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All Journal Rekayasa Mesin JTT (Jurnal Teknologi Terpadu) Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control International Journal of New Media Technology Infotekmesin
Radhian Krisnaputra
Universitas Gadjah Mada
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Materials Science & Nanotechnology Mechanical Engineering

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Pengaruh Besar Butir dan Temperatur Pemanasan Pasir Cetak Terhadap Sifat Mekanis Cetakan Braam Delfian Prihadianto; Radhian Krisnaputra; Suryo Darmo; Aldi Prabowo
Infotekmesin Vol 12 No 1 (2021): Infotekmesin: Januari 2021
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v12i1.471

Abstract

Casting is a manufacturing process that uses molten metal and molds to obtain a product that is closer to its final geometry. The quality of casting products is influenced by several factors and one of the important factors is the mold. The sand that is often used in making molds is resin coated sand, since this sand will bond to one another if it is heated. The research focus is determine the effects of grain size and heating temperature of resin coated sand on the mechanical properties of the mold which include compressive, shear and tensile strength. This study used an experimental method with large parameters of resin coated sand and heating temperature. From the test results, the highest compressive, shear and tensile strength values are Produced by sand with grain size less than 300 µm are identified.. The high heating temperature makes the bonds between the sands stronger and the strength value is higher..
"Stay at Home Reservation": Langkah Mitigasi dalam Pandemi Covid-19 Faridiah Aghadiati Fajri; Muhammad Fakhrurrifqi; Dian Budi Santoso; Radhian Krisnaputra
IJNMT (International Journal of New Media Technology) Vol 8 No 1 (2021): IJNMT (International Journal of New Media Technology)
Publisher : Universitas Multimedia Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31937/ijnmt.v8i1.1837

Abstract

The Covid-19 pandemic condition that has hit the world has had a significant impact on various sectors. Health facilities need information system support in their services. Breaking the distribution chain can be done by maintaining a physical distance. However, in reality, people are still indifferent. There is a possibility that the patient is infected but shows no symptoms or is lying to the point of endangering medical personnel. In addition, there is a stigma in the community so that they are afraid to go to health facilities. Even though it cannot be denied that in certain conditions patients should still have their conditions checked by a doctor. The development of this online registration system aims to reduce the risk of contact between patients and medical personnel. The real-time queue monitoring feature helps patients to wait in line anywhere, so they are not in the patient's waiting room. This system is able to provide real-time queues for examinations in all polyclinics. This can reduce public anxiety about coming to health facilities. Index Terms— Covid-19; Health Facilities; Online Reservation; Pandemic; Realtime Queues
PENGARUH PENGATURAN FILL DENSITY TERHADAP SIFAT MEKANIS POLYLACTIC ACID HASIL TEKNOLOGI FUSED DEPOSITITION MODELLING Braam Delfian Prihadianto; Suryo Darmo; Radhian Krisnaputra
Jurnal Teknologi Terpadu Vol 10, No 1 (2022): JTT ( Jurnal Teknologi Terpadu)
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32487/jtt.v10i1.1406

Abstract

Along with advances in science and technology in creative industry, the production process no longer relies on manual creativity, but develops and expands the application of technology to simplify and accelerate the production process. One example of the creative industry sector that applies technological developments is the miniature industry. A new technology that is starting to be in demand among miniature manufacturers is the Fused Depositition Modeling (FDM) technology. It is a method using solid base rapid prototyping technology with an extrusion process and is a solution to the above problems. Polylactic Acid (PLA) is one of the materials used by miniature manufacturers, because this material is included in the aliphatic polyester group which is made from α-hydroxy acid and has degraded properties, making this material relatively safer for health and the environment. The research focuses on the mechanical properties of FDM technology with PLA filament materials, especially tensile and bending strength. This study used an experimental method with reference to the FDM machining parameters with a variation of the fill density from 0.1 to 1.0. Based on the results of experiments and tests that have been done, the tensile strength values are 29.063 - 36.215 MPa and the bending strengths are between 42.520 - 80.315 MPa. Therefore based on the test results it can be concluded that the fill density parameter affects the tensile and bending strengths produced by FDM technology with PLA material.
Application of Ant Colony Optimization for the Shortest Path Problem of Waste Collection Process Andhi Akhmad Ismail; Radhian Krisnaputra; Irfan Bahiuddin
Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control Vo. 6, No. 3, August 2021
Publisher : Universitas Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/kinetik.v6i3.1307

Abstract

The search for the shortest path of the waste collection process is an interesting topic that can be applied to various cases, from a very practical basic problem to a complex automation system development. In a dense settlement, the waste collection system can be a challenging process, especially to determine the most optimized path. The obstacles can be circling streets, impassable roads, and dead-end roads. A wrong choice of method can result in wasteful consumption of energy. A possible method to solve the problem is the traveling salesman problem using ant colony search optimization, considering its relatively fast optimization process. Therefore, this paper proposes an application of ant colony and traveling salesperson problem in determining the shortest path of the waste collection process. The case study for the optimization algorithm application is the path UGM Sekip Lecturer Housing is considering. Firstly, the data was collected by measuring the distance between points. Then, the paths were modeled and then compared with the actual route used by waste transport vehicles. The last step is implementing the ant colony optimization and traveling salesman problem by determining the cost function and the parameters. The optimization process was conducted several times, considering the random generator within the algorithm. The simulation results show the probable shortest path with a value of about 752 meters so that the use of fossil fuels in waste transport vehicles can be more efficient. The results show that the algorithm can automatically recommend the minimized path length to collect waste.
KINERJA SISTEM PENYAPU TIPE GUTTER BROOMS PADA PROTOTIPE KENDARAAN PENYAPU JALAN Aditya Bayu Pratama; Sugiyanto Sugiyanto; Radhian Krisnaputra; Benidiktus Tulung Prayoga; Yosephus Ardean Kurnianto Prayitno; Isworo Djati
Jurnal Rekayasa Mesin Vol. 14 No. 2 (2023)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v14i2.1288

Abstract

The performance of the gutter brooms sweeping system was studied by conducting an experimental sweeping test. The test is carried out by operating a sweeper system to sweep plastic, paper, and leaf waste. The test results show that at a broom rotation speed of 150,6 rpm, the sweeping of plastic obtained a 100% sweeping success rate with the three settings for the height of the broom, while the sweeping of leaf waste obtained a 100% sweeping success rate at the broom position ± 0 mm touching the road surface and the sweeping of paper waste obtained a 100% sweeping success rate at the broom position ± 15 mm pressing the road surface. The comprehensive system of the gutter brooms type of road sweeper vehicle prototype can show sweeping performance with a 100% success rate, although the success rate of the sweeping is uncertain for different sweeping situations.
Co-Authors Aditya Bayu Pratama Aldi Prabowo Andhi Akhmad Ismail Benidiktus Tulung Prayoga Dian Budi Santoso Faridiah Aghadiati Fajri Irfan Bahiuddin Isworo Djati Muhammad Fakhrurrifqi Prihadianto, Braam Delfian Sugiyanto Sugiyanto Suryo Darmo Yosephus Ardean Kurnianto Prayitno