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All Journal Jurnal Teknik Jurnal Teknologi Jurnal Manajemen Informatika RESISTOR (Elektronika Kendali Telekomunikasi Tenaga Listrik Komputer) Jurnal Teknik Mesin dan Mekatronika (Journal of Mechanical Engineering and Mechatronics) Jurnal Teknik Mesin Indonesia Jurnal Ilmiah Teknik Industri Indonesian Journal of Electrical Engineering and Computer Science Jurnal Nasional Teknik Elektro dan Teknologi Informasi Journal FORTEI-JEERI Jurnal Ilmiah Teknik Elektro J-ENSITEC (Journal of Engineering and Sustainable Technology)
Halim, Levin
Teknik Elektro, Fakultas Teknologi Industri, Universitas Katolik Parahyangan
Aerospace Engineering Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Initial Design of Dual-Axis Solar Tracker to Increase Efficiency of Monocrystalline Solar Panel Using Fuzzy Logic Method Sin Euy Gun; Levin Halim; Faisal Wahab3
Journal FORTEI-JEERI Vol. 1 No. 2 (2020): FORTEI-JEERI
Publisher : Forum Pendidikan Tinggi Teknik Elektro Indonesia (FORTEI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (742.146 KB) | DOI: 10.46962/forteijeeri.v1i2.17

Abstract

Fossils and mines become the main sources for producing the electricity in Indonesia. Due to availability of the sources, the price gets higher and it has a bad impact to the environment. Therefore, we need a new source to produce the electricity. A solar energy can be a solution, it has an unlimited availability and it’s eco-friendly. Solar panel can be a media to convert sun energy to electrical energy. Solar panel will be more efficient if the face of the panel always facing toward the sun. In this research, a panel will be designed so it can always move towards the sun movement. Fuzzy logic method will be use to the tracking method because it can increase the efficiency higher. Fuzzy logic systems consist of 4 input and 2 output. The inputs are based on each LDR sensor and the output is the motor on each axis. Based on the calculation horizontal has a 0,73% error and the vertical has 0,41%.
PERANCANGAN AWAL DAN ANALISIS KINEMATIKA PURWARUPA MESIN JACRO: Indonesia Levin Halim; Muhammad Fadhilah Sudrajat
J-ENSITEC Vol. 9 No. 01 (2022): December 2022
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (945.911 KB) | DOI: 10.31949/jensitec.v9i01.3074

Abstract

Pengeboran merupakan sebuah kegiatan membuat lubang vertikal ke dalam tanah. Pengeboran dapat dilakukan di mana saja, contohnya tanah, tebing, gua dan lainnya. Pengeboran memiliki resiko kerja yang tinggi, terlebih lagi pengeboran di dalam gua. Dengan tingginya resiko pekerjaan tersebut maka dibuat purwarupa untuk melihat pergerakan mesin dalam keadaan wireless. Purwarupa ini terdapat beberapa kompo- nen yang dibutuhkan, yaitu arduino uno, driver motor L298N, NRF24L01+, motor DC, motor stepper dan modul ULN2003A. Purwarupa ini di analisa dengan metode kinematika forward. Purwarupa ini memiliki desain awal yang dibagi menjadi tiga, yaitu track, rig dan base. Pada bagian kinematika, diagram benda bebas di tentukan arah vektor. Kemudian setelah arah vektor ditentukan, tabel DH dapat ditentukan. Setelah itu tabel DH dapat dijadikan input untuk simulasi MATLAB
Perancangan Awal Sistem Automatic Self-Checkout Untuk Produk Buah Berbasis CNN dan Sensor Berat Loadcell Levin Halim; Wafi Faisal Falah; Nico Saputro
Jurnal Teknik Vol 21 No 1 (2023): Jurnal Teknik
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37031/jt.v21i1.255

Abstract

The check-out system is one of the most important systems when we make purchases at a shopping center, shops, supermarkets, or mini markets. Determining different types of fruit is one of the problems faced in making payments, especially in supermarkets, because cashiers must determine the category labeling and weight of a particular fruit to determine the price. In this research, a design is proposed which utilizes Deep Learning in the field of image processing using the Convolutional Neural Network (CNN) algorithm utilizing RaspberryPi3. In making a classification system that uses deep learning, there are several main process stages, such as dataset collection, system design, training, and testing to see the results of the designed CNN model. The processed dataset in this research is a fruit image dataset derived from the Fruits-360. The results of the learning process obtained CNN models with 100% accuracy and loss of ≤ 0.026. The results of the CNN model that has been carried out will be combined with the load cell sensor which is expected to be used as an automatic self-checkout, especially for fruits. On the other hand, the calibration process of the loadcell weight measurement sensor is conducted which resulting an error measurement rate of 0.2 grams.
Kajian Interkoneksi untuk Sistem Pembangkit Listrik Tenaga Surya On-Grid Levin Halim
Jetri : Jurnal Ilmiah Teknik Elektro Jetri, Volume 21, Nomor 1, Agustus 2023
Publisher : Website

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jetri.v21i1.15297

Abstract

As an alternative source of green and renewable energy, a Solar Power Plant can be installed that utilizes solar cells. On-grid PV is one of the easiest types of PV systems to implement because it does not use batteries, but requires interconnection with the grid network system to run properly. On-grid PV interconnection requires technical study to review the impact of On-grid PV interconnection to the grid system and to review its compliance with the applicable Grid Code. Interconnection technical study consists power flow analysis, short circuit analysis, harmonic analysis, and transient stability analysis. The case study of the 7kW On-Grid PLTS installation is reviewed in this study, and the results of this technical study recommend that the On-Grid PLTS installation is feasible to operate and fulfills all the Grid-Code rules.
A critical evaluation of DC microgrid implementation in Indonesia: opportunities and challenges Levin Halim; Pinto Anugrah; Aditya Kurniawan; Khairuddin Karim
Indonesian Journal of Electrical Engineering and Computer Science Vol 34, No 2: May 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v34.i2.pp687-696

Abstract

This study thoroughly investigates the potential of direct current (DC) microgrids to enhance electricity access in rural and remote areas of Indonesia that continue to face significant obstacles despite ongoing national electrification efforts. Utilizing a mixed-methods approach, this research comprehensively evaluates socio-economic and technical factors that influence the adoption of DC microgrids. The results indicate that DC microgrids offer significant potential for enhancing energy access, reliability, and sustainability, particularly when combined with renewable energy sources. This aligns with Indonesia’s move towards renewable energy. Nevertheless, the analysis identifies significant obstacles, such as the substantial initial investment, the requirement for complete regulatory frameworks, and the technological complexities that need to be conquered. In conclusion, DC microgrids present a promising solution for rural electrification. However, the implementation requires a strategy that emphasizes strategic investments, policy innovation, and capacity-building initiatives. This research significantly contributes to the study of sustainable energy by evaluating the criticality of integrating policies and technology for implementing DC microgrids as a key factor in achieving sustainable energy access in Indonesia.
Co-Authors Aditya Kurniawan Alexander Matthew Christian Fredy Naa Faisal Wahab3 Hariyanto, Nanang Jonathan Chandra Khairuddin Karim Lisuarung S.E. Pasande Muhammad Fadhilah Sudrajat Muhammad Nurdin Muhammad Nurdin Nanang Hariyanto Nico Saputro Oetomo Sudjana Pinto Anugrah Rahayu, Triana Mugia Sin Euy Gun Wafi Faisal Falah