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Jurnal Ilmiah Setrum
ISSN : 23014652     EISSN : 2503068X     DOI : -
Core Subject : Education,
SETRUM : Sistem Kendali Tenaga Elektronika Telekomunikasi Komputer merupakan jurnal yang diterbitkan oleh Jurusan Teknik Elektro, Fakultas Teknik, Universitas Sultan Ageng Tirtayasa (UNTIRTA) sejak 2012 menggunakan sistem Open Journal System (OJS).
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Articles 13 Documents
Search results for , issue "Vol 6, No 2 (2017): Edisi Desember 2017" : 13 Documents clear
Implementasi Fuzzy Logic Controller untuk Pengendali Kecepatan Roda pada Mobile Robot dengan Variasi Nilai Set Point Ratna Aisuwarya; Raihan Annafi
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 6, No 2 (2017): Edisi Desember 2017
Publisher : Fakultas Teknik Elektro - Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (803.843 KB) | DOI: 10.36055/setrum.v6i2.2406

Abstract

Mobile robots are usually simulated in various path track, such as climbing, descending, or bumpy trajectories. Motor speed control is required to adjust the robot to follow the track. The aim of this research is to discuss how to control the speed of the motor in order to adjust the speed of the robot wheel in passing through different track hurdles. This research is done by designing fuzzy logic controller in mobile robot in order to control the speed of the robot wheel with some variation of set point value. Testing is performed on a flat and oblique path with a slope of incline and a derivative with a slope angle of -2 º to 2 º for flat category, slope of derivative with angle> 2 and slope of incline with angle <-2 º. The robot velocity control works by using MPU6050 which reads the value of the angle of conversion of accelerometer value with gyroscope on the x axis to the angle and IR sensor to read wheel speed (RPM), then controlled motor speed with fuzzy method whose output is PWM value based on condition slope. There are 3 conditions that are "horizontal", "climbing", and "downhill". The horizontal condition is at the angle> = -2 and <= 2, the descending condition is at an angle <-2 and the climbing conditions are at an angle of> 2. The result of the research test shows that the slope limit capable of executing the robot in order to reach the set point value at climbing condition is 15 ° and -15 ° in decreasing condition with the declared PWM range. The test results are also influenced by track conditions. The error value obtained is greater if the path track is not flat. 
Segmentasi Citra USG (Ultrasonography) Kanker Payudara Menggunakan Fuzzy C-Means Clustering Ri Munarto; Romi Wiryadinata; Didin Yogiyansyah
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 6, No 2 (2017): Edisi Desember 2017
Publisher : Fakultas Teknik Elektro - Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (818.928 KB) | DOI: 10.36055/setrum.v6i2.2770

Abstract

Health is a valuable treasure in survival and can be used as a parameter of quality assurance of human life. Some people even tend to ignore of health, so don’t care about the disease that will them attack and finally to death. Noted the main disease that causes death in the world is cancer. Cancer has many types, but the greatest death in each year is caused by breast cancer. Indonesia found more than 80% of cases in advanced stage, it is estimated that the incidence get 12 people from 10000 women. These numbers will to grow when there is no such treatment as prevention or early diagnosis. Growing of breast cancer patients inversely proportional to the percentage of complaints patients to doctors diagnosis in USG (Ultrasonography) breast cancer 20%. The problem is ultrasound imaging which is distorted by speckle noise. The solution is to help easier for doctors to diagnose the presence and form of breast cancer using USG. Speckle noise on USG is able to good reduce using SRAD (Speckle Reducing Anisotropic Diffusion). The filtering results are then well segmented using Fuzzy C-Means Clustering with an accuracy 91.43% of 35 samples USG image breast cancer.
Pengendalian Dosis Inframerah pada Alat Terapi Menggunakan Pulse Width Modulation(PWM) Dedi Nurcipto; Gutama Indra Gandha
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 6, No 2 (2017): Edisi Desember 2017
Publisher : Fakultas Teknik Elektro - Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (623.864 KB) | DOI: 10.36055/setrum.v6i2.2512

Abstract

Rutinitas dapat mempengarui kestabilan tubuh seseorang yang bisa menimbulkan penyakit sehingga dapat mempengaruhi aktifitas seseorang. Sakit pada umumnya ditandai dengan rasa nyeri yang akan membawakan penderita pergi ke dokter untuk mendapatkan informasi diagnosa dan penyembuhannya. Terapi inframerah merupakan salah satu alternatif dalam mengurangi rasa nyeri dan terapi ini dapat dilakukan sendiri setelah mendapatkan keterangan dari dokter. Biasanya dalam menentukan dosis perlu diperhatikan jarak objek dan lama penyinaran inframerah pada objek. Penelitian ini bertujuan untuk mengetahui efek panas yang dihasilkan inframerah dengan pengaturan intensitas inframerah dengan mengunakan PWM (Pulse width modulation) sebagai pengendali dosis. Selain jarak dan waktu, intensitas inframerah juga akan mempengruhi suhu yang dihasilkan. Semakin besar level intensitas penyinaran maka panas yang dihasilkan semakin cepat dan sebaliknya semakin kecil intensitas maka panas yang dihasilkan akan semakin lama. Peningkatan panas rata-rata yang dihasilkan tiap menit dengan jarak adalah 10 cm adalah 3,36 oC pada suhu awal sebelum penyinaran sebesar ±26,27 oC. Dan pada jarak 15 cm peningkatan suhu rata-rata sebesar 3,28 oC dengan suhu awal sebelum penyinaran sebesar ± 26.27 oC. Sehingga dapat disimpulkan selain jarak dan waktu, ducty cycle PWM akan mempengaruhi termperatur yang dihasilkan. Kata kunci: Inframerah; Terapi; Remot Kontrol; PWM
Purwarupa Sistem Kontrol Elevator Berbasis Programable Logic Control Fathahillah Fathahillah; Hardianto Hardianto
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 6, No 2 (2017): Edisi Desember 2017
Publisher : Fakultas Teknik Elektro - Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (421.474 KB) | DOI: 10.36055/setrum.v6i2.2570

Abstract

Various methods / types of controls developed in accordance with industry needs one of them in the field of building automation system. One of the controls in the field of building automation system is the elevator control system (elevator). Early elevator control systems that transport humans or goods as vertical transportation vehicles are still conventional using human power, then evolved using steam engines, until now the elevators use AC motors equipped with control systems. The purpose of this research is to design the prototype of elevator control system using programmable logic control (PLC). The type of PLC controller used in the study using Omron PLC. The results show the design of prototype of elevator control system using PLC successfully and can control eleveator in accordance with its function, besides its programming form can be more simple.
Rancang Bangun Bandpass Filter untuk aplikasi Long Term Evolution (LTE) Frekuensi 1,8 GHz Teguh Firmansyah; Herudin Herudin; Damar Wardhana
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 6, No 2 (2017): Edisi Desember 2017
Publisher : Fakultas Teknik Elektro - Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (696.446 KB) | DOI: 10.36055/setrum.v6i2.2772

Abstract

Filter is a device to pass a particular frequency by passing wanted frequency and reduce unwanted frequencies. The frequency that used is depend on the applications used. Based on the frequency regions that are passed, the filter is divideed into several type: Lowpass Filter (LPF), Bandpass Filter (BPF), Highpass Filter (HPF), and Bandstop Filter (BSF). This script was aimed to realized Bandpass Filter (BPF) at frequency 1,8 GHz for long term evolution (LTE). The filter is a hairpin filter, which is one method of designing a distributed element filter with λg/2 length of resonators that is parallel coupled and have resonators topology as ‘U’ shape. Realization of this filters was using microstrip with FR4-Epoxy material as a transmission channel. The information filter performance was measured by using network analyzer. In this BPF designing and realizing, some of the parameters measured are frequency respone, bandwidth, insertion loss, return loss, Voltage Standing Wave Ratio (VSWR). The result of BPF characteristics measurements are: center frequency at 1,8 GHz with 360 MHz bandwidth, insertion loss 8,4 dB, return loss 11,42 dB, VSWR 1,14.
Otomasi pada Simulator Green House dengan SCADA Berbasis Web Erwani Merry Sartika; T. Rudi Sarjono; Nicolaus Cornellius
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 6, No 2 (2017): Edisi Desember 2017
Publisher : Fakultas Teknik Elektro - Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (582.824 KB) | DOI: 10.36055/setrum.v6i2.2578

Abstract

Green house merupakan bangunan yang dapat memodifikasi iklim sesuai dengan yang dibutuhkan oleh tanaman. Sistem green house dapat bekerja dengan baik jika dilengkapi dengan sistem otomasi yang beroperasi tanpa memerlukan bantuan manusia. Sistem ini terdiri dari sensor cahaya, sensor kelembaban tanah, sensor kelembaban udara, dan sensor temperatur. Sensor kelembaban tanah, sensor kelembaban udara, dan sensor temperatur memiliki nilai batas minimum dan nilai batas maksimum. Pada penelitian ini, dirancang aplikasi SCADA berbasis web pada simulator greenhouse. PLC digunakan untuk memonitoring setiap kondisi sensor dan mengendalikan plant simulator green house agar tetap dalam kondisi yang diinginkan. PLC dihubungkan ke SCADA untuk memonitoring proses pengontrolannya dan dapat diakses melalui web browser dengan menggunakan smartphone. Dari hasil pengamatan data, hasil keluaran dan masukan di SCADA terjadi waktu delay kira – kira selama  3.195 detik  karena terjadi proses update time dari SCADA ke PLC. Selain itu juga,pada saat pertama kali  mengakses SCADA melalui web browser akan membutuhkan waktu selama 47.86 – 52.7 detik karena ada proses upload gambar SCADA ke cache folder untuk ditampilkan di web browser.   
Rancang Bangun Modul Pengendali Berbasis Direct Mode XBee pada Wireless Sensor Network Wagyana, Agus
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 6, No 2 (2017): Edisi Desember 2017
Publisher : Fakultas Teknik Elektro - Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (21.57 KB) | DOI: 10.36055/setrum.v6i2.2310

Abstract

Penelitian ini bertujuan mengembangkan suatu modul pengendali nirkabel untuk mempelajari implementasi board XBee pada aplikasi Wireless Sensor Network (WSN). Modul terdiri atas dua unit node sensor (sebagai Router) untuk mengumpulkan data sensor analog dan digital dari dua lokasi berbeda, dan satu unit base station WSN sebagai pusat pengendalinya (Coordinator). Semua node berbasis chip XBee dengan mode direct yaitu tidak menggunakan mikrokontroler untuk mengontrol pengambilan data sensor analog dan digital. Proses polling data sensor dilakukan sendiri oleh chip XBee dan langsung dikirimkan secara nirkabel ke base station. Sensor analog di setiap node diwakili oleh potensiometer sedangkan sensor digital diwakili oleh push button switch. Base station terdiri atas chip XBee, board mikrokontroler Arduino Uno, dan sejumlah komponen indikator LED. Selain memantau data sensor setiap node, base station juga bertugas untuk mengendalikan atau mengaktuasi komponen output di node jika data sensor analog melebihi suatu batas nilai. Secara umum, hasil penelitian menunjukkan bahwa modul sudah berhasil melakukan pemantauan dan pengendalian otomatis jarak jauh secara nirkabel seperti yang diharapkan. Dua paket atau frame XBee yang paling penting untuk digunakan di sini adalah frame Remote AT Command Request (0x17) dan frame ZigBee IO Data Sample Rx Indicator (0x92). Kelebihan utama penggunaan mode Direct Xbee pada modul ini adalah efisiensi penggunaan hardware di sisi node (tanpa mikrokontroler) yang berimplikasi pada penghematan konsumsi daya baterai dan umur pakai sistem.
Rancang Bangun Antena Helix 8 Lilitan untuk Sistem Autotracking sebagai Penjejak Unmanned Aerial Vehicle (UAV) Yenniwarti Rafsyam; Jonifan Jonifan; Panji Ibrahim N Ibrahim N
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 6, No 2 (2017): Edisi Desember 2017
Publisher : Fakultas Teknik Elektro - Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (660.207 KB) | DOI: 10.36055/setrum.v6i2.2771

Abstract

Technological developments have already penetrated low current at the time of flight of unmanned or commonly called the Unmanned Aerial Vehicle (UAV), which humans no longer need to make direct contact with the spacecraft flight to fly missions such as air monitoring in the form of realtime video. In doing missions flown required good communication and stable in order to avoid loss of signal during the communication process takes place. So we need a reliable telecommunications equipment to meet these needs, one of which is the antenna. In this final project designed three pieces of helix antenna coil 8 which works at a frequency of 5.8 GHz for applications based Autotracking antenna signal level. Systematics design includes mechanisms of designing antenna design simulation results using CST Microwave Studio Software, fabrication, measurement parameters such as return loss, VSWR, gain, Bandwitdh and Radiation Pattern, peformansi Testing and application of antenna. 1 helix antenna measurement results obtained value -17.84 dB Return Loss, VSWR 1.294, 14.53 dB Gain, Bandwitdh 300 MHz. 2 helix antenna obtained value -17.31 dB Return Loss, VSWR 1.315, 15.49 dB Gain, Bandwitdh 300 MHz, Helix Antenna 3 obtained value -18.88 dB return loss, VSWR 1.256, 15.97 dB Gain, Bandwitdh 240 MHz and shaped radiation pattern unidirectional. The test results Autotracking Antenna system based signal levels have a pretty good angle accuracy with a percentage error of the corner angle toward the target of 0.83%.
Perancangan Antena Mikrostrip Patch Circular (2,45 GHz) Array dengan Teknik Pencatu Proximity Sebagai Penguat Sinyal Wi-Fi Arfan Akbar; Syah Alam; Indra Surjati
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 6, No 2 (2017): Edisi Desember 2017
Publisher : Fakultas Teknik Elektro - Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (671.26 KB) | DOI: 10.36055/setrum.v6i2.2599

Abstract

Pada penelitian ini dilakukan perancangan antena mikrostrip dengan bentuk patch circular menggunakan substrat jenis FR-4 Epoxy dengan nilai ɛr=4,3 h=1,6mm dan loss tangen = 0,0265. Untuk meningkatkan nilai gain, maka dilakukan optimasi dengan menggunakan metode array 2x1. Selanjutnya, untuk memperlebar Bandwidth, digunakan pencatu dengan teknik proximity. Tujuan dari penggunaan metode array dan proximity ini untuk meningkatkan nilai Gain dan Bandwidth. Dari hasil simulasi diperoleh nilai Return Loss -19,85 dB, VSWR 1,227 dan Gain 7,091 dB pada frekuensi 2450 MHz. Dengan data tersebut, maka metode array dapat meningkatkan Gain sebesar 38% dan dengan penggunaan metode Proximity dapat meningkatkan Bandwidth sebesar 162%.
Perancangan Antena Mikrostrip Multiband Bentuk Segi Empat 2 Patch Menggunakan Gabungan Metode Array Dan Slot Junas Haidi; Alex Surapati; Tri Riski Pahlovi
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 6, No 2 (2017): Edisi Desember 2017
Publisher : Fakultas Teknik Elektro - Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (735.463 KB) | DOI: 10.36055/setrum.v6i2.2590

Abstract

Antenna is the most important thing in wireless technology. The technology of communication in this era does not only work on only one frequency, but it has many work frequency. In this research, the method that is used to create the antenna works in Multiband by using an array and slot method. Based on the result of this research, quadrilateral microstrip antenna by using 2 patches has a resonant frequency of 1,3 GHz, 1,8 GHz, 2,4 GHz, and 2,8 GHz. From the measurement results that is done, all antennas that resonate at that frequency has met the antenna standard which is the value of return loss less than -10 dB and VSWR less than 2, so that the antenna that has been made can work well in accordance with the function of the antenna. The slot method used in the design of microstrip antenna operates to add up the resonant frequency of the antenna and improve the value of return loss. Meanwhile, the array method that is used can add up the resonant frequency in microstrip antenna. By combining both methods in the design of quadrilateral microstrip antenna, it will generate a multiband antenna resonance frequency.

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