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Study of the Accuracy of the Temperature Fire Measurement by the Sensors of the Fire Alarms in Dynamic Conditions with Random Temperature Fluctuations

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Abstract:

The results study of the accuracy of the temperature fire measurement by the sensors of the fire alarms in dynamic conditions with random temperature fluctuations, are presented. The statistical study of the accuracy measurement is based on the method of transformation of the random processes by the linear systems. The constructive approaches to optimizing and the accuracy improvement of the thermal sensors with the thermo-resistant sensitive element and the bridge measuring circuit in the dynamic conditions under random temperature fluctuations based on the choice of corresponding values of the characteristic parameter of the sensor and the constant time of its sensitive element have been proposed. Scientific novelty of the results is in the development model and in the method of analysis of the dynamic model of the thermal sensors with the thermo-resistant sensitive element in the form of a thin plate. It has been proved that the invariance of the accuracy of the ambient temperature measurement over time is possible. The obtained results allow solving the practical tasks determining the optimal parameters of the sensors under the conditions of fire temperature dynamics, taking into account the background random temperature fluctuations.

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Periodical:

Advances in Science and Technology (Volume 170)

Pages:

133-141

DOI:

https://doi.org/10.4028/p-4Wts69

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Online since:

November 2025

Authors:

Igor Tolok, Boris Pospelov, Evgeniy Rybka*, Kateryna Tishechkina, Antonina Markovska

Keywords:

Accuracy Of Measurement, Dynamic Conditions, Fire Alarm, Random Fluctuations, Sensor of the Ambient Temperature Measurement, Temperature

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© 2025 Trans Tech Publications Ltd. All Rights Reserved

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