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All Journal Sistemasi: Jurnal Sistem Informasi JITK (Jurnal Ilmu Pengetahuan dan Komputer) JOURNAL OF APPLIED INFORMATICS AND COMPUTING Jurnal Sisfokom (Sistem Informasi dan Komputer) Jurnal Infomedia Jurnal Riset Informatika Jurnal ICT : Information Communication & Technology Respati Jurnal Abdi Insani Journal of Soft Computing Exploration Jurnal Pendidikan dan Teknologi Indonesia JTECS : Jurnal Sistem Telekomunikasi Elektronika Sistem Kontrol Power Sistem dan Komputer JUSTIN (Jurnal Sistem dan Teknologi Informasi) Jurnal Pengabdian Masyarakat : Pemberdayaan, Inovasi dan Perubahan Batara Wisnu : Indonesian Journal of Community Services International Journal of Advanced Science Computing and Engineering SmartComp The Indonesian Journal of Computer Science Jurnal Pengabdian Masyarakat (JURDIMAS) SWAGATI: Journal of Community Service Journal of Soft Computing Exploration
Mulia Sulistiyono
Universitas Amikom Yogyakarta
Religion Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Public Health Social Sciences Other

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Journal : journal of applied informatics and computing

 1 
Development of an IoT-Based Electric Safety Buoy with Autonomous Navigation System for Coastal Water Rescue Operations Hari Muktafin, Elik; Abdullah Sukri, M Iqbal; Aziz Muzani, Ma'ruf; Sulistiyono, Mulia; Kusrini, Kusrini; Setiaji, Bayu
Journal of Applied Informatics and Computing Vol. 9 No. 6 (2025): December 2025
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaic.v9i6.11674

Abstract

This research aimed to develop and evaluate an IoT-based electric safety buoy equipped with an autonomous navigation system to support Search and Rescue (SAR) operations in coastal environments. The system integrates dual‐thruster propulsion, GPS and Inertial Measurement Unit (IMU) sensors, IoT telemetry, and a Return-to-Home (RTH) mechanism, enabling both manual and autonomous operation modes. Prototype testing was conducted in a controlled aquatic environment under light wave conditions (10–25 cm) and mild surface currents (0.18–0.32 m/s), with calm weather and unobstructed line-of-sight communication. The buoy was evaluated in both unloaded and 2 kg payload conditions, traveling at an average speed of 1.25–1.35 m/s across test sessions lasting 12–18 minutes. Three predefined GPS waypoints were used to assess navigation accuracy, motion stability, RTH reliability, and telemetry performance. Results show that the autonomous mode achieved a mean positioning error of 1.12 m, a cross-track deviation of 0.35 m, and a waypoint success rate of 96%, outperforming manual navigation by 52%. The RTH function maintained a success rate of 100% under low-battery conditions and 92% during communication loss, while IoT telemetry remained stable up to 200 meters with less than 1% packet loss. These findings confirm that integrating IoT-based telemetry with adaptive autonomous navigation enhances rescue mission efficiency and operational safety, while indicating the need for further validation under more challenging open-sea conditions.
Layered Authentication Optimization in IoT-Based Package Receiving System using Voice-Trigger and PIN Verification Mulia Sulistiyono; Muhtar Efendi; Uyock Anggoro Saputro; Bernadhed Bernadhed
Journal of Applied Informatics and Computing Vol. 10 No. 3 (2026): June 2026
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaic.v10i3.12228

Abstract

The rapid growth of courier and e-commerce services has increased the risk of package delivery problems, including unattended deliveries, package theft, and fraudulent claims by unauthorized recipients. To address these issues, this paper proposes the design and implementation of an Internet of Things (IoT)–based package receiving system that integrates voice recognition, PIN-based authentication, and remote monitoring capabilities. The proposed system employs a voice recognition module as an initial access trigger, followed by a keypad-based PIN verification derived from the package tracking number to enhance access security. A servo-controlled locking mechanism is used to physically open and close the package container, while real-time notifications and remote control are provided through a Telegram bot. The system supports two access modes: local access using voice commands and PIN input, and remote access via Telegram-based commands. System development follows a prototyping approach, and performance evaluation is conducted through functional testing, connectivity testing, and voice recognition accuracy measurements. Experimental results show that the voice recognition module achieves an average recognition accuracy of 74%, with recognition performance decreasing as the distance between the sound source and the microphone increases. Connectivity testing indicates that network latency remains within an acceptable range for distances up to 20 meters. Functional testing confirms that the locking mechanism, authentication process, and notification system operate reliably under defined test scenarios. The results demonstrate that the proposed system can serve as a practical IoT-based solution for improving package reception security and monitoring. However, the system is intended as a supportive security mechanism and does not replace advanced authentication or surveillance systems.
Co-Authors Abdullah Sukri, M Iqbal Acihmah Sidauruk Acihmah Sidauruk Afifah Nur Latifah Anggit Dwi Hartanto Anik Sri Widowati Ariadi, Muhammad Vicri Aziz Muzani, Ma'ruf Bayu Setiaji Bernadhed Bernadhed Bernadhed Bernadhed, Bernadhed Bimantara, Aria Wangsa Budy Satria Danang Wijayanto Danang Wijayanto DHANI ARIATMANTO Dini Erlinawati Elik Hari Muktafin Eny Nurnilawati Fadil Indra Sanjaya Fansyah, Rizki Hanif Fatah Yasin Febri Liantoni Febri Liantoni, Febri Gagah Gumelar Habib Dwi Prajoto Hari Muktafin, Elik Hasyim, Jaka Wardana I Made Artha Agastya Jumanto Unjung Kusrini Majid Rahardi Mohamad Arie Ajharie Muhammad Taufik Hidayat Muhtar Efendi Muktafin, Elik Hari Negara, Putri Abdi Nurcholis, Muhammad Tofa Nurfian Yudhistira Pamungkas, Pantra Rizal Panggih Suseno Raditya Wardhana Retzi Yosia Lewu Rizqi Sukma Kharisma Robert Marco, Robert Saputro, Uyock Anggoro Slamet Slamet Slameto, Andika Agus Sri Wulandari Sumarni Adi Sutarni, Sutarni Uyock Anggoro Saputro Uyock Anggoro Saputro Widdi Djatmiko Wirasakti, Lucky Adhikrisna Yoga Pristyanto Yuliana Rizki Ikhsanty