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All Journal Jurnal Mechanical ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Panrita Abdi - Jurnal Pengabdian pada Masyarakat Metal Indonesia Informatik : Jurnal Ilmu Komputer Jurnal Teknologi Terapan JTRM (Jurnal Teknologi dan Rekayasa Manufaktur) Jurnal Media Teknik dan Sistem Industri Madaniya Jurnal Mesin Nusantara Jurnal Polimesin
Herman Budi Harja
Politeknik Manufaktur Bandung
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Perancangan Sistem Preventive Maintenance untuk Meningkatkan Availability Peralatan Produksi Menggunakan Metode ISMO di CV Rejeki Abadi Machinery Dhion Khairul Nugraha; Herman Budi Harja; Novi Saksono Brodjo Muhadi; Risky Ayu Febriani; Nazhiif Akmal Aaqilah; Omar Syaifan Azizi
Jurnal Mesin Nusantara Vol 9 No 1 (2026): Jurnal Mesin Nusantara
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jmn.v9i1.24978

Abstract

Penelitian ini bertujuan untuk merancang sistem preventive maintenance dengan metode ISMO untuk peralatan produksi di CV Rejeki Abadi Machinery. CV tersebut berlokasi di Jawa Tengah yang memproduksi pompa air dalam negeri. Saat ini strategi pemeliharaan yang digunakan adalah corrective maintenance, dimana pemeliharaan mesin baru dilakukan ketika terjadi kerusakan. Hal ini berakibat pada rendahnya availability mesin, kerugian akibat mesin tidak digunakan, dan biaya pemeliharaan yang tinggi. Perusahaan berupaya untuk melakukan pembaruan sistem pemeliharaan menjadi preventive maintenance. Metode yang dilakukan dalam perancangan sistem preventive maintenance adalah berbasis ISMO, dimana siklus pemeliharaan suatu objek mesin ditentukan oleh nilai kerumitannya. Nilai kerumitan mesin secara signifikan dipengaruhi oleh spesifikasi mesin dan beban kerja yang direncanakan akan diterima. Berdasarkan perolehan siklus ISMO pemeliharaan untuk setiap mesin dapat dihitung kualifikasi dan jumlah kebutuhan tenaga kerja. Hasil perhitungan dan perbandingan nilai availaibility keseluruhan objek mesin antara saat penerapan corrective maintenance dan simulasi setelah penerapan sistem preventive maintenance menunjukkan adanya peningkatan nilai availability objek mesin. Rata-rata availaibility meningkat dari sebelumnya 79,5% menjadi 96,3%. Dengan adanya sistem preventive maintenance, diharapkan CV Rejeki Abadi Machinery dapat menjamin kelangsungan produksi dan mengurangi risiko kegagalan mesin yang tidak terduga.
Design and Construction of 100 WP Capacity Tracker Solar Panel using VDI 2206 Method HERMAN BUDI HARJA; MOHAMMAD YAZID DIRATAMA; FITRIA SURYATINI; MUHAMMAD FATURROHMAN; PRADIKA NOVIANDANI
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 13, No 3: Published July 2025
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v13i3.243

Abstract

There are main issues in optimizing the energy conversion of solar panels, including (1) the movement of the sun's position and (ii) the best capability of solar panels to capture sunlight, which must be perpendicular to the sun's rays. The objective of this research is to conduct a study into the design and development of a solar panel tracking system, specifically to obtain the effectiveness value of the tracking system. The VDI 2206 method is used in the design, which integrates three main systems: mechanical, electronic, and information technology. Based on the test results, the performance of the solar panel tracker increased by 48.38%. With a tracking system power requirement of 5.51%, the percentage increase in the net energy gain of the tracker solar panel is 40.2% compared to static solar panels. Therefore, solar panel systems equipped with tracking devices are more effective and efficient compared to static solar panels.
Pembuatan Horizontal Spindle Test bar pada Mesin Frais Aciera F3 Risky Ayu Febriani; Novi Saksono; Herman Budi Harja; Rian Wijaya
JTRM (Jurnal Teknologi dan Rekayasa Manufaktur) Vol 6 No 1 (2024): Volume: 6 | Nomor: 1 | April 2024
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Manufaktur Bandung (Polman Bandung)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.48182/jtrm.v6i1.172

Abstract

A test bar is a tool that represents an axis whose position will be tested relative to other machine elements as well as the movement of the axis relative to its own position. With a test bar as a precision tool, the deviation value of a machine's geometry can be determined. In the initial stages of making the spindle test bar, namely determining the design according to ISO 230-1:1996 standards, machine testing tools books and directly observing the Aciera F3 Milling Machine. The stages of making a test bar spindle consist of several machining processes such as the lathe process, heat treatment and grinding process, quality checking, and testing. The results of the quality check showed that there were 4 actual dimensions within the tolerance limits and 3 other actual dimensions had sizes outside the tolerance limits, but sizes outside these limits had no effect on the function of the workpiece being made, so this calibration tool could still be used. For testing the spindle test bar on the Aciera F3 Milling Machine object, there were deviations in eccentricity and parallelism with the transverse direction table of 0.030 mm and 0.011 mm, respectively.
Developing Algorithm for Security System in Smart Door Lock and Fire Extinguishing Spray System Utilizing the CtrlX Platform Yuliadi Erdani; Mochammad Naufal; Muhammad Giriarda Abrari; Herman Budi Harja; Achmad Sambas; Siti Aminah
Informatik : Jurnal Ilmu Komputer Vol 22 No 1 (2026): April 2026
Publisher : Fakultas Ilmu Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52958/iftk.v22i1.12293

Abstract

Industries face high risks from unauthorized access and fire hazards, necessitating reliable and responsive safety systems. This research presents the design and evaluation of an IIoT-based smart door lock and fire extinguishing system utilizing the CtrlX Automation platform. The system integrates RFID and fingerprint-based access control with temperature, gas, and flame sensors supported by edge-AI processing. Experimental results from 12 trials demonstrated an average fire detection time of 344.25 ms, smoke detection accuracy of 92.21%, sprinkler actuation delay of 515.58 ms, evacuation door unlocking time of 811.50 ms, and cloud log reliability of 99.70%, with a 14.42% reduction in false alarms. Extended scenarios using various fire sources (paper, plastic, oil), sensing distances (1–3 m), and environmental interferences (airflow, smoke particles) confirmed the robustness of the system. Communication security was validated using MQTT over TLS with AES encryption, resulting in a latency overhead of only 8 ms, while the IDS demonstrated 96.2% detection accuracy against simulated DoS attacks. These findings indicate that the proposed system achieves fast detection, high accuracy, and reliable communication compared to conventional systems, thereby enhancing industrial and smart building safety.
Co-Authors Achmad Sambas Aditya Riyanto Putra Andini Eka R Andri Pratama Dedy Ariefijanto Deni Krisgianto Dhion Khairul Nugraha Elan Suherlan Emma Dwi Ariyani, Emma Dwi Erfin Erfiansyah Fitria Suryatini Halim Abdurrahim Haris Setiawan Hendi Riyanto Heri Setiawan Jata Budiman Mochammad Naufal MOHAMMAD FAUZI MOHAMMAD YAZID DIRATAMA MUHAMMAD FATURROHMAN Muhammad Giriarda Abrari Nandang Rusmana Nazhiif Akmal Aaqilah Novi Saksono Novi Saksono Brodjo Muhadi Nunu Ahmad Nugraha Omar Syaifan Azizi Permata, Nia Nuryanti PRADIKA NOVIANDANI Rani Nopriyanti Rian Wijaya Risky Ayu Febriani Risky Ayu Febriansyah Rizka Savitri K.D. RUMINTO SUBEKTI Sari, Marta Hayu Raras Sita Rukmika Sigit Yoewono Siti Aminah Suyono Suyono Wibawa Kresnandi Yogi Muldani Hendrawan Yuliadi Erdani, Yuliadi