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All Journal J-Sil (Jurnal Teknik Sipil dan Lingkungan) MEDIA KONSERVASI Jurnal Bahtera - Jurnal Pendidikan Bahasa dan Sastra Indonesia Widya Winayata: Jurnal Pendidikan Sejarah Diponegoro Journal of Accounting Jurnal Keteknikan Pertanian Rekursif: Jurnal Informatika Jurnal Pseudocode FLYWHEEL : Jurnal Teknik Mesin Untirta Jurnal Pengabdian Kepada Masyarakat Universitas Bangka Belitung Turbo : Jurnal Program Studi Teknik Mesin IT JOURNAL RESEARCH AND DEVELOPMENT Machine : Jurnal Teknik Mesin IJEMS (Indonesian Journal of Environmental Management and Sustainability) At-Tawassuth: Jurnal Ekonomi Islam Dharma Raflesia : Jurnal Ilmiah Pengembangan dan Penerapan IPTEKS Report of Biological Education Technologic International Journal of Social Science, Educational, Economics, Agriculture Research, and Technology (IJSET) MACHINERY: Jurnal Teknologi Terapan Jurnal Teknologi Informasi Cyberku CELEBES Agricultural Borobudur Informatics Review Dharma Pengabdian Perguruan Tinggi (DEPATI) Electrician : Jurnal Rekayasa dan Teknologi Elektro APPA : Jurnal Pengabdian Kepada Masyarakat Polygon: Jurnal Ilmu Komputer dan Ilmu Pengetahuan Alam
Yudi Setiawan
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Aplikasi Sistem Pembayaran Administrasi Sekolah Berbasis Web di SMPI Nurush Shodiqin Amelia Putri; Misnawati Misnawati; Yudi Setiawan; Wasis Haryono
Polygon : Jurnal Ilmu Komputer dan Ilmu Pengetahuan Alam Vol. 3 No. 1 (2025): Polygon : Jurnal Ilmu Komputer dan Ilmu Pengetahuan Alam
Publisher : Asosiasi Riset Ilmu Matematika dan Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62383/polygon.v3i1.329

Abstract

An effective school payment system will trigger the performance of the agency to be better than before. Web-Based School Administration Payment System Application at SMPI Nurush Shodiqin, In the world of education, an efficient and integrated administration system is very important to maintain the smooth running of academic and management processes, including data management of students, teachers, and school management. Nurush Shodiqin Islamic Junior High School (SMPI), as one of the educational institutions in the region, experiences problems in administrative management. The administration system used is still manual, especially in terms of recording student data, recapitulating grades, and paying tuition fees. This causes various problems such as data input errors, loss of important records, and delays in delivering information to related parties. . Therefore, the implementation of a Web-based Administration System at SMPI Nurush Shodiqin is a relevant solution. This system is expected to be able to overcome existing problems and improve the quality of school administration services. With a web-based system, it is expected that the administration process can be carried out more quickly, accurately, and transparently.
Monitoring Land Use and Land Cover Using Remote Sensing Technology in Kubu Raya Regency, West Kalimantan Province Nur Rahmadhanti, Intan; Salsabila Nur'Aini; Herni Natasha Aulia; Muhammad Ikhwan Ramadhan; Hanum Resti Saputri; Abd Malik A Madinu; Ali Dzulfigar; Rahmat Asy'Ari; Rahmat Pramulya; Yudi Setiawan
CELEBES Agricultural Vol. 5 No. 1 (2024): CELEBES Agricultural
Publisher : Faculty of Agriculture, Tompotika Luwuk University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52045/jca.v5i1.867

Abstract

Kubu Raya Regency is one of the areas that has a peat ecosystem in it. The peat ecosystem has a role and function in mitigating climate change because it has the ability to store quite high carbon reserves. However, peat ecosystems often experience degradation and changes in land cover which can contribute carbon emissions to the atmosphere. Remote sensing is a technology that can be used to detect changes in land cover and use in Kubu Raya Regency. Therefore, this research aims to detect changes in land cover and using remote sensing technology and assess the level of accuracy of the detection results. Analysis of changes in land cover and use from 2000 - 2023 was obtained by guided classification using the Random Forest (RF) algorithm which involves various vegetation, water and built-up land indices. The research results show that there is a decrease in forest land area from 2000 to 2023 amounting to 106,542 ha. The forest area in 2000 was 524,359 ha, while in 2023 it will be 417,817 ha. The results of accuracy measurements show an overall accuracy (OA) value of 98.84% with a kappa statistic of 0.98. It is hoped that the results of these findings will provide an initial picture of the condition of the ecosystem in Kubu Raya Regency, most of which is a peat ecosystem, as a consideration in formulating peat ecosystem conservation policies.
Dynamic Change of Mangroves in Aceh Tamiang Regency using Landsat Temporal Data, 2000 to 2023 Marfi, Khairani Putri; Asy'Ari, Rahmat; Azelia Dwi Rahmawati; Ali Dzulfigar; Aulia Ulfa; Puspitasari, Raditya Febri; Yudi Setiawan; Neviaty P Zamani; Rahmat Pramulya
Media Konservasi Vol. 30 No. 2 (2025): Media Konservasi Vol 30 No 2 May 2025
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/medkon.30.2.344

Abstract

Mangroves, known for their high productivity, play vital roles in physical, ecological, and economic aspects that benefit human life. However, these ecosystems are currently threatened by climate change and human activities. To address this challenge, Indonesia aims to rehabilitate 600,000 hectares of mangroves by 2024. Effectively monitoring changes in mangrove dynamics is crucial for achieving this goal. This study focuses on understanding the dynamic change of the mangrove land cover in Aceh Tamiang from 2000 to 2023. Mangrove dynamics in Aceh Tamiang are important because it has the largest mangrove area in East Aceh, which is decreasing due to conversion to the oil palm industry. The classification using random forest (RF) algorithm by utilizing VWB-IC (Vegetation-Water-Built-up Index Combined), which area NDVI, SAVI, ARVI, GNDVI, SLAVI, and EVI as vegetation indices; MNDWI and ANDWI as water indices; and NDBI as built-up index. The employment of this combination is necessary to enhance the accuracy of classification due to the addition of more input parameters to machine learning. The image data are acquired through Landsat 5 for 2000 and 8 and 9 satellites for 2023. The observed dynamics include mangroves transitioning into fishponds (768 ha) and plantations (2,679 ha) between 2000 and 2023. The processed data indicates a decrease in the Aceh Tamiaang mangrove area from 13,270 ha in 2000 to 9,386 ha in 2023. These results can be used to determine mangrove rehabilitation policies in Aceh Tamiang, Indonesia.
RANCANG BANGUN MESIN PENCACAH SAMPAH ORGANIK Muhammad Nurdiansyah; saparin; Yudi Setiawan; Eka Sari Wijianti
MACHINERY Jurnal Teknologi Terapan Vol. 4 No. 2 (2023): Machinery: Jurnal Teknologi Terapan
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.8048925

Abstract

This research is about designing an organic waste-shredder machine. The aims are to calculate the production capacity and efficiency of the machine. Machine dimensions are: length, width, and height are 1035 mm, 320 mm, and 955 mm respectively. There are three types of blades; chopping blades, fixed blades, and pulling blades. There are four blades for the chopper, with dimensions of 240 mm in length, 50 mm in width, and 50 mm in thickness. The distance of the shredder blade to the fixed blade is 2 mm. The angle of the shredder blade is 20 degrees. The internal combustion engine with a power of 7 PK is used to drive the shaft. The criterion for successful enumeration was the maximum size of 4 cm. The machine capable of chopping using twigs of ketapang is 103.29 kg/hour and the coconut midrib is 282.96 kg/hour. Machine production efficiency using twigs of ketapang is 88.83% and coconut midrib is 76.4%.
Perancangan Aplikasi Augmented Reality Buku Koleksi Benda Bersejarah Sebagai Media Informasi Interaktif Dan Media Promosi (Studi Kasus : Museum Negeri Bengkulu) Ajei Ibnu Rahmat; Desi Andreswari; Yudi Setiawan
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 16 No. 1 (2022)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Pemanfaatan teknologi dapat membantu museum dalam upaya pelestarian koleksi benda bersejarah serta memudahkan museum dalam penyampaian informasi. Museum Negeri Bengkulu merupakan bangunan yang telah menyimpan dan melestarikan 6.150 koleksi bersejarah di provinsi Bengkulu yang memiliki banyak nilai-nilai sejarah dan budaya. Teknologi augmented reality merupakan sebuah teknologi yang dapat digunakan dalam membantu museum untuk memperkenalkan, melestarikan dan memamerkan benda bersejarah. Metode marker-based tracking merupakan salah satu metode dalam teknologi augmented reality. Metode ini, memanfaatkan sebuah barcode/pattern atau marker yang selanjutnya akan di deteksi oleh kamera untuk kemudian sistem akan melakukan tracking terhadap posisi benda digital berdasarkan posisi marker. Pemanfaatan teknologi augmented reality pada museum dilihat dapat membantu upaya memperkenalkan, melestarikan dan memamerkan warisan benda bersejarah secara interaktif. Pada penelitian ini telah dihasilkan sebuah aplikasi augmented reality museum bengkulu dengan menggunakan metode marker-based tracking sebagai media informasi interaktif. Aplikasi ini dapat menampilkan informasi secara interaktif dengan adanya mediamedia visual seperti objek 3D, audio, video, gambar dan text. Aplikasi ini juga dapat digunakan sebagai media promosi Museum Negeri Bengkulu dan koleksi benda bersejarah berdasarkan hasil pengujian efektifitas media promosi dengan menggunakan pendekatan EPIC model dalam sebuah kuisioner pada 45 responden. Aplikasi yang dibangun telah di uji dan dinyatakan layak berdasarkan hasil pengujian dengan metode black-box testing dan white-box testing. Kata kunci : Augmented Reality, AR Museum Bengkulu, Android, Media Informasi Interaktif, Media Promosi, Museum Negeri Provinsi Bengkulu
Sustainable Alternatives for Chemical Waste Management in Testing and Calibration Laboratory Wulandari, Ranti; Zaenal Abidin; Yudi Setiawan; Putri Nur Angelina
Indonesian Journal of Environmental Management and Sustainability Vol. 10 No. 2 (2026): June
Publisher : Magister Program of Material Science, Graduate School of Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2026.10.2.145-157

Abstract

Laboratory waste represents a growing global concern due to its potential impacts on environmental quality, human health, and safety when improperly managed. At IPB University, laboratory activities generate up to 5 tons of wastewater per month, emphasizing the need for effective and sustainable waste management strategies. This study proposes a structured gap-to-roadmap framework for independent chemical waste management in testing and calibration laboratories. The framework integrates criteria-based gap analysis, a literature-derived waste minimization checklist, and phased implementation planning. Data were collected through semi-structured interviews and literature review and analyzed using a qualitative, criteria-based approach. The results indicate that the PPLH IPB Laboratory generates approximately 100–481 L of chemical waste annually. While several minimization practices have been implemented, key gaps remain in standard operating procedures, labeling systems, temporary storage, and recovery and recycling practices. The checklist analysis further identifies feasible strategies, including solvent recycling and inter-laboratory chemical exchange, with significant potential for waste reduction and improved resource efficiency. The proposed framework translates identified gaps into targeted actions and assigns them into short-, medium-, and long-term implementation phases. This approach provides a practical and replicable tool for laboratories seeking to transition toward independent, compliant, and environmentally sustainable waste management systems, particularly in resource-constrained settings.
MULTITEMPORAL ANALYSIS OF MANGROVE LAND COVER CHANGES IN CILACAP COASTAL AREA USING RANDOM FOREST ALGORITHM (2019–2024) Abdul Halim Siregar; Dodik Ridho Nurrochmat; Yudi Setiawan
International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET) Vol. 5 No. 4 (2026): MARCH
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.19485071

Abstract

The mangrove area of ​​6,286.80 hectares, managed by KPH Banyumas Barat on the coast of Cilacap Regency, faces various anthropogenic pressures, including land conversion to fishponds, residential expansion, and port or fishing infrastructure. However, comprehensive studies on the temporal dynamics of mangrove land cover change in this area remain very limited, even though this information is essential for formulating effective conservation and management strategies. This study aims to examine the multitemporal dynamics of mangrove land cover change (2019–2024) in KPH Banyumas Barat, Cilacap Regency, using a machine learning approach that combines Sentinel-2 imagery, multispectral vegetation indices, and Random Forest classification on the Google Earth Engine platform. The results show a decline in mangrove cover of 533.6 ha over the 2019–2024 period. Two phases of change were identified: during 2019–2022, mangrove area showed an increasing trend of 46.4 ha, while during 2022–2024, mangrove area decreased by 580.1 ha due to both natural and anthropogenic processes, which may weaken the ecological functions of the area, reduce coastal protection against abrasion, and threaten the livelihoods of coastal fishing communities whose income depends directly on the productivity of the mangrove ecosystem.
Co-Authors Aan Erlansari Aan Erlansari Abd Malik A Madinu Abdul Halim Siregar Afid Nuryadi Agus Ponco Ahmad Mustofa Ajei Ibnu Rahmat Ali Dzulfigar Amelia Putri Angga Nurwanto Anosa Putri Ruise Arie Vatresia Arif Kurnia Wijayanto Asahar Johar Asep Suheri Aswin Rahadian Asy'Ari, Rahmat Aulia Ulfa Azelia Dwi Rahmawati Azizah Nur Islam Al Rosyid Boby Putra Perdana Boko Susilo Citra Putri Perdana Danik Septianingrum Desi Andreswari Desi Andreswari Dimas Anugrah H.A Diyah Puspitaningrum Dodik Ridho Nurrochmat Doni Pranata Edi Irwan EKA SARI Eka Sari Wijiaanti Eka Sari Wijianti Eka Sari Wijianti Eka Sari Wijiyanti Endang Widi Winarni Erwin Nandes Etna Nur Afri Yuyetta Gilang Yulianta Hanum Resti Saputri Harry Imantho Haryono, Wasis Helsi Tia Vermala Herni Natasha Aulia I Wayan Astika I Wayan Pardi Ibnu Dinar Impron Irfan Wahyudi Iwan Giri Waluyo Julia Purnama Sari Ketut Sedana Arta Ketut Wikantika Kikin Hamzah Muttaqin Kurnia Anggriani LILIK BUDIPRASETYO M. Sidqi Albadawi. Malta Daerangga Marfi, Khairani Putri Misnawati Misnawati Misnawati. Moh Yanuar J Purwanto Muhammad Agus Muljanto Muhammad Buce Saleh Muhammad Ikhwan Ramadhan MUHAMMAD ILHAM Muhammad Irfan Septiyanda Muhammad Nurdiansyah Nabila Nadiya Khairunisa Neviaty P Zamani NEVIATY PUTRI ZAMANI Nur Rahmadhanti, Intan Oxa Aspera Endiviana Oxa Aspera Endiviana Pramulya, Rahmat Puspitasari, Raditya Febri Putri Nur Angelina R. Priyoko Prayitnoadi Rahmat Asy'ari Rahmat Asy’ari Resi Tri Utami Sahid Hudjimartsu Salsabila Nur'Aini Saparin, Saparin Selvianing Tiyas Slamet Widodo Sugiarto Sri Dadi Suhdi Suhdi Suhdi, Suhdi Sultan Arkar Syahrul Gunawan Taufiq Yuliawan Usnil Khotimah Utama, Ferzha Putra Verawati Ayu Lestari Wildan Maynardy Wicaksono Wiwik Handayani Wulandari, Ranti Zaenal Abidin