Lecturer(s)


Votrubec Radek, Ing. Ph.D.

Moučka Michal, Ing. Ph.D.

Garan Maryna, Ing. Ph.D.

Course content

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 MatlabSimulink 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 nonminimal phase; real examples of systems; demonstrations in Matlab. 5.6. Obtaining a description of the system  mathematicalphysical 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, RouthShur; Mikhailov's criterion; simplified Nyquist criterion. 10. Branched circuits  solution by signal equations; signal diagrams; block algebra; Mason's formula. 11. Twoposition  courses of working oscillations for power inputs and loads of various types; possible ways to improve the control process by means of a threeposition controller; demonstrations in Matlab. 12.13. PID controller  parallel and serial representation; characteristics; influence of adjustable on regulation; experimental adjustment; stability area; optimal adjustment; ZieglerNichols, CohenCoon, ChienHronesReswick 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.

Learning activities and teaching methods

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

Learning outcomes

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 MatlabSimulink environment, instrumentation and control by means of LabVIEW.
Students have basic knowledge from area of applied cybernetics.

Prerequisites

Exams from these subjects: Computers and programming, Mathematics I  II.

Assessment methods and criteria

Combined examination, Oral exam, Written exam
Credit: active participance on practice. Exam: written and oral

Recommended literature


BALÁTĚ,J. Automatické řízení. Praha, 2004. ISBN 8073001489.

HOFREITER, M. Základy automatického řízení (skriptum). Praha, 2014. ISBN 9788001050071.

OLEHLA, M.  NĚMEČEK, S.  ŠVARC, I. Automatické řízení (skriptum). Liberec: Technická univerzita v Liberci, 2009.

OLEHLA, M.  NĚMEČEK, S. Základy aplikované kybernetiky (skriptum). Liberec: Technická univerzita v Liberci, 2005.

ZÍTEK,P. Simulace dynamických systémů. Praha: SNTL  Nakladatelství technické literatury, 1990..
