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All Journal Jurnal Elkolind : Jurnal Elektronika dan Otomasi Industri Jurnal Budi Pekerti Agama Islam Jurnal Ilmiah Nusantara
Nabila Aulia Ramadhani
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Religion Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Languange, Linguistic, Communication & Media Social Sciences

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Peradaban Islam di Asia Tenggara Tri Wantini; Nabila Aulia Ramadhani; Cinta Zahra Dwi Putri Br. Purba; Athalia Dimansyah; Ajeng Dwi Kartika; Ria Suherman; Sirojul Fuadi
Jurnal Budi Pekerti Agama Islam Vol. 3 No. 4 (2025): August: Jurnal Budi Pekerti Agama Islam
Publisher : Asosiasi Riset Ilmu Pendidikan Agama dan Filsafat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jbpai.v3i4.1350

Abstract

Southeast Asia has long held a strategic position in global maritime trade since the pre-Islamic era. Through interactions with Arab, Persian, and Indian merchants, Islam was introduced to the region not through military conquest, but via peaceful and cultural means, particularly through trade and Sufi missionary activities. The Islamization process unfolded gradually, beginning in major port cities such as Samudera Pasai, Malacca, and Gresik, with significant support from local elites. This study employs a qualitative descriptive-analytical approach using library research methods, drawing from historical records, Malay Islamic manuscripts, and recent academic studies. The findings reveal that Islamic civilization in Southeast Asia manifested in the form of Islamic sultanates, traditional Islamic educational institutions (pesantren and pondok), and rich cultural expressions such as arts, literature, and architecture shaped by local aesthetics. This acculturation process gave rise to a moderate, inclusive, and adaptive form of Islam. In the modern era, Islam in this region continues to evolve in response to global challenges through institutional innovation and the contextualization of Islamic values. Therefore, Islam in Southeast Asia is not merely a religious system, but a civilizational force that shapes a distinctive and sustainable regional identity.
PERKEMBANGAN BIAKAN SECARA VEGETATIF Nabila Aulia Ramadhani; Siti Nurainun; Fiza Ikramullah Lubis; Nurul Hasanah
JURNAL ILMIAH NUSANTARA Vol. 2 No. 4 (2025): Jurnal Ilmiah Nusantara Juli
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jinu.v2i4.6089

Abstract

Vegetative propagation is a method of asexual reproduction in plants that allows the propagation of new individuals that are genetically identical to their parents, without the involvement of gametes or seeds.This study aims to explore the concepts, types, applications, advantages, and challenges of vegetative propagation as a method of plant reproduction that does not involve gamete fusion. Using a literature review approach, two main categories are examined: natural vegetative propagation (rhizomes, stolons, tubers, bulbs, root tubers, adventitious buds, and bulbils) and artificial methods (cuttings, layering, grafting, budding, and tissue culture). Each technique offers advantages in accelerating growth, preserving superior genetic traits, and propagating plants that are difficult to reproduce sexually. The application of vegetative propagation is essential in modern agriculture, horticulture, conservation of rare species, and the development of disease-resistant varieties. However, limitations such as genetic uniformity, risk of systemic disease transmission, and high initial costs—especially in advanced techniques like tissue culture—must be considered. Therefore, selecting an appropriate method should align with cultivation goals and resource availability to support sustainable agriculture.
A Pendekatan Extended Kalman Filter untuk Estimasi Keadaan Dinamis pada Generator Sinkron dengan Model Kompleks Nabila Aulia Ramadhani; Arif Gunawan; Syahrizal; Hendri Novia Syamsir; Muzni Sahar
Jurnal Elektronika dan Otomasi Industri Vol. 12 No. 3 (2025): Jurnal Elkolind Vol 12 No 3 (September 2025)
Publisher : Program Studi Teknik Elektronika Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/elkolind.v12i3.8782

Abstract

State information of synchronous generators plays a crucial role in monitoring, control, and fault detection within power systems, yet direct measurement often remains limited. This study proposes a dynamic state estimation method based on the sub-transient model of a synchronous generator combined with the Extended Kalman Filter algorithm. The approach enables accurate state estimation using only terminal measurements, making it suitable for real-time monitoring applications. The algorithm operates through prediction and correction stages that iteratively update the estimated states. Simulation results demonstrate that the proposed method achieves low mean square error values across various operating conditions and disturbance scenarios. The unstable fault case yields the smallest error of 4.41×10⁻⁹, while the combined process and measurement noise scenario results in the largest error of 1.19×10⁻¹. These findings confirm that the proposed approach provides accurate and reliable state estimation for synchronous generator sub-transient models and has strong potential to enhance power system stability and reliability.
Co-Authors Ajeng Dwi Kartika Arif Gunawan Athalia Dimansyah Cinta Zahra Dwi Putri Br. Purba Fiza Ikramullah Lubis Hendri Novia Syamsir Muzni Sahar Nurul Hasanah Ria Suherman Sirojul Fuadi Siti Nurainun Syahrizal Tri Wantini