The growing demand for automation systems in the industrial and logistics sectors forms the basis of this research, particularly in material handling processes that are predominantly performed manually and exhibit several limitations, such as dependence on human labor, risk of occupational injury, and low efficiency in time and accuracy. The development of an Autonomous Mobile Robot (AMR) based…
Indonesia, as the world’s largest producer of palm oil, generates a considerable amount of palm kernel shell (PKS) waste that remains underutilized. Palm kernel shell ash (PKSA), rich in silica and carbon, has the potential to serve as an economical, environmentally friendly, and easily available reinforcement material for Aluminium Matrix Composites (AMC) derived from industrial waste. This …
The use of set generators in Indonesia is still dependent on petroleum fuel as its primary fuel. The use of LPG as an alternative fuel is increasing in the industrial sector in Indonesia. In this study, it will use a converter kit as a replacement for a gasoline carburetor so that it can use LPG gas as a source of fuel. The purpose of this research is to find out the performance of pertalite fu…
The rapid growth of the palm oil industry in Indonesia generates a large amount of solid waste that poses environmental pollution risks. One such by-product is palm kernel shell ash (PKSA), which contains silica and therefore has the potential to be utilized as reinforcement material in metal matrix composites. This study aims to analyze the effect of reinforcement particle addition and variati…
The palm oil industry in Indonesia produces large amounts of biomass waste, one of which is palm kernel shells that have the potential to be used as composite reinforcing materials. This study aims to utilize PKSA resulting from combustion at 900°C for 4 hours as an additional reinforcement in aluminum 6063-based aluminum matrix composites (AMCs). The use of PKSA containing SiO₂ is expected …
Solidworks is a software that can simplify and facilitate the design and analysis process of a structure. To make it easier to create designs, Solidworks software has several basic features such as paramatric solid modeling. One thing that can be analyzed using Solidworks software is the pressure on the roller of the sugar cane crusher. A sugar cane pressing machine is a machine used to squeeze…
A sugarcane squeezer is a machine used to squeeze sugarcane and produce sugarcane juice. The frame of this squeeze tool has an important role in supporting and holding the load during the squeezing process. This stress analysis on the frame is necessary to ensure its strength and reliability. The finite element method is used to perform voltage analysis, using Solidworks software. Solidworks br…
This research aims to develop membranes with materials including Polyvinylidene Flouride (PVDF) polymers with a mixture of addictive substances Silver Nitrate (AgNO3) as a reinforcement and N, N-Dimethylformamide (DMF) as a solvent. The research method focuses on membrane modification starting from the membrane surface of Scanning Electron Microscopy (SEM), membrane characteristics of Tensile T…
The use of Stainless Steel 304 material has excellent physical properties and can be easily adjusted to meet requirements with the help of welding. With welding joints made of Stainless Steel 304, this study will create a specimen that will later be used as a reference for the durability of the weld joints made. The electrode used is of the same type as the material being used. In this study, t…
Penukar kalor adalah alat yang dirancang untuk keperluan perpindahan kalor dua fluida yang memiliki perbedaan temperatur dan tetap memperhatikan agar kedua fluida tidak tercampur saat proses perpindahan kalor dilakukan. Fluida konvensional seperti air, etilen glikol (EG), serta minyak mineral yang biasa digunakan pada penukar kalor memiliki konduktivitas termal yang buruk. Penelitian kali ini m…
The rapid advancement of technology, particularly in robotics and automation. These developments play an essential role in improving efficiency within industrial operations, logistics, and intelligent transportation systems. This research aims to design and implement an IoT-based autonomous mobile robot system capable of independently navigating toward a predefined target point, avoiding obstac…
Perubahan iklim dan pemanasan global akibat peningkatan emisi karbon dioksida (CO2) mendorong peneliti untuk mengeksplorasi strategi dalam mengurangi konsentrasi CO2 di atmosfer. Adsorpsi bahan padat merupakan salah satu strategi yang diminati oleh peneliti karena memiliki berbagai keunggulan. Keramik berpori, yang menggunakan mekanisme adsorpsi untuk mengurangi emisi CO2, menjadi fokus utama d…
This study aims to analyze the effect of pressure variation in the stir-squeeze casting process on the hardness and microstructure of Aluminum Matrix Composites (AMCs) reinforced with 3% Palm Kernel Shell Ash (PKSA) and 1% Silicon Carbide (SiC). The matrix material used was 6063 aluminum alloy, with the addition of 1% magnesium (Mg) to enhance wettability between the matrix and the reinforcemen…
The rapid development of the palm oil industry in Indonesia has generated large amounts of biomass waste, one of which is Palm Kernel Shell Ash (PKSA), a potential reinforcement material for metal composites due to its high silica content. This study aims to investigate the effect of adding PKSA and silicon carbide (SiC) on the properties of Aluminum 6063 composites fabricated through the stirâ…
Renewable energy, like solar, is crucial amdist global energy challenges. However, high solar radiation in regions like Indonesia increases solar panel (PV) operating temperatures, decreasing efficiency by up to 0.5% for every 1 oC rise above standard temperature. Therefore, a cooling system is required. The objective of this research is to analyze the temperature reduction, power output increa…
This study analyzed the effect of reinforcement ribs on the structural strength of a partition wall in a ready-to-serve fish cooling box using the Finite Element Method (FEM). The partition functioned to separate the fish and ice compartments but experienced excessive stress during handling. Three rib configurations, plus (+), cross (x), and oval (o), were designed on a 2 mm thick PET partition…
This study aims to determine the effect of the Stir-Squeeze Casting process with pressure variations of 3 tons, 6 tons, and 9 tons on the mechanical properties and micro characteristics of 6063 aluminum composites. The Stir-Squeeze Casting process is carried out to homogenize the alloy, reduce porosity, and improve the quality of the castings. The tests conducted included Brinell hardness testi…
Palm oil plays a strategic role in Indonesia’s economy as one of the fastest-growing commodities. However, the increase in production also generates a large amount of solid waste such as empty fruit bunches, shells, fibers, and kernels. This waste has the potential to be reused as an additive material in the production of Aluminium Matrix Composites (AMC). This research aims to optimize palm …
This study investigates the impact of composite materials consisting of Polycaprolactone (PCL), Magnesium (Mg), and Hydroxyapatite (HA) on the strength and degradation ability of synthetic bone grafts. These materials are mixed in various proportions, namely 90% PCL, 70% PCL 50% PCL, using chloroform as a solvent. The primary aim is to produce artificial bone grafts that closely mimic the chara…
This research aims to develop a membrane using a mixture of Titanium Dioxide (TiO2) and Polyvinylidene Fluoride (PVDF) and analyze the durability of the membrane through surface modification using the Electric Field method. This research also aims to analyze the microstructure of the membrane formed, identify the flux in the Clean Water Permeability (CWP) test, and analyze the tensile stress in…
Salah satu proses pemesinan adalah proses milling atau freis. Proses milling melibatkan pemotongan benda kerja menggunakan alat pemotong dengan mata potong jamak yang berputar. Energi yang digunakan dalam pemotongan sebagian besar diubah menjadi panas. Panas ini dihasilkan dari deformasi plastis dan gesekan antara pahat dan serpihan (chip) serta antara pahat dan benda kerja. Panas yang dihasilk…
In recent years there has been quite significant progress in the field of refrigeration and air conditioning, the most basic use of refrigeration systems is in the field of making ice cubes, for example refrigerators, freezers and air conditioners. This research aims to analyze the performance of the AC working system in the field of making ice cubes by utilizing an expansion valve as a tool co…
Welding is one of the primary manufacturing techniques in various industrial applications. This research aims to explore the relationship between current strength variations and tensile strength as well as hardness in SMAW welding of ASTM A53 using E6010 electrode as root and E7018 as filler and capping. In the welded metal and HAZ of ASTM A53, the presence of bainite and pearlite phases was ob…
The continuous increase in carbon dioxide (CO2) emissions has encouraged researchers to further study strategies to reduce CO2 concentrations in the atmosphere. Adsorption of solids is one strategy that is of great interest to researchers because it has several advantages. Porous ceramic is a filter of solid material that uses adsorption mechanism in reducing CO2 emission. This study aims to an…
The continuous increase in CO2 gas emissions results in a greenhouse effect that causes global warming and is now a serious issue being discussed by the world. Therefore, it is necessary to reduce CO2 gas emissions. This research aims to optimize the manufacture of porous filters from Hydroxyapatite/SiO2 composites on the formation of porosity for optimal carbon dioxide absorption. In this stud…
In an effort to optimize surface roughness in the milling process, a cutting fluid based on coconut oil with the addition of 1% MoS₂ nanoparticles was utilized using the Minimum Quantity Lubrication (MQL) method. This research aims to analyze the effects of cutting speed (Vc), feed rate (fz), and depth of cut (a) on the surface roughness of AISI 1045 steel. Optimization and machining result p…
The increasing demand for electrical energy along with industrial and population growth demands increased efficiency of the generating system. Exergy analysis is a comprehensive approach to assess the efficiency of the generating system because it considers both the quantity and quality of energy. This study aims to analyze the thermodynamic performance of the Steam Power Plant (PLTU) at the In…
Seiring berkembangnya teknologi di dunia industri dan otomotif berdampak pada meningkatnya angka polusi udara akibat karbondioksida (CO2) yang dapat mengancam angka kesehatan menurun. Pemanfaatan bahan penyerap padat yang kuat untuk adsorpsi CO2 telah diusulkan sebagai metode untuk mengurangi pembuangan yang berhubungan dengan pembakaran bahan bakar. Tujuan dari penelitian ini adalah membuat se…
The biomechanics of wound closure are profoundly influenced by the distribution of mechanical stress in the surrounding tissue. This study investigated how wound geometry influences stress distribution during closure using Finite Element Analysis. Simulations on a silicone rubber skin analog tested four shapes (circular, square, triangular, and irregular) under varying tensile loads. The result…
Applying machine learning to the CNC milling process reduces costs and saves time while optimizing surface roughness. When used to develop CNC milling processes, machine learning can minimize machine downtime, optimize CNC machinery, forecast tool wear, simulate cutting forces, maintain CNC machinery, keep an eye on milling operations, and forecast surface quality. Random Forest is the machine …