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All Journal TEKNIK Elektrika
Riza Alfita
Jurusan Teknik Elektro, Fakultas Teknik, Universitas Trunojoyo Madura
Electrical & Electronics Engineering Engineering

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Rancang Bangun Sistem Monitoring Daya Baterai Pembangkit Listrik Tenaga Surya (PLTS) dan Kontrol Beban Berbasis Internet of Things Riza Alfita; Koko Joni; Fajar Dwika Darmawan
TEKNIK Vol 42, No 1 (2021)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v42i1.29687

Abstract

Teknologi Internet Of  Things dalam penelitian ini dimanfaatkan pada Pembangkit Listrik Tenaga Surya (PLTS) (Studi Kasus : Prodi Teknik Elektro Universitas Trunojoyo Madura) sebagai sistem monitoring daya baterai dan kontrol beban. Semua sistem tersebut dibangun dengan tujuan mempermudah pengguna dalam mengelola konsumsi daya yang digunakan sekaligus mencegah kerusakan baterai sehingga masa pakai baterai dapat bertahan lebih lama dan penggunaan PLTS menjadi lebih optimal. Semua sistem tersebut dirancang menggunakan beberapa komponen yang saling terintegrasi dengan fungsi masing-masing seperti Raspberry sebagai pengolah data, smartphone sebagai interface, dan sensor aktuator sebagai input output. Dari hasil pengujian akurasi monitoring didapatkan nilai error rata-rata sebesar 1,56 %. Setelah memastikan sistem memiliki tingkat akurasi yang tinggi, dilakukan pengujian charge-discharge secara real time selama 7 hari yang menunjukan bahwa sistem bekerja sesuai tujuan penelitian yang dibuktikan dengan tidak adanya penggunaan daya melebihi batas standar SOC baterai yang digunakan sebesar 30%. Sedangkan untuk pengujian sistem kontrol didapatkan bahwa koneksi wifi memiliki rata-rata delay paling cepat selama 10,30 s, provider A 11,17 s, dan provider B 12,60 s.
Rancang Bangun Gelang Locator Pasien Terkonfirmasi Covid-19 dengan Metode Haversine sebagai Pengidentifikasian Pelanggaran Zona Aman Isolasi Mandiri Menggunakan Komunikasi Lora (Long Range) Ahmad Afan Maulana; Riza Alfita; Achmad Fiqhi Ibadillah
Elektrika Vol. 13 No. 2 (2021): Oktober 2021
Publisher : Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/elektrika.v13i2.3669

Abstract

Positive cases of COVID-19 continue to grow rapidly. This prompted the government to make new rules in the form of various types of health protocols. One of them is the implementation of the self-isolation protocol for confirmed COVID-19 patients. Self-isolation is a rule that requires confirmed patients to stay at home until the specified time limit to break the chain of COVID-19 development. However, it is suggested and as a rule that there are still many ODP and PDP who still violate the rules of self-isolation from the government. The ODP and PDP still roam freely without thinking about the impacts and risks to their surroundings. With the departure of confirmed patients, the risk of developing COVID-19 becomes greater. In this study, a confirmed patient locator bracelet was made that can map the position of the patient based on latitude and longitude. The latitude and longitude data from the bracelet is sent to the gateway by LoRa communication. LoRa communication is also used to minimize the dimensions of the bracelet. In addition to mapping the location of the patients, by applying the Heversine method this system is able to identify when a safe zone violation occurs in the form of a change in the color of the marker. In the future, it is hoped that this system will be able to handle the problem of developing COVID-19 caused by confirmed patients who still violate the self-isolation protocol.
Co-Authors Achmad Fiqhi Ibadillah Ahmad Afan Maulana Fajar Dwika Darmawan Koko Joni