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All Journal Jurnal Serambi Engineering JT-IBSI (Jurnal Teknik Ibnu Sina) Serambi Engineering
Bengawan Alfaresi
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Energy Engineering Environmental Science Industrial & Manufacturing Engineering

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Perancangan dan Implementasi Tracking Solar Cell System dengan Menggunakan Overload Protection Agung Wijaya; Bengawan Alfaresi; Feby Ardianto
Jurnal Serambi Engineering Vol 6, No 4 (2021): Oktober 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i4.3522

Abstract

Solar cell tracking system is a system that uses the latest technology with combining solar tracking, the intensity of sunlight absorbed by solar cells can be optimized automatically. The purpose of this study is to make the Arduino-based solar monitoring system and load protection tool. The device is also equipped with an LDR sensor that detects the presence of sunlight, sends data from the LDR to Arduino and delivers signals to linear actuators. When the charge supplied by the battery exceeds the capacity of the battery, the INA219 sensor detects overload and a signal sent to Arduino asking for a relay to release the load. The results showed that tracking solar cell systems were successful in improving the efficiency of solar cells with an average power yield of 0.87 ampere of 12.62 watts from before without tracking the average obtained 0.62 ampere 8.83 atts. The performance of the protection system indicates that the load is cut off when the charging current exceeds the specified limit of 2.6 ampere.
Perencanaan Jaringan Heterogen 4G LTE Berdasarkan Coverage Area pada Frekuensi Inter-Band di Kota Palembang Bengawan Alfaresi; Ardianto, Feby; Kurniawan, M Arif
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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

Abstract

The city of Palembang has a territorial character consisting of urban, suburban and rural areas. The population in Palembang City continues to grow and spread to all corners of Palembang City. Therefore, the planning of a 4G LTE network requires a complex plan based on the area characteristics and also paying attention to frequency efficiency. This research aims to design a heterogeneous 4G LTE network in the city of Palembang, focusing on the use of inter-band frequency spectrum to increase the network coverage area. The research methodology includes area mapping and analysis of eNodeB requirements in each sub-district. The propagation model used in 4G LTE network planning is the Cost-Hatta model. In this research, we implemented the use of a frequency of 900 MHz for the macro site, a frequency of 1800 MHz for the micro site, a frequency of 2100 MHz for the nano site and a frequency of 2300 MHz for the pico site. The research results show that at the lowest frequency, i.e. using a frequency of 900 MHz, the number of eNodeBs required is 18 eNodeBs on the uplink side and 60 eNodeBs on the downlink side. At the highest frequency of 2300 MHz, the number of eNodeBs required on the uplink side is 24 eNodeBs and on the downlink side is 329 eNodeBs.
Optimasi Tata Letak Produksi Konveksi ABC dengan FTC, ARC, dan Blocplan Tuwandi Juniarto; Bengawan Alfaresi; Nadia Eka Damayanti; Ilham Setiawan
Jurnal Teknik Ibnu Sina (JT-IBSI) Vol. 10 No. 1 (2025): JT-IBSI (Jurnal Teknik Ibnu Sina)
Publisher : Fakultas Teknik Universitas Ibnu Sina

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36352/jt-ibsi.v10i1.1160

Abstract

Penelitian ini bertujuan mengoptimalkan tata letak fasilitas produksi di Konveksi ABC untuk meningkatkan efisiensi aliran material dan mengurangi biaya material handling. Masalah utama terletak pada penempatan departemen yang tidak efisien, sehingga material berpindah bolak-balik dan menempuh jarak yang tidak perlu. Metode yang digunakan meliputi From-To Chart (FTC) untuk menganalisis frekuensi dan jarak perpindahan material, Activity Relationship Chart (ARC) untuk menilai kedekatan antar departemen, serta simulasi Blocplan untuk menghasilkan alternatif tata letak optimal. Hasil simulasi menunjukkan tata letak baru mampu menurunkan total moment perpindahan material secara signifikan, dengan R-score tertinggi sebesar 0,89. Tata letak hasil optimasi memperpendek jarak antar departemen yang berkaitan erat dan meningkatkan efisiensi ruang kerja. Dengan demikian, kombinasi FTC, ARC, dan Blocplan efektif dalam memberikan solusi tata letak yang lebih efisien bagi proses produksi konveksi.
Co-Authors Agung Wijaya Ardianto, Feby Feby Ardianto Ilham Setiawan Kurniawan, M Arif Nadia Eka Damayanti Tuwandi Juniarto