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Lecturer(s)
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Novák Miroslav, Ing. Ph.D.
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Course content
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Lectures: 1. The overview of digital measurement systems faults and possibilities of their lowering 2. Digital measurement systems with serial communication 3. Automated digital systems based on IEEE 488.2- GPIB 4. Instruments drivers, intelligent virtual drives, VISA library, VME, VXI systems. 5. AD and DA converters in multifunction I/O PC boards. Characteristics, parameters, faults. 6. Multifunction DAQ, internal connection, function blocks, key features, characteristics and accessories. 7. Software LabWindows/CVI, LabVIEW, driver software, PC boards application 8. Measured data processing, frequency analysis, possible errors in data processing 9. Data processing in time domain, digital FIR and IIR filters, design and usage 10. Distributed measurement systems, RS 485, RS 422 standards, ADAM modules, programming, where to use. Practice: 1. Introduction, measurement systems errors, error assessment and computation 2. Introduction to C language, LabWindows/CVI basics and programming 3. LabWindows/CVI programming, data visualization, user interface creation and programming 4. Serial communication, instrument control, RS 232.data acquisition and processing. Simple instruments Protec 506, APPA 109, Metex programming and control. 5. SCPI programming and communication using serial and GPIB. Communication with HP and Agilent instruments as multimeters, generators and oscilloscopes. 6. Multifunction PC card, functions, parameters, introduction to NI-DAQ driver. 7. Data acquisition programming -analog inputs, single channel and scan programming, digital inputs and outputs, double buffering 8. Physical signal measurement and analysis, instantaneous, mean and |RMS measurement, thermocouples temperature measurement 9. Signal filtration in time domain, FIR and IIR filter coefficients design and filtering application. 10. Individual project - virtual instrument programming and realization - frequency analyzer, oscilloscope.
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Learning activities and teaching methods
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Monological explanation (lecture, presentation,briefing), Dialogue metods(conversation,discussion,brainstorming), Demonstration, Laboratory work
- Semestral paper
- 60 hours per semester
- Preparation for exam
- 50 hours per semester
- Class attendance
- 40 hours per semester
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Learning outcomes
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The course is focuses on the structure and programming of current automated centralized and distributed measurement systems consisting of autonomous instruments, multifunction PC cards and USB modules. A/D and D/A converters, data acquisition methods, digital filters and data processing in the time and frequency domain are introduced.
By graduating this subject, students obtain theoretical knowledge and practical skills from the region of digital measurement systems, measurement instruments communications, multifunction DAQ cards and distributed measuring systems including modern method of data processing.
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Prerequisites
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Good knowledge of math, electronics, Measuring technique and programming basics
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Assessment methods and criteria
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Combined examination, Oral exam, Written exam
Credit: active participation at practices, Building a measurement application. Exam: writtten + oral
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Recommended literature
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Haas, V. a kol.:. Číslicové měřicí systémy.. ČVUT FEL , Praha, 2000.
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Hlaváč, V., Sedláček, M.:. Zpracování signálů a obrazů.. Praha, vydavatelství ČVUT, 2005.
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