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All Journal Jurnal Edukasi Elektro Transmisi: Jurnal Ilmiah Teknik Elektro Jurnal Teknologi Elektro JURNAL NASIONAL TEKNIK ELEKTRO Jurnal ELTIKOM : Jurnal Teknik Elektro, Teknologi Informasi dan Komputer Journal of Applied Information, Communication and Technology (JAICT) JTERA (Jurnal Teknologi Rekayasa) JURNAL KAJIAN TEKNIK ELEKTRO TELKA - Telekomunikasi, Elektronika, Komputasi dan Kontrol Community Development Journal Indonesian Journal of Electrical Engineering and Computer Science Teknika Jurnal Abdimas ADPI Sosial Dan Humaniora Jurnal Sains Teknologi dan Sistem Informasi Jurnal Teknologi dan Manajemen Eksergi: Jurnal Teknik Energi International Journal of Management Analytics (IJMA) Journal Of Artificial Intelligence And Software Engineering Journal of Global Engineering Research & Science (J-GERS) Power Elektronik : Jurnal Orang Elektro SNTE
Brainvendra Widi Dionova
Program Studi Teknik Elektro, Fakultas Teknik Dan Ilmu Komputer, Universitas Global Jakarta
Aerospace Engineering Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mechanical Engineering Social Sciences Other

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PERBAIKAN WAKTU KERJA DENGAN MENGGUNAKAN MICROMOTION STUDY DAN PENERAPAN KAIZEN DALAM MENINGKATKAN PRODUKTIFITAS DI PERUSAHAAN MAINAN ANAK PT. XY Haryudiniarti, Ayu Nurul; Dionova, Brainvendra Widi; Sudirman, Sudirman; Karmin, Karmin; Al Hariyanto, Al Hariyanto; Harjiyanto, Kun; Hapsari, Anindya Ananda
Eksergi Vol. 18 No. 1 (2022): JANUARI 2022
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (755.224 KB) | DOI: 10.32497/eksergi.v18i1.3215

Abstract

Sudah menjadi pengetahuan umum bahwa industri manufaktur perkembangannya semakin meningkat dari waktu ke waktu sehingga para pelaku industripun harus selalu siap berkompetisi. Masalah dan faktor-faktor yang berhubungan dengan peningkatan produktifitas tetap perlu dan layak untuk diteliti agar tercipta peningkatan produktivitas yang sesuai dengan harapan dari para pelaku industri. PT. XY   merupakan salah satu perusahaan mainan anak yang ingin melakukan perbaikan metode kerja dan waktu kerja dalam usaha meningkatkan produktivitas. Metode yang digunakan dalam penelitian ini adalah menggunakan Micromotion Study dan Kaizen yang kemudian dituangkan dalam peta tangan kiri dan tangan kanan. Pengolahan data dan pembahasan dilakukan dengan membuat data pengukuran yang terdiri dari waktu perakitan   sebelum dan sesudah menggunakan analisis Micromotion Study dan Kaizen, data pengamatan tersebut kemudian dituangkan dalam peta tangan kanan dan tangan kiri. Tujuan dari penelitian ini adalah mendapatkan perbaikan rancangan kerja (redesign) dan pengurangan waktu pekerjaan di bagian perakitan balok dan pengemasan. Hasil dari penelitian ini didapatkan penurunan waktu kerja sebesar 144 detik dimana waktu sebelum perbaikan sebesar 424 detik, setelah perbaikan sebesar 280 detik, dan hasil dari kaizen berupa perbaikan lay out kerja di lokasi perakitan dan pengemasan balok kayu di PT. XY.
Prototype of Monitoring and Controlling System on Gondola Cage Security Based Android Application Dionova, Brainvendra Widi; Junesco Vresdian, Devan; Ananda Hapsari, Anindya; Budi Priyono, Sigit; Haryudiniarti, Ayu Nurul; Nafiulana Tri, Anggita; Manfaluthy, Mauludy; N. Abdulrazaq, Mohammed
Eksergi Vol. 18 No. 2 (2022): MAY 2022
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (471.978 KB) | DOI: 10.32497/eksergi.v18i2.3498

Abstract

Gondola is one of the facilities used in high-rise buildings that are used to access the outside of the building. Gondola has a maximum load limit that is safe to transport it. Gondola is also often damaged in the cage caused by collisions on the side of the building. Until now, the gondola control still uses buttons which also often experience problems. This study aims to provide monitoring of the cage load and provide information about the distance of the cage to surrounding objects. Gondola control through an android application also includes this research in order to provide an alternative if the buttons on the gondola control experience problems. The short-term goal of this research is to carry out an innovation in the gondola field by conducting experiments through prototypes. The medium term goal is to apply the results of this research into a gondola. The results of this study control and monitoring can function properly even though the results produced are not yet accurate due to the imperfect quality of components, materials and assembly.
Comparative Analysis of Windings and Vector Groups in 20/0.4 kV Distribution Transformers at CV. Centrado Prima Hidayat, Taopik; Dionova, Brainvendra Widi; Wilyanti, Sinka; Mohammed, M. N.
Eksergi Vol. 18 No. 3 (2022): SEPTEMBER 2022
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/eksergi.v18i3.3765

Abstract

Turn ratio test is a comparison test of the number of secondary turns with the primary turns on the transformer. The turns ratio and group vector testing is one of the routine transformer tests. This test generally uses the Transformer Turns Ratio (TTR) test tool, the test equipment used sometimes experiences technical and non-technical problems so a comparative test method is needed to get a good analysis. The research method used is observational research and literature study, namely analyzing the transformer to be studied by conducting TTR testing in two ways, namely testing with test equipment and three-phase low voltage sources, aiming to obtain a very good level of accuracy. The test results were analyzed and compared with theory and calculations, with reference to the IEC 60076-1 standard. The results of the comparison of windings and group vectors using TTR 100 test equipment and a 3-phase low voltage source (TVR) show the same conclusions as the results of the analysis, where the first transformer sample is in normal condition and meets the requirements. SPLN D3.002-1:2007 or IEC Standard 60076-1. While the second sample transformer is in an abnormal condition in the W winding where the difference value is above 0.5%.
Evaluation of 300 WP Solar Photovoltaic Panel Performance for Electric Vehicle Charging Station Dionova, Brainvendra Widi
Eksergi Vol. 19 No. 03 (2023): SEPTEMBER 2023
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/eksergi.v19i03.5008

Abstract

Conventional transportation methods result in the release of harmful greenhouse gases into the environment. Electric vehicles offer an alternative to mitigate this environmental harm. Electric Vehicle Charging Stations (EVCS) are crucial infrastructure components for supporting electric vehicles.  Photovoltaics represents a facet that can be integrated into EVCS to improve eco-friendly power generation. Various factors, including temperature, humidity, and light intensity, influence electricity generation in photovoltaic (PV) systems. This research examines the consequences of temperature, humidity, and light intensity fluctuations within EVCS. During the system integration testing conducted between 09:00 and 16:00, it was noted that there is an inverse relationship between air humidity and temperature; when air humidity increases, temperature decreases, and vice versa. The solar panel exhibits its highest sunlight intensity reception between 09:30 and 15:30. The peak power output from the solar panel was registered at 13:00, with an air temperature of 40.40 °C, air humidity at 35%, and light intensity at 54.61 Cd, resulting in a solar panel power output of 146.1 Watts. Conversely, the lowest power output from the solar panel was observed at 16:00, with an air temperature of 31.80 °C, air humidity at 54%, and light intensity at 39.39 Cd, leading to a solar panel power output of 107.36 Watts. Anticipated findings from these analyses are expected to contribute to future technological advancements, enabling the creation of competitive products in the market.
Automatic Fire Extinguishing System Using Smoke Detector and Heat Detector Based on Programmable Logic Controller Dionova, Brainvendra Widi; Setiawan, Antonius Darma; Vresdian, Devan Junesco; Pratama, Legenda Prameswono; Abdullah, Muhammad Irsyad; Mohammed, M. N.
Eksergi Vol. 20 No. 01 (2024): JANUARY 2024
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/eksergi.v20i01.5406

Abstract

Fire is a disaster that is often encountered throughout the year. This research aims to protect and mitigate the worst possibility of a fire disaster. A PLC automatically creates the work system of this tool, using it as the controller. This tool utilizes two sensors: a smoke detector and a heat detector. Two smoke detectors and one heat detector automatically make the system, each providing input to the PLC. The system splits into two parts: Alarms 1 and 2. If any of the three sensors send input to the PLC, Alarm 1 triggers a buzzer and a yellow light. Alarm 2 occurs if 2 or 3 sensors provide input to the PLC and provide output as the bell lights up, the flash lights up, and the solenoid opens to release Co2 into the room.  
Design and Simulation of Asynchronous Buck Converter using Fuzzy Logic Controller (FLC) Hutagalung, Nirmalasari; Dionova, Brainvendra Widi; Hendrawati, Dwiana
Eksergi Vol. 20 No. 02 (2024): MAY 2024
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/eksergi.v20i02.5804

Abstract

Currently, Indonesia's energy is running out andhas received serious attention so the Government targets thatby 2050 the role of renewable energy will be at least 31%. Thisencourages the production of various alternative energysources that are environmentally friendly and available, suchas solar power plants. However, solar intensity and a dynamicenvironment strongly influence the output power generated bysolar panels. So in this research, an asynchronous buckconverter design using MPPT will be made to track themaximum power point of solar panels with the fuzzy logiccontroller method which will be applied to Monocrystallinesolar panels with a capacity of 300WP. Fuzzy MPPT will adjustthe duty cycle by PWM Arduino Nano on the asynchronousbuck converter to keep reaching the maximum power point.The results show that the developed system can increase powerconversion efficiency and maintain output voltage stabilityunder various operational conditions. The implementation ofFLC as MPPT on Asynchronous Buck Converter successfullyoptimizes the power absorbed from solar panels, thussupporting the reduction of electrical energy consumption fromPLN in the Jakarta Global University student associationsecretariat building. This implementation is expected to be areference for the implementation of a smarter and moresustainable energy management system in the future.
Validation of Pressure Transmitter Input/Output Loop Testing Based on Hybrid Analog and Digital HART Communication Wintio, Rafii Trimetta; Dionova, Brainvendra Widi; Yusuf, Ahmad
Eksergi Vol. 21 No. 01 (2025): JANUARY 2025
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/eksergi.v21i01.6358

Abstract

The use of the 4–20 mA analog signal remains a foundational standard in industrial measurement and control systems, despite the continuous advancement of digital communication technologies. This study implements a hybrid validation approach that integrates the conventional 4–20 mA analog signal with HART (Highway Addressable Remote Transducer) digital communication for conducting Input/Output (I/O) loop testing on pressure transmitters. The primary objective is to ensure the accuracy and reliability of signal transmission from field instruments to control systems such as Programmable Logic Controllers (PLCs) or Flow Computers. Utilizing a HART modem and FieldMate software, analog signals are injected and digitally monitored to verify transmitter output against predefined tolerance standards. Test results indicate that all evaluated transmitters maintained an error level below the 0.25% threshold, in compliance with standards set by the Directorate of Metrology and ASTM/API guidelines. The integration of HART communication significantly enhances testing efficiency, diagnostic capability, and remote configuration flexibility, underscoring the critical role of hybrid validation approaches in modern industrial instrumentation systems
Rancang Bangun Alat Pengukuran Viskositas Menggunakan Sensor UGN3503 pada Oli Berbasis Android Dionova, Brainvendra Widi; Supriyono, Eko; Hutagalung, Nirmalasari; Vresdian, Devan Junesco; Pratama, Legenda Prameswono; Hapsari, Anindya Ananda
Seminar Nasional Teknik Elektro Vol. 3 No. 1 (2023): SNTE II
Publisher : Forum Pendidikan Tinggi Teknik Elektro Indonesia Pusat

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

Abstract

Viskositas adalah merupakan ukuran kekentalan fluida yang menyatakan besar atau kecilnya gesekan didalam fluida. Penelitian ini bertujuan untuk mengetahuin nilai dari viskositas sebuah Oli dan mengembang alat ukur viskositas bola jatuh menjadi lebih modern karena menggunakan android sebagai basisnya. Dalam penelitinaan ini menggunakan Metode bola jatuh. Bola dijatuhkan secara bebas kedalam fluida oli. Untuk dapat mengetahui kecepatan bola jatuh, di luar pipa diberi Sensor untuk mendapatkan waktu tempuh bola dari titik satu ke titik dua pada jarak ketinggian tertentu, sehingga diperoleh data waktu tempuh bola jatuh (t) dan jarak tempuhnya (h). Nilai koefisien viskositas fluida ditentukan berdasarkan persamaan dari gayagaya yang bekerja pada bola magnet yang bergerak di dalam pipa. Gaya-gaya tersebut antara lain gaya apung, gaya gesekan berdasarkan hukum Stokes, dan gaya berat. Dari waktu yang didapatkan oleh Arduino dan dikirim keandroid maka andoid akan memproses data dan ditampikan layar smartphone, berdasarkan penelitian oli federal semakin tinggi type oli maka tingkat kekentalan akan semakin tinggi, seperti 1. Oli Federal tipe Matic 30 Eco maxx dengan nilai viskositas = 146.4234339 Pa/s, 2. Oli Federal tipe Matic Ultratec 10W-30 dengan nilai viskositas = 189.8221584 Pa/s, 3. Oli Federal tipe Matic Ultratec 20W-50 dengan nilai viskositas = 341.8454277 Pa/s. Dan oli yang sudah digunakan 1 bulan maka nilai viskositasnya akan menurun seperti Oli Federal tipe Matic 30 Eco maxx (Bekas 1 bulan) dengan nilai viskositasnya menjadi 94.49722275 Pa/s. Penelitian ini memudahkan pengguna dalam mengukur tingkat kekentalan oli yang baru maupun sudah digunakan.
Rancang Alat Peringatan Bahaya Banjir dengan Sistem IoT di Katu Lampa Kota Bogor Jawa Barat Sobar, Dedi; Pratama, Legenda Prameswono; Hapsari, Anindya Ananda; Dionova, Brainvendra Widi; Vresdian, Devan Junesco; Hutagalung, Nirmalasari
Seminar Nasional Teknik Elektro Vol. 3 No. 1 (2023): SNTE II
Publisher : Forum Pendidikan Tinggi Teknik Elektro Indonesia Pusat

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

Abstract

Banjir merupakan salah satu bencana alam yang dapat di prediksi dari hulu ke hilir. Kenaikan debit air Sungai menjadikan ini penting pada sisi hilir untuk meminimalisir dampak yang di timbulkan dari hasil luapan. Pada penelitian kali ini, penulis memaparkan rancang bangun sistem monitoring dan peringatan dini banjir dengan mengunakan media internet of think dengan menitik beratkan pada akurasi alat dan implementasi langsung. Memulai penelitian dengan menggunakan beberapa langkah metode penelitian, seperti analisis sistem, diikuti oleh perancangan perangkat keras, pengembangan perangkat lunak, dan tahap akhir adalah pengujian perangkat keras dan perangkat lunak. Hasil pengujian yang diperoleh adalah sebagai berikut: pada ketinggian 40 cm (normal), buzzer tidak aktif dan lampu hijau menyala, pada ketinggian 120 cm - 160 cm (standby), buzzer tidak aktif dan lampu kuning menyala, dan pada pengujian individu pada ketinggian 210 cm - 250 cm (bahaya), sinyal peringatan aktif setiap setengah detik. Uji coba akurasi sensor ultrasonik pada Bendungan Katu Lampa menunjukkan akurasi data yang baik dengan error yang di dapat tidak lebih dari 10%.
Prototipe Alat Ukur Ketinggian Coil Block Pada Kereta Kerja Kereta Cepat Indonesia China Dionova, Brainvendra Widi
Jurnal Teknologi Elektro Vol 16, No 3 (2025)
Publisher : Electrical Engineering, Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jte.2025.v16i3.010

Abstract

Pembuatan desain prototipe alat ukur ketinggian Coil Block Track Circuit Reader pada Kereta Kerja KCIC dilakukan secara konvensional dengan mengukur secara manual dari  permukaan rel mengunakan mistar. Pencahayaan yang didapat tidak maksimal karena coil blok track circuit reader berada di underfloor sehingga menyulitkan dalam pengukuran. Hal ini memungkinkan kurangnya tingkat keselamatan, kepraktisan pencatatan dan akurasi hasil pengukuran. Tujuan dari penelitian ini adalah membuat prototipe alat ukur ketinggian track circuit reader untuk meningkatkan akurasi dan keselamatan petugas. Metode yang dilakukan ini berdasarkan perancangan dan pembuatan alat. Hasil  pengukuran penyimpangan Prototipe Alat ukur ketinggian Coil Block Track Circuit Reader yang dilakukan oleh 4 orang adalah 0.0067 %, sedangkan hasil penyimpangan metode manual adalah 1.132 %. Berdasarkan data tersebut, terdapat penurunan hasil penyimpangan dengan kemampuan akurasi alat dua angka di belakang koma dilengkapi display dan hasil pencatatan otomatis terekam pada excel. Sehingga tercapainya keakuratan pengkuran Coil Track Circuit Reader sesuai dengan standar, memudahkan perekaman data pengukuran serta meningkatkan keselamatan pekerja.
Co-Authors AA Sudharmawan, AA Abdullah, Muhammad Irsyad Abdulrazaq, Mohammed N. Abir Oktaviani Aditia Hamid Agnemas Yusoep Islami Ahmad Yusuf Al Hariyanto, Al Hariyanto Al-Humairi, Safaa Najah Sahud Ananda Hapsari, Anindya Andreansyah, Teddy Anindya Ananda Hapsari Ariansa, Hasri Ariep Jaenul Ariep Janeul Arisa Olivia Putri Ayu Nurul Haryudiniarti Budi Priyono, Sigit Cahyo Wibisono Suryo Jati Desi Hertin, Revita Devan Junesco Vresdian Dian Nugraha Dwiana Hendrawati Eko Supriyono, Eko Faizah, Safira Febria Anjara Feri Nugroho Hamid, Aditia Putra Hamzah Eteruddin Hidayat, Taopik Hutagalung, Nirmalasari Ikmal Ikmal Ikmal Junesco Vresdian, Devan Karmin Karmin, Karmin Kun Harjiyanto Legenda Prameswono Pratama Leni Novianti M. N. Mohammed M.N.Mohammed Mahmmoud Hussein A. Alrahman Manfaluthy, Mauludi Manfaluthy, Mauludy Mohamad Zaenudin Mohammed N. Abdulrazaq Mohammed, M. N. Muhammad Irsyad Abdullah Mulyono Mulyono N. Abdulrazaq, Mohammed Nafiulana Tri, Anggita Novitasari, Alfiah Jihan Nur Fatowil Aulia Pratama, Bambang Surya Pratama, Legenda Pramewono Rahmanda, Ibnu Dwi Rosyid Ridlo Al-Hakim Salsabil, Sani Salsabila, Ghina Setiawan, Antonius Darma Sinka Wilyanti Sinta Restuasih Sobar, Dedi Sudirman Sudirman Sundari, Delta Suryo Jati, Cahyo Wibisono Suwarti Suwarti Taopik Hidayat Vresdian, Devan Junesco Wahyono Wahyono Wilyanti, Sinka Wintio, Rafii Trimetta Yanuar Arief Yanuar Zulardiansyah Arief Yasya Khalif Perdana Saleh Zuhriyah, Halimatuz