Means of Automatic Control I. (E371519)
Katedra:ústav přístrojové a řídící techniky (12110)
Platí do: ??Rozsah:3P+0C+2L
Zakončení:Z,ZKJazyk výuky:EN
Various categories of means for automatic control according to the different criterions. Main features in each category.Air and hydraulic fluid as a medium for information transfer. Symbols and descriptions in pneumatic and hydraulic diagrams. Pneumatic control systems design. Pneumatic actuators, valves, special pneumatic, electropneumatic devices. Control valves, categories, dimensioning, design, applications. Inteligent pneumatics as an integration of pneumatic, electronic and control components and systems. Valve islands and terminals, standard, with industrial buses communication, programmable. Pneumatic positioning systems. Signal filtering, low-pass Bessel, Butterworth,
Chebyshev and elliptics filters. Characteristics, design, realisation and applications. PID controllers, equation, transfer function, realisation, experimental methods of settings. Electrical actuators - electromagnets, DC motors, AC motors - principle. Methods of force, torque and speed controlling. MATLAB models of DC electromagnet and DC motor. Stepper motor. Industrial interfaces EIA/TIA 232F/422B/485A, current loop, Profibus, AS-I, HART.
doc. Ing. Jan Chyský CSc.
Zimní 2023/2024
Ing. Marie Martinásková Ph.D.
Zimní 2023/2024
doc. Ing. Jan Chyský CSc.
Zimní 2022/2023
Ing. Marie Martinásková Ph.D.
Zimní 2022/2023
doc. Ing. Jan Chyský CSc.
Zimní 2021/2022
Ing. Marie Martinásková Ph.D.
Zimní 2021/2022
1.Means for realization of control loop in general, division of the means based on transfer of information, signals and construction, comparing of various systems{priorities of pneumatic, hydraulic and electric system}
2.Static and dynamic qualities of the control means, possibilities of their evaluation with regards to the measured response
3.Function of the amplifier as a basic construction element of pneumatic and hydraulic means of control, hydraulic servomotor
4.Pneumatic drivers {function of corrector}, valves, the notation for drawing diagrams for control loops by norm
5.Labour, control and auxiliary means to control single and double actuating pneumatic cylinders
6.Possibilities of control more actuating pneumatic cylinders - application of quickstepper and relay mode of control
7.Signal filtering, analogue filters
8.Digital filtering, Finite Impulse Response filteres (FIR), Infinite response filters (IIR).
9.Analogue controllers and their realisation. Input and output signals
10.Discrete PID controllers, algorithm, alliasing, wind-up effect, experimental methods of settings
12.Electrical actuators, AC, DC, stepper motors, electromagnets. Dynamical properties, model of DC motor.
13.Busses, serial communications. Interface TIA/EIA 232F,422B, 485A. Current loop
14.Industrial communication systems, Reference model ISO/OSI. Profibus, CAN, -Net. AS-interface, HART.
Osnova cvičení
1.Application of Matlab for simulation of dynamic and static properties of control means (dynamic error, frequency limit and etc.) - laboratory PC
2.Simulation of the amplifier supply with the feedback, dynamic properties of the hydraulic servomotor - laboratory PC
3.Practical acquaintance with pneumatic motors, controllable and auxiliary means for realization of control- laboratory FESTO
4.Practical application - laboratory FESTO
5.Control of single and double actuating pneumatic cylinders (laboratory FESTO)
7.Filters - amplitude and phase curve - measurement
8.Filter + PID controller, Matlab simulation
9.PID controllers, practical settings
10.PID controllers, practical settings
11.DC motor, static and dynamic parameters identification
12.AC induction motor and frequency converter
13.Electrical servomotor and controller for positioning
13.Stepper motor
Beneš, P.:Pneumatická ovládání,doplňkové skriptum ČVUT Praha 1991, Kolář,V.,Vinopal,St.: Hydraulika průmyslových armatur, Hlava,J.:Prostředky automatického řízení, skriptum, ČVUT FS, Praha 2002
Requirements for assesment:
Completion of all practical exercises, processing of one semester of work in design of pneumatic control systems, simulation and verification of practical work.
Design, implementation and measurement of the analog filter type, Parameters measurement of given motor for the model in MATLAB, compare the behavior of the model and real motor. Experimental setup of the PID controller for the system with given transfer function..
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