Algorithms for increasing the reliability of primary measurement information

Matyakubova, P. M.; Ismatullayev, P. R.; Avezova, N. I.; Mahmadjonov, M.

doi:10.1088/1742-6596/2036/1/012002

Cited by 5 publications

(3 citation statements)

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“…In case of conditional decisions, it is recommended to carry out the measurements again, if these results are repeated more than 3 times in conditional conditions, it is necessary to carry out measurements from another laboratory or to set the protective lines for carrying out measurements. [8][9][10][11][12] There are a number of ways to establish a line of defense for decision-making based on international recommendation ILAC-G8:09/2019, which are listed in Table 1 [1,19]. The customer can determine the amount of protection line himself…”

Section: Methodsmentioning

confidence: 99%

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Scientific basis and practical application of formalization by making decisions taking into account the uncertainty of the results of gas analyzers in the process of comparison

Mahmudjonov,

Masharipov,

Matyakubova

2024

ITM Web Conf.

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Abstract. In the work done, the current state of comparison of gas analyzers was studied, and the issue of formalizing the results by making decisions based on the international recommendations of ILAC-G8:09/2019 was studied. The problems arising in the processing of the results of the comparison of gas analyzers are studied, and recommendations are given to consider the risks affecting them. Differences, shortcomings, and advances between benchmarking and calibration are discussed. No need for repeated comparison of calibrated dies, recognition of calibration result during comparison was studied. The difference between measurement uncertainty and error was studied. Making decisions on the basis of international recommendations ILAC-G8:09/2019 in the application of measurement results in the process of comparison of measurement uncertainty. Recommendations are made for establishing a line of defense in decision-making. At the National Institute of Metrology of Uzbekistan, the experimental results were processed and decisions were made based on the international recommendations of ILAC-G8:09/2019. The importance of selection of calibration points in comparison was studied and recommendations were made.

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Section: Methodsmentioning

confidence: 99%

“…The results of determining the additional error of the measuring instrument are considered positive if the values of the additional error are determined during type approval tests and do not exceed the limits specified in the operating instructions of the measuring instrument for the relevant operating conditions [11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Scientific basis and practical application of formalization by making decisions taking into account the uncertainty of the results of gas analyzers in the process of comparison

Mahmudjonov,

Masharipov,

Matyakubova

2024

ITM Web Conf.

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“…The basis of the principle of action of capacitive-semiconductor converter of dispersed media humidity is the dependence between the humidity of the measured mediumW and its electro-physical properties, the change in the active and reactive resistance of the transducers depending on the dielectric constant of the wet medium [4][5][6]. The essence of the method is to determine the permittivity of the medium by measuring the active and reactive resistance and energy losses of the electric capacitor, in which the role of the dielectric is played by the media [7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Development of sensitive measuring circuits for measurement of physicochemical parameters and their metrological characteristics

Masharipov

Kudratov²

2023

E3S Web Conf.

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A sensitive measuring scheme has been developed for capacitive-semiconductor converters of humidity of dispersed media, and basic static characteristics have been obtained depending on the duration of bipolar pulses, providing an increase in accuracy and linearity of the static characteristics. A scientifically based increase in the reliability of the results of chemical analysis and physicochemical measurements, the identification and minimization of their errors are impossible without the use of the foundations of metrology - the science of measurements. At the same time, theoretical metrology is rather closely intertwined with the legislative - a set of state acts and regulatory documents that regulate the rules, requirements and norms that must be guided by when making measurements. Obviously, the more responsible the decision is made on the basis of the measurement results, the more stringent the requirements are imposed on them, the less the measurement results should depend on the subjective opinion of the experimenter. Main provisions of measurement error assessment and principles of uniformity of measurements required for rational performance of physical and chemical measurements and chemical analysis are presented. Regularities of normal and other most common types of random v.e. distribution are considered.

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Mathematical Modeling of a Thermal Converter with a Cylindrical Heat Pipeline and a Lumped Heat Source

Matyakubova

Ismatullaev

Avezova

et al. 2023

J Eng Phys Thermophy

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Algorithms for increasing the reliability of primary measurement information

Cited by 5 publications

References 0 publications

Scientific basis and practical application of formalization by making decisions taking into account the uncertainty of the results of gas analyzers in the process of comparison

Scientific basis and practical application of formalization by making decisions taking into account the uncertainty of the results of gas analyzers in the process of comparison

Development of sensitive measuring circuits for measurement of physicochemical parameters and their metrological characteristics

Mathematical Modeling of a Thermal Converter with a Cylindrical Heat Pipeline and a Lumped Heat Source

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