MICROPROCESSOR DEVICE FOR OBTAINING BIOELECTRIC INFORMATION
| Autor: | Viktor Bagriy, Alik Trikilo, Ruslan Voloshin |
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| Rok vydání: | 2023 |
| Předmět: | |
| Zdroj: | Collection of scholarly papers of Dniprovsk State Technical University (Technical Sciences). 1:109-119 |
| ISSN: | 2617-8389 2519-2884 |
| DOI: | 10.31319/2519-2884.42.2023.13 |
| Popis: | The purpose of the study is to develop a microprocessor device for receiving, displaying, recording the electrocardiogram and its further processing. Physical methods of biopotentials studying generated by human tissues and organs make it possible to obtain information about the state of physiological processes and reflect the functional state of the human body. Scientific studies of the cardiovascular system, which directly affects the average life expectancy are of particular importance today. There is still great interest in the methods of analysis of electrocardiograms in modern medical research aimed at solving diagnostic problems. The solution of this problem is implemented on the concept of a virtual device, which is possible due to the use of software environment LabVIEW which is widely used in industry and research laboratories as a standard tool for data collection and device management. The main aspects of development are considered, key nodes of the device are described and the radio element base is offered, the algorithm of operation of the device software is described. The module for recording bioelectric potentials (ECG) uses a specialized chip from Analog Devices AD8232. The chip is an interface module for monitoring heart rate with one leading and is designed to receive, amplify and filter weak biosignals in conditions of strong interference. The hardware basis of the device in this work is the hardware and software complex Arduino Nano based on the microcontroller ATmega168, which is used only for collecting input data, their conversion and transmission to a PC. The control of the device and the logic of its operation of the device is determined by VP LabVIEW. The hardware and software features of the device allow the processing of diagnostic information by the method of phasography, in which the standard cardiogram is replaced by a phase portrait of the cardio signal. This significantly expands the diagnostic capabilities, increases the sensitivity and specificity of ECG diagnostics. The developed experimental sample of the virtual single-channel cardiograph combines modern technologies of instrument making industry and software processing of the received diagnostic information and can be applied as a laboratory board in educational process of special disciplines mastering on the educational and professional program "Micro- and nanosystem engineering". |
| Databáze: | OpenAIRE |
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