziegler-Nichols, Cohen-Coon, Chien-Hrones-Reswick adjustment; assessment of the quality of the regulatory process; examples of adjustments in Matlab. 14. Means of automatic control - industrial PID controllers; sensors, actuators; measuring cards; software means for automatic control; LabVIEW; discrete shapes of the PID controller.
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Learning activities and teaching methods
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Monological explanation (lecture, presentation,briefing), Dialogue metods(conversation,discussion,brainstorming), Demonstration, Project teaching
- Class attendance
- 56 hours per semester
- Home preparation for classes
- 20 hours per semester
- Preparation for exam
- 36 hours per semester
- Preparation for credit
- 8 hours per semester
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Learning outcomes
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The aim of the subject is to present basics of automatic control of dynamic systems. Design procedure of control circuits is considered from the identification up to the calculation of adjustable parameters. Dynamic systems, mathematical model, linearization, identification of static and dynamic characteristics, numerical simulation. Laplace transformation, frequency analyses, stability verification, feedback control, PID controller, methods of optimisation of PID parameters, numerical control system, simulation in Matlab-Simulink environment, instrumentation and control by means of LabVIEW.
Students have basic knowledge from area of applied cybernetics.
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Prerequisites
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Exams from these subjects: Computers and programming, Mathematics I - II.
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Assessment methods and criteria
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Combined examination, Oral exam, Written exam
Credit: active participance on practice. Exam: written and oral
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Recommended literature
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BALÁTĚ,J. Automatické řízení. Praha, 2004. ISBN 80-7300-148-9.
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HOFREITER, M. Základy automatického řízení (skriptum). ČVUT Praha, 2014. ISBN 978-80-01-05007-1.
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OLEHLA, M. - NĚMEČEK, S. - ŠVARC, I. Automatické řízení (skriptum). Liberec: Technická univerzita v Liberci, 2009.
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OLEHLA, M. - NĚMEČEK, S. Základy aplikované kybernetiky (skriptum). Liberec: Technická univerzita v Liberci, 2005.
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ZÍTEK,P. Simulace dynamických systémů. Praha: SNTL - Nakladatelství technické literatury, 1990..
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