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All Journal International Journal of Electrical and Computer Engineering JURNAL KIMIA SAINS DAN APLIKASI Jurnal Teknik Elektro Universitas Tanjungpura ELKHA : Jurnal Teknik Elektro Jurnal Teknik Sipil Coding: Jurnal Komputer dan Aplikasi TELKOMNIKA (Telecommunication Computing Electronics and Control) Bulletin of Electrical Engineering and Informatics Journal of Engineering and Technological Sciences Jurnal Edukasi dan Penelitian Informatika (JEPIN) Jurnal Otomasi Kontrol dan Instrumentasi Wood Research Journal : Journal of Indonesian Wood Research Society Wood Research Journal : Journal of Indonesian Wood Research Society Jurnal Nasional Teknik Elektro dan Teknologi Informasi Jurnal Teknologi Lingkungan Lahan Basah Kohesi: Jurnal Sains dan Teknologi Telecommunications, Computers, and Electricals Engineering Journal Journal of Electrical Engineering, Energy, and Information Technology
Seno Darmawan Panjaitan
Tanjungpura University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Public Health Other

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ANALISIS KERAWANAN DAN PENGURANGAN RISIKO BANJIR DI KALIMANTAN BARAT BERBASIS SISTEM INFORMASI GEOGRAFI (SIG) Miharja, Nata; Panjaitan, Seno D; ., Sumiyattinah
Jurnal Teknik Sipil Vol 13, No 2 (2013): Edisi Desember 2013
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtst.v13i2.3517

Abstract

Banjir yang terjadi pada dasarnya merupakanrefleksi fenomena alam dan kerusakan permukaan bumi yang dipercepat olehperbuatan manusia. Banjir pada wilayah Kalbar (Kalimantan Barat) terjadi padasaat musim penghujan dan pasang air laut serta belum tersedianya metodeanalisis kerawanan menggunakan SIG (Sistem Informasi Geografis) yang dapatmemetakan, menganalisis dan merumuskan upaya pengurangan risiko banjir. KewilayahanKalbar mempunyai berbagai bentuk permukaan dan kondisi perubahan lahan sertaiklimnya dengan gambaran daerah yang rentan terhadap banjir. Banjir ini terdiridari banjir kiriman, genangan dan pasang laut (Rob). Dalam studi ini, analisiskerawanan dan pengurangan risiko banjir menggunakan perangkat keras danperangkat lunak dengan data-data dari instansi terkait. Untuk mendapatkantingkatan kerawanan dan indeks kategori pengurangan risikonya digunakan metodeanalisis spasial. Data yang digunakan untuk analisis kerawanan terdiri daritutupan lahan, DEM (Digital ElevationModel), curah hujan, genangan air dan kejadian banjir, sedangkan untuk penguranganrisiko terdiri dari penduduk dan kewilayahan, jumlah bangunan pendidikan dankesehatan, dan peran pemerintah daerah. Hasil studi menunjukkan bahwa daerah-daerahyang memiliki kerawanan banjir terbagi atas empat tingkat kerawanan, yaituaman, rendah, sedang/menengah dan tinggi, sedangkan pengurangan risiko kategoritingkatan ancaman, kerentanan dan kapasitas, terbagi atas tingkatan rendah,sedang/menengah dan tinggi.Kata-kata kunci:      banjir,kerawanan, SIG
Interactive Learning untuk Pengendali PID Berbasis Website Fernandez, Patricia; Hadary, Ferry; Panjaitan, Seno Darmawan
Jurnal Otomasi Kontrol dan Instrumentasi Vol 17 No 2 (2025): Jurnal Otomasi Kontrol dan Instrumentasi
Publisher : Pusat Teknologi Instrumentasi dan Otomasi (PTIO) - Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/joki.2025.17.2.6

Abstract

Conventional learning methods for PID control systems demonstrate weaknesses in concept comprehension effectiveness due to lack of real-time visualization and theory-practice integration. This study aims to develop a web-based interactive learning platform integrating digital simulation with physical experiments using ESP-32. The research method employs Research and Development approach with ADDIE model including literature study, system design, platform implementation, and evaluation through beta testing with 23 Electrical Engineering students. The platform utilizes ESP-32, DC motor, rotary encoder, BTS 7960 driver, and web interface using HTML, Tailwind CSS, and JavaScript for real-time PID parameter control via WebSocket protocol. Evaluation results show average pre-test and post-test score improvement of 34.7% with paired t-test analysis p < 0.01. The platform achieves ±2% measurement accuracy, 45ms communication latency, and 99.2% WebSocket stability. Quality assessment yields feasibility score 4.2/5.0, practicality 4.0/5.0, and effectiveness 4.3/5.0. The platform significantly improves PID control concept understanding compared to conventional methods.
Synthesis and Characterization of Hematite (α-Fe₂O₃) Nanomaterials from Red Mud Using EDTA as Capping Agent Sitorus, Berlian; Manulang, Yunior Arta Arga; Sasri, Risya; Panjaitan, Seno D.
Jurnal Kimia Sains dan Aplikasi Vol 28, No 8 (2025): Volume 28 Issue 8 Year 2025
Publisher : Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jksa.28.8.463-470

Abstract

Hematite (α-Fe2O3) nanomaterials, a stable phase of iron oxide, hold significant potential for diverse materials science and technology applications. In this study, red mud was employed as a low-cost precursor for synthesizing hematite nanomaterials, with ethylenediaminetetraacetic acid (EDTA) used as a capping agent to prevent particle agglomeration. The effect of EDTA on particle size and colloidal stability was investigated by comparing three synthesis variations: (a) without EDTA (NPH-1), (b) with EDTA via the precipitation method (NPH-2), and (c) with EDTA via the hydrothermal method (NPH-3). XRD analysis confirmed the formation of crystalline hematite (α-Fe2O3) in all samples. FT-IR spectroscopy revealed absorption bands at 1624 cm−1 and 1382 cm−1, corresponding to the symmetric and asymmetric stretching vibrations of the carboxylate (COO−) group, respectively. The difference in these wavenumbers suggests monodentate coordination between the carboxyl groups of EDTA and the hematite nanoparticle surfaces. Particle size analysis indicated that the EDTA-assisted synthesis via precipitation (NPH-2) produced the smallest average particle size (149.6 nm) with a narrow size distribution, as reflected by a polydispersity index (PDI) of 0.43. Furthermore, this sample demonstrated enhanced colloidal stability with a zeta potential of −34.0 mV. These findings suggest that the synthesized α-Fe2O3 nanomaterials produced with narrow particle size distribution and high colloidal stability, are promising for visible-light photocatalysis.
Co-Authors -, Syaifurrahman . Agato Alfeus Sunarso Alfine, - Aryanto Hartoyo Aryanto Hartoyo Aryanto Hartoyo Berlian Sitorus Budi Aryanto Dominikus Sulistiono Elang Derdian Marindani Eva Faja Ripanti Farah Diba Fernandez, Patricia Firduansyah, Gusti Frizky, Muhammad Revaldi Gunawan Widodo Hadary, Ferry Hadary, Ferry Halasan Sihombing Hendro Priyatman, Hendro Hermawan, Eki Herry Sujaini Iman Syahrizal Jatmiko, Eko King, Borni Florus Maharani, Suci Managam Managam Manulang, Yunior Arta Arga Muhamad, Aidil Muhammad Irfan Muhammad Saleh Nata Miharja Novianda Fratama Nugraha, Ananggirieza Nur Hayati Pontia W, F. Trias Pramudya, Iqbal Purwo Harjono Rudi Kurnianto Rudi Kurnianto Rudy Gianto, Rudy Sanjaya, Bomo W Sanjaya, Bomo Wibowo Sanjaya, Bomo Wibowo Sari, Asri Fornika Sasri, Risya Setiawati, Firsta Zukhrufiana Suhendra, - Sukandar Sukandar Supriono Supriono Supriono Tamaulina Br Sembiring Tsuyoshi Yoshimura Yandri . Yandri Yandri