Моделювання поведінки оператора технологічного процесу в стресових ситуаціях

МОДЕЛЮВАННЯ ПОВЕДІНКИ ОПЕРАТОРА ТЕХНОЛОГІЧНОГО ПРОЦЕСУ В СТРЕСОВИХ СИТУАЦІЯХ

SIMULATION OF TECHNOLOGICAL OPERATION OPERATOR BEHAVIOR IN STRESS SITUATIONS

Сторінки: 12-16. Номер: №5, 2020 (289)
Автори:
Р. КАМІНСЬКИЙ, Н. ШАХОВСЬКА
Національний університет «Львівська політехніка»
R. KAMINSKYY, N. SHAKHOVSKA
Lviv Polytechnic National University
DOI: https://www.doi.org/10.31891/2307-5732-2020-289-5-81-88
Рецензія/Peer review : 13.10.2020 р.
Надрукована/Printed : 27.11.2020 р.

Анотація мовою оригіналу

Приведена математична модель керованого людиною-оператором технологічного процесу з точки зору математичної теорії систем. Для моделювання використано апарат теорії множин. Модель враховує вплив людського фактору на якість керування технологічним процесом. Розглянуто поняття стресостійкості людини-оператора. Вводиться показник стресостійкості та наведена йог геометрична інтерпретація. Представлена модель виходу людини-оператора з стресового стану, яка враховує його індивідуальність.
Ключові слова: людина-оператор, управління технологічним процесом, стрес оператора, крива навчання.

Розширена анотація англійською мовою

The mathematical model of the human-operator of technological process from the point of view of the mathematical theory of systems is developed. The apparatus of set theory was used for modelling. The model takes into account the influence of the human factor on the quality of process control. The concept of stress-resistance of the human operator is considered. The stress resistance index is introduced and the geometric interpretation is given by the yogi. The model of exit of the person-operator from a stressful condition which considers its individuality is resulted. The authors of this study proposed an approach to establish the value of the stress indicator. The basis of this indicator are the following four general characteristics, namely: experience and level of qualification of the human operator, the working environment and the amount of information about changes in the parameters controlled by the operator, the technological process. The presented models of human-machine interface, indicator of human operator stress and operator exit from stress can be interpreted as an attempt to formalize the operator’s activity in human-machine control systems of many types of technological processes. From a practical point of view, these three models are focused on the use of quantitative indicators and characteristics, not only of the human operator, but also to some extent relate to both the technological process and the environment. The proposed indicator of human resilience to the stress, already using the appropriate scale of expert evaluation of its four elements, provides an opportunity to select the best from a group of candidates for the position of operator. This indicator, given the quantitative values of its elements, represents the relationship between the professional level and experience of the operator, the working environment and the amount of information provided. The model of the dynamics of the operator’s exit from the stress state follows from the results of the analysis of the stress resistance indicator. Analysis of numerous data on human stress shows that the way out of stress is not instantaneous, but lasts for some time. In addition, the dynamics of the restoration of a person’s functional state to normal is usually nonlinear and monotonous, and there may be a final nervous and mental stress, which accelerates his fatigue.
Keywords: human operator, technological process management, operator stress, learning curve.

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