Jurnal Fokus Elektroda : Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali)最新文献

{"title":"Analisis dan Perancangan Sistem informasi Payroll Berbasis Desktop pada CV. Up Plus","authors":"Hermina, Arnida, Herlina","doi":"10.33772/jfe.v8i1.65","DOIUrl":"https://doi.org/10.33772/jfe.v8i1.65","url":null,"abstract":"Sistem informasi payroll berbasis desktop pada CV. Up Plus yang mampu memberikan kemudahan pada saat proses pengolahan data payroll sehingga karyawan dapat memperoleh data atau informasi sesuai yang dibutuhkan dengan cepat dan akurat secara efektif dan efsien. Metode penelitian sistem yang digunakan dalam penelitian ini menggunakan metode analisis PIECE dan metode pengembangannya menggunakan model protoytype. Cara pengumpulan data yang digunakan adalah observasi, wawancara serta penelitian kepustakaan. Serta menggunakan metode DFD dalam proses perancangan sistem dan dikhususkan berjalan pada sistem operasi windows dengan berbasis desktop. Hasil dari analisis dan perancangan sistem ini yaitu agar dapat memberikan kemudahan dalam pengolahan data penggajian karyawan antara lain laporan data karyawan, laporan pinjaman karyawan, laporan gaji karyawan dan slip gaji setiap bulannya sehingga karyawan dapat memperoleh data atau informasi sesuai yang dibutuhkan dengan cepat dan akurat secara efektif dan efsien","PeriodicalId":164637,"journal":{"name":"Jurnal Fokus Elektroda : Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130433994","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Pengembangan Sistem Pendukung Keputusan Penelusuran Minat Bakat Siswa SMP Dalam Memilih Jurusan di SMK Berbasis Web","authors":"Abdillah Sas, Andi Muh Akbar Saputra, Muh Fadli Fausi Sahlan","doi":"10.33772/jfe.v7i3.1","DOIUrl":"https://doi.org/10.33772/jfe.v7i3.1","url":null,"abstract":"The study aims at (1) designing the development of SPK (Decision Support System) of studens’ talent interests with web basis, (2) determining studens majors based on talents and interests, (3) designing the easier application, research population was the students of SMP who where about to graduate of students of SMK who were just accepted in the school. The SPK being built can determine the majors, learning styles, and personality of students based on the answers being questioned. Data colleting techniques used in this study were interview, literature review, and questionnaire. Data processing instruments of the study were structural equation modeling, black box testing, alpha, and beta testing. \u0000            The results of the study reveal that the SPK of talents and interests with web basis can be designed and easier for the students in determining the majors at SMK because the SPK made had been tested fuctionality with very feasible category with the ttal percentage of 100%. Based on the usability test, this SPK is categorized as very good with the percentage of 100%. Based on the usability test, this SPK is categorized as very good with the percentage of 89.63%. Based on the result of SEM test by including various factors which were considered as influencing the saticfaction of SPK users, it is concluded that the factors of system quality, information quality, and interation quality influence the satisfaction of SPK users; wheres, the service quality has no influence of satisfaction to SPK users \u0000Keyword — decision support systems, majors in SMK, web applications, structural equation modeling.","PeriodicalId":164637,"journal":{"name":"Jurnal Fokus Elektroda : Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129003102","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Rancang Bangun Sistem Monitoring dan Uji Analisis Performansi Tranformator berbasis Internet of Things (IoT)","authors":"S. Aditya, Samuel Jie, Achmad Nur Aliansyah","doi":"10.33772/jfe.v7i2.25345","DOIUrl":"https://doi.org/10.33772/jfe.v7i2.25345","url":null,"abstract":"Maintenance on transformers is currently carried out on a monthly basis, which activities are carried out manually so that it is difficult to detect transformers experiencing abnormal conditions if there is a disturbance outside the maintenance schedule. Therefore, this research was carried out with the aim of making a prototype of a transformer condition monitoring system and monitoring parameters on the transformer remotely through the Blynk application in real time. In making this tool, the PZEM-004T sensor is used to read electrical parameters, the DS18B20 sensor to read the temperature on the transformer winding and the Arduino MEGA 2560 With WiFi Built-in - ESP8266 to process the data read by the sensor which is then sent to the Blynk application. The results of this study indicate that the average error value for the comparison of current readings is 0.68%, the average error value for the comparison between phase to neutral voltage readings is 0.91%, the average error value for the comparison of voltage readings between phases is 1, 00%, the average error value of the Cosφ reading comparison is 0.02% and the average temperature reading comparison error value is 1.73%.","PeriodicalId":164637,"journal":{"name":"Jurnal Fokus Elektroda : Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127152787","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Perancangan Tempat Sampah Pintar Menggunakan Sensor Ultrasonik Berbasis Mikrokontroler Arduino","authors":"Nanang Endriatno","doi":"10.33772/jfe.v7i2.25233","DOIUrl":"https://doi.org/10.33772/jfe.v7i2.25233","url":null,"abstract":"The application of technology by modifying mechanical devices into automatic tools is one approach to facilitate human work so that it can work effectively and efficiently. The application can be applied to the trash by applying electronic technology that allows the device to open and close automatically. The purpose of this research is to make a smart trash can. The method developed in the trash can is to use a microcontroller, ultrasonic sensor, servo motor, and a drive mechanism to open the garbage cover automatically, making it easier when disposing of garbage. Based on the tests carried out, it can be concluded that the design of the trash can using ultrasonic sensors, servo motors based on the Arduino microcontroller, and the mechanical drive system can produce the required output according to the design. The ultrasonic sensor and its mechanical system can function very well according to the plan. The test method shows that there is no difference between the programmed sensor reading distance and the sensor reading distance, with a minimum and maximum sensor distance of 10-60 cm. The programming and mechanical system for opening the garbage cover can be designed with an opening angle of 5°-65° and an opening speed of 0.28-1.23 s with a variation of the closing holding time of 1-5 s, indicating that the servo motor and its mechanical system can function properly. according to the program created. ","PeriodicalId":164637,"journal":{"name":"Jurnal Fokus Elektroda : Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133844363","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Pengaruh Kuat Arus Listrik Terhadap Kekuatan Bending Akar Las dan Kekerasan Pada Pengelasan SMAW","authors":"Samhuddin Samhuddin, Aminur Aminur, A. Imran, Sartirlan Ali","doi":"10.33772/jfe.v7i2.23323","DOIUrl":"https://doi.org/10.33772/jfe.v7i2.23323","url":null,"abstract":"Struktur sambungan pada konstruksi baja yang rigid tidak terlepas dari pengelasan. Tujuan penelitian ini adalah untuk mengetahui pengaruh kuat arus terhadap kekuatan bending pada akar las dan kekerasan pada daerah logam las, base metal dan Heat Affected Zone. Bahan yang digunakan adalah plat baja karbon rendah tebal 8 mm. Pada kedua bagian sisi ujung yang disambung masing-masing dibuat groove sudut 30 derajat yang membentuk sebuah kampuh V sudut 60 derajat. Pada kampuh V dilas dengan proses SMAW posisi 1G dengan variasi arus pengelasan 70 A, 90 A dan 110 A dengan elektroda berdiamter 2,6 mm. Hasil penelitian didapatkan bahwa kekuatan bending terendah 23,20 kg/mm2 pada arus 70 A dan tertinggi 26,82 kg/mm2. Kekerasan tertinggi 192,40 kg/mm2 pada daerah logam las 110 A.Kata kunci: Baja Karbon rendah, SMAW, kampuh V, kekuatan bending dan kekerasan.","PeriodicalId":164637,"journal":{"name":"Jurnal Fokus Elektroda : Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128060747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Perancangan Sistem Pakar Diagnosa Penyakit Kista Ovarium dengan Metode Fuzzy Mamdani","authors":"S. Piu, S. Salmiati, Gayatri Gadji, Nurul Aini, Hardi Hardi, Erfan Hasmin","doi":"10.33772/jfe.v7i2.25564","DOIUrl":"https://doi.org/10.33772/jfe.v7i2.25564","url":null,"abstract":"Penyakit kista ovarium semakin sering didengar dikalangan wanita dari sekian banyak penyakit yang sering dialami oleh seorang wanita, penyakit ini sangat rumit, halus dan unik, sebab penyakit ini mirip dengan kehamilan dan bisa saja wanita memiliki resiko tinggi akan terkena penyakit ini. Kurangnya pengetahuan akan mendeteksi penyakit kista ini dapat menyebabkan kondisi kista sudah dalam keadaan kronis. Penelitian ini menggunakan penalaran pakar dan dibangun dalam bentuk sebuah aplikasi untuk memudahkan wanita memeriksa kondisi dari beberapa gejala awal yang ditemui. Pada aplikasi ini menggunakan metode fuzzy mamdani yang mana penerapan metode inferensi mamdani pertama kali dilakukan dengan menggunakan teori himpunan fuzzy pada permasalahan sistem kontrol. Terbentuk 2 fungsi keanggotan dalam analisa permasalahan yaitu fungsi variabel gejala dan fungsi varibel diagnosa . Berdasarkan pengujian dengan membandingkan hasil diagnosa awal oleh pakar (dokter spesiali) dengan hasil dari sistem menunjukkan tingkat akurasi sebesar 78%. Kata Kunci — Kista Ovarium, Sistem Pakar, Aplikasi Web, Fuzzy Mamdani.","PeriodicalId":164637,"journal":{"name":"Jurnal Fokus Elektroda : Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116031886","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Pengembangan Prototype Tripod Dengan Kendali Jarak Jauh Berbasis Arduino Dan Android","authors":"Rafika Akhsani, Heri Priya Waspada, Moch. Kholil","doi":"10.33772/jfe.v7i2.23777","DOIUrl":"https://doi.org/10.33772/jfe.v7i2.23777","url":null,"abstract":"Posisi kamera dapat mempengaruhi kualitas video yang didapatkan. Sudut pengambilan video yang bervariasi memerlukan usaha dari videografer untuk terus menerus memindahkan dan mengatur posisi kamera pada tripod dan kamera untuk menjangkau sudut pengambilan yang tepat. Hal ini dapat menyebabkan kinerja videografer menjadi berat karena harus berpindah-pindah secara terus menerus. Oleh karena itu perlu dilakukan pengembangan prototype sebuah perangkat yang dapat menopang sebuah kamera yang dapat dikontrol dari jarak jauh untuk memudahkan kinerja videografer dalam mengambil gambar pada sudut pengambilan gambar yang bervariasi. Prototipe dibangung dengan mengintegrasikan aplikasi di android dengan Arduino. Tahapan pada penelitian ini adalah 1) studi literatur 2) rancang bangun prototipe tripod 3) pemrograman arduino 4) rancang bangun aplikasi android 5) ujicoba dan perbaikan. Waktu pelaksanaan penelitian selama 7 bulan mulai bulan Mei sampai dengan Desember 2021. Berdasarkan hasil pengujian, aplikasi pada smartphone dapat terhubung dan berjalan dengan baik dengan perangkat keras. Rata-rata tingkat akurasi sudut dari motor servo MG996R yang digunakan dalam prototype pada penelitian ini adalah 99.44%.  Posisi kamera dapat mempengaruhi kualitas video yang didapatkan. Sudut pengambilan video yang bervariasi memerlukan usaha dari videografer untuk terus menerus memindahkan dan mengatur posisi kamera pada tripod dan kamera untuk menjangkau sudut pengambilan yang tepat. Hal ini dapat menyebabkan kinerja videografer menjadi berat karena harus berpindah-pindah secara terus menerus. Oleh karena itu perlu dilakukan pengembangan prototype sebuah perangkat yang dapat menopang sebuah kamera yang dapat dikontrol dari jarak jauh untuk memudahkan kinerja videografer dalam mengambil gambar pada sudut pengambilan gambar yang bervariasi. Prototipe dibangung dengan mengintegrasikan aplikasi di android dengan Arduino. Tahapan pada penelitian ini adalah 1) studi literatur 2) rancang bangun prototipe tripod 3) pemrograman arduino 4) rancang bangun aplikasi android 5) ujicoba dan perbaikan. Waktu pelaksanaan penelitian selama 7 bulan mulai bulan Mei sampai dengan Desember 2021. Berdasarkan hasil pengujian, aplikasi pada smartphone dapat terhubung dan berjalan dengan baik dengan perangkat keras. Rata-rata tingkat akurasi sudut dari motor servo MG996R yang digunakan dalam prototype pada penelitian ini adalah 99.44%. Kata kunci— tripod, tripod kendali jarak jauh, Arduino, android, blynk.","PeriodicalId":164637,"journal":{"name":"Jurnal Fokus Elektroda : Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122534949","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analisis Penentuan Lokasi Gangguan Hubung Singkat Pada Saluran Transmisi Di Sulawesi Tenggara","authors":"Pebi Wahyudin, Mustarum Musaruddin, Hasmina Tari Mokui","doi":"10.33772/jfe.v7i2.23386","DOIUrl":"https://doi.org/10.33772/jfe.v7i2.23386","url":null,"abstract":"The electricity system often experiences disturbances, especially short circuit disturbances on transmission lines. This short circuit disturbance is caused by various things such as lightning surges, fallen trees, animals, and other conditions. The interconnected Southeast Sulawesi power system cannot be separated from this short circuit problem. Therefore, determining the location of this short-circuit fault must be done quickly so that the cause of the disturbance can be immediately identified. This study aims to analyze the determination of the location of short circuit faults using the Takagi Method. Simulations were carried out using ETAP 16.0.0 software to see the condition of the Southeast Sulawesi system power flow. This Takagi method analyzes the location of the disturbance using the conditions before and after the disturbance occurs based on the recorded data at the substation. The results of the analysis carried out on the Southeast Sulawesi transmission line show that the percentage of accuracy in determining the location of a single-phase short-circuit fault to ground using the Takagi method is better, with a distance difference of 0.368-0.581 km (1.49%) when compared to the reading results on recordings of 10,173-9,960 km (31.58%) from the fault location occurred after inspection of the Lasusua-Kolaka transmission line. Disturbances on lines 1 and 2 Kolaka-Lasusua produce an error value of 1.533 km (9.24%) and 1.547 km (9.32%) when compared to fault locator readings of 3.212 km (19.36%) and 1.812 km ( 10.92%). Meanwhile, the Unaaha-Kolaka transmission line produces a distance difference of 0.709 km (3.29%) when compared to the fault locator reading of 4.323 km (20.12%). The results of the power flow simulation produce an installed generating capacity of 188 MW, a total active power of 116.780 MW and a reactive power of 29,944 Mvar. Thus, it can be concluded that the Takagi Method has a better accuracy value in reading fault locators.","PeriodicalId":164637,"journal":{"name":"Jurnal Fokus Elektroda : Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125499926","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analisa Daya Keluaran pada Generator 455 kVA untuk Produksi Batubara menggunakan Barge Loading Conveyor Di PT. Duta Tambang Rekayasa","authors":"Bayu Agustira, Rahmat Hidayat, Lela Nurpulaela","doi":"10.33772/jfe.v7i2.24328","DOIUrl":"https://doi.org/10.33772/jfe.v7i2.24328","url":null,"abstract":"Generator adalah suatu alat berupa mesin yang dapat digunakan untuk menghasilkan tenaga listrik dari sumber energi mekanik dengan melalui proses induksi elektromagnetik. Generator ini mendapat energi mekanik dari mesin diesel yang ada didalam generator. Metode yang dilakukan pada penelitian ini menggunakan 2 metode diantaranya metode observasi yaitu adalah metode yang digunakan peneliti dengan melakukan pengamatan secara langsung terhadap objek penelitian di PT. Duta Tambang Rekayasa kemudian mencatat data-data yang didapatkan yang nantinya akan dilakukan analisa. Dapat diketahui nilai rating kinerja genset yaitu sebesar 185,9375 kVA sehingga genset yang digunakan pada PT. Duta Tambang rekayasa yaitu sebesar 455 kVA, 3P, 380 V, 50 Hz dan faktor daya atau cos ∅ 0,8. Prinsip kerja dari genset adalah sebuah mesin diesel yang bergerak dengan menhubah energi bahan bakar fosil menjadi energi mekanik, kemudian energi mekanik tersebut akan diubah oleh generator yang nantinya akan menghasilkan energi listrik.  ","PeriodicalId":164637,"journal":{"name":"Jurnal Fokus Elektroda : Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131424726","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Rancang Bangun Alat Deteksi Masker, Deteksi Suhu Badan dan Sprayer Disinfektan Sebagai Pendisiplin Protokol Kesehatan Di Lingkungan Sekolah","authors":"Anang Habibi, Fadhillah Aris Ramadhan Ginting, Royyan Putra Prasetyo","doi":"10.33772/jfe.v7i2.22936","DOIUrl":"https://doi.org/10.33772/jfe.v7i2.22936","url":null,"abstract":"COVID-19 has swept the world for almost two years. The increase in COVID-19 cases is caused by the lack of public compliance with health protocols. Schools are places where teachers and students gather; some schools in certain zones are permitted by the government to carry out teaching and learning activities face-to-face but still under strict health protocols. Parents are still worried that their children will catch COVID-19 at school because of the school community's neglect of health protocols; robots play an important role in reducing the chain of COVID-19 cases. Through this research, the authors innovate by using cameras to help monitor school residents to comply with health protocols in wearing masks, infrared sensors for hand detection when washing hands and MLX90614 sensors to measure body temperature so that those who do not adhere to the health protocol disciplinary tools are not allowed to enter the school area.","PeriodicalId":164637,"journal":{"name":"Jurnal Fokus Elektroda : Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122686569","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}