Realization of signal converters of the thermal sensors and high-lnear analog devices of biomedical designation

Authors

  • Sergii Pavlov Vinnytsia National Technical University
  • Waldemar Wójcik Lublin University of Technology, Poland
  • R.L. Holyaka Lviv Polytechnic National University
  • Yang Longyin Vinnytsia National Technical University
  • O.D. Azarov Vinnytsia National Technical University
  • L.E. Nykyforova National University of Life and Environmental Sciences of Ukraine
  • V.E. Kryvonosov National University of Life and Environmental Sciences of Ukraine
  • O.V. Kaduk Vinnytsia National Technical University

DOI:

https://doi.org/10.31649/1681-7893-2024-47-1-187-197

Keywords:

measuring transducers, electrothermal modeling, biomedical devices and systems

Abstract

Considered problems of instability of iterative processes in the analysis of I/V measuring converters with negative differential resistance caused by self-heating of these converters. An express method of determining the limits in which correct electrothermal DC analysis is provided has been developed. A method of synthesis of electrothermal models of thermoresistive, diode and transistor structures of primary converters of thermal flow sensors is proposed. In contrast to well-known circuit modeling packages (PSpice or MicroCAP), the proposed method allows you to obtain I-V characteristics in one cycle of DC analysis, taking into account the self-heating of the above-mentioned converters. The developed differential thermometer is a universal device for measuring the temperature difference, in particular for the implementation of thermal flow sensors, means of biochemical analysis, thermal conductivity, etc., and is characterized by a temperature difference measurement resolution of no worse than 0.001°C.

Author Biographies

Sergii Pavlov , Vinnytsia National Technical University

D.Sc., Professor of Biomedical Engineering and Optic-Electronic Systems Department

Waldemar Wójcik, Lublin University of Technology, Poland

D.Sc., Professor, director of the Institute of Electronics and Information Technology at Lublin University of Technology

R.L. Holyaka, Lviv Polytechnic National University

д.т.н., професор кафедри електронних пристроїв інформаційно-комп’ютерних технологій

Yang Longyin, Vinnytsia National Technical University

M.Sc., post-graduated student of Biomedical Engineering and Optic-Electronic Systems Department

O.D. Azarov, Vinnytsia National Technical University

D.Sc. Professor, head of Computer Technology Department

L.E. Nykyforova, National University of Life and Environmental Sciences of Ukraine

Doctor of Technical Sciences, Professor of the Department of Automation and Robotic Systems

V.E. Kryvonosov, National University of Life and Environmental Sciences of Ukraine

Doctor of Technical Sciences, Professor

O.V. Kaduk, Vinnytsia National Technical University

Ph.D., associate professor associate professor of Computer Engineering Department

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Published

2024-07-19

How to Cite

[1]
S. Pavlov, “Realization of signal converters of the thermal sensors and high-lnear analog devices of biomedical designation”, Опт-ел. інф-енерг. техн., vol. 47, no. 1, pp. 187–197, Jul. 2024.

Issue

Vol. 47 No. 1 (2024)

Section

Biomedical Optical And Electronic Systems And Devices

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