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All Journal International Journal of Electrical and Computer Engineering ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika INDONESIAN JOURNAL OF PHARMACY Journal of Information System Civis: Jurnal Ilmiah Ilmu Sosial dan Pendidikan Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) Jurnal Ilmu Keluarga dan Konsumen BERDIKARI : Jurnal Inovasi dan Penerapan Ipteks Farmasains : Jurnal Ilmiah Ilmu Kefarmasian JRST (Jurnal Riset Sains dan Teknologi) JITK (Jurnal Ilmu Pengetahuan dan Komputer) JURNAL MANAJEMEN INDUSTRI DAN LOGISTIK PROCESSOR Jurnal Ilmiah Sistem Informasi, Teknologi Informasi dan Sistem Komputer Jurnal Ilmiah Media Sisfo PHARMACY: Jurnal Farmasi Indonesia (Pharmaceutical Journal of Indonesia) Jurnal Teladan: Jurnal Ilmu Pendidikan dan Pembelajaran JFIOnline Jurnal Ilmu Kefarmasian Indonesia INTEK: Jurnal Penelitian Accounting and Management Journal Indonesian Journal of Electrical Engineering and Computer Science Jurnal Teknik Industri Terintegrasi (JUTIN) Jurnal Teknik Informatika (JUTIF) Journal of System and Computer Engineering Tafkir: Interdisciplinary Journal of Islamic Education Narra J Jurnal Media Informatika Akuntansi Bisnis & Manajemen (ABM) Unram Journal of Community Service (UJCS) Jurnal Akutansi Manajemen Ekonomi Kewirausahaan (JAMEK) Jurnal Fortech Journal of International Conference Proceedings Journal of Artificial Intelligence and Digital Business Mestro Jurnal Informatika dan Rekayasa Komputer Jurnal Manajemen Teknologi dan Sistem Informasi Economic: Journal Economic and Business Scientific Journal of Informatics Jurnal Kefarmasian Indonesia Jurnal Pengabdian Masyarakat Unama Nucleus Journal Jurnal Sains dan Kesehatan Jurnal FORTECH
Agus Siswanto
Fakultas Farmasi Universitas Muhammadiyah Purwokerto
Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry 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 Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Transportation Other

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Peramalan Beban Listrik Harian di Kota Ternate Menggunakan ELM Ilyas, Andi Muhammad; Rahman, Muhammad Natsir; Aswat, Aldi; Syamsuddin, Faris; Suparman, Suparman; Ashad, Bayu Adrian; Siswanto, Agus
Journal of System and Computer Engineering Vol 7 No 1 (2026): JSCE: January 2026
Publisher : Universitas Pancasakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61628/jsce.v7i1.2465

Abstract

The continuously increasing growth of electricity demand necessitates accurate and systematic planning of electric power systems to ensure power flow quality and system reliability. Ternate City, as one of the major activity centers in North Maluku Province, has experienced a substantial rise in electricity consumption, thereby requiring an effective and reliable load forecasting approach. This study aims to predict the daily electricity load in Ternate City using the Extreme Learning Machine (ELM) method. The analysis is conducted using historical electricity load data, which are processed through data preprocessing stages, dataset partitioning into training and testing sets, and ELM-based modeling. The performance of the proposed model is evaluated using the Mean Absolute Percentage Error (MAPE). The results indicate that the MAPE values for the training dataset range from 5.84% to 13.63%, corresponding to very good to good performance categories. Meanwhile, the testing dataset yields MAPE values ranging from 13.45% to 33.09%, which fall within the good to sufficient performance categories. Furthermore, the prediction results are able to accurately capture daily electricity load fluctuation patterns from Monday to Sunday, including peak load periods. Based on these findings, the ELM method demonstrates strong potential as a reliable approach to support electric power system planning and to enhance the quality and reliability of electricity supply in Ternate City.
Identification of critical buses in the Sulbagsel electrical system network integrated with wind power plants Ilyas, Andi Muhammad; Siswanto, Agus; Rahman, Muhammad Natsir
International Journal of Electrical and Computer Engineering (IJECE) Vol 16, No 2: April 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v16i2.pp587-597

Abstract

The growing deployment of renewable energy has become increasingly important as conventional fossil-based generation faces sustainability and resource limitations. On Sulawesi Island, Indonesia, wind energy contributes to the regional grid through several wind power plants, whose fluctuating generation introduces operational concerns for system stability. This study investigates the stability performance of the Sulbagsel 78-bus network by pinpointing vulnerable buses and examining the effects of wind power variability. A hybrid stability index (HSI), which integrates multiple stability indicators, is applied to obtain a more robust assessment. The analysis shows that the entire system operates within a secure margin, with all index values remaining below the critical limit (<1). The most sensitive areas are located on the transmission paths connecting Bus 56 Sidera–Bus 57 Sidera 70 kV (0.02268), Bus 38 Bosowa–Bus 40 Pangkep (0.02220), and Bus 73 Powatu 150 kV–Bus 74 Powatu 70 kV (0.02187). In contrast, the Bus 24 Tanjung Bunga–Bus 25 Bontoala corridor demonstrates the strongest stability margin (0.00026). These results indicate that the variability of wind generation does not impose significant negative impacts on the overall stability of the Sulbagsel power system.
Strategies for developing competitive advantage to increase customer satisfaction in the logistics business in Indonesia Ramadhan, Mhd; Efendi, Efendi; Siregar, Robert Tua; Saragih, Randika; Siswanto, Agus
Economic: Journal Economic and Business Vol. 5 No. 2 (2026): ECONOMIC: Journal Economic and Business
Publisher : Lembaga Riset Mutiara Akbar (LARISMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56495/ejeb.v5i2.1573

Abstract

This study aims to analyze competitive advantage development strategies to improve customer satisfaction in the logistics business in Indonesia. Increasingly fierce competition demands logistics companies to be able to create superior value through service quality and customer value. This study uses a quantitative approach with a survey method of logistics service users, with data collection through an online questionnaire. The variables studied include service quality, customer value, competitive advantage, and customer satisfaction. Data analysis was conducted using the Structural Equation Modeling (SEM) method to test the relationship between variables. The results show that service quality and customer value have a positive and significant effect on competitive advantage. In addition, service quality, customer value, and competitive advantage also have a positive and significant effect on customer satisfaction. These findings indicate that improving service quality and creating customer value can effectively enhance a company's competitive advantage. A strong competitive advantage will impact on increasing customer satisfaction with the services received. Therefore, logistics companies need to continue to develop strategies that focus on improving service quality and customer value to maintain competitiveness and increase customer satisfaction sustainably.
OPTIMASI TABLET FLOATING TEOFILIN MENGGUNAKAN METODE DESAIN FAKTORIAL siswanto, agus; Hapsari, Indri; zulaikha, yusni ulfiani; rosmawati, eva
Farmasains : Jurnal Ilmiah Ilmu Kefarmasian Vol. 3 No. 1 (2016)
Publisher : Universitas Muhammadiyah Prof. DR. HAMKA

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Abstract

ABSTRACTTheophylline is a drug used in the management of asthma. It has relatively short half-life and narrow therapeutic index with 5-20 μg/mL serum concentration. Thus, Floating tablet formulations that can increase the bioavailability of the drug. The aims of this study were to determine the effect of the excipient (HPMC K4M CR and NaHCO3) to the quality of tablets and determine the optimum formula of theophylline floating tablet. A 22 randomized factorial design was used in development of theophylline floating tablet with HPMC K4M CR (A) and NaHCO3 (B) as independent variables.The flowability of mass tablet, floating character, and dissolution profile were chosen as dependent variables.The results showed that NaHCO3 was the most important factor on increasing flowability of mass tablet. HPMC K4M CR was the dominant factor in lowering the Flag time, improving integrity of the tablet, and decreasing the release of drug. The composition of HPMC K4M CR 40.00 mg and NaHCO3 35.39 mg produced the optimum formula of theophylline floating tablet with desirability value of 0.978.
Co-Authors Abda Abda Abdul Choliq Hidayat Abdul Manan Abdul Rahim Abdul Rosyid Abidin, Dodo Zaenal Achmad Fudholi Achmad Fudholi ACHMAD FUDHOLI Adithya Wahyu Pratama, Adithya Wahyu Afrizal Nehemia Toscany Aftoni Sutanto Ahmad Husain Asdie Ajrania, Sri Akhir Riana Handayani, Akhir Riana Akhmad Kharis Nugroho Albait, Nur Aldiansyah, m. Ali Sadikin Amrullah, Bagaskara Falah Anjar Mahardian Kusuma Annisa, Tiko Nur Arvita, Yulia Ashad, Bayu Adrian Asmiyenti Djaliasrin Djalil Aswat, Aldi Baedhowi, Abdul Latif Bayu Adrian Ashad Beny Betantiyo , Betantiyo Chindra Saputra Diah Krisnatuti Diniatik Dodit Ari Wibowo, Dodit Ari Dwi Hartanti Dwi Rahayuningsih E. Mudjaddid A. Siswanto Deddy N.W.Achadiono Hamzah Shatri Efendi Efendi Emelia, Shinta Endang Prihastuty, Endang Erfan Subiyanta, Erfan Errissya Rasywir Euis Sunarti eva rosmawati Eva Rosmawati Evi Sofia Fachruddin Fatimah Malini Lubis Fauziati, Ana Febri Feranika, Ayu Feriyadin, Feriyadin Fiastuti Witjaksono G. Gunawan Gustina Nurkhayatun, Gustina Hady, Sultan Hambari, Hambari Hariadi Hariawan Hartati, Dita Nur Hartati Heikal, Jerry Hermawan, M. Reza Herti Yani, Herti Hery Sonawan Hidayat, Abdul Choliq Himawanti, Nanda Puspita Imam Baihaqi Imam Subekti Indri Hapsari Indri Hapsari Irawan Irawan Iskandar Soedirman, Iskandar Iskandar Sudirman Istighfarani, Syifa Jasmir Jasmir, Jasmir Junial Heri Khasanah, Fitria Nurrul Kuntjoro Harimurti Lola Yorita Astri, Lola Yorita Machrus Ali Megantara, Marcelino A. Mhd Ramadhan Moeslich Hasanmihardja Mucharomah, Nurul Maghfiroh MUHAMMAD FURQONI musthofa Mutiara Poetri Nurtanti, Mutiara Poetri Nasrun, Martina W. Naufal, Mansur Nunuk Aries Nurulita OPHELIA, CHANDY PAMUSO, MARLIN Paramitha, Cindy Pareza Alam Jusia, Pareza Alam Pebrianto, Feri Prayitno Prayogo, Lito Pri Iswati Utami Purnomo, Luthfan Budi Qiptiah, Deva Aldina Maria Qiptiah Rahayu, Wiranti Sri Rahayu Rahman, Muhammad Natsir Rahmawati, Tias Eka Rasywir, Errisya Reza Pramitha Habsari, Reza Pramitha Ricky Fajar Adiputra Rizana Fauzi, Rizana Rizki Okprastowo Robert Tua Siregar rohadin, rohadin Rosalina, Mia Rosario, Maria rosmawati, eva rosmawati, eva Rosyadi, Marwan RR. Ella Evrita Hestiandari Rudi Putranto Rustiawan, Indra S.Kom.,M.Pd, Arifudin Saragih, Randika Setiawan, Zunan Siregar, Arief Kurniawan Siti Helmyati Siti Setiati Sofiansyah, Muhammad Edi Sudibyo Martono Sudibyo Martono SUDIBYO MARTONO Suhendro Suwarto, Suhendro Suparman Suparman Suparman Suparman Suryadi, Dikky Sutanto , Aftoni Sutoyo, Mochammad Arief Hermawan Suyanti Suyanti Suyanti Suzanna Immanuel Syamsuddin, Faris Tohasan, Achmad W. Djoko Yudisworo Wachyu Hari Haji Wardani , Muhammad Wardani, Muhammad Wasiran, Wasiran Wibawa, Arief Wibowo, Indi Deli Fiallo Widya Cahya Ariswati, Widya Cahya Wulansari, Eka Yafi, Zidni Reynard Yekti Mulyani, Yekti Yovi Pratama Yuli Asmi Rahman Yuni Ernawati, Yuni yusni ulfiani zulaikha Yusni Ulfiani Zulaikha zulaikha, yusni ulfiani zulaikha, yusni ulfiani