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All Journal Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Abdi: Jurnal Pengabdian dan Pemberdayaan Masyarakat Jurnal Elkolind : Jurnal Elektronika dan Otomasi Industri Jurnal Elektronika dan Telekomunikasi
MARIO NORMAN SYAH
Universitas Negeri Semarang
Agriculture, Biological Sciences & Forestry Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Medicine & Pharmacology Public Health

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Peningkatan Kompetensi Keahlian Siswa SMK dengan Pelatihan Konsep dan Instalasi Pembangkit Listrik Tenaga Surya Subiyanto Subiyanto; Mario Norman Syah; Abdurrakhman Hamid Al-Azhari; Rizky Ajie Aprilianto; Bagaskoro Saputro; Ubaidillah Siroj; Faiq Mananul Faqih; Icha Arifah Annisa; Nektar Cahayasabda; Setya Budi Arif Prabowo; Bayu Adi Pambudi; Deyndrawan Sutrisno
ABDI: Jurnal Pengabdian dan Pemberdayaan Masyarakat Vol 7 No 2 (2025): Abdi: Jurnal Pengabdian dan Pemberdayaan Masyarakat
Publisher : Labor Jurusan Sosiologi, Fakultas Ilmu Sosial, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/abdi.v7i2.1098

Abstract

Tren penggunaan energi baru terbarukan (EBT) telah mengalami peningkatan yang sangat signifikan setiap tahun. Realisasi aplikasi EBT di Indonesia didominasi oleh Pembangkit listrik tenaga surya (PLTS), hal ini dipengaruhi oleh letak geografis Indonesia yang berada pada garis khatulistiwa dengan iklim tropis. Untuk menunjang peningkatan penggunaan PLTS yang semakin tinggi, dibutuhkan upaya untuk meningkatkan jumlah tenaga profesional dibidang instalasi PLTS. Upaya peningkatan tenaga profesional dibidang PLTS dapat dilakukan melalui kegiatan pengabdian yang berfokus pada pelatihan profesi teknisi PLTS. Proses pelatihan dilakukan dengan metode ceramah dan praktikum sebagai tambahan materi bagi siswa jurusan Teknik Instalasi Tenaga Listrik (TITL) SMK Muhammadiyah Mungkid. Kombinasi antara materi pokok yang didukung dengan trainer interaktif PLTS sistem statis dapat berpotensi menghasilkan lulusan yang terampil dibidang instalasi PLTS. Potensi dari pelatihan ini telah dibuktikan melalui capaian hasil pre test dan post test kegiatan pelatihan yang menunjukkan adanya peningkatan yang signifikan dalam pemahaman dan keterampilan siswa dibidang instalasi PLTS.
An Empirical Analysis and Benchmarking Framework for FreeRTOS on the Arduino Uno Abdurrakhman Hamid Al-Azhari; Mario Norman Syah; Rizky Ajie Aprilianto
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.v12i3.8833

Abstract

The scalability of FreeRTOS makes it a popular choice for embedded systems, yet its behavior on processors with severe memory constraints remains poorly quantified. This study conducts a rigorous empirical evaluation of FreeRTOS on the Arduino Uno platform, based on the ATmega328P microcontroller with only 2KB of SRAM. We introduce a systematic benchmarking framework designed to probe the kernel's operational limits by measuring task capacity, stack depth requirements, and scheduler overhead under controlled stress conditions. Our findings reveal that heap fragmentation is the primary determinant of task capacity and precisely quantify the performance trade-offs associated with kernel configuration. The results provide a set of validated, practical guidelines for developers, enabling more reliable design choices for deploying RTOS-based solutions on resource-limited hardware commonly found in cost-sensitive IoT applications.
Ray Tracing-Based Modeling of Bifacial Photovoltaic Systems in Greenhouse Agrivoltaics Endang Widiyawati; Subiyanto Subiyanto; Siti Ridloah; Budi Sunarko; Bagaskoro Saputro; Rizky Ajie Aprilianto; Mario Norman Syah; Abdurrakhaman Hamid Al-Azhari; Deyndrawan Sutrisno; Aisya Fathimah; Apriansyah Wibowo; I Gede Bagus Jayendra
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 15 No. 2 (2026): April 2026
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtepl.v15i2.510-524

Abstract

This work presents an enhanced ray tracing-based modeling framework to optimize bifacial photovoltaic energy generation and crop productivity within greenhouse environments. The proposed framework integrates a ray tracing-based optical and electrical model to simulate light dynamics and energy generation within greenhouse structures. The optical model incorporates Uniform Distribution of rear-irradiance (UF) and Non-Uniform Distribution of rear-irradiance (NUF) principles to simulate irradiance distribution, shading, and reflection, using Light Saturation Point (LSP) and Photosynthetically Active Radiation (PAR) measurements. The electrical model estimates energy yield using the LambertW function based on incident and transmitted light through photovoltaic arrays. Five types of greenhouse structures using plastic and SG80 materials are analyzed to assess their impact on system performance under various conditions. The evaluation showed that integrating bPV increased rear-side energy captured by 25-30%. The optimal configuration was achieved by combining a plastic cover with a checkerboard pattern, resulting in up to 5% higher performance than the 35° tilt setup and offering enhanced light distribution uniformity. Although the average soil irradiance of 170.801 W/m² slightly exceeded the light saturation threshold of 164.7 W/m², it remained within a safe range that supports efficient photosynthesis without causing photoinhibition.
A Robust SMO-PLL Estimation Algorithm for Enhancing Rotor Position Accuracy and Reducing Chattering Issues in Sensorless FOC of SPMSM Nektar Cahayasabda; Sekhul Ishak; Danang Suryo Wibowo; Aulia Rahmah Salsabila; Syifa Fajry Az Zahra; Isyatul Hani’ah; Khoirudin Fathoni; Mario Norman Syah
Jurnal Elektronika dan Telekomunikasi Vol. 25 No. 1 (2025)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jet.704

Abstract

Recent advancements in sensorless Field-oriented Control (FOC) of Surface Permanent Magnet Synchronous Motors (SPMSMs) have improved system reliability and cost-effectiveness. However, limitations such as speed chattering and inaccurate rotor position estimation remain problematic for Electric Vehicle (EV) applications. This study developed a sliding mode observer-phase locked loop (SMO-PLL) algorithm applied to sensorless FOC in SPMSMs. The SMO predicts the back EMF of the SPMSM, which the PLL then uses for precise rotor position and speed estimation. Simulations conducted in MATLAB Simulink demonstrate that the SMO-PLL significantly reduces chattering and achieves a rotor position estimation error of only 1 rad/min. While the quantitative integral error criteria for SMO-PLL (IAE: 0.0868, ITAE: 0.3069, ISE: 0.0229, ITSE: 0.0834) are slightly higher than those of Field Observer (FO) and Extended Electromagnetic Field Observer (EEMFO), speed control analysis confirms that SMO-PLL delivers a rapid steady-state response with minimal overshoot and oscillation. These findings are crucial for applications where speed stability is essential for passenger comfort and safety, highlighting the SMO-PLL's potential as a robust sensorless control solution for future EVs.
Co-Authors Abdurrakhaman Hamid Al-Azhari Abdurrakhman Hamid Al-Azhari Abdurrakhman Hamid Al-Azhari Aisya Fathimah Apriansyah Wibowo Aulia Rahmah Salsabila Bagaskoro Saputro Bagaskoro Saputro Bayu Adi Pambudi Budi Sunarko Danang Suryo Wibowo Deyndrawan Sutrisno Endang Widiyawati Faiq Mananul Faqih I Gede Bagus Jayendra Icha Arifah Annisa Isyatul Hani’ah Khoirudin Fathoni, Khoirudin Nektar Cahayasabda Rizky Ajie Aprilianto Sekhul Ishak Setya Budi Arif Prabowo Siti Ridloah Syifa Fajry Az Zahra Ubaidillah Siroj