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INDONESIA
Jurnal Teknologi Terapan
Published by Politeknik Negeri Indramayu
ISSN : 24773506     EISSN : 25491938     DOI : -
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Mechanical Engineering
JTT memuat naskah hasil-hasil penelitian di bidang teknologi terapan.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 292 Documents
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LINE CROSSING DETECTOR SYSTEM PADA REAL-TIME SITUATIONAL AWARENESS DENGAN MENGGUNAKAN SPATIAL SAMPLE DIFFERENCE CONSENSUS Salma Meldiyana; Imaniar Salsabila Fathina; Rifqi Yuner; Setiadi Rachmat; Maisevli Harika
Jurnal Teknologi Terapan Vol 8, No 1 (2022): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jtt.v8i1.359

Abstract

Pengawasan melalui CCTV merupakan salah satu antisipasi ancaman pada VIP dan atau VVIP. Namun pengawasan menggunakan CCTV ini memungkinkan luputnya pengawasan CCTV oleh aparatur. CCTV hanya mampu merekam, namun tidak memiliki kemampuan real-time situational awareness. Line crossing detector merupakan salah satu produk real-time situational awareness yang mampu memantau suatu key area atau area tertentu yang telah ditentukan sebagai area pengawasan (clear area). Sistem line crossing detector ini hanya akan diimplementasikan di dalam ruangan (indoor area). Secara khusus sistem ini dapat bekerja secara optimal pada tempat yang tidak padat aktivitas. Sistem line crossing detector menggunakan Spatial Sample Difference Consensus (SSDC) untuk mendeteksi adanya objek bergerak. Selain itu, Line Crossing Detector memiliki kemampuan untuk melakukan proses object tracking menggunakan centroid tracking dan mengidentifikasi objek yang masuk ke dalam area pengawasan menggunakan model YOLO V3. Melalui metode student t, sistem mampu mendeteksi objek yang melewati garis pengawasan dengan tingkat kepercayaan 90% dengan tingkat signifikansi 10%.  
RANCANG BANGUN MODEL MONITORING DAN PENGENDALIAN AIR DALAM SISTEM SMART BUILDING BERBASIS IoT Yulia Setiani; Fitri Yuni Astuti; Sarono Widodo; Arif Nursyahid
Jurnal Teknologi Terapan Vol 8, No 1 (2022): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jtt.v8i1.338

Abstract

Instalasi air pada gedung-gedung umumya hanya diatur dengan menggunakan kran manual. Sistem instalasi air tidak dilengkapi dengan pemantauan dan pengendalian penggunaan air pada setiap ruang atau gedung. Rancang bangun pada penelitian ini adalah sebuah solusi untuk menjadikan instalasi air pada gedung mudah dipantau dan dikendalikan jika terjadi kebocoran pipa istalasi atau penggunaan air yang tidak wajar. Sistem  pematauan dan pengendalian berbasis IoT sehingga mudah mendapatkan data penggunaan air secara realtime dan dapat dikendaalikan melalui perangkat smartphone atau web. sistem ini menggunakan sensor flowmeter untuk membaca aliran air dan selenoid valve untuk membuka dan menutup aliran air yang mengalir pada pipa air. data sensor yang dibaca dikirim ke mikrokontroler untuk diolah dan selanjutnya dikirimkan ke internet melalui gateway LoRa. Data yang tersimpan pada database dapat diakses sekaligus dimonitor melalui smartphone dan web. sistem ini dilengkapi dengan pesan sebagai notifikasi kebocoran atau pemakaian air tidak wajar yang dikirimkan melalui telegram.                                                                                      Kata kunci :Internet of Things, Pengendali, Pemantau, Instalasi Air  
ANALISA PERPINDAHAN PANAS HEAT EXCHANGER MESIN INDUK (STUDI KASUS: KM. SUMBER MUTIARA) Rizqi Ilmal Yaqin; Miftahul Huda; Mula Tumpu; Yuniar Endri Priharanto; Juniawan Preston Siahaan; Bobby Demeianto; Bambang Hari Priyambodo; Mega Lazuardi Umar
Jurnal Teknologi Terapan Vol 8, No 1 (2022): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jtt.v8i1.355

Abstract

Heat exchanger (HE) is a component of the main engine cooling system that plays a very important role in the process of changing the fluid temperature by exchanging the amount of heat with other fluids. The use of HE in the main engine cooling system should be considered in controlling after operation. HE performance can be analyzed using heat transfer analysis in the form of heat absorbed by HE (Q), LMTD and heat transfer coefficient (U). This study aims to analyze heat transfer in the form of calculations of absorbed heat, LMTD and heat transfer coefficient on the main engine HE KM Sumber Mutiara. This study measures the temperatures of fresh water and sea water entering and leaving the HE. In addition, measurement of water discharge and determination of the dimensions of the HE used for the main engine cooling system of KM Sumber Mutiara. This research shows that the highest heat value absorbed by HE (Q) is at RPM 1200 at 44.85 kJ/s, for the LMTD value at RPM 1000 at 45.69 oC and for the U value at RPM 1100 at 824 W/m2. oC. HE main engine KM Sumber Mutiara has not maximized its performance due to the fouling factor from sea water. The need for preventive maintenance and additional filters on the KM Sumber Mutiara Main Machine Heat Exchanger to increase the effectiveness of the HE.
MODEL SUPPORT VEKTOR MACHINE (SVM) BERDASARKAN PARAMETER WINDOWS UNTUK PREDIKSI KEKUATAN GEMPA BUMI Oman Somantri; Santi Purwaningrum; Riyanto Riyanto
Jurnal Teknologi Terapan Vol 8, No 1 (2022): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jtt.v8i1.352

Abstract

Earthquakes are a type of natural disaster that currently cannot be predicted. Predicting the value of earthquake magnitude for related parties such as government and National Disaster Management Authority is very important. Furthermore, the results of earthquake predictions by several parties are used as indicators in post-earthquake response in minimizing the risks that will occur. Several studies have applied machine learning methods to predict earthquakes such as deep neural networks and parallel Support Vector Regression. In this article, we propose a data mining method using the Support Vector Machine (SVM) algorithm accompanied by the optimization of the windowing parameter value in the model that is applied to predict the value of the earthquake magnitude. Based on its advantages, the SVM model was chosen because it has been applicable in time series data processing. In the experimental stage process, parameter settings are first carried out, namely setting the kernel type, sampling type, and number of windowing to optimize the level of accuracy of the resulting model. The results showed that the best model with the smallest Root Mean Square Error (RMSE) was 0.712.
ANALISIS PRODUKSI BIOGAS SEBAGAI ENERGI ALTERNATIF PADA KOMPOR BIOGAS MENGGUNAKAN CAMPURAN KOTORAN SAPI DAN AMPAS TAHU Paulus Vilino Hasahatan Sinaga; Doddy Suanggana; Hadhimas Dwi Haryono
Jurnal Teknologi Terapan Vol 8, No 1 (2022): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jtt.v8i1.348

Abstract

Biogas decomposes organic waste by bacteria through an anaerobic fermentation process that produces manageable methane gas. The purpose of this study was to determine the temperature, pressure, mass and flame duration of biogas produced from a mixture of cow dung and tofu waste liquid waste using a batch type digester. The digester uses a volume capacity of 30 liters with a volume of stuffing raw material as much as of the volume of the digester. This study uses three variations of the volume ratio of the mixture of cow dung and tofu waste liquid waste, namely S1 (50%: 50%), S2 (70%: 30%), and S3 (90%: 10%) with the addition of 2.5 liters of water for each variation. Data collection was carried out for 30 days at 11.00 WITA and 17.00 WITA. Based on the results of the study, it is known that the mixed variation of 50%: 50% is the best variation compared to the variations of 70%: 30%, and 90%: 10%. The results of the daily average environmental temperature variation of the S1 mixture are 30.19°C, and the average substrate temperature are 27.06°C. The average daily yield of biogas pressure are 0.039 bar with a total mass of biogas are 57.8 grams. Based on the measurement results of biogas flame duration comparasion with LPG on the total mass of biogas with the variation of the S1 mixture, it is obtained that biogas flame duration are 4.38 minutes while the combustion of LPG gas with the same total mass are 49 seconds.
UJI PERFORMANSI EVAPORATIVE COOLING SYSTEM PADA KUMBUNG JAMUR MERANG DENGAN VARIASI TEKANANNYA Ahmad Maulana Kartika; Sunanto Sunanto; Ade Suryatman Margana
Jurnal Teknologi Terapan Vol 8, No 2 (2022): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jtt.v8i2.367

Abstract

The mushroom cultivation process carried out by farmers is usually in a kumbung measuring 7 meters long, 5 meters wide, and about 3 meters high. According to farmers' confessions, during the dry season or when the weather is sunny (daytime conditions) the temperatur inside the kumbung is relatively high and can reach temperatures of up to 40 oC. These conditions are clearly not in accordance with the optimum conditions of mushroom growth, where the optimum temperature of the mushroom growth ranges from 30 oC - 35 oC. For this reason, it is necessary to apply an air conditioning system in the mushroom room so that its growth can be optimally as expected. The method used to cool the mushroom room is to use high-pressure spray cooling, where the cooling method of the spray cooling is to utilize the evaporative cooling principle of pressurized water spray with the help of a compressor. The water spray pressure in this test will be varied at 5 psi, 10 psi, and 15 psi. From the experiments that have been carried out, the results of the test at a pressure of 5 psi have the highest efficiency, which is about 19,2%, while at a pressure of 10 and 15 psi it has an efficiency of about 34,2 % and 38,7%, respectively. The average room temperature for a pressure of 5 psi is about 34.8 oC, while for a pressure of 10 and 15 psi each has an average room temperature of about 33.7 oC and 33,4 oC. Furthermore, the cost operational for the 5 , 10 , and 15 psi tests have values of about Rp 18.860,- Rp 29.741,- and Rp 40.662,- montly.
KARAKTERISTIK PENYEBARAN PANAS MENGGUNAKAN TERMOGRAFI PADA POMPA SENTRIFUGAL BERTINGKAT Ali Mahmudi; Parno Rahardjo
Jurnal Teknologi Terapan Vol 8, No 2 (2022): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jtt.v8i2.379

Abstract

Thermography is a predictive maintenance technique that can be used to identify machine breakdowns. Thermography has been widely applied, especially for monitoring purposes of thermal fluid engines and heat exchangers. This paper discusses the monitoring of heat distribution that occurs in a multistage centrifugal pump system with closed flow circulation. Excessive heat in a centrifugal pump system can be an indicator of damage to the pump system. The test was carried out on a nine-stage centrifugal pump with closed flow circulation, which has a power of 7.5 HP, a head of 170 m, a speed of 1450 rpm and a flow rate of 8 m3/hour. The test was carried out on a fully open discharge pressure valve which was carried out starting from 30 minutes to 120 minutes with a range of 15 minutes. The test results show that the temperature increase that occurs in each component is clear and significant. The highest temperature occurs in the pump bearing non drive end, then followed by the  pump bearing drive end, pump body, coupling, motor bearing drive end, and motor body. The fastest increase occurs in the pump body.
RANCANG BANGUN PENDETEKSI TINGKAT KEHIJAUAN WARNA DAUN PADI MENGGUNAKAN SENSOR WARNA TCS230 Hidayat Hidayat; Yazid Baihaqy
Jurnal Teknologi Terapan Vol 8, No 2 (2022): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jtt.v8i2.435

Abstract

Fertilization of rice plants according to the dose of their needs is one of the important things to produce an optimal rice harvest. Giving less or more fertilizer can cause rice plants not to grow optimally and even cause crop failure. The need for fertilizer doses can be determined by changing the color of the rice leaves using the Leaf Color Chart (LCC). However, obstacles in the field are challenging for novice farmers to predict fertilizer needs just by looking at the color of the leaves with the naked eye. The application of information technology is expected to help farmers, especially novice farmers, in measuring the dose of fertilizer needed for rice plants. The technology that will be applied is an electronic device that can detect the color of rice leaves and provide information for users from the measurement results through an android application on a smartphone device. The electronics modules used are the TCS320 color sensor module which functions to detect the color of objects, the Arduino UNO microcontroller module which contains ATMega128 as a data processor, and the Bluetooth module as a communication liaison between the microcontroller device and the android application on the smartphone. The test results show that the built device can function properly. All tested leaves can be classified according to the greenish level of the leaf color.
IMPLEMENTASI PROGRAMMABLE LOGIC CONTROL (PLC) OMRON CP1E PADA SISTEM KENDALI MOTOR INDUKSI STAR-DELTA UNTUK KEBUTUHAN INDUSTRI Firdaus Yudha Hartawan; Mia Galina
Jurnal Teknologi Terapan Vol 8, No 2 (2022): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jtt.v8i2.409

Abstract

The star delta control circuit is a sistem used to control an induction motor with a minimum power of 7.5 kW. Most industries still use conventional control sistems or without the use of PLC (Programmable Logic Controller). The purpose of this research is to apply PLC (Programmable Logic Controller) OMRON CP1E E-30-DR-A as an automatic control sistem on a star delta induction motor, whose working sistem is designed using a ladder diagram. In this study also added a safety sistem that will provide more protection to the components and the sistem as a whole. The main components of the PLC used have a working voltage range of 100 - 240 VAC. The design of this sistem uses two main sistems, namely a control sistem consisting of an ON/OFF pushbutton with a working voltage of 24 VDC. The power sistem consists of a contactor with a working voltage at terminal A1 of 220 VAC and a manual motor starter as a safety for the induction motor. The results of testing this sistem show that all sistem components can function properly with a supply voltage according to specifications, namely the working voltage at the L1 PLC terminal is 241.1 VAC, the voltage on the ON pushbutton control sistem is 24.53 VDC and the OFF pushbutton is 24,6 VDC. The working voltage on the power sistem at the contactor A1 terminal is 241.1 VAC.
INVESTIGASI EKSPERIMENTAL PERFORMA SISTEM PENDINGIN MULTI-TERMOELEKTRIK DENGAN KONFIGURASI TERMAL SERI DAN PARALEL Bowo Yuli Prasetyo; Apip Badarudin; A.P. Edi Sukamto; Rizki Muliawan
Jurnal Teknologi Terapan Vol 8, No 2 (2022): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jtt.v8i2.427

Abstract

Thermoelectrics can convert electrical energy to thermal energy. The generated thermal energy can be used in various cooling systems (TEC) applications. Improvement of TEC performance influenced by hot-side heat dissipation method, working fluid, and multi-thermoelectric. This study aims to investigate the relation between multi-thermoelectric configuration and the cooling behaviors. The experiment was conducted on the devices equipped with two modules of TEC arranged in series and parallel with variations of input voltage, working fluid mass flow, and temperature. The result reveals variations in cooling behaviors between the two configurations. Parallel configuration TEC gives the highest cooling capacity with a value of 66.62 W, 100% bigger than the series configuration. Meanwhile, the series configuration provides a delta temperature of 11.03 K, 2% higher than the parallel one. The parallel modules cooling performance is the biggest among the two arrangement, with a value of 2.57, which is 147% higher than series one.

Page 22 of 30 | Total Record : 292

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