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JREC (Journal of Electrical and Electronics)
Published by Universitas Islam 45 Bekasi
ISSN : 23025883     EISSN : 25500899     DOI : -
Core Subject : Engineering,
Electrical & Electronics Engineering
Arjuna Subject : -
Articles 262 Documents
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Evaluasi Penggunaan Website Kampus Menggunakan Metode Usability Testing dan System Usability Scale Inna Ekawati; Malikus Sumadyo; Retno Nugroho Whidhiasih
JREC (Journal of Electrical and Electronics) Vol. 11 No. 2 (2023): JREC (Journal of Electrical and Electronics)
Publisher : Program Studi Teknik Elektro Fakultas Teknik Universitas Islam 45 Bekasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/jrec.v11i2.7957

Abstract

The campus website is the face of an institution that can be accessed online by everyone because the website is a central information service. When individuals such as potential students, the wider public, and those within the institution itself require information about the campus, they will primarily turn to the website as their main source. However, not all campus websites have a perfect role as information and service centers. The quality of a campus website can be seen from the perception and feedback of its users. Therefore, an assessment of online media usage, especially websites, is essential at all times to understand user perceptions of the ongoing website development. This research is intended to evaluate the usability of the website of Islamic University 45 Bekasi to obtain the best recommendations for improvement. In addition to the evaluation, this research also compares two methods of website usability evaluation. The methods to be used are usability testing and the System Usability Scale. Both methods are conducted simultaneously to obtain qualitative and quantitative data. This research yields recommendations for areas that need improvement or enhancement and also provides a comparison of the two methods used as references for usability evaluation. The research results reveal that with the first method, there is a significantly higher number of positive perceptions than negative ones, although there are many suggestions for improvement. On the other hand, when using the second method, the campus website exhibits the second least favorable usability score among a total of eleven levels.
Rancang Bangun Sistem Kendali Berbasis Googlespeech Untuk Aktivasi Peralatan Listrik Rumah Tesar Kurniawan; Nursin Nursin; Muhamad Amin Bakrie; Seta Samsiana
JREC (Journal of Electrical and Electronics) Vol. 5 No. 2 (2017): JREC (Journal of Electrical and Electronics)
Publisher : Program Studi Teknik Elektro Fakultas Teknik Universitas Islam 45 Bekasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/jrec.v5i2.459

Abstract

App inventor adalah media pengembang perangkat lunak untuk sistem android, yang memudahkan para pengembangnya mengembangkan idenya, salah satunya aplikasi yang mampu mengendalikan peralatan listrik rumah menggunakan suara melalui telepon pintar yang dapat mengontrol aktivasi peralatan listrik rumah. Google Speech digunakan untuk pengenalan suara yang kemudian memberikan input ke Arduino untuk mengendalikan aktivasi peralatan listrik rumah, Peralatan listrik rumah seperti lampu, motor pompa akuarium, kipas, door lock dan motor servo yang memanfaatkan relay sebagai driver, kemudian dilakukanlah pengujian dan penelitian pada laporan ini berisi tentang pengujian akurasi pengenalan suara google Speech dan pengujian jarak koneksi Bluetooth. Tingkat keakurasian pada google Speech yang paling baik dari 3 bahasa yaitu Bahasa Indonesia disusulBahasa jawa dan terakhir Bahasa sunda, sedangkan untuk jarak koneksi pada Bluetooth dapat dioperasikan jarak maksimal pada ruang bebas adalah 20 m dan jarak maksimal pada ruang berhalangan adalah 13 m. App inventor is a software developer media for android systems, which makes it easy for developers to develop their ideas, i.e an application that is able to control home electrical appliances using voice over smart phones that can control the activation of home electrical appliances. Google Speech is used for voice recognition which then provides input to Arduino to control the activation of home electrical appliances, such as lamps, aquarium pump motors, fans, door locks. A servo motors is used as drivers, then test and research on this report Contains about Speech google speech recognition accuracy testing and Bluetooth connection distance testing. Level of accuracy on google Speech the best of 3 languages ie Indonesian followed by Java and last language Sundanese, while for the distance on the Bluetooth connection can be operated the maximum distance in free space is 20 m and the maximum distance in the absence room is 13 m.
PERANCANGAN SISTEM PENDETEKSI PRODUK MIXED-UP BERBASIS HI-SPEED CAMERA KEYENCE CV-H035 MDI AREA PRODUKSI PT. NOK INDONESIA Uci Sanusi; Muhammad Ilyas Sikki; Setyo Supratno
JREC (Journal of Electrical and Electronics) Vol. 5 No. 2 (2017): JREC (Journal of Electrical and Electronics)
Publisher : Program Studi Teknik Elektro Fakultas Teknik Universitas Islam 45 Bekasi

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Abstract

PT. NOK Indonesia merupakan perusahaan manufaktur oil seal dan komponen rubber molding untuk industri otomotif dan non otomotif yang terus berkembang. Pada periode Januari-Juni 2015, bagian produksi area NAL, PT.NOK Indonesia menerima 7 kasus Customer Complaint, 4 kasus merupakan complaint produk mixed-up, antara produk BV05044-I0, BV05044-J0 dan AVQ0026-A0, yang masuk pada kategori critical, Perbaikan yang dilakukan untuk mengatasi permasalahan produk mixed-up adalah dengan membuat sistem pendeteksi produk mixed-up. Sistem ini bekerja menggunakan hi-speed Camera sebagai pengambil citra digital. Citra yang diambil merupakan citra bagian inner produk yang dijadikan acuan sistem. Pengolahan citra digital dilakukan oleh kontrol kamera untuk menentukan citra OK dan NG. Penerapan sistem ini dapat menghilangkan komplainpelanggan produk mixed-up, dari sebelumnya sebanyak 4 kasus menjadi 0 kasus, atau turun 100%. Kata Kunci :komplain, mixed-up, hi-speed camera, Pengolahan citra Digital PT. NOK Indonesia is an oil seal manufacturing company and rubber molding components for the automotive and non automotive industries. In January-June 2015, the production division of NAL area of PT.NOK Indonesia received 7 complaint cases, 4 cases were complaint of mixed-up products, between BV05044-I0, BV05044-J0 and AVQ0026-A0 product which classified as critical categories. Improvements made to overcome the problem of mixed-up products is to create a mixed-up product detection system. This system works using hi-speed Camera as a digital image taker. The image taken is the image of the inner product that is used as the system reference. Digital image processing is done by the camera control to determine the OK and NG image. Implementation of this system can solve Customer Complaintof mixed-up products, from 4 cases become 0 cases, or down 100%. Keywords :Complain, mixed-up, hi-speed camera, digital image processing
SISTEM ABSENSI DOSEN MENGGUNAKAN RADIO FREQUENCY IDENTIFICATION (RFID) BERBASIS WEB Niki Kosasih; Muhammad Amin Bakri; Annisa Firasanti
JREC (Journal of Electrical and Electronics) Vol. 5 No. 2 (2017): JREC (Journal of Electrical and Electronics)
Publisher : Program Studi Teknik Elektro Fakultas Teknik Universitas Islam 45 Bekasi

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Abstract

Tujuan dari penelitian ini adalah merancang suatu sistem absensi dosen dengan menggunakan teknologi RFID berbasis web yang handal dan mudah di aplikasikan ke berbagai macam browser. Metode penelitian yang digunakan dalam penelitian ini adalah percobaan pengambilan data jarak pembacaan, jeda waktu dan pengujian halaman web. Hasil penelitian menunjukan bahwa jarak maksimal pembacaan tag ke RFID reader adalah 4 cm, jeda waktu minimal yang diperlukan dalam pembacaan tag adalah 0,5 detik dan sistem dapat berjalan baik pada browser mozila firefox, chrome dan internet explorer. Kata kunci : Absensi, RFID, web The purpose of this study was to design a faculty attendance system using RFID technology reliable web-based and easily applied to a variety of browsers. The method used in this study is the reading distance experiment data retrieval, time lag and testing web pages. The results showed that the maximum distance to the RFID tag reader reading is 4 cm, the required minimum time lag in reading tag is 0.5 seconds and the system can run both in the browser mozilla firefox, chrome and internet explorer. Keywords: Attendance, RFID, web
RANCANG BANGUN PEMANFAATAN THERMOELECTRIC SEBAGAI PENDINGIN PADA KONTROLMESIN INJECTION PLASTIK STORK 450 TON Hengki Sugiyanto; Abdul Hafid Paronda; Seta Samsiana
JREC (Journal of Electrical and Electronics) Vol. 5 No. 2 (2017): JREC (Journal of Electrical and Electronics)
Publisher : Program Studi Teknik Elektro Fakultas Teknik Universitas Islam 45 Bekasi

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Abstract

Dalam penelitian ini penulis menganalisa penggunaan thermoelektrik untuk menurunkan temperatur pada kontrol mesin injeksi plastik pada mesin stork 450 ton. Penelitian di lakukan mengunakan komponen seperti power supply, exhaust fan, thermostat eldon, thermoelektrik, multitester, heat sink, kabel, tang ampere dan thermometerdigital untuk menganalisa mesin. Temperatur pada kontrol mesin sebelum mengunakan termoelektrik temperatur mesin adalah 52,7oC. Kemudian semua komponen di pasang pada kontrol mesin. Setelah itu di berikan tegangan 2123,5Volt dengan daya 3 ampere sebagai hasilnya temperatur akan menurun menjadi 37,2oC dalam waktu 15 menit. Kesimpulannya pengunaan termoelektrik pada mesinberhasil menurunkan suhu panel kendali. Kata kunci : Termoelektrik, power supply, exhaust fan In this research, the usage of thermoelectric in order to decrease the temperature in injection plastic engine control in 450 tons stork machine is analysed. To do so, this research use several components such as power supply, exhaust fan, eldon thermostat, thermoelectric, multitester, heat sink, cables, current pliers and digital thermometer. The temperature in engine control is 52,7oC before the thermoelectric is applied. Next, all the components is installed in engine control and 21-23,5 Volt voltage and 3 ampere current is given. As a result, the temperature is decreasing into 37,2oC in 15 minutes. Hence the usage of thermoelectric in the engine is successfully decrease the control panel temperature. Keywords :Termoelektrik, power supply, exhaust fan
HMI SCADABERBASIS WEB MENGGUNAKAN VIJEO DESIGNER Fahmi Aulia; Setyo Supratno; Fitria Suryatini
JREC (Journal of Electrical and Electronics) Vol. 5 No. 2 (2017): JREC (Journal of Electrical and Electronics)
Publisher : Program Studi Teknik Elektro Fakultas Teknik Universitas Islam 45 Bekasi

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Abstract

ABSTRAK SistemScada merupakan sistem yang sudah banyak digunakan untuk mengontrol dan memonitoring mesin-mesin di dunia industri, tetapi kontrol dan monitoring tersebut umumnya dilakukan disatu tempat saja. Pada perusahaan yang mempunyai plant-plant yang tersebar di lokasi yang berjauhan, banyak mengalami kesulitan dalam mengontrol plant-plant tersebut. Contoh pada mesin boiler, mesin yang memerlukan pengawasan yang lebih ketat karena mesin ini dapat menimbulkan ledakan jika terjadi kesalahan pada sistem. Perencanaan dan pembuatan penelitian ini membuat simulasi HMI scada untuk mengontrol dan memonitoring pada mesin boiler berbasis web gate yang terhubung melalui komunikasi sistem wireless LAN dan untuk softwere HMI menggunakan Vijeo designer. Dengan menggunakan sistem ini, bahkan sebuah PC yang hanya memiliki IE (Internet Explorer) dapat mengontrol dan memonitoring dimana saja selama masih memiliki jaringan web server. Untuk metode yang diterapkan penulis menggunakan metode eksperimen dengan melakukan pengujian sistem HMI scada berbasis web gate serta menganalisa jarak jangkauan jaringan komunikasi. Dari hasil pengujian dan analisa didapatkan bahwa sistem sesuai dengan perencanaan serta jarak jangkauan jaringan komunikasi maksimal 20 meter. Kata kunci:HMI, Scada, Web gate, Vijeo designer, PC Scada system is a system that has been widely used to control and monitor machines in industry, yet typically they both done concentrated in one place only. When a company has plants that scattered in some distant locations, it will be rather difficult to control the plants. For examples in boiler engines, machines that require more strict supervision because these machines can cause an explosion in case of system errors. This research make HMI scada simulation to control and monitor a web-gate-based boiler machine which is connected via wireless LAN system communication and for HMI softwere using Vijeo designer. Using this system, even a PC which only have IE (Internet Explorer) can do control and monitor anywhere as long as it still has a network web server. The method applied by the author is an experimental method by testing the HMI scada system based on web gate as well as analyzing the distance of network communication range. The results shows that the system is well-performed and the maximum distance network communication coverage is 20 meters. Keywords: HMI, Scada, Web gate, vijeo designer, PC
ANALISIS POWER LOSSES PADA DISTRIBUSI LISTRIK DI GEDUNG UNIVERSITAS ISLAM “45” BEKASI DENGAN MENGGUNAKAN SOFTWARE ETAP 7.5.0 Supriyadi Supriyadi; Abdul Hafid Paronda; Andi Hasad
JREC (Journal of Electrical and Electronics) Vol. 5 No. 2 (2017): JREC (Journal of Electrical and Electronics)
Publisher : Program Studi Teknik Elektro Fakultas Teknik Universitas Islam 45 Bekasi

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Abstract

Analisis power losses dimaksudkan untuk memperoleh informasi mengenai kerugian daya pada jaringan listrik di Universitas Islam “45” Bekasi. Manfaat dari analisis power losses adalah untuk mengetahui kondisi suatu jaringan listrik dan untuk mengetahui besar power losses akibat kabel penghantar serta upaya pengurangan power losses. Perhitungan power losses saat ini banyak menggunakan aplikasi komputer, tujuannya untuk mempermudah dan mendapatkan hasil yang lebih akurat, sehingga dalam penelitian ini digunakan Software ETAPS 7.50. Kesimpulan yang diambil dari penelitian ini adalah tentang kondisi jaringan listrik di Universitas Islam “45” Bekasi yang menunjukkan bahwa power losses yang diakibatkan kabel penghantar secara keseluruhan adalah sebesar 110 watt. Kemudian salah satu cara mengurangi power losses yaitu dengan mengganti jenis kabel dari bahan aluminium menjadi tembaga dan dari hasil simulasi ETAPS 7.50 menunjukan penurunan power losses. Kata Kunci :Power losses, ETAPS 7.50., Distribusi Listrik Power Losses analysis is conducted to obtain information about power losses in power grid at Islamic University "45" Bekasi. The benefit is to gain information of one electricity network and the amount of power losses occurs from carrier cables in order to reduce the power losses. Nowadays, it usually performed by computer software, to simplify the process and to gain more accurate results. In this research, the application used is ETAPS 7.50. The conclusion drawn from this research is about the condition of the power grid in Islamic University "45" Bekasi which shows the power of loss caused by the conductor cable is 110 watts. Thus one way to reduce power losses is to replace the cable from aluminum to copper and from the simulation result in ETAPS 7.50 indicates a decrease in power losses. Keywords: Power losses, ETAPS 7.50, electrical distribution
ANALISA DAN PERANCANGAN ANTENA MIKROSTRIP MULTIWIDEBAND DENGAN PATCH SLOT DOUBLE LAYER UNTUK JARINGAN 5G Sri Marini; Setyo Supratno
JREC (Journal of Electrical and Electronics) Vol. 5 No. 2 (2017): JREC (Journal of Electrical and Electronics)
Publisher : Program Studi Teknik Elektro Fakultas Teknik Universitas Islam 45 Bekasi

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Abstract

Rancang bangun antenna mikrostrip untuk aplikasi 5G dikembangkan untuk mendukung komunikasi data pada perangkat komunikasi wireless. Antena dirancang agar mampu beroperasi pada range frekuensi3 – 10 GHz. Pada penelitian ini penulis merancang suatu antenna mikrostrip patch slot. Konfigurasi dari sebuah rancangan antenna pada penelitian ini dengan cara teknik coupling proximity menggunakan dua lapisan substrat dari FR4 dengan ketebalan 0.16 cm dan konstanta dielektrik 2.2. Dimana lapisan substrat bagian atas untuk patch slot dan substrat bawah untuk catu saluran transmisi. Menggunakan teknik pencatuan yang mampu membuat matching impedance yang optimal.Untuk perancangan antenna mikrostrip dilakukan dengan menggunakan dua metode yaitu simulasi dan pengukuran. Metode simulasi merupakan aplikasi dari perancangan dan metode dengan aplikasi perangkat lunak HFSS versi 13.Dari hasil simulasi diperoleh parameter antenna seperti bandwidthdari return loss dibawah -10 dB diperoleh single band return loss, dan untuk VSWR 1 sampai 2 diperoleh hasil simulasi terendah adalah 1.1 dicapai pada frekuensi 9,8 GHz. Polaradiasi yang dihasilkan yaitu lobe. Dari hasil pengukuran diperoleh nilai –nilai pada grafik return loss dengan bandwidth operasi (return loss < -10 dB) yaitu band dengan karakteristik millimeter wave (> 1 GHz) pada band operasi 3,5 – 9.6 GHz (6.1 GHz). Kata kunci :Antena mikrostrip, coupling proximity, Patch Dual U– Slot, multiwide-band 5G The design of microstrip antennas for 5G applications was developed to support data communications on wireless communication devices. The antenna is designed to operate at a frequency range of 3 - 10 GHz. In this study the authors designed a microstrip patch slot antenna. Configuration of an antenna design in this study by means of coupling proximity technique using two substrate layer of FR4 with thickness 0.16 cm and dielectric constant 2.2. Where is the upper substrate layer to patch the slot and substrate down to the transmission linefeed. Using the technique of unification that can make optimal matching impedance. For design of microstripantenna is done by using two method that is simulation and measurement. The simulation method is an application of design and method with HFSS software version 13 application. From the simulation result obtained antenna parameters such as bandwidth of return loss below -10 dB obtained single band return loss, and for VSWR 1 to 2 obtained the lowest simulation result is 1.1 achieved at a frequency of 9.8 GHz. The resulting polarization is lobe. From the measurement results obtained values on the return loss graph with operating bandwidth (return loss <-10 dB) is a band with the characteristics of millimeters wave (> 1 GHz) on the band operating from 3.5 to 9.6 GHz (6.1 GHz). Keywords :Microstrip Antenna, coupling proximity, Patch Dual U– Slot, multiwide-band 5G
PERANCANGAN DETEKTOR LABELLING UNTUK KEMASAN BOTOL Fitrah Ramdani; Seta Samsiana; Setyo Supratno
JREC (Journal of Electrical and Electronics) Vol. 5 No. 1 (2017): JREC (Journal of Electrical and Electronics)
Publisher : Program Studi Teknik Elektro Fakultas Teknik Universitas Islam 45 Bekasi

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Abstract

Sistem yang dikembangkan pada penelitian ini menggunakan rangkaian digital dengan mikrokontroller ATMega8535 sebagai komponen utama. Sebagai pendukungnya digunakan sensor infra merah untuk mendeteksi kondisi label baik atau ”good” (G), tidak baik atau ”not good” (NG), jumlah total botol masuk, jumlah botol ”good” dan jumlah botol ”not good” yang akan ditampilkan pada tampilan LCD. Sementara ”actuator” berupa motor servo akan menolak botol ”not good”. Sensor infra merah berfungsi sebagai sensor yang mendeteksi label pada botol, jika label tidak baik (NG) sensor S1 dan S2 kondisi High atau ”1” karena terhalang label. Sementara keadaan sebaliknya untuk label kondisi baik (G). Informasi ini akan disampaikan ke mikrokontroller bersamaan dengan kalkulasi pulsa encoder pada konveyor, dengan demikian botol yang dinyatakan NG tepat akan dirijek oleh motor servo. Konveyor digerakan oleh motor penggerak untuk membawa tiap botol melalui sensor-sensor dan motor servo. Sementara tampilan data dapat dilihat pada tempilan LCD 2x16 karakter. Kata kunci : mikrokontroller ATMega8535, motor servo, pulsa encoder This final project developed a digital circuit system with ATMega8535 microcontroller as the main component. As a supporting component, an infrared sensor is used to detect “good” (G) or “not good” (NG) label conditions. The total number of incoming bottles, number of G and NG bottles will be displayed on LCD. Meanwhile, an actuator in the form of servo motor will reject NG bottles. The infrared sensor acts as a sensor that detects labels on the bottle, if labels are NG then the S1 and S2 sensors will be in High or "1" conditions due to the blocking, and vice versa. This information will be delivered to the microcontroller simultaneously with the calculation of the encoder pulse on the conveyor, thus the bottle declared as NG will self-injected by the servo motor. The conveyor is driven by a propulsion motor to carry each bottle through sensors and servo motors. The view of data can be seen on the 2x16 character LCD template. Keywords : ATMega8535 microcontroller, servo motor, pulse encoder
ANALISIS KINERJA ACCESS POINT DENGAN PENGATURAN KANAL PADA JARINGAN SSID UNISMA Devi Maulana Amri; Muhammad Amin Bakri
JREC (Journal of Electrical and Electronics) Vol. 5 No. 1 (2017): JREC (Journal of Electrical and Electronics)
Publisher : Program Studi Teknik Elektro Fakultas Teknik Universitas Islam 45 Bekasi

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Jaringan area lokal tanpa kabel dengan banyak SSID terpasang di area kampus Universitas Islam “45” Bekasi. Berdasarkan hasil observasi awal di Fakultas Ekonomi, SSID ini berdampingan dengan SSID lainnya, faktor ini mempengaruhi kemungkinan terjadinya overlap dan interferensi sehingga terjadi error pada bit dan delay saat penggunaan data. Penelitian ini dilakukan untuk menganalisa pengaruh pengaturan kanal pada jaringan area lokal tanpa kabel dengan SSID UNISMA. Tujuan penelitian ini adalah menganalisa aliran data video pada jaringan dengan kanal terpisah. Metode penelitian yang digunakan yaitu metode evaluasi terhadap kinerja jaringan wifi SSID UNISMA di Fakultas Ekonomi. Pengujian dilakukan dua tahap yaitu sebelum dan sesudah pengaturan channel wifi. Hasil penelitian menyimpulkan bahwa kinerja access point SSID UNISMA di Fakultas Ekonomi dapat dipengaruhi oleh pembagian kanal. Hasil persentasi perubahan kecepatan aliran data pada access point di LABKOM menunjukan persentase kenaikan pada kondisi pagi 109%, pada kondisi siang 327%, dan pada kondisi malam 118%. Sedangkan pada access point di Perpustakaan menunjukan persentase kenaikan pada kondisi pagi 114%, pada kondisi siang 248%, dan pada kondisi malam 152%. Pengujian SNR yang telah dilakukan membuktikan bahwa pemisahan kanal dan pemilihan channel yang non overlap dapat mengatasi interferensi pada penggunaan kanal yang sama dan berdekatan, sesuai pada pengujian channel beda yaitu channel 1, 6, dan 11 dengan SSID berbeda yaitu di LABKOM FE dan Perpustakaan FE serta FE 01. Pengukuran dilakukan di LABKOM FE menunjukan nilai SNR yang lebih tinggi yaitu 23,0 dB dengan hasil bandwidth 4305,218755 Hz. Kata Kunci: Access point, Kanal, SSID, Aliran Data Wireless local area network with many SSIDs installed in "45" Islamic University (UNISMA) in Bekasi. Based on the preliminary observations of SSID at the Faculty of Economics, it adjacent with other SSID, making the possibility of overlap and interference occurs, resulting in error on bits and delays in data usage. This study was conducted to analyze the effect of channel settings on wireless local area network with UNISMA SSID. The purpose of this study is to analyze video data flow on the network with a separate channel. The research method used is the evaluation method on the SSID UNISMA wifi network performance in Faculty of Economics. Experiment done in two stages that is before and after setting wifi channel. The results shows that channel division does affect the performance of SSID UNISMA access point in Faculty of Economics. The data flow rate in LABKOM access point shows a significant change, in the morning it increase 109%, at daytime 327%, and at night condition 118% compare to before the channel division was done. While the access point in the Library increase 114% in the morning condition, 248% at daytime and 152% in night conditions. SNR testing performed has prove that channel separation and non-overlap channel selection can overcome interference on the same and adjacent channel usage, according to different channel test ie channel 1, 6 and 11 with different SSID; the one in LABKOM FE, FE Library and FE 01. The measurements performed at LABKOM FE showed a higher SNR value of 23.0 dB with the result of bandwidth 4305,218755 Hz. Keywords: Acces Point, Channel, SSID, Data flow

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