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Optimization of renewable energy utilization in hybrid power systems to achieve sustainable national energy resilience Pratolo Rahardjo; Dedi Umar
Journal Scientific of Mandalika (JSM) e-ISSN 2745-5955 | p-ISSN 2809-0543 Vol. 7 No. 3 (2026)
Publisher : Institut Penelitian dan Pengembangan Mandalika Indonesia (IP2MI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/10.36312/vol7iss3pp472-477

Abstract

This study examines the optimization of renewable energy utilization in hybrid power generation systems to achieve sustainable national energy security in Indonesia. The research is motivated by increasing energy demand, the depletion of fossil fuel reserves, and commitments to carbon emission reduction. It highlights major challenges in integrating renewable energy into conventional power systems, including limited grid infrastructure, high initial investment costs, the intermittency of sources such as solar and wind, and constraints in energy storage technologies. The study employs a library research approach by analyzing primary and secondary data from scientific books, national and international journal articles, energy agency reports, and case studies of hybrid system implementation in several regions of Indonesia. The findings indicate that Indonesia possesses abundant renewable energy resources—such as solar, wind, hydro, and biomass—which, if effectively integrated into hybrid systems, can enhance electricity supply reliability, reduce dependence on fossil fuels, and strengthen national energy security. The study concludes that developing renewable energy–based hybrid power plants is a key strategy for achieving long-term energy resilience and supporting sustainable development in Indonesia.
Integration of IoT in Wearable Devices for Health Monitoring: Challenges and Potentials in the Field of Electrical Engineering Pratolo Rahardjo
Jurnal Ar Ro'is Mandalika (Armada) Vol. 5 No. 3 (2025): JURNAL AR RO'IS MANDALIKA (ARMADA)
Publisher : Institut Penelitian dan Pengembangan Mandalika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59613/armada.v5i3.5618

Abstract

The Internet of Things (IoT) has become a major driver in technological transformation, including in wearable devices for health monitoring. The background of this research is based on the increasing need for a real-time, effective, and data-driven health system. The purpose of this study is to explore the challenges and potential of IoT integration in wearable devices, especially in the field of electrical engineering. The method used is a literature study with a content analysis approach to identify patterns and themes from related academic sources between 2018 and 2023. The results show that IoT-based wearable devices can improve the quality of healthcare by integrating sensor technology, communication modules, and artificial intelligence. However, some significant challenges, such as data security, energy consumption, and device interoperability, need to be addressed to drive widespread adoption of the technology. Blockchain is proposed as a potential solution to security concerns, while 5G offers greater bandwidth for data efficiency. This study provides important insights for the development of IoT-based wearables as a key element in modern health management.