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Comparative evaluation of centralized and decentralized solar street lighting systems Joviancent, Kenzie; Halim, Levin; Naa, Christian Fredy
International Journal of Electrical and Computer Engineering (IJECE) Vol 14, No 5: October 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v14i5.pp4869-4878

Abstract

Inadequate lighting can hinder outdoor activities such as traffic or pedestrian access. Solar street lighting system is planned to provide sufficient lighting for roads lacking proper illumination. DIALux software uses simulation to determine the lamp power and pole specifications, followed by applying formulas to establish component specifications. In this research, a performance comparison based on voltage drop and power losses will be conducted for solar street lighting systems with decentralized and centralized systems. With a road length of 130 meters and a width of 5 meters, simulations were performed for each variable of lamps (10, 12, 19, and 30 Watt). The calculations show that 4 streetlights are needed, and simulation results indicated that the most suitable lamp power is 12 Watt. The analysis showed that the centralized and decentralized designs do not have voltage drops exceeding the applicable limit. However, the centralized design has higher power losses amounting to 3.68 Watt. Another advantage of the decentralized design is its independence, with each load powered by a separate solar panel, while the centralized design is vulnerable to the overall system. In conclusion, the decentralized design is more suitable for implementation after comparing the centralized and decentralized designs based on the voltage drop and power losses.
Pendampingan Program Technocreator dan Perancangan Kurikulum Ekstrakurikuler Robotik untuk SMAK 1 BPK Penabur Bandung: Technocreator Program Support and Robotic Extracuricular Curriculum Design for SMAK 1 BPK Penabur Bandung Halim, Levin; Naa, Christian Fredy; Arthaya, Bagus; Saputro, Nico; Sadiyoko, Ali
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 9 No. 3 (2024): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v9i3.6605

Abstract

This community service establishes a collaborative effort between Parahyangan Catholic University and SMAK 1 BPK PENABUR Bandung to enhance the TechnoCreator program through community involvement. The program aims to enhance students' understanding of electronics by incorporating advanced technologies like the Internet of Things (IoT) and machine learning. It also introduces the concepts of Industry 4.0 and technopreneurship. The research entailed conducting a series of focused group talks, often known as focus groups, to ascertain the material and learning requirements. Additionally, an extracurricular curriculum for robotics was developed. The outcomes are the creation of novel educational programs, maintenance of guest lectures, strategic planning for the construction of an ESP32-based Internet of Things kit, the design of a prototype industrial automation system, and the implementation of a supplementary robotics program aimed at enhancing students' preparedness for advanced studies in electrical engineering. The activity also seeks to facilitate the transfer of students from secondary education to college. The result implies that this project effectively enhances student learning experiences and can be used as a blueprint for comparable technology education programs in the future.
Perancangan Sistem Kemudi Ackerman untuk Carlike Mobile Robot Roda 4 Sadiyoko, Ali; Pangestu, I. Evannov Armyanto; Naa, Christian Fredy
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

Berkembangnya pendidikan robotika ditandai dengan hadirnya beragam robot edukasi di pasaran. Namun, sebagian besar robot edukasi yang beredar di pasaran memberikan pendidikan pemrograman yang lebih besar dibanding aspek mekanika dan aspek elektronika. Oleh karena itu, pada penelitian ini dirancang sebuah purwarupa robot edukasi dengan aspek mekanika yang lebih besar daripada aspek pemrogramannya. Pada artikel ini akan dipaparkan, proses perancangan robot edukasi dengan sistem kemudi Ackerman dan penggerak roda belakang diferensial. Proses perancangan robot diawali dengan melakukan perhitungan parameter yang dibutuhkan, dilanjutkan proses perancangan menggunakan perangkat lunak Solidwork dan dilanjutkan dengan pembuatan purwarupa fisik robot. Robot edukasi ini terdiri dari empat buah roda, sebuah sistem kemudi Ackerman, sistem penggerak diferensial, kontroler, aktuator motor brushless dan servo, serta beberapa sensor. Robot edukasi yang berhasil dibangun pada perancangan ini memiliki spesifikasi panjang wheelbase 250mm, lebar robot 165mm, radius putar robot sebesar 104,45mm dan rasio gigi gardan robot 1 : 0,375.
Rancang Bangun Alat Pengukuran Kadar Amonia Otomatis untuk Sistem Akuaponik Sadiyoko, Ali; Naa, Christian Fredy; Primadanti, Luciana Regina
Seminar Nasional Teknik Elektro Vol. 4 No. 1 (2025): SNTE III
Publisher : Forum Pendidikan Tinggi Teknik Elektro Indonesia Pusat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46962/snte.25.087

Abstract

Amonia (NH3) menjadi salah satu unsur kimia penting pada budidaya akuaponik, sistem budidaya yang menggabungkan akuakultur(budidaya ikan) dan hidroponik (budidaya tanaman tanpa tanah, menggunakan air) dalam satu kesatuan yang saling menguntungkan. Amonia dalam akuaponik adalah senyawa yang perlu diperhatikan karena bisa berbahaya bagi ikan, namun juga merupakan nutrisi penting bagi tanaman (dalam bentuk amonium, NH4). Oleh karenanya, amonia yang dihasilkan dari kotoran ikan perlu dikelola dengan baik agar tidak mencapai kadar yang membahayakan. Penelitian yang dilakukan ini bertujuan untuk merancang sebuah sistem pengukuran kadar amonia otomatis yang akan diterapkan pada kolam akuaponik di PT. Tanikota Agribudaya Edulestari (Tanikota) Bandung. Sistem dirancang dengan menggunakan mikrokontroler ESP32, pompa submersible, pompa peristaltik, sensor level dan sensor warna TCS-34725. Purwarupa sistem kemudian diuji selama tiga hari, dengan membandingkan hasil antara pengukuran/ pembacaan oleh sistem dengan hasil pengukuran secara manual. Hasil pengujian menghasilkan data kadar amonia kolam berada pada batas wajar/ normal stabil dengan akurasi 100%. Dari data pengujian tersebut dapat disimpulkan bahwa sistem dapat berfungsi secara baik dan efektif dan akurat.