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Modifikasi dan Pengujian Kinerja Alat Perajang Serbaguna dengan Pendekatan Ergonomis untuk Meningkatkan Produktivitas Arminas , Arminas; Aqdar, Muhammad Aqdar Fitrah; Muslihi , Muhammad Takdir
Majamecha Vol. 7 No. 1 (2025): Majamecha
Publisher : Program Studi Teknik Mesin, Fakultas Teknik, Universitas Islam Majapahit, Mojokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36815/majamecha.v7i1.3816

Abstract

Alat perajang serbaguna yang digunakan oleh UMKM masih menghadapi kendala dalam aspek ergonomi, efisiensi konsumsi daya listrik, serta kinerja pemotongan yang optimal. Penelitian ini bertujuan untuk memodifikasi alat perajang serbaguna guna meningkatkan ergonomi dan efisiensi konsumsi daya listrik. Metode Research and Development (R&D) digunakan dengan tahapan studi literatur, desain, rancang bangun, pengujian, dan analisis data. Modifikasi yang dilakukan meliputi penambahan roda untuk mobilitas dan dudukan untuk memungkinkan operator bekerja dalam posisi duduk guna mengurangi kelelahan kerja. Pengujian menunjukkan bahwa ketinggian panel kontrol (100 cm) cukup ergonomis bagi sebagian besar pengguna, tetapi lubang input (110 cm) dapat meningkatkan kelelahan pada operator bertubuh lebih pendek. Dari aspek kelistrikan, alat diuji pada tujuh mode kecepatan dengan konsumsi daya aktif berkisar antara 134,8 W hingga 487,5 W. Faktor daya meningkat dari 0,38 pada mode rendah menjadi 0,94 pada mode tinggi, menunjukkan efisiensi yang lebih baik, tetapi dengan konsumsi listrik yang lebih besar. Secara keseluruhan, modifikasi ini berhasil meningkatkan ergonomi dan fleksibilitas alat serta memberikan alternatif penggunaan daya listrik yang lebih hemat bagi UMKM.
Implemplementation of Rapid Application Development of Information System For New Student Admission: Case Study at Akademi Komunitas Industri Manufaktur Bantaeng Muslihi, Muhammad Takdir
Jurnal Sains dan Teknik Terapan Vol. 2 No. 1 (2024): Jurnal Sains dan Teknik Terapan
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

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

Abstract

The New Student Admission Information System at the Community Academy of Manufacturing Industry Bantaeng aims to facilitate the process of new student registration online. This research employs the Rapid Application Development (RAD) method in its development. The results indicate that the system has been successfully fully implemented after undergoing a series of black box testing with good results. However, some shortcomings such as minor bugs are identified, and future development is expected to involve improving the overall functionality and security of the system.
Smart IoT Relay Monitoring Box for Real-Time Monitoring and Control of Electrical Energy Consumption Muslihi, Muhammad Takdir; Syafie, Lukman; Alghamdi, Mona Ahmad; Puteri, Annisa Nurul; Achmad, Andita Dani
Jurnal Media Elektrik Vol. 23 No. 2 (2026): MEDIA ELEKTRIK
Publisher : Jurusan Pendidikan Teknik Elektro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59562/metrik.v23i2.11899

Abstract

Background: The rapid increase in electricity consumption, particularly the 23.36% rise in Indonesia from 2019 to 2023, highlights the need for more efficient energy management systems. Limited user awareness and the lack of integrated monitoring and control solutions often lead to energy waste. Objective: This study aimed to design and evaluate an Internet of Things (IoT)-based smart relay system for real-time monitoring and remote control of electrical energy consumption. Methods: This study employed an experimental-based system development approach to create a portable prototype. The system integrated an ESP8266 microcontroller, a PZEM-004T sensor, a relay module, and a 16×2 LCD, with data transmitted to a web-based platform for monitoring and control. The system was tested using five different electrical loads, and performance was evaluated by comparing sensor measurements with standard measurement instruments. Results: The system achieved high accuracy in voltage measurement with an average error of 0.58% and moderate accuracy in power measurement with 2.78%. However, current measurement showed a higher average error of 15.06%, indicating sensitivity to fluctuating load conditions. The system supports real-time monitoring and remote control with an average response time of approximately one second. Compared to previous studies, the system demonstrates comparable voltage performance but higher deviation in current measurement. Novelty: This study presents an integrated IoT-based system that combines real-time monitoring, remote control, and energy estimation within a compact and portable platform. The proposed system provides a practical solution to enhance user awareness and enable more efficient energy management, extending beyond conventional monitoring-only systems.