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JEEMECS (Journal of Electrical Engineering, Mechatronic and Computer Science)
Published by Universitas Merdeka Malang
ISSN : 26144859     EISSN : 26144867     DOI : -
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering
JEEMECS is an Open-Access journal who managed by Electrical Engineering Department, Faculty of Engineering, Universitas Merdeka Malang, Indonesia. The technologies are rapidly changing and updating. Thus rapid distribution and publication to researchers, engineers, and educators are very important. Our aim after receiving the manuscript and editing process required is to quickly publish the received letters. Publishing periodically 2 (two) times a year. More several other changes in JEEMECS are informed in the journal history.
Arjuna Subject : -
Articles 7 Documents
 1 
Search results for , issue "Vol 6, No 2 (2023): August 2023" : 7 Documents clear
Discrete Wavelet Transform Applied to 3-Phase Induction Motor for Air Gap Eccentricity Fault Diagnosis Reza Sarwo Widagdo; Ratna Hartayu; Balok Hariadi
JEEMECS (Journal of Electrical Engineering, Mechatronic and Computer Science) Vol 6, No 2 (2023): August 2023
Publisher : Merdeka Malang University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jeemecs.v6i2.10707

Abstract

Induction motors consume about 60% of the energy in industry, indicating that they are an important part of the industry. Despite their sturdy construction, these induction motors are often susceptible to damage from prolonged use without maintenance. Bearing failure accounts for up to 40% of all failures and can result in serious engine damage if not treated promptly. For effective operation, this failure must be continuously monitored, otherwise it may cause serious damage to the induction motor. Normal vibration monitoring is difficult as it requires the use of expensive sensors. To detect and localize these faults, a new method of performing leakage flux analysis is widely used. In this paper, failure due to gap eccentricity is predicted by decomposing the waveform of the leakage flux spectrum using a discrete wavelet transform. The proposed method was evaluated based on the leakage flux obtained from a 1.5 kW induction motor. Experimental results have confirmed the effectiveness of the method used to detect eccentricity failures.
System Telemetry for Mobile Devices Using the GPS Neo-6M and DHT11 Modules A Case Study by IMEI Team Cholilurrohmana Cholilurrohmana; Indah Sulistiyowati; Arief Wicaksana
JEEMECS (Journal of Electrical Engineering, Mechatronic and Computer Science) Vol 6, No 2 (2023): August 2023
Publisher : Merdeka Malang University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jeemecs.v6i2.9945

Abstract

Telemetry systems are used during Formula One (F1) and Shell Eco Marathon (SEM) races to monitor car conditions and performance during the race. This telemetry system is designed to monitor the performance of the car in real time by obtaining data about speed, steering room temperature, and other parameters. The purpose of making this tool is to be able to strategize during a good and efficient race. In this research on telemetry system development, several sensors and electronic devices are used to monitor car performance. This telemetry system consists of several sensors installed on the car, such as the U-blox Neo 6m GPS sensor and the DHT 11 sensor. These sensors collect data and transmit it to the control unit, which then sends the data to the server. The method used in this research includes several stages, namely telemetry system development, trials and testing, and data analysis. The main result of this research is the development of a telemetry system that can monitor the performance of electric cars in real-time. This telemetry system can provide useful information for the driver on the track and the team at the track. In addition, the results of this research also show that the telemetry system developed can produce accurate and reliable data. An electric car telemetry system can be a very useful tool for electric car users and manufacturers in improving the efficiency and performance of electric cars. In this study, the development of the telemetry system has successfully produced a tool that can monitor the performance of electric cars in real time and provide useful information for users and electric car manufacturers. It is hoped that the results of this research can help in developing more efficient and environmentally friendly electric car technology in the future
An Analysis The Distinction of Generator and Efficiency Gear Ratio PLTMH Vortex Turbine in Reservoir at Bujel Village Qidam Agwalul Santoso; Karimatun Nisa; Zainal Abidin; Ulul Ilmi
JEEMECS (Journal of Electrical Engineering, Mechatronic and Computer Science) Vol 6, No 2 (2023): August 2023
Publisher : Merdeka Malang University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jeemecs.v6i2.8269

Abstract

Energy requirements are needed by modern society in this digital era. Today the most widely used energy is fossil energy. It makes fossil energy can run out at any time. Therefore, alternative energy is needed, especially energy from nature. Indonesia has a lot of potential for the development of hydroelectric power plants. It happens because Indonesia has a tropical climate with very high rainfall and many of rivers with a fairly swift flow. The study done at Bujel village in Ngimbang Sub-District, Lamongan. DC generator is superior because the DC generator used is a low rpm generator, so by low rpm can have a higher voltage level of 25V, while AC generator has a maximum voltage of 11V. Based on the standard level of water turbine efficiency of 70%-90%, it means that the second generator can be said to be efficient because the load used is only a 50 Ω. The selection of gear ratios also affects the efficiency value of a water turbine because therefore in this study will examine the difference in gear ratios, namely 46:16, 46:18, 46:20. Considering the test results of the three gears, the gear with a ratio of 46:16 has a high rpm level of 468 rpm.
E-Transaction Point of Sales (POS) with Fuzzy Tsukamoto Algorithm at PT. Samihasa Kita Irvan Ardiansyah; Dewi Handayani
JEEMECS (Journal of Electrical Engineering, Mechatronic and Computer Science) Vol 6, No 2 (2023): August 2023
Publisher : Merdeka Malang University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jeemecs.v6i2.7407

Abstract

PT. Samihasa Kita is a glass product distributor company that was founded in 1989, which is located in the city of Semarang, Central Java, with sales area coverage in Central Java, D.I Yogyakarta, Jakarta, and Kalimantan. So far, PT Samihasa Kita has an erratic amount of demand for goods, as a result, sometimes the number of goods produced for sale with the goods purchased by consumers is not balanced. This resulted in PT Samihasa Kita not getting the maximum profit. Based on this problem, Fuzzy Tsukamoto logic was chosen to determine the optimal daily production amount. By using fuzzy logic can be determined the relative size of the production of goods. The Fuzzy Tsukamoto method can also be used to forecast sales in the coming month based on the amount of inventory. Thus the amount of production and demand for goods PT. Samihasa Kita is predictable and balances transactions. E-transaction Point Of Sales (POS) with the Fuzzy Tsukamoto algorithm at PT. Samihasa aims to be able to predict demand and procurement of goods that will have an impact on optimizing revenue.
Comparison of Insulated Switch Gear with Desiccant Addition to SF6 Gas Quality System at Waru Substation Anggara Trisna Nugraha; Moch Fadhil Ramadhan; Muhammad Jafar Shiddiq; Muhammad Fikri Fathurrohman
JEEMECS (Journal of Electrical Engineering, Mechatronic and Computer Science) Vol 6, No 2 (2023): August 2023
Publisher : Merdeka Malang University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jeemecs.v6i2.6044

Abstract

In electrical instrumentality with SF6 gas insulation, the quality of SF6 gas in line with the standard is prime to wise insulation power, if there' a decrease in gas quality, there'll even be a decrease among the number of voltage insulation on electrical equipment. throughout this case, it had been found that the quality of SF6 gas was deteriorating within the Ganz whole GIS Compartment at the Waru Substation Substaction, specifically the position level of the SF6 isolation gas that exceeded the required standard limit. Besides, this GIS isn't equipped with silica gel/desiccant as a condition gripping material and gas sorbent material from amendment PMT (IEEE Std 11251993) that ends throughout a decrease among the standard of SF6 gas. The addition of drier among the GIS is needed to keep up the quality of SF6 gas. These materials are analyzed for quantity and performance once applied within the compartment therefore as that deterioration of the quality of SF6 gas and thus the prevalence of insulation failure is avoided as early as possible, and SF6 remains in its characteristics with a BDV of 78.6 kV/cm (according to SF6 crucial Breakdown Volatge). And it hoped that SF6 gas will add line with it operate as a decent insulating medium. As degree application, a drier experiment has been administered among the GIS compartment at the Waru Substation station
Bottle Refill Water Payment Using E-Card Fajar Rafli; Jamaaluddin Jamaaluddin; Ahmad Ahfas
JEEMECS (Journal of Electrical Engineering, Mechatronic and Computer Science) Vol 6, No 2 (2023): August 2023
Publisher : Merdeka Malang University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jeemecs.v6i2.10126

Abstract

The high demand for drinking water makes drinking water sold in many stores, it makes buyers have to enter the store first and queue to pay for it. Even though there are people who cannot wait too long. This makes people want fast and easy payment for drinking water. So a fast and easy payment tool is needed. This paper describes the payment of refillable water bottles using ESP32-based E-Card. Testing is done in three stages: (1) E-Card reading distance testing, (2) payment testing in successful conditions, and (3) payment testing in failed conditions. The first test found that the E-Card reading distance is 3.5 cm but when given an aluminum plate barrier, the E-Card cannot work. From the results of the second test the payment was as expected. And the third test states that the tool works well even in conditions of inappropriate payment. The weakness of this tool is that it cannot pay with coins.
Application of TOPSIS as a DSS in the Selection of Home Improvement Grant Recipients Aryo Bagus Kusumadewa Tutuko; Maulana Syarief Hidayatullah; Ulla Delfana Rosiani
JEEMECS (Journal of Electrical Engineering, Mechatronic and Computer Science) Vol 6, No 2 (2023): August 2023
Publisher : Merdeka Malang University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jeemecs.v6i2.10442

Abstract

This study aims to compare the TOPSIS method with the SAW and ELECTRE methods which have been presented in previous research in making decisions on home improvement grant recipients. This research utilizes data and findings from prior studies concerning the selection process for recipients of home renovation assistance, employing the SAW and ELECTRE methodologies. Using the TOPSIS method obtained results that have significant differences. The TOPSIS method provides positive and negative ideal solutions, this is more detailed in supporting the decision-making process. By displaying the web-based TOPSIS method, it is hoped that users with an interest in decision-making can access it more easily. The results indicate that the positive ideal solution may symbolize an ideal housing state, such as a well-maintained house, while the negative ideal solution may represent a subpar housing condition.

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