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Lecturer(s)
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Havlíček Libor, Ing. Ph.D.
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Course content
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Topics of lectures after weeks of semester: 1. Concept of electronic analog control circuit and its main components. 2. Circuit connection of power supplies of electronic control circuits (analog voltage and current power supplies, switched power supplies, reference voltage and current sources, their circuit connection, integration into the control circuit and basic parameters). 3. Operational amplifiers (their basic connection for the implementation of electronic control circuits). Implementation of analog PID controllers using operational amplifiers (parallel and serial structure). Low pass analog filters. 4. Practical aspects of PID controllers (circuits for "smooth" switching between automatic and manual mode, circuits for suppression of windup effect, etc.). 5. Concept of digital control circuit. Signal conditioning circuits, A / D and D / A converters. Digital controller concept. 6. Digital filters (their implementation, aliasing, choice of sampling period). 7. Selected types of action members. Connection of servomotor circuits with DC and stepper motor. 8. Power amplifiers for actuator control, PWM modulation. Properties of control valves. 9. Elements of pneumatic and hydraulic control circuits. 10. Means for logic control. Combinational and sequential logic circuits for the implementation of logic control. 11. Programmable logic controller, its integration into the process of control circuits. Overview of programming languages for logic control according to the IEC 1131-3 standard (RLL, SFC, FDB, STL, IL). 12. Serial communication interfaces. Current loop. 13. Industrial communication buses - an overview of the most used types and their basic characteristics. The content of the exercises corresponds to the topics of the lectures.
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Learning activities and teaching methods
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Monologic (reading, lecture, briefing), Dialogic (discussion, interview, brainstorming), Work-related activities
- Contact teaching
- 16 hours per semester
- Home preparation for classes
- 88 hours per semester
- Preparation for a credit (assessment)
- 24 hours per semester
- Preparation for an exam
- 24 hours per semester
- Term paper
- 28 hours per semester
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Learning outcomes
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The aim of the subject is to provide students with an overview of technical means, methods and principles of the technical implementation of control circuits used in automatic control. The subject is oriented not only to applications of commercially available devices, but also to familiarization with their circuit connection. The issue of selected types of sensors is analyzed in detail from the level of their functional electronic diagrams to their implementation. Applications of digital controllers, digital filters, logic control and industrial communication buses will take place in the student and technological workplaces of the industrial automation laboratory.
After completing the course, the student demonstrates knowledge of the selection of suitable technical means for the implementation of control circuits of thermal, mechatronic and hydraulic systems. The student is able to orientate, describe, design and verify the connection function of selected electronic circuits used in control circuits. He can prepare and implement appropriate measurements to verify the functionality and technical parameters of both the control circuit as a whole and its individual parts.
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Prerequisites
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Knowledge of the subjects Automation I and Automation II.
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Assessment methods and criteria
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Oral examination, Written examination, Work-related product analysis
During the semester and in the final exam, the student must demonstrate an understanding of the solved problems. The specific requirements will be communicated to the students by the teacher in the first week of the semester. Active participation in exercises is required.
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Recommended literature
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BENEŠ, Pavel a kol. Automatizace a automatizační technika 1: systémové pojetí automatizace. Brno: Computer Press, 2012. ISBN 978-80-251-3628-7.
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BENEŠ, Pavel a kol. Automatizace a automatizační technika 2: automatické řízení. Brno: Computer Press, 2014. ISBN 978-80-251-4106-9.
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SMITH, Carlos A., CORRIPIO, Armando B. Principles and Practice of Automatic Process Control. John Wiley & Sons, 2006. ISBN 978-0-471-43190-9.
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ZEZULKA, František. Prostředky průmyslové automatizace. Brno: VUTIUM, 2004. ISBN 80-214-2610-1.
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