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All Journal International Journal of Research in Community Services Operations Research: International Conference Series International Journal of Ethno-Sciences and Education Research Tedc Jurmas Azam Insan Cendikia JURNAL KEBANGSAAN REPUBLIK INDONESIA
Suryaman Suryaman
Universitas Kebangsaan Republik Indonesia
Religion Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Transportation Veterinary Other

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PERMODELAN TUMPUAN GAYA PADA BATANG DENGAN MENGGUNAKAN INTERFACE ELEMENT Suryaman .
Jurnal TEDC Vol 15 No 1 (2021): JURNAL TEDC
Publisher : UPPM Politeknik TEDC Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (375.605 KB)

Abstract

Pada keseharian, banyak dijumpai struktur batang, dimana tegangan yang dialaminya cenderung berbeda-beda. Batang yang dikenai beban terpusat dengan tumpuan sederhana menggunakan analitik. Sedangkan dengan bantalan yang materialnya berbeda perhitungannya menggunakan analisis nonlinier. Metode elemen hingga (finite element method) merupakan cara untuk menyelesaikan mekanika kontinum (continuum mechanics) dengan ketelitian yang dapat diterima para insinyur. Persoalan dengan geometri rumit dapat diselesaikan dengan metode elemen hingga. Permodelan batang dengan menggunakan elemen interface dikerjakan menggunakan softare Ansys 5.4, dengan permodelan geometri bisa dihitung dan domodelkan dengan tampilan grafik, kontur dan tabel. Hasil perhitungan numeric dan analitik dibandingkan untuk mengetahui penyimpangan tegangan dan defleksi pada batang. Batang dengan tumpuan sederhana dibandingkan dengan batang menggunakan bantalan yang berdeda-beda. Hasilnya menjukkan terjadinya perbedaan harga yang cukup jauh. Kemudian diujicoba dengan batang yang lebih panjang dengan dimensi yang sama. Hasilnya diperoleh harga konvergen dari keseluruhan model dan perhitungan. Kata kunci: tumpuan gaya, batang, interface element
PENGUATAN KEBANGSAAN MELALUI PRODUK RANCANG BANGUN MESIN PENCACAH PLASTIK SINGLE SHAFT SKALA RUMAH TANGGA Kasyafullah, Muhammad Salik; Suryaman
JURNAL KEBANGSAAN RI Vol 1 No 1 (2023): JURNAL KEBANGSAAN RI
Publisher : LEMBAGA PUSAT KAJIAN KEBANGSAAN/PUSKAB UKRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31848/jkri.v1i1.3362

Abstract

The use of plastic as a packaging material and other equipment has caused environmental problems. The longer it accumulates, because plastic waste is not easily destroyed by rain and sun or microbes that live in the soil, this increasing environmental damage. In order to overcome this environmental problem, you can apply 3R (Reduce, Reuse, Recycle) by recycling plastic waste and reprocessing it into plastic ore or into plastic molding products. The purpose of this research is to produce a plastic shredder capable of chopping plastic waste according to the target to be achieved with a Shredder Machine design system with two edge cutters for cutting plastic waste, Solidworks is used to produce blade geometry and shape, blade material used is SS400 which has been carburized to make it stronger and more resilient, from the calculation process the plastic chopper obtained 0.45 Hp With a rotation of 47 RPM and a shaft diameter of 28 mm with a total of 14 Rotating Blades and 40 Silent Blades the production process obtained 62 kg/hour
Failure Mode and Effect Analysis (FMEA) for Improving the Efficiency of a Two Combustion Chamber Downdraft Gasification Stove Suryaman; Zakaria, Kiki; Yuningsih, Siti Hadiaty
Operations Research: International Conference Series Vol. 6 No. 2 (2025): Operations Research International Conference Series (ORICS), June 2025
Publisher : Indonesian Operations Research Association (IORA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47194/orics.v6i2.387

Abstract

The growing energy demand in areas lacking access to modern infrastructure drives the development of biomass-based thermal technologies, such as the dual-chamber downdraft gasification stove. This stove offers higher efficiency and lower emissions compared to direct combustion but still poses failure risks in various system components. This study aims to identify critical failure modes affecting the thermal efficiency of the stove through the Failure Mode and Effect Analysis (FMEA) approach. The analysis involved mapping the system's structure and functions, followed by evaluating failure modes using three parameters: Severity (S), Occurrence (O), and Detection (D) to obtain the Risk Priority Number (RPN). Results indicate the highest risk occurs in the combustion system (RPN 180), followed by the air control system (RPN 160). Key causes include suboptimal secondary air distribution and valve blockage. Other systems such as insulation, maintenance access, safety, and fabrication had lower RPNs but still require design and quality control improvements. Recommendations focus on improving airflow design, using high-temperature-resistant materials, and adopting precision fabrication procedures. Using the FMEA approach, the gasification stove can be enhanced in terms of reliability, efficiency, and user safety, making it more feasible as a small-scale renewable energy solution for communities.
RANCANG BANGUN KHASANAH KEKAYAAN LOKAL MELALUI MESIN PENCACAH JERAMI PADI SEBAGAI MEDIA TANAM JAMUR TIRAM suryaman; Erdiansyah; Zakaria, R. Lutfi; Maulana, Syahlan
JURNAL KEBANGSAAN RI Vol 3 No 1 (2025): Edisi 5
Publisher : LEMBAGA PUSAT KAJIAN KEBANGSAAN/PUSKAB UKRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31848/jkri.v3i1.4375

Abstract

The availability of sawdust as a growing medium for oyster mushrooms is becoming increasingly limited, thus alternative raw materials are needed. Rice straw, as an abundant agricultural waste, has potential for use, but requires chopping to an ideal size of 2–5 mm. This research designed and built a rice straw chopper with a 1 HP electric motor drive and a pulley-belt transmission system. The research methods included observations of mushroom farmers, literature studies, design planning, technical calculations (torque, power, capacity), prototype fabrication, and performance testing. The test results show that the machine's production capacity reaches 2.78–3.24 kg/hour with efficiency between 94–97% depending on the number of blades. The machine operates stably, produces cuts according to standards, and is easy to operate. These findings provide a practical solution for mushroom farmers in utilizing straw waste as an economically valuable growing medium.
Performance Analysis of Industrial Ventilation Systems: A Case Study of Exhaust Fan and Roof Cooling Fan Installations in a Textile Manufacturing Area noviandani, pradika; Latipah, Yeni; Sari, Marta Hayu Raras Sita Rukmika; Suryaman
Operations Research: International Conference Series Vol. 6 No. 4 (2025): Operations Research International Conference Series (ORICS), December 2025
Publisher : Indonesian Operations Research Association (IORA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47194/orics.v6i4.438

Abstract

This study presents a performance analysis of industrial ventilation systems using exhaust fans and roof cooling fans in a textile manufacturing environment. The research was conducted as a case study in the Preparation and Processing areas of a textile factory located in Cimahi, West Java, Indonesia, under actual operating conditions. Air temperature and relative humidity (RH) were measured and compared with recommended textile industry standards (20–30°C and RH 55–75%). Two mechanical ventilation alternatives were evaluated: an exhaust fan system (1.46 × 1.46 m) and a roof cooling fan system (1.82 × 1.45 m). The results show that areas equipped with exhaust fans exhibited lower indoor temperatures by approximately 2–3°C and more stable RH levels (50–52%) compared to areas without mechanical ventilation, where temperatures reached up to 42°C and RH dropped to 25–30%. Both systems required 0.75 kW per unit, with monthly operating costs ranging from IDR 7–10 million. Volumetric efficiency analysis indicates that exhaust fans achieved 60,000 m³/kWh, while roof cooling fans produced 46,667 m³/kWh, indicating a 28% difference in airflow efficiency. These findings provide empirical evidence on the thermal and energy performance characteristics of industrial ventilation systems in textile production areas.
Combustion Performance Comparison of Charcoal and Coconut Shell Charcoal Briquettes for Renewable Energy Applications Suryaman; Kiki Zakaria; Nurfadhlina Abdul Halim
International Journal of Ethno-Sciences and Education Research Vol. 6 No. 1 (2026): International Journal of Ethno-Sciences and Education Research (IJEER)
Publisher : Research Collaboration Community (Rescollacom)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijeer.v6i1.1164

Abstract

The increasing demand for renewable energy has encouraged the utilization of biomass-based solid fuels derived from agricultural waste. This study experimentally compares the combustion performance of coconut shell charcoal and coconut shell charcoal briquettes under controlled laboratory conditions. The evaluation focused on combustion temperature characteristics, burning rate, effective burning duration, and thermal efficiency using the Water Boiling Test (WBT) method. The results indicate that coconut shell charcoal achieved a higher peak combustion temperature of approximately 720 °C and a higher burning rate of 9.6 g/min, reflecting rapid and intense heat release. In contrast, charcoal briquettes exhibited a more stable combustion behavior with a longer effective burning duration of about 78 minutes compared to 42 minutes for charcoal, and a higher thermal efficiency of 31.4%, while charcoal reached 23.6%. These differences are mainly attributed to variations in bulk density, porosity, and combustion kinetics between the two fuel forms. Overall, coconut shell charcoal is more suitable for applications requiring rapid heat generation, whereas charcoal briquettes offer superior performance in terms of fuel efficiency, combustion stability, and sustained heat output, making them a more favorable option for renewable and efficient biomass energy applications.
Implementation of Fuzzy Logic Control on a Robotic Arm Prototype for Object Position Detection Suryaman; Tegar Dwi Pangestu; Rina Mardiati; Aan Eko Setiawan; Siti Hadiaty Yuningsih; Kiki Zakaria
International Journal of Research in Community Services Vol. 7 No. 1 (2026): International Journal of Research in Community Service (IJRCS)
Publisher : Research Collaboration Community (Rescollacom)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijrcs.v7i1.1101

Abstract

The rapid advancement of robotics technology has significantly enhanced industrial automation, enabling continuous, precise, andefficient operations. This study aims to design and implement a Fuzzy Logic Control (FLC) system based on the Mamdanimethod in a robotic arm prototype capable of detecting and classifying object positions automatically. The prototype utilizes anArduino Mega 2560 microcontroller as the main controller and a Pixy2 CMUCam5 vision sensor for object detection. Two maininput parameters are used: Turn (object position) and Area (object distance from the camera). The control outputs are the angularpositions of the base and elbow servos. Experimental results show that the FLC system achieves high accuracy with a mean errorof 0.25% for the base servo and 0.27% for the elbow servo, compared to simulation and manual calculations. Furthermore, thefuzzy-based system demonstrated superior efficiency in detecting object positions (center, left, right) compared to non-fuzzycontrol. These findings indicate that implementing Mamdani Fuzzy Logic significantly improves the precision and responsivenessof robotic arm movement in object detection and manipulation tasks
SOSIALISASI PENGELOLAAN DISTRIBUSI AIR BERSIH DI DESA CIPAGERAN, CIMAHI UTARA SB. Widia Rezaly Biharu Hayati; Erdiansyah Erdiansyah; Dudi Suparyogi; Win Hendrawan; Suryaman Suryaman; Nurman Bernard Andrianto; Lutfi Zakariya; Edi Purwono
Azam Insan Cendikia Vol. 4 No. 3 (2025): Jurmas Azam Insan Cendikia
Publisher : Yayasan Azam Insan Cendikia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62833/pkm.v4i3.226

Abstract

masyarakat di Cipageran, Cimahi Utara. Kegiatan ini terlaksana pada hari Sabtu, tanggal 09 November 2024. Kegiatan ini melibatkan 35 warga Cipageran dan 10 orang mahasiswa Teknik Mesin Universitas Kebangsaan Republik Indonesia. Penyuluhan dilaksanakan oleh tim dengan metode presentasi kepada warga dan mahasiswa yang hadir yang berkumpul di rumah ketua RT setempat. Capaian akhir dari penyuluhan ini adalah meningkatnya pemahaman warga tentang proses ditribusi air sehingga air dapat digunakan untuk kolam lele dan kebutuhan sehari-hari, meningkatkan keterampilan dan peningatan penghasilan warga dari peningkatan produksi hasil olahan ikan lele dan distribusi air. Setelah melakukan kegiatan selama berada di Desa Cipageran, ditemukan beberapa rekomendasi untuk berbagai pihak yang terlibat dalam permasalahan di Desa Cipageran. Implementasi proses distribusi air bersih dari sumber ke kolam lele dan rumah-rumah warga akan dilaksanakan dengan melakukan kerja sama dengan pihak pemerintahan.
Co-Authors Aan Eko Setiawan Dudi Suparyogi Edi Purwono Erdiansyah Erdiansyah Erdiansyah Erdiansyah Kasyafullah, Muhammad Salik Kiki Zakaria Latipah, Yeni Lutfi Zakariya Maulana, Syahlan Nurfadhlina Abdul Halim Nurmand Bernard Adrianto Pradika Noviandani Rina Mardiati Sari, Marta Hayu Raras Sita Rukmika SB. Widia Rezaly Biharu Hayati Siti Hadiaty Yuningsih Tegar Dwi Pangestu Win Hendrawan Yuningsih, Siti Hadiaty Zakaria, Kiki Zakaria, R. Lutfi