APPLICATION OF FUNCTIONAL DEPENDENCE FOR MULTI-CRETIRIAL ASSESSMENT OF LABOR SAFETY AS AN OBJECT OF QUALIMETRY

Abstract

The subject matter of the article is the method of multi-criteria assessment of the indicator of labor safety in production. The goal of the work is to develop a methodology for applying functional dependence for multi-criteria assessment of labor safety in production, taking into account the characteristics of the system of harmful and dangerous production factors. The following task is solved in the article: to explore the possibility of using a functional dependence to obtain estimates of different-dimensional labor safety indicators on a dimensionless scale, while taking into account its unevenness and coordinating it with the characteristics of hazardous factors in production. Methods are used: qualimetry and mathematical statistics; expert. The following results were obtained: the existing functional dependencies between the measured values of quality indicators and their assessment on a dimensionless scale, which were used to evaluate qualimetry objects of various natures, were analyzed. It is shown that for an objective assessment of qualimetry objects, as a rule, nonlinear dependencies should be used. The main task of the researcher is to choose the type of nonlinear dependence; this requires additional scientific research. The tool for choosing one or another non-linear relationship is the understanding of the physical essence of the qualimetry object, that is, the understanding of the patterns of the relationship between the measured value of the qualimetry indicators and their assessment. For this, it is important to use the methods of expert assessments, because usually such patterns are unknown. The functional dependence used to obtain estimates of labor safety indicators in production is stepwise and includes a form parameter. By changing the shape parameter, the curvature of the dependence changes, thereby changing the estimate on the dimensionless scale. This feature of the applied dependence allows us to develop a universal methodology, that is, by changing the shape parameter, this dependence can be applied to various indicators of labor safety in any production. As an example, the article considers metallurgical production, while assessing the most dangerous factors. A step-by-step methodology for determining a generalized indicator of labor safety in production and an example of measured numerical values of hazardous factors has been developed, its effectiveness and versatility have been shown. Conclusions: to determine the generalized indicator of occupational safety at work, it is proposed to use the functional relationship between individual indicators of harmful production factors and their values on a dimensionless scale, which gives a quantitative assessment of occupational safety at work. With the help of the proposed method, you can make management decisions, which minimizes the deviation of the actual values of harmful factors from the optimal ones.