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Rancang Bangun Sistem Pengendalian Biogas Bertekanan pada Biogas Storage Tank System Hasil Purifikasi dengan Metode Water Scrubber System Abdurrakhman, Arief; Wahyumulyaning Tiyas, Anis
Jurnal Teknologi Terapan Vol 2, No 2 (2016): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jtt.v2i2.13

Biogas is a renewable energy potential to be developed in Indonesia. It is based on the increase in the number of household-scale biogas reactor. But the number of biogas reactors currently installed is still not equipped with biogas purification system integrated with the biogas storage tank system. Storage of purified biogas on the tube is required to extend the range of the use of biogas in some areas that have been using biogas as an alternative energy source. Storage tank systems require control systems in a storage tube that could biogas storage mechanism accordance with the maximum capacity of the tube used. This system uses a sensor components MPX5700AP and Arduino microcontroller, LCD display to display pressure readings, and solenoid valve as an actuator. The working principle of this pressure control system that is used to read the sensor value changes of pressure in the biogas storage tank A and B to be sent to the Arduino and a subsequently processed data accordance specified set point. Charging conducted alternately pressurized biogas through a method ON / OFF Valve Selenoid 1,2,3 and 4 on each biogas storage tanks. At the testing that was done we got the result response of pressure control system against time on pressure sensors P2 and P3 value rise time (tr) = 15 s, settling time (ts) = 12 s, whereas for pressure sensors P3 obtained values rise time ( tr) = 14 s, settling time (ts) = 12 s. The test results are static characteristics sensor hysteresis error of 0.00078% and 0.90%.

Rancang Bangun Sistem Monitoring Cairan Pembersih Pada Robot Permbersih Kaca Berbasis Mikrokontroller Atmega8535 Hadi, Herry Sufyan; Abdurrakhman, Arief; Haqqi Dudayef, Ahmad; Sampurno, Bambang; Rahmadiansah, Andi; Balisranislam, Balisranislam
J-Eltrik Vol 1, No 1 (2019): Jurnal Eltrik, Vol. 1, No. 1
Publisher : Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/je.v1i1.12

Development in surabaya were very fast. There were 105 buildings which in the care of glass used exertion conventional cleaners. ItÂ caused many accidents caused by the height of building. To solve this problem, there was one of solution that can be done for example to replace the conventional energy with cleaner engine, like glass cleaning robot. Glass cleaning robot usually used cleaning fluid with cleaning cloth or cleaner. Consumption of cleaner fluid was noted to get the result of used cleaner fluid. Monitoring would be helpful If process of monitoring is be done automatically. This monitoring system used water level of detection sensors as how high the level of liquids on glass cleaner robot. Monitoring the level of glass cleaner robot is displayed on android. Display used bluetooth HC-05 modul. Testing result was got that Â average amounting were 0.065556 correction, and value of measuring uncertainty were Â±0.120015678 with levels of trust 95 %.Â

Sliding Mode Control System of Single Phase Buck-Boost Inverter with Buffer Inductor Purwadi Agus Darwito; Arief Abdurrakhman; Almas Fachrullah
IPTEK Journal of Proceedings Series No 1 (2015): 1st International Seminar on Science and Technology (ISST) 2015
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2015i1.1107

Inverter is one of the primary components of a distributed electric power plants that serve as modifiers DC voltage into AC. In this research is applied of the Sliding Mode Control on Inverter Buck Boost One phase with Buffer Inductor. In the Open Loop test with the source voltage of 60 Volts, generate graphics output voltage in the form of a sinusoidal wave with maximum amplitude of about 400 volts. In the Closed Loop test, the graph output voltage can be controlled to follow a set point with SMC control method of order 2, and the resulting value Error Steady State smallest at 300 Volt, which amounted to 3.33%. The smallest sensitivity value of 0.29 when the input voltage changes by 32%.

Distance Control System to Increase Precision And Stability of Glass Cleaning Robot Bambang Sampurno; Arief Abdurrakhman; Herry Sufyan Hadi; Heri Joestiono; Amanda Fitri Saudzah
IPTEK Journal of Proceedings Series No 3 (2019): International Conference on Engineering Technology Advance Science and Industrial Appli
Publisher : Institut Teknologi Sepuluh Nopember

Glass is a widely used material today. One of them is as a window of a building. As the material is easily broken, glass is very vulnerable in the cleaning process. This causes the process of cleaning the glass cannot be done carelessly. To overcome these problems, one of them is to replace the work done by humans with machines or robots. The glass cleaning robot was created as a glass cleaner replacing the conventional workforce. One of the most important elements in the operation of glass cleaner robots is the robot glass distance control system against glass edges using proximity sensors. At a distance of 35 cm, the proximity sensor will send a signal back to the microcontroller and forwarded to the input dc motor so that the value changes rpm on the motor with pwm value of 205 each for the left motor and 150 for the right motor for 1 second so that The robot will turn clockwise. From the tested, gotten the response of distance control system based on the PWM value vs time. It shows that the system has a good response to listing programs that have been created. It does not have a research value different from the setting point and fast to achieve stable conditions. In the design of cleaning fluid monitoring system on glass cleaning robot used water level sensor. It used Bluetooth as a wireless system to display height of water in container cleaning fluid.

Rancang Bangun Sistem Pengendalian Biogas Bertekanan pada Biogas Storage Tank System Hasil Purifikasi dengan Metode Water Scrubber System Arief Abdurrakhman; Anis Wahyumulyaning Tiyas
Jurnal Teknologi Terapan Vol 2, No 2 (2016): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Biogas is a renewable energy potential to be developed in Indonesia. It is based on the increase in the number of household-scale biogas reactor. But the number of biogas reactors currently installed is still not equipped with biogas purification system integrated with the biogas storage tank system. Storage of purified biogas on the tube is required to extend the range of the use of biogas in some areas that have been using biogas as an alternative energy source. Storage tank systems require control systems in a storage tube that could biogas storage mechanism accordance with the maximum capacity of the tube used. This system uses a sensor components MPX5700AP and Arduino microcontroller, LCD display to display pressure readings, and solenoid valve as an actuator. The working principle of this pressure control system that is used to read the sensor value changes of pressure in the biogas storage tank A and B to be sent to the Arduino and a subsequently processed data accordance specified set point. Charging conducted alternately pressurized biogas through a method ON / OFF Valve Selenoid 1,2,3 and 4 on each biogas storage tanks. At the testing that was done we got the result response of pressure control system against time on pressure sensors P2 and P3 value rise time (tr) = 15 s, settling time (ts) = 12 s, whereas for pressure sensors P3 obtained values rise time ( tr) = 14 s, settling time (ts) = 12 s. The test results are static characteristics sensor hysteresis error of 0.00078% and 0.90%.

KARAKTERISASI KECEPATAN PUTARAN BERDASARKAN RASIO INPUT BAHAN BAKAR PADA GENERATOR SET DUAL FUEL (GASOLINE – BIOGAS) MENGGUNAKAN JARINGAN SYARAF TIRUAN Arief Abdurrakhman; Dhirga Kurniawan; Mohammad Berel Toriki; Bambang Lelono Widjiantoro
Jurnal Teknologi Terapan Vol 6, No 1 (2020): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Currently, energy consumption in Indonesia has increased so that the utilization of renewable energy is more developed to supply projections for future energy needs. One of the renewable energy sources that is being developed is biogas, especially for household-scale biogas. There are several types of biogas implementation at the household scale, one of which is the use of biogas as generator fuel to produce electricity. Fuel generators can use biogas in full or mix gasoline with biogas fuel. Electric generator sets with dual gasoline-biogas fuel can save the use of gasoline as fuel and can also increase the performance of generators. The gasoline-biogas mixture ratio affects engine performance, one of which is the rotational speed. However, at present the ratio of gasoline to biogas is still manually regulated on household scale biogas usage. Based on these conditions, the artificial neural networks(ANN) method was developed in this study which aims to find the optimal ratio in order to get the generator set rotational speed characterization with the best engine performance value. A total of 300 variations of data were processed using 75% for training with the number of hidden nodes 100 net.trainParam.goal value = 0.0001, net.trainParam.lr = 0.01, and net.trainParam.epochs = 1000, and 25% for the test. This study produced a RMSE training value of 10.4812 at node 55 and a test RMSE value of 5.8301 with a rotational speed of 3445.87, and obtained the best ratio of 0.012 L / min gasoline and 5 L / min biogas.

Rancang Bangun Sistem Monitoring Cairan Pembersih Pada Robot Permbersih Kaca Berbasis Mikrokontroller ATMega 8535 Herry Sufyan Hadi; Arief Abdurrakhman; Bambang Sampurno
J-Eltrik Vol 1 No 1 (2019): July
Publisher : Fakultas Teknik dan Ilmu Kelautan, Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/je.v1i1.12

Pembangunan di Surabaya sangatlah cepat. Terdapat 105 gedung bertingkat yang pada perawatan kacanya menggunakan tenaga pembersih konvensional. Hal ini menyebabkan banyaknya kecelakaan kerja yang diakibatkan oleh ketinggian gedung. Untuk mengatasi masalah ini, salah satu solusi yang bisa dilakukan adalah contohnya mengganti tenaga pembersih konvensional dengan mesin, seperti robot pembersih kaca. Robot pembersih kaca menggunakan cairan dan kain pembersih atau bisa disebut claner. Penggunaan cleaner dicatat untuk mendapatkan data hasil penggunaan cairan pembersih. Proses ini biasa kita sebut monitoring. Proses monitoring akan terbantu jika prosesnya dilakukan secara otomatis. Sistem monitoring ini menggunakan water level sensor sebagai pendeteksi berapa tinggi level cairan permbersih pada robot pembersih kaca. Monitoring level cairan pembersih kaca ditampilkan pada android. Display pada android menggunakan modul Bluetooth HC-05. Pada pengujian sensor didapatkan bahwa rata-rata koreksi sebesar 0.065556, dan nilai ketidakpastian alat ukur ±0.120015678 dengan tingkat kepercayaan 95%.

Implementasi Sistem Pembangkit Listrik dari Limbah Cair Mesin Cuci untuk Mereduksi Pencemaran Lingkungan dan Meningkatkan Efisisensi di Umkm Gd Laundry Keputih Surabaya Purwadi Agus Darwito; Tutug Dhanardono; Heri Joestiono; Roekmono; Totok Soehartanto; Arief Abdurrakhman; Nur Laila Hamidah
Sewagati Vol 1 No 1 (2017)
Publisher : Pusat Publikasi ITS

Banyaknya limbah usaha laundry yang tidak dikelola dengan baik dapat mencenari lingkungan. Salah satu usaha laundry di Surabaya yang juga menjadi mitra dalam Program ini adalah UMKM GC Laundry. UMKM ini berlokasi di Keputih Surabaya. Tiap harinya laundry ini melakukan pencucian pakaian sekitar 25 kg dengan 2 mesin cuci. Berdasarkan observasi, limbah cair yang dikeluarkan sekitar 15 liter/ hari. Hal ini dapat merusak ekosistem di sekitar laundry. Pada sisi yang lain mitra juga masih belum efisien dalam penggunaan listrik yang selama ini dapat menurunkan pendapatan per bulan. Oleh sebab itu dirancang suatu sistem pembangkit listrik dengan prinsip elektrokimia dengan larutan elektrolit dari limbah cair mesin cuci. Proses perancangan dari pembangkit listrik ini sebagian sudah terselesaikan. Proses pemilihan bahan untuk proses elektrokimia adalah menggunakan tembaga dan kawat penghantar untuk menunjukkan besarnya beda potensial. Proses assembly dilakukan pada dua wadah yang berisi dua larutan limbah laundry, setelah itu dilakukan pengukuran dengan menggunakan multimeter dan diperoleh besarnya energy listrik yang dihasilkan sebesar 0,549 V. Nilai ini masih terlalu kecil. Untuk itu perlu dilakukan susunan seri dengan wadah yang lebih banyak lagi untuk menghasilkan energi listrik yang lebih besar. Pada pengujian yang telah dilakukan, dihasilkan nilai secara berurutan adalah nilai tegangan listrik yang merupakan output dari sistem ini adalah 0,3 volt pada volume 200 ml; 0,5 volt pada volume 400 ml; 0,6 volt pada volume 600 ml, dan 0,7 volt pada volume 800 ml. Publikasi dilakukan Seminar Material, Instrumentasi, Pembelajaran, Dan Aplikasinya (Semipa 2016) yang diadakan oleh Fisika FMIPA ITB, dengan judul “Studi Eksperimental Pengaruh Volume Air Limbah Laundry terhadap Sistem Penghasil Tegangan Listrik Menggunakan Metode Elektrokimia”.

Model Pelatihan Kapabilitas Leadership dan Inovasi BUMDESA dan UKM Ninditya Nareswari; Kriyo Sambodho; Arman Hakim Nasution; Arief Abdurrakhman
Khidmatuna : Jurnal Pengabdian Masyarakat Vol. 2 No. 2 (2022): Mei
Publisher : Lembaga Penelitian Penerbitan Dan Pengabdian Masyarakat Institut Agama Islam Syarifuddin Lumajang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54471/khidmatuna.v2i2.1329

BUMDes dan UKM memiliki peran dan karakteristik tersendiri sebagai unit bisnis yang mampu mendukung kemajuan ekonomi desa, namun rendahnya kompetensi para pengelola BUMDes dan UKM masih menjadi kendala bagi operasional BUMDes dan UKM, salah satunya kapabilitas dalam bidang inovasi dan kepemimpinan. Pengabdian masyarakat ini mencoba untuk menjawab permasalahan terkait kapabilitas inovasi dan leadership sehingga dapat mendukung keberadaan BUMDes dan UKM. Selain itu, kegiatan ini bertujuan untuk membekali pengelola BUMDes dan UKM agar mampu merencanakan, mendirikan dan menguatkan organisasi secara sistematis serta terstruktur dan terukur. Pelatihan diselenggarakan secara online dan offline serta didukung oleh Tim STTAL, Desa Kebontunggul- Mojokerto, serta Tim KKN Institut Teknologi Sepuluh Nopember. Materi yang diberikan antara lain: Ekonomi Pertahanan, Kepemimpinan berbasis Pancasila, serta Wawasan Kebangsaan Dengan berakhirnya kegiatan ini, maka diharapkan BUMDesa akan mampu melaksanakan tugas yang diberikan oleh pemerintah terkait tujuan penting pendirian BUMDesa: Meningkatkan Perekonomian Desa, Meningkatkan Pendapatan asli Desa, Meningkatkan Pengelolaan potensi desa sesuai dengan kebutuhan masyarakat, serta Menjadi tulang punggung pertumbuhan dan pemerataan ekonomi desa.

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