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UNIVERSITAS TELKOM GEDUNG BANGKIT lt. 2 Jl. Telekomunikasi Terusan Buah Batu no 1, Bandung 40257 Indonesia
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JETT (Jurnal Elektro dan Telekomunikasi Terapan)
Published by Universitas Telkom
ISSN : 24071323     EISSN : 24424404     DOI : https://doi.org/10.25124/jett.v8i1
Core Subject : Science, Engineering,
Computer Science & IT Electrical & Electronics Engineering Engineering
JETT is a scientific journal published by Telkom University Bandung, Fully supported by Diploma of Telecommunication Engineering and became the scientific media for researchers and lecturers who will publish the results of their research. The aim of the Journal is to facilitate scientific publication of the results of researches in Indonesia and participate to boost the quality and quantity of research for academics and researchers. JETT published twice a year: July (9 to 10 articles) and December (9 to 10 articles).
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 10 Documents
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Search results for , issue "Vol 8 No 1 (2021): JETT Juli 2021" : 10 Documents clear
IMPLEMENTASI ALGORITMA A-STAR DALAM MENENTUKAN RUTE PENGEJARAN OPTIMAL PADA PERMAINAN MEMBASMI NARKOBA Lukas Tommy; Yohanes Setiawan Japriadi; Syachriza Hilmaida Habibur
Jurnal Elektro dan Telekomunikasi Terapan (e-Journal) Vol 8 No 1 (2021): JETT Juli 2021
Publisher : Direktorat Penelitian dan Pengabdian Masyarakat, Universitas Telkom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jett.v8i1.3830

Abstract

Drugs have several negative effects such as dependence, brain and nerve damage, to death if abused. Socialization about the dangers of drug abuse in society by police is still carried out conventionally so that it is less effective especially during the Covid-19 pandemic like today. In this research, an Android game that can convey material on the dangers of drugs in an interesting, interactive, and effective way will be proposed. In the proposed game, an artificial intelligence will be applied to the enemies in order to pursue player through optimal route. One of the algorithms for determining the closest route from the initial location to the destination is A-Star. A-Star algorithm utilize heuristics in evaluating nodes on a grid-shaped map so that its computation time is shorter than Dijkstra's. Based on the analysis that has been carried out, it is known that the overall performance of A-Star algorithm is good where the seven enemies in game can pursue player in real-time through optimal route. The enemies, however, are unable to cooperate in surround player and tend to gather at one point through the same route so that the effectiveness of the pursuit is not maximized. The proposed game can also convey material about the types of drugs and their negative impacts in an interesting, interactive, and effective manner through with gamepedia menu as well as the enemy characters displayed throughout the game.
PENERAPAN METODE OTSU THRESHOLDING DAN KOEFISIEN KORELASI PADA PENDETEKSIAN JUDUL BUKU TUGAS AKHIR widdha mellyssa; M Misriana; S Suryati; M Milawarni
Jurnal Elektro dan Telekomunikasi Terapan (e-Journal) Vol 8 No 1 (2021): JETT Juli 2021
Publisher : Direktorat Penelitian dan Pengabdian Masyarakat, Universitas Telkom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jett.v8i1.3686

Abstract

Documentation of students' final project (TGA) books is very important for mapping research and minimizing plagiarism. In some cases, many TGA books have not been recorded correctly, so the library administration team at both the institutional and departmental levels must re-register it with a manual system so that this activity can spend not enough time. For this reason, this study aims to build a system that can help the documentation process quickly and easily. The system is a software based on digital image processing. The cover image of the TGA book is taken using a webcam and then processed by preprocessing, binerization, segmentation and character recognition. The result of the research is book title by text format. The methods to be used in this research include the acquisition process using specific box, Otsu Thresholding, segmentation, and pattern recognition using the Correlation Coefficient method. From the results of the research that has been done, it is found that the overall success rate of the system in recognizing the image patterns of letters in student TGA books is 95%.
Peningkatan Kinerja AMG8833 sebagai Thermocam dengan Metode Regresi AdaBoost untuk Pelaksanaan Protokol COVID-19 Aziz Nurul Iman; Aji Gautama Putrada; Sidik Prabowo; Doan Perdana
Jurnal Elektro dan Telekomunikasi Terapan (e-Journal) Vol 8 No 1 (2021): JETT Juli 2021
Publisher : Direktorat Penelitian dan Pengabdian Masyarakat, Universitas Telkom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jett.v8i1.3894

Abstract

Salah satu cara untuk mencegah penyebaran virus COVID-19 adalah dengan melakukan pengecekan suhu tubuh secara rutin. Namun pengecekan suhu tubuh secara manual yaitu dengan mengarahkan thermogun ke wajah seseorang masih sering ditemukan. Penelitian ini mengimplementasikan penggunaan kamera thermal AMG8833 untuk mendeteksi suhu tubuh seseorang tanpa melakukan kontak apapun. AMG8833 adalah kamera pendeteksi suhu tujuan umum sehingga untuk digunakan sebagai pengukur suhu, akurasinya perlu ditingkatkan dengan regresi. Tujuan dari penelitian ini adalah untuk meningkatkan kinerja AMG833 sebagai kamera thermal dengan regresi AdaBoost. AdaBoost adalah jenis pembelajaran ensemble yang menggunakan beberapa model pohon keputusan. Untuk pendeteksian wajah, sistem menggunakan metode Haar Cascade. Hasil pengujian menunjukkan bahwa model pohon keputusan menghasilkan nilai R-Squared sebesar 0,93 dan RMSE sebesar 0,21. Sedangkan AdaBoost berhasil meningkatkan kinerja model regresi dengan nilai R-Squared yang lebih tinggi dan nilai RMSE yang lebih rendah masing-masing dengan nilai 0,95 dan 0,18.
RANCANG BANGUN ANTENA MIKROSTRIP RECTANGULAR DENGAN METODE FRACTAL SIERPINSKI UNTUK TEKNOLOGI LONG TERM EVOLUTION 2300 MHz Eka Setia Nugraha; Ilham Januar Ramdhani; Petrus Kerowe Goran
Jurnal Elektro dan Telekomunikasi Terapan (e-Journal) Vol 8 No 1 (2021): JETT Juli 2021
Publisher : Direktorat Penelitian dan Pengabdian Masyarakat, Universitas Telkom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jett.v8i1.3750

Abstract

The technology currently developing is Long Term Evolution (LTE) which works at the frequencies of 1800 MHz, 2100 MHz, and 2300 MHz. To support LTE technology, an antenna design that conforms to LTE specifications is needed, one of which is a microstrip antenna that supports Multiple Input Multiple Output (MIMO), which in this type allows it to use more than one antenna, both on the transmitter and receiver ( receiver). Because it is possible to use more than one antenna. In this study, using a MIMO microstrip antenna model with the fractal sierpinski method which aims to increase the value of the bandwidth so that it can perform a fast data transmission. In this antenna, the value of the return loss parameter is obtained with a value of -12.05 dB for antenna 1 and -16.75 dB for antenna 2 measurement results, and in the simulation results produce a value of -14.88 dB, for the impedance value the antenna measurement value is obtained. 1, namely 32.33 Ohm and antenna 2 43.4 Ohm, for the simulation it produces a value of 50 Ohm, for the gain during the simulation it produces a value of 5.084 dB and the measurement results in a value of 2.7 dB, for the simulation bandwidth value is 20 MHz, and at When the measurement of antenna 1 yields a value of 18 MHz and antenna 2 is 15 MHz, and the radiation pattern for the simulation and measurement results shows that the radiation pattern is unidirectional.
PENGGUNAAN MATEREIAL DIELEKTRIK BUATAN BERBASIS REKTANGULAR PATCH PADA ANTENA HORN UNTUK RADAR X-BAND Chabesno S Panggabean; M. Reza Hidayat
Jurnal Elektro dan Telekomunikasi Terapan (e-Journal) Vol 8 No 1 (2021): JETT Juli 2021
Publisher : Direktorat Penelitian dan Pengabdian Masyarakat, Universitas Telkom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jett.v8i1.3695

Abstract

Dielectric materials play an important role in antennas in an effort to support data communication. The material used by the dielectric is usually not even one material, however, it is a combination of several dielectric materials. From the final simulation results, the antenna is obtained at a working frequency of 7.822 GHz with a return loss of -20.336 dB, a bandwidth of 830.6 MHz and a VSWR of 1.21. Whereas in the measurement results of the horn antenna using dielectric material that has been realized, it is found that the antenna is able to work at a frequency of 8.41GHz with a return loss of -13.31 dB, a bandwidth of 110 MHz, and a VSWR of 1.61. The difference in parameter results could be due to dimensional differences between the simulated antenna and the antenna that has been realized. The difference in parameter results could be due to dimensional differences between the simulated antenna and the antenna that has been realized. Measurements are not carried out in a closed room or specifically for measuring the antenna, thus allowing interference to the waves from the antenna being measured because the simulation results are made in ideal conditions.
SISTEM TELEMONITORING GANGGUAN PADA JARINGAN LISTRIK SECARA REAL TIME DENGAN MODUL GSM Hidayat Nur Isnianto; Y. Wahyo Setyono; Sri Lestari
Jurnal Elektro dan Telekomunikasi Terapan (e-Journal) Vol 8 No 1 (2021): JETT Juli 2021
Publisher : Direktorat Penelitian dan Pengabdian Masyarakat, Universitas Telkom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jett.v8i1.3757

Abstract

Pemutus beban merupakan pengaman jika arus melebihi kapasitas beban. Kondisi ini teknisi tidak dapat langsung mengetahui lokasinya, hal ini berdampak pada kerugian bagi perusahaan penyedia listrik. Penelitian ini membuat sistem yang dapat memberikan informasi kepada teknisi ketika terjadi gangguan, yaitu gangguan arus dideteksi sensor arus ACS712 30 A, kemudian diproses oleh Arduino untuk mengaktifkan servo untuk membuka pemutus beban, sekaligus memberikan informasi status keadaan pemutus beban ke handphone petugas melalui modul GSM. Hasil pengujian menunjukkan bahwa sistem berfungsi dengan baik, dengan error pada sensor arus ACS712 30A 0,6 % pada pemutus beban 1 dan 2 serta 0,2 % pada pemutus beban 3. Modul GSM dapat mengirim dan menerima perintah sesuai dengan status sistem dari atau ke handphone user di lokasi dengan baik sesuai dengan tampilan LCD sistem yang meliputi informasi waktu dan tanggal.
RANCANG BANGUN ELEKTROMIOGRAFI PERMUKAAN PORTABEL aulia el hakim; Hendrik Kusbandono; Fata Izzan Hafidz Jihaadi; Riska Widiyaningsih Fata
Jurnal Elektro dan Telekomunikasi Terapan (e-Journal) Vol 8 No 1 (2021): JETT Juli 2021
Publisher : Direktorat Penelitian dan Pengabdian Masyarakat, Universitas Telkom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jett.v8i1.3844

Abstract

Kelemahan otot merupakan kondisi ketika salah satu sisi tubuh mengalami kelemahan sehingga bagian tersebut sulit untuk digerakkan. Kelemahan otot umumnya dialami oleh pasien paska stroke atau pasien yang mengalami cidera otot. Akan tetapi penggunaan Electromyography hanya dapat digunakan oleh tenaga medis dan biayanya cukup mahal. Maka dari itu pembuatan surface Electromyography secara portabel ini ditujukan untuk membantu bagi pengguna dalam mengetahui kondisi kekuatan otot. Sinyal otot dapat dibaca dengan adanya elektroda permukaan yang terhubung dengan rangkaian Differential Amplifier, kemudian sinyal diolah dengan rangkaian Fiter: LPF, HPF dan Notch Filter untuk mengurangi noise, dan rangkaian adder untuk menaikkan sinyal agar dapat dibaca adc yang terhubung dengan raspberry pi dan dapat dikoneksikan melalui bluetooth. Pengujian alat keseluruhan Surface Electromyography mampu membaca dan menampilkan sinyal pada raspberry pi dan dapat mengetahui jenis gerakan dengan menggunakan metode FFT dan MPF. Jenis gerakan fleksi mempunyai nilai MPF kurang dari 180Hz dan gerakan ekstensi mempunyai nilai MPF lebih dari 180Hz
PERANCANGAN DAN PEMBUATAN ALAT FOTOTERAPI NB-UVB PORTABEL UNTUK PSORIASIS DAN VITILIGO Mohamad Syafaat; Wulan Fitriani Safari
Jurnal Elektro dan Telekomunikasi Terapan (e-Journal) Vol 8 No 1 (2021): JETT Juli 2021
Publisher : Direktorat Penelitian dan Pengabdian Masyarakat, Universitas Telkom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jett.v8i1.3821

Abstract

Psoriasis dan vitiligo merupakan kelainan pada kulit yang ditandai dengan berkembangnya plak pada kulit untuk psoriasis dan dipigmentasi kulit untuk vitiligo. Fototerapi NB-UVB dianggap sebagai metode pengobatan psoriasis dan vitiligo yang lebih efektif dan lebih aman dibanding metode yang lain. Penggunaan alat fototerapi konvensional yang ada di rumah sakit atau pusat dermatologi memiliki banyak kelemahan di nataranya biaya yang mahal dan tidak efisien. Untuk mengatasi hal tersebut dibutuhkan sebuat alat fototerapi NB-UVB portable sehingga terapi menjadi lebih efisien dan murah. Tujuan dari penelitian ini adalah merancang alat fototerapi NB-UVB 311 nm yang dilengkapi kontrol jarak dan waktu agar terapi menjadi lebih efektif. Penelitian ini dilakukan melalui beberpa tahap yaitu pembuatan blok diagram, perancangan rangkaian perangkat keras (pengaturan waktu, catu daya, driver relay, display), perencanaan program arduino dan pengujian sistem. Alat fototerapi NB-UVB portable untuk penyakit psoriasis dan vitiligo yang sudah dibuat dapat bekerja dengan baik dan sesuai dengan perencanaan.
DATA KOMUNIKASI SECARA REAL TIME MENGGUNAKAN LONG RANGE (LORA) BERBASIS INTERNET OF THINGS UNTUK PEMBUATAN WEATHER STATION Arifah Ramadhani; Zulpikar Alaudin; Farhan Jihad Arridha; Angga Rusdinar; Azzam Zamhuri Fuadi
Jurnal Elektro dan Telekomunikasi Terapan (e-Journal) Vol 8 No 1 (2021): JETT Juli 2021
Publisher : Direktorat Penelitian dan Pengabdian Masyarakat, Universitas Telkom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jett.v8i1.4130

Abstract

Weather station is a system needed to monitor weather conditions in an area. The sensors installed are usually located far from the monitoring center and the recording is done in real time time. For that we need a communication system that functions to send data from the sensor points to the monitor system. Communication built on weather station, uses Lora data communication, and the data sent consists of data from various sensors. The sensors used in the weather station are; temperature, humidity, light intensity, air pressure, rainfall, wind direction, and wind speed. All sensor data will be sent from the node to the gateway to be forwarded to the server Internet of Things. Communication utilizes LoRa which is installed in 2 nodes and 1 gateway in topology star and half-duplex. In this system, distance testing is carried out on LoS and NLoS against RSSI, SNR, delay, throughput, and packets. loss. The data was successfully obtained at LoS as far as 1 km and NLoS 500 m. Data received by the gateway is successfully monitored on Thingspeak in real time.
IMPLEMENTASI INDOOR LOCALIZATION SYSTEMDENGANZONASIBERBASIS VISIBLE LIGHTCOMMUNICATION Muhammad Hilmy Anshoruddin; Willy Anugrah Cahyadi; Angga Rusdinar; Denny Darlis
Jurnal Elektro dan Telekomunikasi Terapan (e-Journal) Vol 8 No 1 (2021): JETT Juli 2021
Publisher : Direktorat Penelitian dan Pengabdian Masyarakat, Universitas Telkom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jett.v8i1.4131

Abstract

Industry uses autonomous mobile robots in assisting human work. However, the robot is not aware of its position within an indoor environment. Localization systems that use GPS are less effective when applied indoor. an alternative is Visible Light Communication (VLC) technology utilizing LED lights in the room. It should be noted that a localization system is quite important for knowing the position and location of the mobile robot while in operating. In this project, a localization system based on VLC zones is designed. The data used is transmitted from the LED lighting lamp to the photodiode as an identity (ID) of the lamp. The photodiode captures the light of the LED lamp containing the ID. The decoded output from the photodiode, as the receiver, is the location information displayed by nine LED indicators. The results of the experiments show that the transmitter can send information signals according to the programmed ID, i.e., zone a, b, c, d, e, f, g, h, and i. The receiver side can obtain the ID of LED with an accuracy of 80% and thus show the localized zone of the receiver. The best distance achieved between the transmitter and receiver in VLC communication is 20 to 100 cm using a 20W LED. The maximum zone range of each lamp is in the area of 32 × 32 cm2 and the receiver can identify the nine zones accordingly based on the signal sent by the transmitter.

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