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Ukončeno v akademickém roce 2016/2017

Evaluation Methods of Measurement of Physical Quantities

Type of study Doctoral
Language of instruction Czech
Code 516-0918/04
Abbreviation MVMFV
Course title Evaluation Methods of Measurement of Physical Quantities
Credits 10
Coordinating department Institute of Physics
Course coordinator prof. Ing. Libor Hlaváč, Ph.D.

Osnova předmětu

1. NUMERICAL CHARACTERISTICS OF RANDOM VARIABLES
Distribution function, probability density functions and probability.
Mean. Moments. Characteristic functions of random variables.
Quantiles. Characteristics of the location and variability. Characteristics of the obliquity and kurtosis. Symmetrical distribution.
2. STUDENT DISTRIBUTION
The sample average. Unbiased estimate. Sample variance. Selection standard
deviation. Confidence interval. Risk. Student's coefficient. Extreme
error.
3. ELIMINATING OF RANDOM AND SYSTEMATIC ERRORS
Substitution method. Method bias changes sign. Method changes
sign of the measured quantity. Symmetrical method of measurement. The method of periodic measurements.
4. BASIC CONCEPTS AND DEFINITIONS FROM THE MEASUREMENT UNCERTAINTY
Random variable. Uncertainty. Initial estimate of the input variables.
Output estimate the output value.
5. MEASUREMENT UNCERTAINTY
Standard uncertainty of type A, type B, method of estimating the standard uncertainty of type B, conversion uncertainties correlation between sources of uncertainty, combined standard C uncertainty, expanded uncertainty, determination coefficient of expansion.
6. METHODOLOGICAL PROCEDURE FOR DETERMINING THE UNCERTAINTY
Analysis of input conditions. The mathematical model selected methodology.
Identification and implementation of all major correction. Sources of uncertainties.
Determination of the input standard uncertainties. Determination of the combined standard uncertainty. Analysis of the contributions of individual uncertainties. Setting expansion uncertainty.
7. MEASURING INSTRUMENT UNCERTAINTY OF ELECTRICAL VARIABLES
8. UNCERTAINTY OF TESTING AND EVALUATION
Determination of uncertainties in tensile tests, tests, impact test. Rating
uncertainties in hardness testing.
9. CERTIFICATION AND ACCREDITATION
Definitions. Certification of quality assurance, personnel, products
and in testing laboratories. Certification in the country.

Povinná literatura

Barbato, G.; Germak, A. Uncertainty in Hardness Measurement. Discussion to measurement of uncertainties for measuring of hardnees on hardness measurement devices Rockwell – scale C. Berlín: Workshop EAL, 1995.
Kaarls, R., Kessel, W. Rewiew of the Use of Measurement Uncertainty in Calibration, Measurement and Testing Procedures. Eurolab Workshop and Seminar on Measurement Uncertainty in Testing. Barcelona: December 1992.

Doporučená literatura

ASME Code, Sect. II, Part A – Ferrous Material specifications, SA 370, Ed. 1995. BIPM/IEC/IFCC/ISO/IUPAC/OIML: Guide to the Expression of Uncertainty in Measurement, ISO, I. edition, 1993.
EQS – European Committee for Quality System Assessment and Certification, First Edition, Juni 1992.