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All Journal Jurnal Informatika dan Teknik Elektro Terapan Jurnal Teknik Elektro dan Komputer TRIAC International Journal of Science, Engineering and Information Technology JTEIN: Jurnal Teknik Elektro Indonesia JEECS (Journal of Electrical Engineering and Computer Sciences) Jurnal Pemberdayaan Masyarakat dan Komunitas
Fahmi, Monika Faswia
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Religion Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences

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Design of an Off – Grid Solar Power System for the Shashi Baby and Kids Food Industry in Bukittinggi Laksono, Dedi Tri; Laksono, Deni Tri; Fahmi, Monika Faswia; Dodi, Nofri
International Journal of Science, Engineering, and Information Technology Vol 8, No 2 (2024): IJSEIT Volume 08 Issue 02 31 July 2024
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/ijseit.v8i2.27181

Abstract

The transition to renewable energy is increasingly important in addressing global energy demands and environmental issues. Solar energy has emerged as a sustainable option, particularly for small and micro businesses that often face challenges related to energy supply and costs. Shashi Baby and Kids Food, a micro – enterprise producing baby food, can benefit from an off – grid solar power system to support its operational needs, especially lighting during the night. The system design involves analyzing energy requirements, selecting solar panels, batteries, inverters, and simulating the system using PVsyst software to optimize performance. This system is designed to support operations with nine lamps for 12 hours a day, generating sufficient energy and ensuring adequate storage. Simulation results show that the system has a performance ratio (PR) of 75.86% and a solar fraction (SF) of 99.82%, indicating high efficiency and nearly fully meeting energy needs through solar power. Although there is a slight decrease in SF in December, this system design has proven to be efficient and reliable in supporting business operations. Further analysis reveals that the annual energy production reaches 1451 kWh, with specific production of 1210 kWh per kWp, confirming that this system can generate significant energy for the operational needs of the business.
Simulasi Kendali Sistem Suspensi Aktif Kendaraan Roda Empat Menggunakan Metode Full State Feedback dan PID Fahmi, Monika Faswia; Laksono, Deni Tri
Jurnal Teknik Elektro dan Komputer TRIAC Vol 9, No 2 (2022): Special Edition
Publisher : Jurusan Teknik Elektro Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/triac.v9i3.17645

Abstract

Tujuan mendasar sistem suspensi adalah untuk meredam kejutan dan getaran kendaraan akibat permukaan jalan yang tidak rata, dengan harapan meningkatkan kenyamanan dan keamanan saat berkendara. Suspensi yang dimodelkan pada sistem ini adalah jenis suspensi aktif, yaitu memiliki kemampuan merespon perubahan vertikal pada input jalan seperti lubang (pothole) dan gundukan (bump). Penelitian ini membahas pemodelan quarter sistem suspensi aktif dari kendaraan roda empat, pembentukan fungsi alih dan persamaaan ruang status, serta pengendalian menggunakan metode full state feedback  dan PID. Berdasarkan hasil simulasi di MATLAB 2015, respon close loop sistem saat pengujian metode full state feedback dengan gangguan jalan berupa gundukan sebesar 0,1 m, menunjukkan osilasi  dan settling time sebesar . Sedangkan menggunakan kendali PID menunjukkan hasil, osilasi  dengan settling time sebesar . Dengan begitu, dapat disimpulkan kendali PID lebih cepat melakukan performa peredaman suspensi meskipun diawali amplitudo defleksi roda yang cukup besar.
Design And Construction Of Cocoa Bean Drying Equipment For Regulating Water Content Using The Fuzzy Method Saputro, Adi Kurniawan; Iyabu, Sissy Rahmatia; Purnamasari, Dian Neipa; Ulum, Miftachul; Ubaidillah, Achmad; Fahmi, Monika Faswia
Jurnal Teknik Elektro Indonesia Vol 6 No 2 (2025): JTEIN: Jurnal Teknik Elektro Indonesia
Publisher : Departemen Teknik Elektro Fakultas Teknik Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jtein.v6i2.722

Abstract

Indonesia is one of the largest cocoa-producing countries, exporting much of its cocoa to Japan, China, and Malaysia. The export standard for dried cocoa beans is a maximum moisture content of 7%. Traditional sun drying methods in Indonesia do not consistently achieve this standard. Therefore, a cocoa bean dryer using the Mamdani type fuzzy method was designed to control moisture content. This dryer features heaters regulated by dimmers and sensors that monitor temperature and humidity in the drying chamber. The ESP32 microcontroller processes the sensor data and connects to the Internet for control and monitoring via Blynk software, enabling more efficient and faster drying compared to traditional methods. Testing showed the dryer functions as intended. Temperature sensor tests indicated minor variations between sensor and thermogun readings, with an average sensor reading of 42.3°C, thermogun reading of 42.5°C, an average error of 0.4°C, and a 1% error percentage. Humidity sensor tests revealed similar consistency, with an average sensor reading of 46.5%, hygrometer reading of 46.2%, an average error of 0.3%, and a 0.53% error percentage. Load cell tests showed an average sensor reading of 0.32 kg compared to a digital scale reading of 0.33 kg, with an average error of 0.01 kg and a 5.34% error percentage. Each sensor was tested 30 times. Fuzzy control testing yielded satisfactory results, with an average error of 0.4% compared to Matlab results. Moisture content measurements met the export standard. This system is expected to improve the quality and market value of Indonesian cocoa beans.
Membangun Kesadaran Anti-Bullying di Sekolah Dasar Negeri Melalui Pendidikan Preventif di Desa Kampak, Bangkalan Fahmi, Monika Faswia; Sandy, Luqman Kurnia; Wahyuni, Sri; Musaffa', Akhmad Fajar
Jurnal Pemberdayaan Masyarakat dan Komunitas Vol 2, No 1: 2025
Publisher : STAI Nurul Islam Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52620/jpmk.v2i1.130

Abstract

Bullying merupakan fenomena yang berdampak negatif pada perkembangan fisik, mental, dan sosial anak, terutama di lingkungan sekolah. Bullying berdampak negatif pada perkembangan fisik, mental, dan sosial anak, terutama di sekolah. Penelitian ini bertujuan meningkatkan pemahaman siswa sekolah dasar di Desa Kampak, Kecamatan Geger, Kabupaten Bangkalan, tentang bullying , jenis-jenisnya, dampaknya, dan cara pencegahannya melalui pendekatan pendidikan preventif. Metode yang digunakan adalah sosialisasi yang melibatkan penyampaian materi edukatif, diikuti diskusi dan kuis evaluasi. Respon siswa dalam kuis mencerminkan pemahaman awal mereka terhadap materi yang disampaikan, yang menunjukkan antusiasme tinggi dan partisipasi aktif dalam memahami topik ini. Temuan penelitian ini menunjukkan bahwa pendekatan pendidikan preventif efektif dalam meningkatkan kesadaran siswa tentang bullying . Diperkirakan, penelitian ini dapat menjadi langkah awal dalam menciptakan lingkungan dasar sekolah yang lebih aman dan bebas dari perundungan , terutama di daerah pedesaan.
PENGATURAN WATER PUMP DAN DETEKSI KOIN PADA VENDING MACHINE JAMU TRADISIONAL MADURA Laksono, Deni Tri; Waskita Wicaksono, Muhammad Arya Rangga; Fahmi, Monika Faswia; Laksono, Dedi Tri
Jurnal Informatika dan Teknik Elektro Terapan Vol. 12 No. 1 (2024)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jitet.v12i1.3863

Abstract

Indonesia dikenal sebagai negara yang kaya akan keanekaragaman hayati, termasuk berbagai tanaman herbal yang tumbuh subur di sana. Tanaman ini, khususnya di Madura, sering digunakan sebagai bahan jamu tradisional yang memiliki potensi sebagai pengobatan herbal. Namun, industri jamu tradisional Madura menghadapi tantangan karena menurunnya minat masyarakat terhadap jamu dan minimnya penjual jamu. Oleh karena itu, diperlukan inovasi untuk melestarikan dan memperkenalkan kembali jamu tradisional, seperti penggunaan mesin penjual otomatis atau vending machine. Vending machine jamu tradisional Madura diuji dengan hasil positif, menunjukkan respons optimal dari semua komponen. Pengaturan water pump dengan delay 15865 ms mencapai takaran air yang diinginkan dengan toleransi ± 3 mL. Untuk deteksi koin, presentase keberhasilan sebesar 86% dapat ditingkatkan dengan penyesuaian delay pada program. Dengan inovasi ini, diharapkan dapat membangkitkan minat masyarakat dan melestarikan kekayaan warisan jamu tradisional Madura
Technical Performance Analysis of a 1 MWp Grid-Connected Photovoltaic System in Pangkalan Kerinci, Indonesia Using PVsyst Simulation Laksono, Dedi Tri; Laksono, Deni Tri; Fahmi, Monika Faswia; Afrianti, Rien; Dodi, Nofri
International Journal of Science, Engineering, and Information Technology Vol 10, No 1 (2025): IJSEIT volume 10 Issue 1 December 2025
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/ijseit.v10i1.32479

Abstract

The increasing demand for clean energy in Indonesia has accelerated the deployment of grid-connected photovoltaic (PV) systems. This study presents a technical performance analysis of a 1 MWp grid-connected PV system located in Pangkalan Kerinci, Indonesia, using the PVsyst v7.4.6 simulation software. The system comprises 1818 Trina Solar TSM-DE19-550Wp modules mounted on a fixed-tilt structure (2.2° tilt, 180° azimuth) with two SMA Sunny Central 400 MV-11 inverters (DC/AC ratio = 1.25). Meteorological data from Meteonorm 8.1 (1996–2015) was used to simulate annual irradiation and system output. The results show an annual energy production of 1,404,124 kWh, corresponding to a specific yield of 1,404 kWh/kWp/year. The Performance Ratio (PR) reached 82.75%, indicating high system efficiency under tropical climatic conditions. Loss analysis revealed that thermal losses (9.36%) and IAM losses (2.58%) were the dominant factors, while inverter losses accounted for 2.86%. Module mismatch and wiring losses were minimal at 2.15% and 1.5%, respectively. The high PR and low degradation assumptions confirm the suitability of the selected configuration for equatorial regions. This study provides a robust technical benchmark for similar PV installations in Sumatra and supports optimal design decisions for future utility-scale solar projects in Indonesia.
Performance Evaluation of a 250 Wp Solar Photovoltaic Water Pumping System in Tropical Climate: A Case Study in Pangkalan Kerinci, Indonesia Afrianti, Rien; Laksono, Dedi Tri; Laksono, Deni Tri; Fahmi, Monika Faswia
International Journal of Science, Engineering, and Information Technology Vol 10, No 1 (2025): IJSEIT volume 10 Issue 1 December 2025
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/ijseit.v10i1.32508

Abstract

Access to clean water in remote tropical regions remains a critical challenge, particularly where grid electricity is unavailable. Solar photovoltaic (PV) water pumping systems offer a sustainable, off-grid solution. This study evaluates the technical performance of a 250 Wp PV-powered deep well water pumping system installed in Pangkalan Kerinci, Indonesia (0.41°N, 101.85°E). The system employs a single Trina Solar TSM-310PD14 module connected to a Sun Pumps SDS-D-128 DC membrane pump via an MPPT controller. Using PVSyst v7.4.6, a one-year simulation was conducted under realistic meteorological and hydraulic conditions, including a static water table at 4 m depth and a daily water demand of 0.30 m³. Results indicate that the system reliably meets annual water needs (109 m³/year) with negligible water deficit (0.163 m³, or 0.15%). The annual specific water yield is 522 m³/kWp/bar, while the system operates at an overall efficiency of 4.3% and a pump efficiency of 16.7%. Energy analysis shows 15.5 kWh/year delivered to the pump, with 42.6 kWh/year of excess solar energy unused due to tank capacity limits. The performance ratio (PR) is approximately 87%, confirming high system reliability in equatorial conditions. This study demonstrates the technical viability of small-scale solar pumping for rural water supply in Indonesia.
Design of IoT-Based Smart Hydroponic Farming with Solar Energy for Sustainable and Precision Crop Production Fahmi, Monika Faswia; Laksono, Deni Tri; Laksono, Dedi Tri
JEECS (Journal of Electrical Engineering and Computer Sciences) Vol. 10 No. 2 (2025): JEECS (Journal of Electrical Engineering and Computer Sciences)
Publisher : Fakultas Teknik Universitas Bhayangkara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54732/jeecs.v10i2.10

Abstract

Conventional hydroponic farming systems frequently encounter limitations related to unstable environmental control, suboptimal nutrient management, and strong dependence on grid-based electricity, which collectively hinder their sustainability and scalability, particularly in remote or energy-constrained regions. Recent studies have explored smart hydroponic technologies. However, many remain reliant on external power sources or lack integrated, autonomous control of multiple critical growth parameters. Therefore, this problem reveals a research gap in the development of fully self-powered and intelligent hydroponic systems. This study proposes the design and implementation of a solar-powered, IoT-based smart hydroponic farming system that enables real-time monitoring and closed-loop environmental control. The system integrates multi-sensor measurements, including pH, DS18B20 temperature, total dissolved solids (TDS), and light-dependent resistor (LDR) sensors, coupled with an on–off control strategy to regulate light intensity (115 ADC), water temperature (28 °C), pH (5.5-6.5), and nutrient concentration (840 ppm). A standalone photovoltaic energy subsystem, consisting of a 100 Wp solar panel and a 65 Ah battery, was designed based on a daily energy demand of 378.85 Wh to ensure continuous autonomous operation. Experimental results demonstrate high sensor accuracy, with measurement errors of 0.75% for pH, 0.095% for TDS, and 0.24% for temperature. Moreover, the proposed system effectively stabilizes environmental parameters within predefined setpoints, outperforming uncontrolled conditions. These findings confirm the system’s reliability and potential as a sustainable precision agriculture solution for off-grid hydroponic applications.
Co-Authors Adi Kurniawan Saputro Afrianti, Rien Dedi Tri Laksono, Dedi Tri Dian Neipa Purnamasari Iyabu, Sissy Rahmatia Laksono, Deni Tri Miftachul Ulum, Miftachul Musaffa', Akhmad Fajar Nofri Dodi, Nofri Sandy, Luqman Kurnia Sri Wahyuni Ubaidillah, Achmad Waskita Wicaksono, Muhammad Arya Rangga