516-0918/04 – Evaluation Methods of Measurement of Physical Quantities (MVMFV)

Gurantor departmentInstitute of PhysicsCredits10
Subject guarantorprof. Ing. Libor Hlaváč, Ph.D.Subject version guarantorprof. Ing. Libor Hlaváč, Ph.D.
Study levelpostgraduateRequirementChoice-compulsory
YearSemesterwinter + summer
Web linkStudy languageCzech
Year of introduction2013/2014Year of cancellation2016/2017
Intended for the facultiesFS, HGFIntended for study typesDoctoral
Instruction secured by
LoginNameTuitorTeacher giving lectures
HLA57 prof. Ing. Libor Hlaváč, Ph.D.
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Examination 20+0
Combined Examination 20+0

Subject aims expressed by acquired skills and competences

The subject includes these themes discussed in a context of the problems of the assigned doctoral work: the philosophy of measurement of uncertainties, standard uncertainty of the A type, standard uncertainty of the B type, combined standard uncertainty, extended standard uncertainty, determination of standard uncertainties, significance of determination of uncertainties in certified calibrating and testing laboratories, the reasons for introduction of certificates approving qualification for metrology and testing activities.

Teaching methods

Lectures
Individual consultations

Summary

The topics of the subject are as follows: philosophy of the errors in measurement and uncertainties, standard uncertainty of the type A, standard uncertainty of the type B, combined standard uncertainty, widened standard uncertainty, determination of the standard uncertainties, significance of determination of uncertainties in accredited calibrating and testing laboratories, certificate of qualification for gauging, measurement and testing activities. As a part of the subject exam the doctoral student has to prepare in written form either evaluation of measurements or critique of norms and/or technical instructions from the branch of dissertation according to adviser recommendation.

Compulsory literature:

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.

Recommended literature:

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.

Way of continuous check of knowledge in the course of semester

Preparation of the summary with an extent from 20 to 30 pages from selected chapter or chapters. This work is an entrance condition for passing of the exam.

E-learning

Další požadavky na studenta

Preparation of written material summarizing application of key themes of the subject in solution of the own doctor theses.

Minimální znalostní požadavky

Prerequisities

Subject has no prerequisities.

Co-requisities

Subject has no co-requisities.

Subject syllabus:

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.

Conditions for subject completion

Prezenční form (validity from: 2013/2014 zimní semester, validity until: 2016/2017 letní semester)
Task nameType of taskMax. number of points
(act. for subtasks)
Min. number of points
Zkouška Zkouška  
Rozsah povinné účasti:

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