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All Journal IPTEK The Journal for Technology and Science Journal of Mathematical and Fundamental Sciences Jurnal Teknologi Elektro E-JOINT (Electronica and Electrical Journal Of Innovation Technology) Newton-Maxwell Journal of Physics Electrician : Jurnal Rekayasa dan Teknologi Elektro AMMA : Jurnal Pengabdian Masyarakat Jurnal Ecotipe (Electronic, Control, Telecommunication, Information, and Power Engineering) Greensusmater
Amrina Mustaqim
Engineering Physics Department, Institut Teknologi Sumatera Jl. Terusan Ryacudu, Way Huwi, Lampung 35365, Indonesia
Humanities Astronomy Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Nursing Physics

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Perancangan Sistem Akuaponik Menggunakan SCADA Afit Miranto; Syamsyarief Baqaruzi; Amrina Mustaqim; Fikar Tsaqib Adnan
Jurnal Teknologi Elektro Vol 12, No 2 (2021)
Publisher : Electrical Engineering, Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jte.2021.v12i2.001

Abstract

Abstrak — Sistem akuaponik merupakan habitat buatan penggabungan yang saling mengguntungkan, penggabungan ini terbagi dua media yaitu sistem akuakultur dan sistem hidroponik. Dalam pengembangan konservasi khususnya tambahan teknologi yang membuatnya lebih cerdas, dengan menggunakan mikrokontroler yang di monitoring menggunakan Supervisory Control and Data Acquisition (SCADA) WinTr. Dimana dalam sistem akuaponik ini dapat mengendalikan dan memonitor media sekitar secara real time.  Media yang dipakai dalam penelitian ialah budidaya ikan nila, sedangkan budidaya tanaman dengan memanfaatkan air sebagai media tanamnya dengan jenis sayuran kangkung. Selanjutnya Sensor yang berfungsi sebagai monitoring diantaranya sensor level air, level float switch, suhu air DS18B20, suhu udara, kelembapan dan komponen pendukung adalah RTC. Hasil perancangan membuat interface SCADA menampilkan berupa menu utama, ruangan kolam, ruangan filter, trending. Trending adalah berupa grafik data secara real time yang didapatkan dari sensor-sensor diterima oleh mikrokontroler. Hasil perancangan didapatkan untuk pH dalam budidaya akuaponik berkisar 7.29–7.35 sedangkan ikan nila didapatkan tumbuh pada suhu 26-31 °C,
Fabrikasi Tempat Sampah Pintar Dengan Pemilahan dan Pemadatan Otomatis Amrina Mustaqim; Sefrani IG Siregar; Syamsyarief Baqaruzi
E-JOINT (Electronica and Electrical Journal Of Innovation Technology) Vol. 1 No. 2: E-JOINT, Desember 2020
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/e-joint.v1i2.454

Abstract

Sampah telah menjadi persoalan yang paling utama hingga saat ini.  Pengelolaan sampah terutama sampah plastik, yang tidak optimal bisa menyebabkan pencemaran lingkungan dan juga penyusutan lahan. Pengelolaan sampah di Indonesia dilakukan dengan sistem end of pipe, sehingga terjadi penumpukan sampah di tiap lokasi pengumpulan. Tempat sampah pintar ini dibuat khusus untuk sampah plastik yang nanti akan dikompresi sehingga dihasilkan sampah dengan volume yang lebih kecil dan dapat mengurangi proses penyusutan lahan. Pada tempat sampah ini terdapat tiga sistem utama. Sistem pemilahan sampah, sistem pemantauan daya tampung tempat sampah, dan sistem pemanas sampah. Hasil dari Ketiga sistem tersebut adalah tempat sampah pintar dapat bekerja secara optimal dengan rata-rata error kurang dari 5 persen.
Variety of Characteristic Magnetic Material on Permanent Magnet Synchronous Generator (PMSG) Syamsyarief Baqaruzi; Amrina Mustaqim; Putty Yunesti; Gde KM Atmajaya; Ali Muhtar; Sabhan Kanata
IPTEK The Journal for Technology and Science Vol 33, No 2 (2022)
Publisher : IPTEK, LPPM, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20882033.v33i2.13532

Abstract

Wind energy conversion system, one of the main components is a Permanent Magnet Synchronous Generator (PMSG). During the past two decades, many types of per- manent magnet generators for wind power applications have been the research topic. This study focuses primarily on designing a PMSG to create, simulate, and analyze an internal permanent magnet topology with twelve plots and eight poles. We limit with the simulation was carried out at a rotational speed of 1000rpm, and a type of permanent magnet material, Ceramic 11, SmCo 26/26, and NdFeB 48/11. The result of the analysis is that permanent magnets applied in the design of a generator impact its output power and efficiency. At 15 Ω and 60 Ω loads, SmCo 26/26 and NdFeB 48/11 are the only ones that fulfill the specified requirements in this investigation. The permanent magnet type with the most optimal characteristics is Neodymium Iron Boron 48/11 because it has a high flux density, thus causing the electrical energy generated to be greater than other types of permanent magnets. The 48/11 NdFeB permanent magnet generates the most output power, 2110.86 W when loaded with 15 Ω. The best efficiency of 89.38 percent for the PMSG 12 slot eight poles occurs when the load is 15 on the 48/11 NdFeB permanent magnet.
Oxygen Reduction Reaction Mechanism on the Square Paddle-Wheel Cage Site of TM-BTC (TM=Mn, Fe, Cu) Metal-Organic Framework Ahmad Nuruddin; Adhitya Gandaryus Saputro; Syauqi Abdurrahman Abrori; Arifin Luthfi Maulana; Virgiawan Listanto Rahagung; Mohammad Kemal Agusta; Fadjar Fathurrahman; Amrina Mustaqim; Hermawan Kresno Dipojono
Journal of Mathematical and Fundamental Sciences Vol. 54 No. 2 (2022)
Publisher : Directorate for Research and Community Services (LPPM) ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.math.fund.sci.2022.54.2.2

Abstract

Our study examined the mechanism of oxygen reduction reactions (ORR) at the square paddle-wheel cage active site of TM-BTC metal-organic frameworks (MOFs), where TM is a transition metal, Mn, Fe, or Cu. We used a combination of density functional theory (DFT) and microkinetic calculations to investigate this mechanism. By using a small cluster for modeling the TM-BTC active site structure, we successfully reproduced the experimental trend of ORR activity in the TM-BTC systems: Mn-BTC > Fe-BTC > Cu-BTC. We also found that the unusual ORR activity trend in experiments for Mn and Fe systems originates from the strength of OH adsorption on these systems. The Mn-BTC system exhibits higher ORR activity than the Fe-BTC system due to its weaker adsorption of OH groups. A very strong OH adsorption makes the final OH reduction step sluggish, hence hindering the ORR process.
Smart Room Design as a Concrete Step Towards a Sustainable Smart Campus at the Institut Teknologi Sumatra Sabhan Kanata; Sabar Sabar; Amrina Mustaqim; Gde Komang Atmajaya; Muhammad Rizky Hikmatullah; Muhammad Asrofi; Asmar Asmar
Jurnal Ecotipe (Electronic, Control, Telecommunication, Information, and Power Engineering) Vol 10 No 1 (2023): Jurnal Ecotipe, April 2023
Publisher : Jurusan Teknik Elektro, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jurnalecotipe.v10i1.3807

Abstract

Institut Teknologi Sumatera (ITERA) is one of the new PTN campuses in Indonesia. As a campus that carries the smart-campus motto, ITERA will continue to create smart services, including saving electrical energy. One of the programs to support a sustainable campus is innovation in electrical energy management so that electrical energy efficiency can be maximized. The ITERA smart-room product called SMARTERA is one of the campus's tangible manifestations to control electrical equipment using Internet-based intelligent control of Things (IoT). The initial stage in this research is automatic control of the two most widely used electrical equipment in the campus environment, namely lights and air conditioning (AC)
Structure and Photo-response Properties of FZO/ITO Thin Film Amrina Mustaqim -; Yeli Krisdayanti Lature; Mohamad Samsul Anrokhi; Koko Friansa; Retno Maharsi; Eka Nurfani
Newton-Maxwell Journal of Physics Vol. 5 No. 1: April 2024
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/nmj.v5i1.33178

Abstract

The structure and photo-response properties of ZnO:Fe/ITO thin film synthesized using  a pyrolysis method were studied in this work. ZnO:Fe/ITO thin film referred to as FZO/ITO was characterized using the X-ray diffraction (XRD) technique and current-voltage (I-V) measurements. The XRD analysis showed that the detected peaks at 30.23°, 35.15°, 37.36°, 45.18°, and 50.54° belonged to the ITO cubic phase. The I-V analyses showed that the sample had the saturation current, Schottky barrier, and sensitivity of 16.24 µA, 0.4771, and 0,90 µA respectively. The FZO/ITO gave a good response toward the light.
Adsorption and Diffusion Energies Calculation of Sodium Ion Battery using GeTe Anode : A Density Functional Theory Study Putra, Septia Eka Marsha; Habibi, Fathan Akbar Nur; Simatupang, Daniel Hasiholan; Mustaqim, Amrina
Greensusmater Vol. 1 No. 2 (2024)
Publisher : Green and Sustainable Materials Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62755/greensusmater.2024.1.2.57-62

Abstract

Sodium batteries are the most potential candidates for future and green energies storage systems. However, there are problems with structural instability in the electrodes, which affect battery performance. Therefore, this study investigated the adsorption and diffusion mechanisms at the anode using a phase puckered Germanium Telluride (GeTe) monolayer structure. Density functional theory (DFT) calculations show that the Na-adsorbed hollow Te-Te structure is the most stable adsorption configuration (-1.25 eV). In the diffusion scheme, Na atoms move through the hollow Te-Te (initial state) followed by the hollow Ge-Ge (transition state), then to the hollow Te-Te (final state). The diffusion mechanism that occurs has lowest energy of 0.09 × 10-4 eV. These results suggest that the phase puckered GeTe monolayer has the potential as a high-performance sodium battery anode.
Studi Perencanaan Pembangkit Listrik Hibrid di Kelompok Ternak Sukamaju II Gani, Ferizandi Qauzar; Mustaqim, Amrina; Maharsi, Retno; Iqbal Damara, Muhammad
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 19 No. 2 (2025)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v19n2.2797

Abstract

This study focuses on the generation of energy from biogas and solar power into electricity in Purwodadi Dalam Village. It focuses on assessing both technical and economic feasibility, alongside the environmental benefits of reducing greenhouse gas emissions. The findings indicate that hybrid power plants have the capability to generate 76.365 kWh/year, 132.812 kWh/year, and 17.062 kWh/year, utilizing readily available raw materials. From an economic perspective, the project is projected to achieve net present values of Rp.327.085.000 and Rp.726.808.000, a benefit-cost ratio of 1.99 and 3.21, and investment payback periods of 6 years 9 months and 3 years 15 days. Additionally, the project offers a significant reduction in emissions, with potential reductions of 618,894 tCO2/year, 618,894 tCO2/year, and 18.30 tCO2/year. These results suggest that the development of this renewable energy project is both technically and economically viable
Simulasi Performa Mekanik Jarum Mikro Berbahan Tembaga Menggunakan Perangkat Lunak ANSYS Maharsi, Retno; Rohmah, Aidah; Widyawasih, Tata; Putra, Damianus Dinata; Milesa, Sabrina; Nugroho, Doni Bowo; Mustaqim, Amrina
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 19 No. 3 (2025)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v19n3.2858

Abstract

Microneedles are a minimally invasive transdermal technology that has been widely explored in biomedical applications. Copper (Cu) is a promising material for microneedles due to its favorable mechanical properties and inherent antimicrobial effects. However, numerical studies on the structural performance of copper microneedles remain limited. This study aims to evaluate the mechanical response of solid copper microneedles using finite element analysis (FEA) in ANSYS Workbench. A 3D conical microneedle model with a height of 1000 µm was subjected to external pressures ranging from 400 to 1000 MPa. Four key parameters—total deformation, equivalent stress, maximum principal stress, and structural error—were assessed under two mesh densities (coarse and fine). Simulation results indicate that the fine mesh yields more accurate and stable stress and deformation distributions compared to the coarse mesh. Additionally, the fine mesh better captures peak stress concentrations, which are critical for evaluating microstructural failure. These findings underscore the importance of mesh selection in numerical simulations and provide a foundation for the preliminary design of copper-based microneedles for medical applications.
Pelatihan Perakitan Robot Line Follower Pada Siswa SMAN 6 Metro Lampung Barra Harahap, Al; Yehezkiel Ginting, Listra; Dwi Grevika Drantantiyas, Nike; Mustaqim, Amrina; Wahyu Handani, Hesti
AMMA : Jurnal Pengabdian Masyarakat Vol. 4 No. 11 : Desember (2025): AMMA : Jurnal Pengabdian Masyarakat
Publisher : CV. Multi Kreasi Media

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

 Robotic system is a combination of various elements working together to control the behaviour, movement, and decisions made by the robot. The components are made of hardwares, softwares, user interface,  communication, mechanical structure, energy source, and safety. Using this technology, students of SMAN 6 Metro can stay up to date with recent technologies, and can implement it to solve problems as necessary. The aim for this community service is to introduce knowledge about the utility of robotic systems related to the components of the system and its implementation. The target of this event is students of SMAN 6 Metro and also the university students attending this event. Introduction starts with definition of robotic systems, components of a robot, methodology, and implementation. As a result of this event, we find that the knowledge of the students of SMAN 6 Metro seem to be improving significantly. The experience proved to be a fascinating experience for the students involved.
Co-Authors Adhitya Gandaryus Saputro Afit Miranto Ahmad Nuruddin Ali Muhtar Arifin Luthfi Maulana Asmar Asmar Barra Harahap, Al Doni Bowo Nugroho Dwi Grevika Drantantiyas, Nike Eka Nurfani Fadjar Fathurrahman Ferizandi Qauzar Gani Fikar Tsaqib Adnan Gde KM Atmajaya Gde Komang Atmajaya Habibi, Fathan Akbar Nur Hermawan Kresno Dipojono Iqbal Damara, Muhammad Koko Friansa Maharsi, Retno Milesa, Sabrina Mohamad Samsul Anrokhi Mohammad Kemal Agusta Muhammad Asrofi Muhammad Rizky Hikmatullah Putra, Damianus Dinata Putty Yunesti Retno Maharsi Rohmah, Aidah Sabar Sabar Sabhan Kanata Sefrani IG Siregar Septia Eka Marsha Putra Simatupang, Daniel Hasiholan Syamsyarief Baqaruzi Syamsyarief Baqaruzi Syauqi Abdurrahman Abrori Virgiawan Listanto Rahagung Wahyu Handani, Hesti Widyawasih, Tata Yehezkiel Ginting, Listra Yeli Krisdayanti Lature