Abstract
Studies of the effect of normalized radiation fluxes on the measurement result revealed the most influential one. The value of the normalized flow F0 was shown to have a greater effect on the relative measurement error than ΔF0. This allows investigating the relationship between the controlled Fx and the normalized flow F0. Experimental studies have confirmed that by a threefold increase in the normalized flow F0 relative to the controlled flow Fx, it becomes possible to increase the measurement accuracy in a wide range. In particular, it was found that at the flux value F0=0.16×10-3 W, it becomes possible to measure the controlled flow in a wider range Fх=(0.16×10-3÷0.97×10-3) W with a relative error of thousandths of a percent. The effect of the reproduction error on the measurement result under the condition of a threefold increase in the normalized flow F0 relative to the controlled flow Fх is shown. It was found that an increase in the reproduction error of the normalized radiation fluxes by 1 order leads to a narrowing of the range in which the value of the relative error tends to zero. It is shown that in the absence of a threefold increase in the normalized flow F0, an increase in the reproduction error of the normalized flows by 1 order leads to individual cases of reduction in the relative error to small-order values. The latter, by the way, applies to cases where the ratio between the normalized F0 and controlled flow Fx, as 3 to 1, is ensured. It is shown that the reproduction error of the dark flow does not affect the measurement result.Thus, there is reason to believe that it is possible to expand the measurement range, in which the value of the relative error is thousandths of a percent, even for 1 measurement cycle
Highlights
It is known that accuracy is one of the most important characteristics of measurements of any production or technological process
Special attention should be paid to complex production processes, where to determine the controlled quantity it is necessary to measure several quantities over their entire range and the final accuracy of measurements depends on the measurement accuracy of each quantity
Computer simulation to determine the effect of normalized flows on the measurement result
Summary
It is known that accuracy is one of the most important characteristics of measurements of any production or technological process. Special attention should be paid to complex production processes, where to determine the controlled quantity it is necessary to measure several quantities over their entire range and the final accuracy of measurements depends on the measurement accuracy of each quantity. It is necessary to take into account both the instrumental error of the measuring tool itself and the methodological error of the measurement method, which affect the final result. In cases where the sensor transformation function is non-linear, there is a need for additional measures to linearize it over the entire range, which affects the accuracy and cost of the measurement tool. There is a need to increase the accuracy of the measurement results of technological parameters, which would be comparable to the accuracy of reference standards
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