Measurements

Higher education teachers: Agrež Dušan

Higher education teachers: , Drnovšek Janko
Collaborators: Agrež Dušan, Begeš Gaber, Geršak Gregor, Hudoklin Domen
Credits: 7
Semester: winter
Subject code: 64112



Subject description

Prerequisits:

  • Enrolment in the academic year

Content (Syllabus outline):

  • Metrology systems (quantities, units and realization, etalons, disemination, traceability, calibration, conformity assessment);
  • Fundamental principles of measurement and information content of signals, measurement strategies;
  • Measuring accuracy and uncertainty (absolute and relative errors, measurement result, true value, statistic analysis, measurement uncertainty), signal conditioning;
  • Measurement of electrical quantities (voltage, current, power, resistance, capacitance, inductance, frequency, phase, power factor, frequency spectrum, ...);
  • Application of basic measuring instrumentation (ammeter, voltmeter, wattmeter, oscilosscope, vector analyser);
  • Measurement of non-electrical quantities (temperature, humidity, preasure, force, lenght, noise, ...).

Objectives and competences:

  • To study the fundamentals of metrology and metrological systems, Si units, connections with other fields of science;
  • To introduce the basic principles of measurement of most important quantities in engineering, properties of measurement signals;
  • To learn the approaches and methods of measurement of basic electric quantities and caracteristics of measurement transducers;
  • To extend the concepts of measurement and comprehension and interpretation of the measurement results;
  • To study the meaning of statistic and analysis of measurement uncertainty;
  • Besides its theoretical aspects it helps the preparation for laboratory practices.
  • To learn the security requirements and protection when using measurement instrumentation in connection with power supply.

Intended learning outcomes:

  • To get information and adopt the basics of metrology;
  • Understanding of measurements as basic discipline for acquisition and evaluation of information;
  • Understanding of methods how to measure basic elektromagnetic quantities;
  • To know how to express the mesasurement results with measurement uncertainty;
  • To know how to collect, interpret and evaluate measurement results.

Learning and teaching methods:

  • Lectures, laboratory tutorials.





Study materials

  • Dunn P.F., Measurement and Data Analysis for Engineering and Science, Second Edition, CRC Press, 2010.
  • Morris A.S., Measurement and Instrumentation Principles, Third Edition, Oxford: Butterworth-Heinemann, 2010.
  • Agrež D. in ostali, Meritve - laboratorijski praktikum (ver. 3), University of Ljubljana, Faculty of Electrical Engineering, 2013.
  • G. Geršak in ostali, Metrologija, University of Ljubljana, Faculty of Electrical Engineering, 2012.
  • Tumanski S., Principles of Electrical Measurement, Taylor & Francis, CRC Press, 2006.
  • Evaluation of measurement data - Guide to the expression of uncertainty in measurement International Joint Committee for Guides in Metrology, 2008 (http://www.bipm.org/en/publications/guides/gum.html).



Study in which the course is carried out

  • 2 year - 1st cycle - Electrical Engineering