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All Journal Mechatronics, Electrical Power, and Vehicular Technology Jurnal Elektronika dan Telekomunikasi
Yukhi Mustaqim Kusuma Sya'Bana
Research Centre for Electrical Power and Mechatronics, Indonesian Institute of Sciences
Electrical & Electronics Engineering Engineering

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Preliminary investigation of sleep-related driving fatigue experiment in Indonesia Kadek Heri Sanjaya; Yukhi Mustaqim Kusuma Sya'Bana; Shaun Hutchinson; Cyriel Diels
Journal of Mechatronics, Electrical Power and Vehicular Technology Vol 9, No 1 (2018)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/j.mev.2018.v9.8-16

Abstract

Sleep-related driving fatigue has been recognised as one main cause of traffic accidents. In Indonesia, experiment-based driving fatigue study is still very limited, therefore it is necessary to develop laboratory-based experiment procedure for sleep-related fatigue study. In this preliminary study, we performed a literature review to find references for the procedure and three pilot experiments to test the instruments and procedure to be used in measuring driving fatigue. Three subjects participated, both from experienced and inexperienced drivers. Our pilot experiments were performed on a driving simulator using OpenDS software with brake and lane change test reaction time measurement. We measured sleepiness by using Karolinska Sleepiness Scale (KSS) Questionnaire. The conditions of the experiment were based on illumination intensity as well as pre- and post-lunch session. We found that lane change reaction time is more potential than brake reaction time to measure driving performance as shown by the more fluctuating data. Post-lunch seems to induce drowsiness greater than illumination intensity. KSS questionnaire seems non-linear with driving performance data. We need to test further these speculations in the future studies involving a sufficient number of subjects. We also need to compare the effect of circadian rhythm and sleep deprivation on driving fatigue. The use of eye closure and physiological measurement in further study will enable us to measure driving fatigue more objectively. Considering the limitations, more preliminary experiments are required to be performed before conducting the main experiment of driving fatigue.
Low-Cost Multimodal Physiological Telemonitoring System through Internet of Things Kadek Heri Sanjaya; Asep Nugroho; Latif Rozaqie; Yukhi Mustaqim Kusuma Sya'Bana; Rizqi Andry Ardiansyah; Artha Ivonita Simbolon; Ulfah Nadiya; Dalna Nikita Ramdhani; Muhammad Akbar Maulana; Achmad Fachturrohman; Vyndi Myllazari; Bhetri Sonia Yolandari; Lolita Agastya
Jurnal Elektronika dan Telekomunikasi Vol 21, No 1 (2021)
Publisher : LIPI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v21.55-63

Abstract

The objective of this study is to develop and test a patient telemonitoring system. This study was encouraged by the high number of health workers fatalities in Indonesia due to physical contact without proper protection. Based on the symptoms of COVID-19 it consists of electrocardiogram (ECG) sensors, body temperature sensors, respiratory rate sensors, and pulse oximeter. The physiological data were captured by the sensors and collected by a microcontroller then it sends the data to a cloud system so that health workers can access the data. The experiments were performed to test both the offline and online protocol to compare data sent via a direct connection and data sent via Wi-Fi. In the offline testing, there were several limitations observed such as the low sampling frequency of the ECG signals that reduce the fidelity of the signals. Such problems were also observed on respiratory rate data. Furthermore, the system is also very prone to subjects’ movement-related noise. The measurements of peripheral oxygen saturation (SpO2) and body temperature, on the other hand, have been detected the slight change up to 0.1% and 0.5oC respectively. In the online testing, the data transmission to the cloud is sent per 30 seconds so that morphologically the ECG signal data are not representative. The system requires a lot of improvements and future study should be directed to improve signals acquisition and processing while maintaining the concept of low-cost. Design improvement should also include a better attachment design to the human body as well as greater data transmission for the online system.
Co-Authors Achmad Fachturrohman Artha Ivonita Simbolon Asep Nugroho Bhetri Sonia Yolandari Cyriel Diels Dalna Nikita Ramdhani Kadek Heri Sanjaya Latif Rozaqie Lolita Agastya Muhammad Akbar Maulana Rizqi Andry Ardiansyah Shaun Hutchinson Ulfah Nadiya Vyndi Myllazari