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Jurnal E-Komtek
Published by Politeknik Piksi Ganesha Indonesia
ISSN : 25803719     EISSN : 26223066     DOI : https://doi.org/10.37339/e-komtek.v4i2.269
Core Subject : Science, Engineering,
Computer Science & IT Electrical & Electronics Engineering
Jurnal E-Komtek (Elektro-Komputer-Teknik) is a Journal that contains scientific articles in the form of research results, analytical studies, application of theory, and discussion of various problems relating to Electrical, Computer, and Automotive Mechanical Engineering.
Arjuna Subject : Ilmu Komputer (semua kategori) - Visi Komputer dan Pengenalan Pola
Articles 15 Documents
 1   2 
Search results for , issue "Vol 6 No 1 (2022)" : 15 Documents clear
Designing a Fallen Tree Disaster Reporting Application Based on Mobile Android Case Study: Regional Disaster Management Agency (BPBD) Banyumas Regency Fera Agurini; Aulia Desy Nur Utomo; Fahrudin Mukti Wibowo
Jurnal E-Komtek Vol 6 No 1 (2022)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v6i1.913

Abstract

Banyumas Regency is prone to falling trees in the rainy season, but the report on fallen tree disasters is still not focused. The large number of social media used and the regent's complaint booth confuses the reporting process because it is not centralized in one system, making data recording difficult. The authorities in handling the fallen tree disaster are the Regional Disaster Management Agency (BPBD) of Banyumas district. With these problems, an android application was designed that functions to facilitate the process of reporting disasters from the community, as well as the process of recording fallen tree disaster data. The design stage uses the Waterfall method, and the testing uses UAT and black box testing. The testing was carried out by three users, namely the Community, Admin, and Officers. The respondents from the community as many as 120 people, as many as 20 officers, and admin as many as 3 people. The results of the UAT application test are that the application is very helpful for the disaster reporting process; the menu display is attractive; the application can be understood; the type, font size, and color is easy to read; and the users do not find it difficult to make an account, and the application menu meets the users’ needs. In the black box testing, it was found that the designed application was very helpful with an average validation percentage of 98% for each menu.
Data Mining of The Grouping And Mapping of The Health Centers in Sleman Regency With K-Means Clustering Algorithm Widy Prasetiyo
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 6 No 1 (2022)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v6i1.921

Abstract

This research which is a grouping and mapping system of Puskesmas (public health center) is one solution to obtain information related to areas that have adequate Puskesmas services. With the help of a geographic information system, it is able to describe the state of the Sleman district based on the availability of health centers per sub-district. In a geographic information system, the information produced is in the form of visual images that make it easier for the public to read the information provided. This study uses data from health workers who work in health centers and were grouped first using the k-means method. The reason for grouping them first was to make it easier to map the existing health centers, while the K-means method was chosen because it has a high accuracy to the size of the object, so this algorithm is relatively more scalable and efficient for processing large numbers of objects. In addition, the K-Means algorithm is not affected by the order of objects.
Temperature and Mask Detector using Thermal Camera and Open CV based on Color Features Hendi Purnata; Zaeurrahman; Hera Susanti; Asni Tafrikhatin
Jurnal E-Komtek Vol 6 No 1 (2022)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v6i1.922

Abstract

The current situation demands the prevention of the spread of the virus, one of which is by wearing a mask and checking the body temperature. This paper serves as a means of detecting the body temperature by using a thermal camera and the mask with a web camera. The camera is the sensor, and a buzzer is an actuator that go off automatically. A mask detection device is a tool that detects visitors who wear masks. It works by detecting the visitor's face using a camera and Open CV or digital image processing. Then, the data will be processed and compared to the one that has been input into the program. This program is able to detect masks and provide warnings if the visitors do not wear masks in a public space. When the body temperature detector detects a visitor of the normal category, which is 36˚C - 37.5˚C, the buzzer does not go off; when the body temperature is higher than 37.5˚C, the buzzer goes off automatically. An error occurred due to the dark conditions, and from the five trials with 100 cm distance, 60% of the trials were successful. Therefore, it was concluded that the testing of the mask detector succeeded with more than 60% success when the lighting was sufficient; and the distance ranged from 100 cm. This system experiment with five experiments on each sample obtained pretty good results. To get good results, the light determination is very influential.
The Development of Electricity Board Learning Media with Running Light System Starter for Learning in Vocational High School Aris Sulistiyanto; I Nyoman Sudana Degeng; Nurmida Catherine Sitompul
Jurnal E-Komtek Vol 6 No 1 (2022)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v6i1.927

Abstract

The students of grade XI of the Motorcycle Business Engineering of Vocational High School, who have learned productive subject matter in Motorcycle Engineering and Business, often experience difficulties when directly confronted with motorcycle practice media because the components are closed and hidden by the motorcycle's body cover. Therefore, a learning media which is easy to be learned by the students is essential. It means that all components can be observed clearly, and the material can be understood easily, both in theory and electrical practicum of the motorcycle starter system; the students will better understand the theory and assemble the motorcycle starter system circuit. The learning media for the motorcycle starter system is an electrical board with LEDs that can light up continuously or alternately, so it simulate the workings of the motorcycle starter system. In addition, the running LED simulation makes it easier for students to assemble a starter system. It also makes it easy and fast for students to identify, understand how it works, assemble a motorcycle starter system, and later, when facing practical materials in the form of motorbikes, students will be quicker to apply the material that they acquired from the learning media, so that, in practicum, students will work faster and minimize damage to motorcycles.
Partial Discharge Analysis of UBJOM Rembang PLTU Using Roger's Ratio Method Trisna Wati; Dany Arianto; Santi Triwijaya
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 6 No 1 (2022)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v6i1.928

Abstract

The disturbance of transformers often occurs at the field is named partial discharge. It refers to the spark release in the isolation of internal cavity or surface caused by the potential difference in the transformer isolation. As a result, the quality degradation of isolation material happens. To test it, the researcher employed Dissolved Gas Analysis by Roger's Ratio and Duval Triangle methods. The results demonstrated that transformer GT 10 reached the highest temperature of 417,229⁰C and produced overheating as indicated by paper carbonation and carbon particle formation in the oil (thermal fault 3000C–7000C). Meanwhile, the GT 20 transformer achieved the highest temperature of 169.2307⁰C and the color of paper isolation change to brown (at <300°C). Both transformers were detected getting the failure of partial discharge as the temperatures were more than 150⁰C; in which several gases were formed, including hydrogen and methane gases at around 150⁰C, ethane gas at approximately 250⁰C, ethylene gas at about 350⁰C, and acetylene gas at around 700⁰C. Accordingly, the higher the temperature, the lower the dielectric capacity, where it should function for separating the electrical conductors.

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