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All Journal International Journal of Electrical and Computer Engineering Jurnal EECCIS ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Panrita Abdi - Jurnal Pengabdian pada Masyarakat JETT (Jurnal Elektro dan Telekomunikasi Terapan) Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) KACANEGARA Jurnal Pengabdian pada Masyarakat Jurnal ULTIMA Computing TEKTRIKA - Jurnal Penelitian dan Pengembangan Telekomunikasi, Kendali, Komputer, Elektrik, dan Elektronika SinarFe7 eProceedings of Engineering Eduvest - Journal of Universal Studies Journal Serambi Engineering (JSE) SWAGATI: Journal of Community Service Indonesian Journal of Electronics, Electromedical Engineering, and Medical Informatics Jurnal Rekayasa elektrika
Willy Anugrah Cahyadi
Universitas Telkom
Aerospace Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Neuroscience Social Sciences Other

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Design and Evaluation of a Pre-Impact Fall Detection System with Wearable Airbag Vest for Elderly Injury Mitigation Willy Anugrah Cahyadi; Husneni Mukhtar; Suto Setiyadi; Dita Puspitasari; Nigel Bryan Tang; Mohamad Ramdhani
Indonesian Journal of Electronics, Electromedical Engineering, and Medical Informatics Vol. 8 No. 3 (2026): August
Publisher : Jurusan Teknik Elektromedik, Politeknik Kesehatan Kemenkes Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35882/ijeeemi.v8i3.344

Abstract

The increase in the elderly population in Indonesia raises concerns about fall accidents. Many mitigation strategies are available to reduce fall accidents among the elderly. Two main strategies have been widely explored, i.e., fall detection and impact reduction. Despite its disadvantages, fall detection devices remain useful and important for future research. In addition, it is also urgent to address the impact reduction method by providing cushioning to minimize the physical impact on the subject of the fall. This study proposes a wearable safety vest equipped with a pre-impact fall-detection system and an automatically inflating airbag to protect the wearer during a fall. The main contributions of this study are the design and implementation of a lightweight wearable airbag vest for elderly protection, the development of a machine-learning-based pre-impact fall detection, and a quantitative evaluation of impact reduction using accelerometer-based measurements. The proposed safety vest with airbag has been trained, validated, and tested, with the subject achieving fall detection accuracy beyond 90% and the airbag deployment delay of less than 1 second after detection. The experiment results also show that the use of the airbag could reduce the impact shock down to 40-50% based on the accelerometer measurements.
Multinode Wireless Sensor on Geo-Electrical Resistivity Meter Using LoRa Communication Sifa Nurpadillah; Husneni Mukhtar; Willy Anugrah Cahyadi; Kusnahadi Susanto; Agung Ihwan Nurdin
Jurnal Rekayasa Elektrika Vol. 22 No. 1 (2026): Vol. 22, No. 1, March 2026
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17529/jre.v22i1.3235

Abstract

Conventional geo-electrical resistivity meters require long and heavy cables to connect current and potential electrodes, making field deployment inefficient due to extensive cabling requirements. This work aims to develop and validate a Wireless Geo-Electrical Resistivity Meter (W-GERM) that reduces cable dependency by integrating a LoRa-based wireless sensor network for potential difference measurements while maintaining a wired current injection unit. The system consists of a main unit equipped with a 400 V current injector and multiple wireless multinode based on TTGO LoRa ESP32 and INA219 sensors. Performance evaluation included laboratory testing, communication and synchronization experiments, Contact Resistance Measurement (CRM) validation, and field testing using the dipole-dipole configuration at the Cikeruh River, East Bandung Basin. The proposed system provided reliable wireless communication and synchronized current injection with potential difference measurements. The calibrated INA219 sensors achieved potential measurement errors below 1%, while the CRM function reliably distinguished properly connected and improperly connected electrodes. Field validation produced subsurface resistivity profiles comparable to those obtained using the commercial AGIS Supersting R8, with a maximum survey length of 192 m and an investigation depth of approximately 20 m. The W-GERM reduces cabling complexity and provides a practical alternative for geo-electrical resistivity surveys.
Co-Authors Abel Maulana Alie Achmad Rizal Achmad Rizal Adam Fazri Rachman Adhi Dharma Surya Wijaya Agung Ihwan Nurdin Angga Rusdinar Apnan Juanda Ardila Sindiarti Aziz, Burhanuddin Bambang Setia Nugroho Brahmantya Aji Pramudita Christian Halomoan Siregar Denny Darlis Dien Rahmawati Diena Yudiarti Dita Puspitasari Diyah Widiyasari Dopo, Obed Orieyanto Eka Afrima Sari Elvino Simanjuntak Elvino Simanjuntak Erwin Susanto Fajry Adi Rahman Fajry Adi Rahman Fikri Ardian Fikri Refo Julianto Firas Maulana Lasidi Fitrah Dipo Juni Kurniawan Fransiskus Abel Pramuadi Putra GERALDI, ARIK Hanung Adi Nugroho Hesty Susanti Hilmy Rifaldi Husneni Mukhar Husneni Mukhtar Husneni Muktar Ihsan Ahmad Kamal Ikhsan, Akhmad Fauzi Istiqomah Iswahyudi Hidayat Josua Ronaldo Simanjuntak Josua Ronaldo Simanjuntak Kusnahadi Susanto Kusuma Dewa, M. Rizky Mohamad Ramadhani Mohamad Ramdhani Mohammad, Dzaky Muhammad Ary Murti Muhammad Danung Putra Wiyadhi Muhammad Fasha Aqillah Muhammad Hablul Barri Muhammad Hilmy Anshoruddin Muhammad Zakiyullah Romdlony Nadia Husnul Nicola Akmal Afrinaldi Nigel Bryan Tang Nigel Bryan Tang Nigel Bryan Tang Novi Prihatiningrum Nurdin, Agung Ihwan Pandu Pira Haskara Porman Pangaribuan Prameswari Diahasna Tsany - Rahman, Fajry Adi Rahmat Syamsudaris Razzak, Taufiq Abdul Risanuri Hidayat Sekhah Ulyana Sheizi Prista Sari Sifa Nurpadillah Sigit Indriyanto Simanjuntak, Elvino Simanjuntak, Josua Ronaldo Sindiarti, Ardila Siregar, Christian Halomoan Sony Sumaryo SUDIYONO, OOY ARIE Surya Wibowo, Agung Suryo Adhi Wibowo Suto Setiyadi Teuku Zulkarnain Muttaqien Wahmisari Priharti Wiyadhi, Muhammad Danung Putra Yoga Pujiraharjo