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Desain Dan Implementasi Sistem Absensi Mahasiswa Menggunakan Fingerprint Berbasis Mikrokontroler Prini, Salita Ulitia; Iskandar, Handoko Rusiana
Jurnal Teknik: Media Pengembangan Ilmu dan Aplikasi Teknik Vol 17 No 1 (2018): Jurnal Teknik - Media Pengembangan Ilmu dan Aplikasi Teknik
Publisher : Fakultas Teknik - Universitas Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1042.068 KB) | DOI: 10.26874/jt.vol17no1.62

Abstract

Pada suatu universitas, kehadiran siswa adalah salah satu hal yang dapat mendukung atau memotivasi kegiatan pembelajaran yang dilakukan di Perguruan Tinggi. Selain itu, kehadiran siswa juga bisa menjadi informasi tentang bagaimana kedisiplinan siswa tersebut. Suatu mikrokontroler dapat dimanfaatkan sebagai suatu sistem baru dengan penambahan sensor-sensor sesuai dengan kebutuhan dan fungsi yang diinginkan. Sistem absensi menggunakan fingerprint telah banyak digunakan di berbagai instansi baik berbasis web online ataupun offline, akan tetapi untuk implementasi pada mikrokontroler sistem yang portable dengan fingerprint sensor sejauh ini belum dikembangkan. Penelitian ini akan mencoba merancang dan mengimplementasikan sistem absensi mahasiswa menggunakan fingerprint sensor berbasis mikrokontroler yang nantinya akan terhubung dalam suatu database pada desktop dengan sifat yang user-friendly dan dengan biaya yang tidak begitu besar. Sistem ini diharapkan dapat membantu menanggulangi masalah kecurangan absensi yang sering terjadi serta memberikan kemudahan untuk melakukan rekapitulasi absensi mahasiswa selama proses pembelajaran. Penelitian ini merupakan penelitian awal untuk menghasilkan sistem monitoring absensi yang nantinya dapat dikembangkan keluarannya pada sistem informasi Universitas Jenderal Achmad Yani.
Sistem Monitoring Cerdas pada Motor Induksi 3 Fasa Berbasis Jaringan Sensor Nirkabel dan Aplikasi Blynk Server Iskandar, Handoko Rusiana; Juniarto, Eko; Heryana, Nana
Jurnal Teknik: Media Pengembangan Ilmu dan Aplikasi Teknik Vol 17 No 2 (2018): Jurnal Teknik - Media Pengembangan Ilmu dan Aplikasi Teknik
Publisher : Fakultas Teknik - Universitas Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (596.625 KB) | DOI: 10.26874/jt.vol17no2.82

Abstract

Suatu rancang bangun sistem monitoring berbasis jaringan sensor nirkabel dibuat untuk mendapatkan informasi kondisi terkini suatu peralatan listrik. Informasi kondisi memberikan diagnosa dan aksi pemeliharaan yang dilakukan untuk memperpanjang umur layan suatu peralatan listrik. Isu kehandalan teknologi yang diiringi oleh digitalisasi sistem informasi telah mendorong manusia untuk berinovasi menciptakan perangkat monitoring dan data logging di segala bidang keteknikan.  Makalah ini menjelaskan rancang bangun sistem monitoring cerdas untuk motor induksi 3 (tiga) fasa menggunakan jaringan sensor nirkabel dan aplikasi Android. Sistem ini dibuat untuk mendeteksi ketidakseimbangan tegangan dan beban lebih pada motor induksi 3 fasa. Rancang bangun sistem ini terdiri dari NodeMCU ESP8266 yang berfungsi sebagai unit kendali, modul ADS1115 sebagai multiplexer untuk input sensor ACS712 dengan arus operasi maksimal 20 A, dan sensor tegangan untuk motor induksi 3 fasa, serta dilengkapi disain sistem antarmuka aplikasi Android menggunakan Blynk cloud server. Pengujian skala laboratorium telah dilakukan yang menghasilkan akurasi sensor tegangan (R-S, S-T dan R-T) rata-rata sebesar 0,3 % dan sensor arus sebesar 2,8%, kemudian pengujian ketidakseimbangan tegangan sebesar 7,2 V. Masing-masing fasa motor memiliki toleransi 3% dari nilai tegangan sumber catu daya modul trainer 240 VAC 50 Hz dan data dimonitor secara real time kemudian disimpan dalam server (cloud server).
COMPACT FLUORESCENCE LAMP BASED ON POWER ELECTRONICS TECHNOLOGY: ITS ADVANTAGES AND DISADVANTAGES Heryana, Nana; Iskandar, Handoko Rusiana; Widodo, Bambang; Purba, Robinson
JTERA (Jurnal Teknologi Rekayasa) Vol 4, No 1: June 2019
Publisher : Politeknik Sukabumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (308.077 KB) | DOI: 10.31544/jtera.v4.i1.2019.99-108

Abstract

Power-electronics based Compact Fluorescent Lamps (CFLs) have been proven to reduce electrical energy consumption for lighting purpose. As in common power-electronics-based electrical devices, CFLs can be categorized as non-linear loads. Therefore, the input current has a non-sinusoidal waveform and contains harmonics. This paper discusses the advantages and disadvantages of CFL application and proposes the attachment of THD value to the product package in order to improve the marketing policy. Total Harmonic Distortion (THD) is a method used to find the percentage value between the total harmonic components and their fundamental components. The percentage of THD causes the greater risk of damage to equipment due to harmonics that occur in current and voltage. Laboratory testing shows that a CFL sample has THD of the input current as high as 67.7%. This THD is relatively high and may degrade the electrical power quality. Moreover, it could lead to the misreading of electrical power and energy meter. Several experiment results are shown and analyzed to confirm the validity of the discussed matter.  
Algoritma Incremental Conductance dan Perturbation Observation Sebagai Kendali MPPT PLTS 1000Wp Iskandar, Handoko Rusiana; Yuda Bakti Zainal; Susanto Sambasri; M. Haris Yogi Ernanda
Jurnal Teknik: Media Pengembangan Ilmu dan Aplikasi Teknik Vol 19 No 2 (2020): Jurnal Teknik - Media Pengembangan Ilmu dan Aplikasi Teknik
Publisher : Fakultas Teknik - Universitas Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26874/jt.vol19no02.151

Abstract

Nowadays, electricity consumption in Indonesia still rising the future, as fuel cell energy reserves continue to decline, this has pushed people to switch to new and renewable energy which guarantees the availability of new electricity sources. A Photovoltaic system has been installed in the Electrical Engineering Laboratory with a capacity of 1 kWp. The PV system is proposed as a new source of electricity to support the electricity needs of laboratories other than PLN. This paper compares the modeling that has been done using the Maximum power point tracking (MPPT) algorithm namely Incremental Conductance (IC) and Perturbation & Observation (P&O) in Standard Test Condition (STC) of 1000 W/m2 and a temperature of 25ËšC. The control simulation of the MPPT DC / DC Boost Converter is calibrated to satisfy the 220V/50 Hz PLN grid. The simulation results the MPPT control with the P&O algorithm has output power of 960 W and an efficiency of 99,9 % when using the IC process has 944 W and an efficiency of 98,7%. The P&O was selected to have optimum performance relative to the IC approach in the 1000 Wp PLTS system in the Electrical Engineering Laboratory.
Feasibility and Design of Grid-connected Floating PVs in West Java, Indonesia Iskandar, Handoko Rusiana; Iman, Agnia; Daelami, Ahmad
Elektron : Jurnal Ilmiah Volume 15 Nomor 2 Tahun 2023
Publisher : Teknik Elektro Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/eji.0.0.361

Abstract

The modeling and design of grid-connected floating photovoltaic (PV) are covered in this paper. Using dams in West Java as a location with present floating PV potential, this paper encourages the development of renewable energy and the construction of fossil-free power plants in various parts of Indonesia. Three alternative locations—the Saguling, Cirata, and Jatiluhur dams—are proposed for floating-PV type designs, each having a capacity of 1 MW grid-connected. The modeling process uses a variety of dependable auxiliary software to simulate possible solar energy use as well as capacity design optimization of system components. Modeling and simulation findings indicate that the grids of the Saguling, Cirata, and Jatiluhur dam have a combined potential for electrical energy of 1705.2 MWh/year, 1635.4 MWh/year, and 1611.8 MWh/year, respectively, with an average performance ratio of 0.74 to 0.75. The total PV capacity for each dam is 1197 Wp, using 550 Wp/PV panel with an efficiency 21.51%/PV and 4 Inverters for grid connectivity. There are 544 PV units per array. 5561 m2 is the estimated area needed to build this system.
A Review: Reliability Assessment of Isolated Phase Busduct Through FMEA and RCFA Methodologies Iskandar, Handoko Rusiana; Ahmad Daelami; Awang Rahmawan Prakoso; Cepi Arifin; Miftah Farid
Jurnal Teknik: Media Pengembangan Ilmu dan Aplikasi Teknik Vol 24 No 1 (2025): Jurnal Teknik - Media Pengembangan Ilmu dan Aplikasi Teknik
Publisher : Fakultas Teknik - Universitas Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55893/jt.vol24no1.737

Abstract

This research discuss the reliability of the Isolated Phase Busduct (IPB) geothermal generating unit still needs to be improved because the same disturbances still occur, where in the 2018-2023 period these disturbances have contributed to a Loss Production Opportunity of around 65 billion rupiah. Therefore, this research will provide suggestions or suggestions for what factors need to be improved so that the reliability of IPB in each geothermal power plant unit increases. The methods used in this research are failure mode and effect analysis (FMEA) and the Root Cause Failure Analysis (RCFA) method, where FMEA helps in identifying potential failures and determining mitigation priorities and determining the value of the Risk Priority Number (RPN), Root Cause Failure Analysis (RCFA) reveals the main causes of failures that have occurred, from these two methods it is known that the disturbances that occur can actually be identified earlier by 91.2% as well as factors such as manufacture design, aging equipment, improper installation, Lack of Quality Control, and inappropriate mobilization must be eliminated in an effort to increase IPB's reliability where these factors must be considered from the project phase to the operational phase.
Feasibility Design: Case Study of Rooftop PV System for Pharmaceutical Company Iskandar, Handoko Rusiana; Fuadiyyah, Siti Syamroatul
Jurnal Teknologi Vol. 17 No. 2 (2025): Jurnal Teknologi
Publisher : Faculty of Engineering Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jurtek.17.2.101-114

Abstract

According to 2019 data, solar energy represents the most significant potential for renewable energy (RE), totalling 207.8 GW. This has propelled the use of solar renewable energy across all industrial sectors, emphasizing ecologically sustainable energy derived from photovoltaic (PV) technology. This context has propelled the design and empirical evaluation of a grid tied rooftop PV system for the load of an Air Handling Unit (AHU) at a corporation. This study delineates various PV roof-top design methodologies, encompassing K2 base system simulation, solar energy potential (kWh/m2/day), available area, component generation capacity, and an analysis of the Levelized Cost of Energy (LCOE), Net Present Cost (NPC), and PV contributions to the RE and PLN grid sources utilizing Homer software. The modelling and analytical results produced an average solar energy of 4.81 kW/m²/day. The usable area encompasses 3,140 m², accommodating 1,324 panels capable of producing 52.6 kWp of energy to meet the existing electricity demand of 5,808 kW/day. The total energy produced is 756,389 kWh, with a renewable share of 33.5%. The NPC value is Rp43,680,200,000.00, the LCOE is Rp1,050.30, the reduction value is 5.8%, and the running cost is Rp2,013,450,000. In contrast to the electricity provided by Grid at 2,119,920 kWh/year, the PV contribution is 1,502,835 kWh/year, resulting in a 29% reduction in emissions.
RENEWABLE ENERGY SOLUTION: SOLAR PHOTOVOLTAIC SYSTEM DESIGN FOR SUPPLYING REMOTE TERMINAL UNIT PANELS IN THE KEDUNG PUTRI IRRIGATION SYSTEM Iskandar, Handoko Rusiana; Fadihilah, Laili; Daelami, Ahmad
Jurnal Media Elektrik Vol. 22 No. 3 (2025): MEDIA ELEKTRIK
Publisher : Jurusan Pendidikan Teknik Elektro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59562/metrik.v22i3.7754

Abstract

The Kedung Putri Dam Irrigation Area is situated in the Purworejo Regency, Central Java Province. It is an irrigation system employed for agricultural production, although it is significantly distant from grid electrical supplies. Photovoltaic (PV) power plants, utilizing renewable energy sources, exhibit an average solar energy potential of 5.041 kWh/m2/day. The PV system was designed in six steps, from data collecting to performance evaluation. The method started with location data, meteorological data (solar irradiation and temperature), and the Remote Terminal Unit (RTU) panel energy consumption. PVsyst 7.2 calculates daily load capacity, size, and number of solar panels depending on local irradiation. This simulation models system performance using environmental conditions and outputs technical specifications, estimated energy production, and solar fraction. Based on the calculations, PVSyst modelling, and this paper's analysis, the following conclusions were obtained to meet the objectives: RTU panels at B.Ks.1, B.Kd.1, B.Kd.3, and B.Kd.7.Tg must have a minimum PV capacity of 300 Wp and a maximum of 450 Wp with 375 Ah; 12 V battery operation. SCC unit with 20 A load current and 600 W nominal operational power (24 V battery) is installed. Preliminary PVsyst software simulations show that the four locations average 415.125 kWh/year. The four locations utilise 400.5 kWh/year and average 71.5% performance. Average solar fraction ratio of four places is 68.5%; energy lost is 184.23 kWh/year. A thorough review of the PV system's performance shows that 300 Wp has a higher PR value than 450 Wp. The PV capacity has an average annual SF value of 0.685 across the four locations, indicating that the solar power system can supply 68.5% of the RTU panels' power, while 31.5% requires other energy sources or more batteries.
Pelatihan Instalasi Listrik Rumah Tangga Dan Elektronika Dasar Bagi Pemuda Di Desa Cilame Kecamatan Ngamprah Kabupaten Bandung Barat Fakhri, Zul; Sunubroto, Sunubroto; Iskandar, Handoko Rusiana; Daelami, Ahmad
Jurnal Abdimas Kartika Wijayakusuma Vol 1 No 1 (2020): Jurnal Abdimas Kartika Wijayakusuma
Publisher : LPPM Universitas Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (402.183 KB) | DOI: 10.26874/jakw.v1i1.10

Abstract

Desa Cilame adalah sebuah kawasan di Kecamatan Ngamprah Kabupaten Bandung Barat, Jawa Barat. Cilame merupakan desa terluas di Kecamatan Ngamprah dan dihuni penduduk sekitar 34.689 jiwa yang tergabung dalam 25 Rukun Warga (RW). Jumlah masyarakat yang tergolong pemuda usia produktif 15 tahun s/d 30 tahun sebanyak 6.533 jiwa. Dari jumlah tersebut, jumlah pemuda yang putus sekolah sebanyak 1.287 orang. Makalah ini menguraikan tentang kegiatan pengabdian kepada masyarakat dalam bentuk pelatihan instalasi listrik rumah tangga dan elektronika dasar untuk pemuda putus sekolah di desa Cilame. Pemberian pelatihan tersebut ditujukan agar pemuda putus sekolah dapat menggunakan hasil pengetahuan dan keterampilan untuk keperluan sendiri atau untuk membuka usaha dengan berwiraswasta. Program pelatihan dalam kegiatan pengabdian masyarakat ini terbagi menjadi beberapa bagian, yaitu pre-test, pembuatan modul pelatihan, diskusi interaktif, workshop, dan post test. Kegiatan pelatihan ini bertempat di Gedung Aula Desa Cilame Kecamatan Ngamprah, Kabupaten Bandung Barat dan diikuti oleh 12 peserta. Program pelatihan berjalan dengan baik dan lancar sesuai dengan rencana kegiatan yang telah disusun. Meskipun belum semua peserta menguasai dengan baik materi yang disampaikan, tetapi peserta antusias dalam mengikuti pelatihan yang diberikan dan terlibat aktif dalam sesi diskusi maupun praktik.
Charging Station for Two-wheelers Electric Vehicle Powered by Photovoltaic System Iskandar, Handoko Rusiana; Haz, Fauzia
PROtek : Jurnal Ilmiah Teknik Elektro Vol 12, No 2 (2025): Protek : Jurnal Ilmiah Teknik Elektro
Publisher : Program Studi Teknik Elektro Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/protk.v12i2.9180

Abstract

Indonesia has significant solar energy potential, ranging from 4.88-5.78 kWh/m2 /day with a production of 444 GWh by 2022, which is supported by various government initiatives and research projects focused on renewable energy-based two-wheeled electric vehicles. The increasing prevalence of electric vehicles in Indonesia necessitates the adaptation of photovoltaic (PV)-based renewable energy infrastructure to provide power sources for battery-operated two-wheeled electric vehicle charging stations. This paper presents proposals for the implementation of two-wheeled electric vehicles, utilizing various battery technologies combined with PV-based renewable energy systems, incorporated into various plans and schemes. The research methodology was developed by evaluating the electric vehicle battery requirements and system component capacities, while the charging cycle describes the relationship between the battery capacity and the capacity of 200 Wp, 400 Wp, and 500 Wp photovoltaic panels. The calculation results show that the charging system uses various PV panel capacities. The 200 Wp PV panel requires the longest charging duration. The 400 Wp photovoltaic panel serves as an intermediate charging station. The 500 Wp photovoltaic panel shows the fastest charging duration among the three types of panels, ranging from 1 to 3.7 hours, depending on the battery load rating of the electric wheeled vehicle. In addition, the proposed PV charging system provides various battery capacity options with consideration of autonomous time (1-4 days) where the charging time of 4 days for electric vehicle battery capacity 2000 Wh will be in line with the battery demand in the charging station.