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All Journal Indonesian Journal of Electrical Engineering and Computer Science Jurnal Bakti Masyarakat Indonesia International Journal of Robotics and Control Systems Cylinder : Jurnal Ilmiah Teknik Mesin Jurnal Serina Abdimas
Basuki, Widodo Widjaja
Universitas Katolik Indonesia Atma Jaya
Agriculture, Biological Sciences & Forestry Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Other

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PELATIHAN IMPLEMENTASI ATMABOT SEBAGAI ROBOT ASISTEN DOKTER DAN PERAWAT DI RUMAH SAKIT ATMA JAYA Linda Wijayanti; Nova Eka Budiyanta; V. Budi Kartadinata; Widodo Widjaja Basuki; Harlianto Tanudjaja
Jurnal Bakti Masyarakat Indonesia Vol 3, No 2 (2020): Jurnal Bakti Masyarakat Indonesia
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jbmi.v3i2.9436

Abstract

Since the Covid-19 outbreaks in Indonesia, the number of positive cases has continued to grow. Hospitals are at a very high risk of being the site of the spread of Covid-19, resulting in problems with the many cases of doctors and nurses who contracted Covid-19 from their patients. Therefore, a robot is needed to reduce direct contact between doctors and nurses with Covid-19 patients. The Faculty of Engineering, Unika Atma Jaya, in collaboration with Alumni of the Faculty of Engineering, has succeeded in making a robot to help doctors and nurses serve Covid-19 patients with mild and moderate symptoms, who are still able to carry out activities independently. The robot, named AtmaBot, was made to be handed over to the Atma Jaya Hospital. AtmaBot is equipped with a camera for video calls between doctors and nurses and patients, helping to reduce direct contact between doctors, nurses with patients. AtmaBot can also deliver food, drinks, medicine, and other equipment, controlled by remote control or laptop. The handover of AtmaBot has carried out at Campus 3 BSD, followed by training on its use. The training is carried out by using the lecture method and practicing how to operate the AtmaBot for doctors and nurses' representatives. The training participants are expected to become trainers for doctors and other nurses at Atma Jaya Hospital. With this training, AtmaBot is expected to help doctors and nurses in isolation rooms, reducing the risk of doctors and nurses being infected with Covid-19.ABSTRAK:Sejak kasus Covid-19 merebak di Indonesia, jumlah kasus positif masih terus bertambah setiap harinya. Hal ini membuat keprihatinan tersendiri, khususnya bagi dokter dan perawat di rumah sakit, yang setiap hari berinteraksi langsung dengan pasien. Rumah sakit berisiko sangat tinggi menjadi tempat penyebaran Covid-19, sehingga timbul permasalahan banyaknya kasus dokter dan perawat yang tertular Covid-19 dari pasiennya. Oleh karena itu diperlukan sebuah robot agar kontak langsung antara dokter dan perawat dengan pasien Covid-19 dapat dikurangi. Fakultas Teknik Unika Atma Jaya bekerja sama dengan Alumni Fakultas Teknik telah berhasil membuat sebuah robot untuk membantu dokter dan perawat dalam melayani pasien Covid-19 dengan gejala ringan dan sedang, yang masih dapat beraktivitas secara mandiri. Robot yang diberi nama AtmaBot ini dibuat untuk dihibahkan kepada Rumah Sakit Atma Jaya. AtmaBot dilengkapi kamera untuk video call antara dokter dan perawat dengan pasien, sehingga membantu mengurangi kontak langsung dokter dan perawat dengan pasien. AtmaBot juga dapat mengantarkan makanan, minuman, obat-obatan, dan perlengkapan lainnya ke kamar isolasi, dengan dikendalikan oleh remote control maupun laptop. Serah terima AtmaBot dilakukan di Kampus 3 BSD, dilanjutkan dengan pelatihan untuk penggunaannya. Pelatihan dilakukan dengan metode ceramah dan mempraktikkan langsung cara mengoperasikan AtmaBot kepada perwakilan dokter dan perawat. Peserta pelatihan diharapkan menjadi trainer bagi dokter dan perawat lainnya di RS Atma Jaya. Dengan pelatihan ini diharapkan AtmaBot dapat dimanfaatkan secara maksimal dalam membantu dokter dan perawat di kamar isolasi, sehingga mengurangi risiko dokter dan perawat terinfeksi Covid-19 dari pasiennya.
The development of healthcare mobile robot for helping medical personnel in dealing with COVID-19 patients Nova Eka Budiyanta; Linda Wijayanti; Widodo Widjaja Basuki; Harlianto Tanudjaja; V. Budi Kartadinata
Indonesian Journal of Electrical Engineering and Computer Science Vol 22, No 3: June 2021
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v22.i3.pp1379-1388

Abstract

Coronavirus disease (COVID-19) pandemic has succeeded in shaking the whole world. This situation requires medical personnel to work extraordinarily to treat COVID-19 patients with very high risk of transmission. For this reason, this study aimed to helping medical personnel handle COVID-19 patients through robotic technology. The development method in this study is proposed as a way to develop robots to serve patients in isolation rooms controlled at a distance away from other rooms. From technical testing, the movement of the robot with a load of 12.59 kg only experienced a speed slowdown which was not too significant, namely at 0.43s with an average percentage of slowdown of 8.96%. The accuracy of the proximity sensor testing is close to perfect with an accuracy percentage of 99.62%. The robot control distance was monitored and running well. Also, the increase in motor temperature is not too large, supported by measurement results of 32.13%. From non-technical testing, based on the test results of the feasibility test of all respondents with 25 indicators reached a feasibility level of 91.46%. In other words, healthcare mobile robots developed for helping medical personnel in dealing with COVID-19 patients are very feasible to be applied in hospitals.
Comparative Analysis of Path Planning Algorithms for Multi-UAV Systems in Dynamic and Cluttered Environments: A Focus on Efficiency, Smoothness, and Collision Avoidance Sukwadi, Ronald; Airlangga, Gregorius; Basuki, Widodo Widjaja; Kristian, Yoel; Rahmananta, Radyan; Sugianto, Lai Ferry; Nugroho, Oskar Ika Adi
International Journal of Robotics and Control Systems Vol 4, No 4 (2024)
Publisher : Association for Scientific Computing Electronics and Engineering (ASCEE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31763/ijrcs.v4i4.1555

Abstract

This study evaluates the performance of various path planning algorithms for multi-UAV systems in dynamic and cluttered environments, focusing on critical metrics such as path length, path smoothness, collision avoidance, and computational efficiency. We examined several algorithms, including A*, Genetic Algorithm, Modified A*, and Particle Swarm Optimization (PSO), using comprehensive simulations that reflect realistic operational conditions. Key evaluation metrics were quantified using standardized methods, ensuring the reproducibility and clarity of the findings. The A* Path Planner demonstrated efficiency by producing the shortest and smoothest paths, albeit with minor collision avoidance limitations. The Genetic Algorithm emerged as the most robust, balancing path length, smoothness, and collision avoidance, with zero violations and high feasibility. Modified A* also performed well but exhibited slightly less smooth paths. In contrast, algorithms like Cuckoo Search and Artificial Immune System faced significant performance challenges, especially in adapting to dynamic environments. Our findings highlight the superior performance of the Genetic Algorithm and Modified A* under these specific conditions. We also discuss the potential for hybrid approaches that combine the strengths of these algorithms for even better performance. This study's insights are critical for practitioners looking to optimize multi-UAV systems in challenging scenarios.
Friction Stir Welding pada Paduan Aluminium 6061 dan HDPE menggunakan Mesin Frais Basuki, Widodo Widjaja; Ginting, Eliata Dumar; Hudaya, Hoo Bram Natanael; Sutanto, Hadi; De Fretes, Anthon; Widiarto, Sandra Octaviani B.
Cylinder : Jurnal Ilmiah Teknik Mesin Vol 10 No 1 (2024): APRIL 2024
Publisher : Department of Mechanical Engineering Atma Jaya Catholic University of Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/cylinder.v10i1.5497

Abstract

Friction stir welding (FSW) is a solid-state welding method that is very simple, cheap, and in principle only requires equipment to rotate the tool and move the workpiece translationally. In this research, it was demonstrated that the FSW process of aluminum alloy 6061 and high-density polyethylene (HDPE) polymer is possible using a vertical milling machine, however, modifications need to be made to make it possible to regulate the pressure applied by the milling machine through the tool shoulder to the surface of the workpiece. Apart from that, it was also known that for each material undergoing the FSW process, it is necessary to determine the right parameter set which is a combination of rotational speed and tool feed speed to obtain optimal welding results. Too high a tool rotation speed can cause high lifting forces which can produce large porosity in the workpiece. For the HDPE FSW process, too high a tool rotation speed, which is not balanced with the increase in feed speed will provide excessive heat, causing depressions on the surface of the nugget zone.
UAV Logistics Pattern Language for Rural Areas Rahmananta, Radyan; Airlangga, Gregorius; Sukwadi, Ronald; Basuki, Widodo Widjaja; Sugianto, Lai Ferry; Nugroho, Oskar Ika Adi; Kristian, Yoel
International Journal of Robotics and Control Systems Vol 5, No 1 (2025)
Publisher : Association for Scientific Computing Electronics and Engineering (ASCEE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31763/ijrcs.v5i1.1554

Abstract

The logistical challenges in rural areas, which often face limited infrastructure, varied terrains, and dispersed populations, often lead to inefficient and costly delivery systems. Recent developments in Unmanned Aerial Vehicle (UAV) technology offer a theoretical framework for overcoming these challenges. This research proposes a comprehensive pattern language specifically designed for multi-UAV logistics operations in rural settings. The proposed system integrates critical components such as LiDAR-based map generation, altitude information storage, partial goal estimation, and collision avoidance into a unified framework. Unlike existing research that typically focuses on isolated aspects like route optimization or payload management, this system features an advanced path planning algorithm capable of real-time environmental assessment and direction-aware navigation. Focus group discussions with logistics experts from Talaud Island, North Sulawesi, Indonesia informed the design and refinement of the proposed patterns, ensuring that they address the practical needs of rural logistics. Our analysis suggests that this system offers a theoretical foundation for significantly improving the efficiency, reliability, and sustainability of delivering essential goods and services to rural areas, thereby supporting equitable development and improving the quality of life in these communities. While no empirical data is presented, the framework serves as a scalable foundation for future implementations of UAV-based rural logistics systems.
Rancang Bangun Alat Uji Kekuatan Material Polimer dan Komposit Polimer Berpenguat Serat Alam Manalu, Ferry Rippun G; Basuki, Widodo Widjaja
Cylinder : Jurnal Ilmiah Teknik Mesin Vol 11 No 1 (2025): April 2025
Publisher : Department of Mechanical Engineering Atma Jaya Catholic University of Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/cylinder.v11i1.6648

Abstract

Current engineering technology places great emphasis on efficient and energy-saving construction. Nowadays, research and development of engineering materials are more directed at relatively strong, stable and lightweight materials. Polymers and natural fiber reinforced polymer composites are one of those that can meet these needs and are being researched. To achieve optimal results, the research must be supported by appropriate test equipment that can properly characterize the materials being developed. This research aims to design a mechanical and electrical tensile testing device especially for polymers and polymer composites. The research produced a prototype of a tensile testing device that has a maximum load capacity of 20.25 kN. The success of this research is proven by the strength of PMMA, which was tested using this device. The test results showed that PMMA has a tensile strength of about 58.2 and 60.7 MPa. This value is within the range of PMMA strength obtained from the literature.
PEMBUATAN INKUBATOR TUKIK UNTUK KONSERVASI PENYU PANTAI PANGUMBAHAN UJUNG GENTENG Octaviani, Sandra; Ghozali, Theresia; Basuki, Widodo Widjaja; Wijayanti, Linda; Sereati, Catherine Olivia
Jurnal Serina Abdimas Vol 1 No 2 (2023): Jurnal Serina Abdimas
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jsa.v1i2.26110

Abstract

Turtles are protected animals because of the emergency of extinction by a lot of conservation of turtle cultivation to increase its population. It is unavoidable if there are still many population reductions from turtles, one of which comes from the low survival rate of baby turtles called hatchlings. The process of laying eggs for female turtles requires warm beach sand to cover their eggs and this occurs at night when the moon is dark. After about two months the eggs will hatch, and the hatchlings usually go straight to the sea. There are many disturbances experienced by hatchlings to get to the sea such as being kidnapped, being preyed upon, and not even going to the sea. Improvements in conservation facilities are made to provide an incubator which are always kept warm by being provided with a bulb as a heater, a thermostat as a temperature regulator and a humidifier as a humidity regulator. After hatching the eggs are placed in a replacement pond which was built as a hatchling pond for temporary shelter for the newly hatched hatchlings, and the pond is placed in a cleaned hatchery room with the roof replaced with a mild steel frame The result of the upgrade from this facility is that hatchling success has increased to 91%, and newly hatched hatchlings can be closely monitored until they are ready to be released into the sea. It is hoped that the turtle population in the world can be maintained so that our children and grandchildren will be able to see the turtles directly. Penyu merupakan hewan yang dilindungi karena darurat akan kepunahannya. Sudah banyak konservasi budidaya penyu untuk meningkatkan populasi penyu. Tetapi tidak dapat dihindari jika masih banyak pengurangan populasi dari penyu, yang salah satunya berasal dari rendahnya tingkat keberhasilan hidup dari bayi penyu yang disebut tukik. Proses bertelur penyu betina memerlukan pasir pantai yang hangat untuk menutupi telur-telurnya dan hal ini terladi pada malam hari saat bulan gelap. Setelah sekitar dua bulan telur akan menetas dan tukik biasanya langsung berjalan menuju ke laut. Banyak gangguan yang dialami oleh tukik untuk bisa sampai ke laut seperti diculik, dimangsa, dan bahkan tidak menuju ke laut. Peningkatan fasilitas konservasi yang dibuat menyediakan ruang inkubator yang senantiasa dipertahankan hangat dengan diberi bohlam sebagai penghangat, thermostat sebagai pengatur suhu dan humidifier sebagai pengatut kelembaban. Setelah telur menetas ditempatkan di kolam pengganti yang dibangun sebagai kolam tukik untuk penampungan sementara bagi tukik yang baru menetas, dan kolam diletakkan dalam ruang tukik yang sudah dibersihkan dengan atap diganti dengan rangka baja ringan. Hasil dari peningkatan dari fasilitas ini adalah keberhasilan penetasan tukik meningkat menjadi 91 %, dan tukik yang baru menetas dapat diawasi dengan seksama sampai siap dilepas ke laut. Diharapkan populasi penyu yang ada di dunia dapat terjaga hingga anak cucu kita nanti dapat melihat langsung penyu yang ada.
Pengaruh Energi Input Micro-Plasma Arc Welding Terhadap Struktur Mikro dan Sifat Mekanik Sambungan Baja DIN 2311 Yota, Richard Shan; Manalu, Ferry Rippun Gideon; Widiarto, Sandra Octaviani B.; Basuki, Widodo Widjaja
Cylinder : Jurnal Ilmiah Teknik Mesin Vol 11 No 2 (2025): Oktober 2025
Publisher : Department of Mechanical Engineering Atma Jaya Catholic University of Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/cylinder.v11i2.7366

Abstract

Molds are important components in the plastic injection molding processes. Even though molds are generally made of strong and heat-resistant steel, but when used repeatedly and continuously, the mold will also experience damage such as scratches and dents caused by dynamic thermal and mechanical loading. Making new molds requires very high costs. Mold repairs using traditional welding such as laser welding and Tungsten Inert Gas welding, apart from requiring relatively high costs, also require sophisticated skills. This problem can be overcome with Micro-Plasma Arc Welding (MPAW). With this welding method, the process of melting the material and filler is concentrated at one point which prevents the spread of excess heat to the parent material. Welding on DIN 2311 low alloy steel, which is often chosen as a plastic molding material, was carried out with weld energies of 120, 132 and 144 J. The welding results were tested to determine the microstructure evolution, hardness distribution and strength values ​​of each specimen. From the test results of materials processed through MPAW, it can be concluded that the specimen produced with a weld energy of 132 J has the most optimal microstructure and hardness distribution so that it can have strength equivalent to the strength of the original material before welding, with relatively high ductility as proven by its ability to perform plastic deformation of 7.8% or just 3.2% lower than the ability of the original material.
Co-Authors Airlangga, Gregorius Anthon de Fretes, Anthon de Fretes Catherine Olivia Sereati Ferry Rippun Gideon Manalu, Ferry Rippun Gideon Ginting, Eliata Dumar Hadi Sutanto Harlianto Tanudjaja Hudaya, Hoo Bram Natanael Kartadinata, Budi Kristian, Yoel Manalu, Ferry Rippun G Nova Eka Budiyanta Nugroho, Oskar Ika Adi Rahmananta, Radyan Ronald Sukwadi Sandra Octaviani Sugianto, Lai Ferry Theresia Ghozali Widiarto, Sandra Octaviani B. Wijayanti, Linda Yota, Richard Shan