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All Journal JMPM (Jurnal Material dan Proses Manufaktur) JURNAL DINAMIKA VOKASIONAL TEKNIK MESIN Techne : Jurnal Ilmiah Elektroteknika Sebatik Logista: Jurnal Ilmiah Pengabdian Kepada Masyarakat Infotekmesin Buletin Poltanesa Journal of Applied Smart Electrical Network and System (JASENS) JITEL (Jurnal Ilmiah Telekomunikasi, Elektronika, dan Listrik Tenaga) Politeknosain
Tri Hannanto Saputra
Politeknik ATMI Surakarta
Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Social Sciences

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Mechanical System Design for a Handling System Demonstrator for Simulating Real Production Environments Ismadi, Ignatius Henry; Saputra, Tri Hannanto; Widyatmoko, Ratmono Hari; Prasetyo, Andi; Wijaya, Dikky Kusuma; Supriyono, Romi; Praba, Alto Gandhang
Sebatik Vol. 29 No. 2 (2025): December 2025
Publisher : STMIK Widya Cipta Dharma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46984/sebatik.v29i2.2719

Abstract

The paradigm shift in manufacturing towards Industry 4.0 requires the availability of vocational education infrastructure that is capable of representing actual production floor conditions. The material handling system is a vital component in the integration of the industrial supply chain, which involves precise synchronization between mechanical design and control systems. However, the educational tools currently available often fail to simulate the complexity of this integration due to designs that are too simple or not industry standard. This study aims to design and realize a mechanical system in a material handling system simulator by adopting the Learning Factory concept. The research was conducted using the Research and Development (R&D) method with the ADDIE approach. The main focus of the research was the design of a modular mechanical structure using aluminum profiles, conveyor transmission mechanisms, and an integrated electro-pneumatic control system. The design results were validated through the realization of physical prototypes and functional testing. The research results show that the developed mechanical design has high rigidity and is capable of simulating the material transportation process with stability. The designed control system successfully integrated inductive and optical sensors and pneumatic actuators with 100% sorting logic accuracy. This simulator provides a realistic platform for students to learn about the interaction between mechanical and control components in a safe but authentic production environment.
Analysis of the Effect of Pressing Pressure Variations to Physical Characteristics and Expansion Performance of Cocopeat Blocks Ratmono Hari Widyatmoko; Fransiska Karlentina Hapsari; Tri Hannanto Saputra; Dionisius Wisnu Pratama; Hendrawan Adi Nugroho; Rosy Eka Saputra
Poltanesa Vol 27 No 1 (2026): June 2026
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v27i1.3851

Abstract

Cocopeat, a by-product of coconut coir, has great potential as an environmentally friendly planting medium because it has high water absorption and retention. The handling of bulk cocopeat poses logistical challenges in storage and distribution. This study aims to determine the minimum pressure and compressive force required to form a stable cocopeat block as the basis for the design of a pressing machine. The experiment was carried out using hydraulic pressure variations of 10 to 50 bar with a holding time of 10 seconds, utilizing the initial volume of cocopeat of 8 liters in a mold with dimensions of 200 × 200 mm. To ensure the reliability of the data, each variation was tested on three specimens. Evaluation parameters include block thickness, durability of drop test, and rehydration (expansion). The results showed that the increased pressure significantly lowered the block thickness from 90.78 mm (10 bar) to 56 mm (50 bar) through increased material compaction. The low standard deviation (1.32–1.50 mm) confirms the high dimensional consistency between specimens. Blocks pressed at pressures of 10–20 bar fail the drop test, while pressures between 30–50 bar result in a sturdy, structurally stable block. After 5 liters of water were added, the entire sample managed to expand back to a final volume ranging from 9.55–9.85 liters. A pressure of 30 bar, which produces a force of 184,725 N, is recommended as the optimal design base; This value is sufficient to produce a resilient Cocopeat block that passes the drop test while optimizing the mechanical force requirements of the engine.
Analisis Kinerja Sistem Distribusi Energi Listrik dan Optimalisasi Beban Berbasis Pengukuran Lapangan Fransiskus Xaverius Suryadi; Leonard Lisapaly; Rismen Sinambela; Tri Hannanto Saputra
Infotekmesin Vol 17 No 1 (2026): Infotekmesin: Januari 2026
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v17i1.2903

Abstract

This study analyzes the performance of an electrical energy distribution system and load optimization in a low-voltage distribution network with dynamic load characteristics. Common problems in such systems include phase load imbalance, power losses, and power quality issues that may reduce operational efficiency. Previous studies have mainly focused on utility networks or conventional industrial installations, resulting in limited measurement-based evaluations at the institutional scale. This research aims to assess distribution system performance through direct field measurements, identify phase-current imbalance, evaluate power quality, and formulate load-optimization strategies. Measurements were conducted using a power quality analyzer under normal operating conditions for 30 minutes with a 1-minute recording interval. The results indicate that the distribution transformer operates at an average loading level of 47.4%, with a phase current imbalance of 14.89%, active power losses of 532.5 W, and an average power factor of 0.94. Overall, the findings show that improving load management and power quality plays a more significant role in enhancing system performance than increasing equipment capacity.
Co-Authors Adhi Setya Hutama Adi Nugroho Aditomo, Muhammad Amin Agus Wijayanto Ana Ningsih Andi Prasetyo Bondan Wiratmoko Budi Santoso Budiyantoro, Cahyo Cornelius Hendriarto Deddy Susilo Dikky Kusuma Wijaya Dionisius Wisnu Pratama Edi Rakhman Fenty Pandansari Fransiska Karlentina Hapsari Fransiskus Xaverius Suryadi FX. Suryadi Gregorius Adi Prastiantomo Hapsari, Fransiska Karlentina Hendrawan Adi Nugroho Herda Agus Pamasaria Herda Agus Pamasaria Herda Agus Pamasaria Ignatius Henry Ismadi Ivanda Bintang Cahya Putra Leonard Lisapaly Lukas B. Setyawan Margana, Dodi Budiman Nugroho Cahyo Widodo, Petrus Iwan Nur Akhlis Sarihidaya Laksana Pamasaria, Herda Agus Pandansari, Fenty Perwita Kurniawan Praba, Alto Gandhang Prasetyo, Benedictus Alvin Prasojo, Yohanes Budi Radhi Ariawan Ratmono Hari Widyatmoko Reza Andrea Reza Hermawan Rismen Sinambela Romi Supriyono Rosy Eka Saputra Supriyono, Romi Suryadi, FX. Unggul Satria Jati Wardana, Yustinus Rosa Indra Widyatmoko, Ratmono Hari Wijaya, Dikky Kusuma Wijayanto, St Agus