4.5 Article

Stress Detector Supported Galvanic Skin Response System with IoT and LabVIEW GUI

Journal

CMC-COMPUTERS MATERIALS & CONTINUA
Volume 74, Issue 1, Pages 1217-1233

Publisher

TECH SCIENCE PRESS
DOI: 10.32604/cmc.2023.023894

Keywords

GSR; LabVIEW; stress detection; MATLAB; IoT; bluetooth

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Stress has become a serious disease caused by changes in working life and food ecosystems globally. This study proposes a real-time stress monitoring system using Internet of Things technology and a bio signal detection device. MATLAB analysis is used to identify different levels of stress.
Stress is now a serious disease that exists due to changes in working life and food ecosystems around the world. In general, it is difficult for a person to know if they are under stress. According to previous research, temperature, heart rate variability (HRV), humidity, and blood pressure are used to assess stress levels with the use of instruments. With the development of sensor technology and wireless connectivity, people around the world are adopting and using smart devices. In this study, a bio signal detection device with Internet of Things (IoT) capability with a galvanic skin reaction (GSR) sensor is proposed and built for real-time stress monitoring. The proposed device is based on an Arduino controller and Bluetooth communication. To evaluate the performance of the system, physical stress is created on 10 different participants with three distinct tasks namely reading, visualizing the timer clock, and watching videos. MATLAB analysis is performed for identifying the three different levels of stress and obtaining the threshold values as if the person GSR voltage i.e., relaxed for 1.75 volts; Normal: between 1.75 and 1.44 volts and stressed: 1.44 volts. In addition, LabVIEW is used as a data acquisition system, and a Blueterm mobile application is also used to view the sensor reading received from the device through Bluetooth communication.

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