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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 276 Documents
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Honda Tiger 2000 Bike Engine Modification Test against Exhaust Emissions and Fuel Consumption Bahtiar, Bahtiar Wilantara; Hamid Nasrullah; Atip Suwarno; Ahmad Nurkholis; R Chandra; Tombak Rizky Wijaya; Firman Handoko
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 5 No 1 (2021)
Publisher : Politeknik Dharma Patria Kebumen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v5i1.535

Abstract

This study aims to determine the effect of modification of the Honda Tiger 2000 on exhaust emissions of CO and HC. The method used is to modify the carburettor venturi piston and replace the rocker arm with a roller rocker arm. The exhaust emission test used a gas analyzer type SUKYOUNG SY-GA 401. The object of the study was a Honda Tiger 2000 motorcycle. The results showed that modification of the Honda Tiger 2000 motorcycle at idle, 1000 rpm, 1500 rpm, and 2000 rpm increased CO emissions but reduced HC emissions. Based on comparing the motorcycle emission threshold values for manufacture ≤ 2010, namely CO emissions exceeding 5.5% and HC emissions less than 2400 ppm. Pertamax Turbo fuel consumption is more efficient than Pertalite with a distance ratio of 45 km requiring 1L Pertamax Turbo and 1.4L Petalite.
The Effect of Installing Modified Copper in Muffler to Reduce CO Levels in Vehicle Exhaust Nugroho, Arif Setyo
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 5 No 1 (2021)
Publisher : Politeknik Dharma Patria Kebumen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v5i1.545

Abstract

This study aims to determine the effectiveness of modified copper to reduce carbon monoxide (CO) levels. Copper in the form of a plate shaped like a honeycomb and altered with activated carbon (SiO) and ZSM-5. The test uses a four-stroke 125 CC two-wheeled motor vehicle, fuel using Petalite, gasohol E5, gasohol E10, gasohol E15. The test carried out is the emission test of the effect of fuel variations and modified copper. The use of petalite fuel, variations of honeycomb copper + activated carbon (SiO-C) + ZSM-5 is more effective because it can reduce CO levels the most, which is 3.66% CO at 9000 rpm engine speed. For E5 fuel, the use of a honeycomb-shaped copper exhaust + Titan dioxide (TiO2) + Activated carbon (SiO-C) + ZSM-5 reduces CO levels by 3.42% CO at 9000 rpm engine speed. On the other hand, E10 fuel reduces CO levels by 1.35% CO when using exhaust with honeycomb copper+ TiO2 + SiO-C +ZSM-5.
Web-Based Automated Rainwater Storage and Water Quality Monitoring Design Using K-Nearest Neighbor Method Jatnika, Hendra; Yudhi S. Purwanto; Moch. Farid Rifai; Rian Hasiando Silaen
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 5 No 1 (2021)
Publisher : Politeknik Dharma Patria Kebumen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v5i1.551

Abstract

Clean water is a basic human need that is used for daily activities. However, as the population increases, the need for water also increases. One method of conserving water resources is Rainwater Storage. Conventional rainwater storage cannot be appropriately monitored, maintain water quality, and only works like a container, which, if left to continue, can result in the collected rainwater becoming a source of disease and dangerous for users. This research aims to create an automatic rainwater collection system and water quality monitoring that can control the flow of water that will enter the reservoir to keep the water entering the reservoir of good quality. In the manufacture of this system, three sensors are used, including a pH sensor, a water turbidity sensor, and a TDS (Total Dissolved Solids) sensor. In determining water quality, the k-Nearest Neighbor (k-NN) method is used to classify whether the water is feasible, less feasible, or not suitable for consumption. Data transmission uses the ESP8266 WiFi module, and monitoring data can be viewed on the website. Testing the system using an experimental method, and in testing, it is found that this system can classify water quality with an accuracy rate of 70%.
Car Brake Works as Indicator Tool Sudarsono, Bambang; Hamid Nasrullah; Fanani Arif Ghozali; Aji Apri Setiawan
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 5 No 1 (2021)
Publisher : Politeknik Dharma Patria Kebumen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v5i1.559

Abstract

Accidents caused by malfunctioning of the brake light system are increasing in line with the rise in road facilities. It provides space for drivers to drive vehicles quickly. To overcome this problem, a system that can signal the driver must rapidly identify the damaged brake lights. The purpose of this study was to produce a car brake indicator tool. This tool is an electronic device that functions to determine the brake light when one of the brake lights is off by automatically giving a signal on the car's dashboard. The method used to produce brake work indicator tools consists of designing, manufacturing, and testing. The testing process has been carried out through a lux meter, and the test variables include testing the use of electric current, voltage when the tool is working, and trying the performance of the device on the car. From testing this tool, the results obtained when the current usage of the tool is working, namely before the induction works of 2 amperes and when the induction works it is 0.5 amperes. The magnitude of the voltage when the device is used is 11.8 volts. Based on the experiments that have been carried out, there are no disturbances in the lighting system or other systems on the car when this tool is working. This tool can work well to provide convenience and comfort when driving by car. Based on the experiments that have been carried out, there are no disturbances in the lighting system or other systems on the vehicle when this tool is working. This tool can work well to provide convenience and comfort when driving by car. Based on the experiments that have been carried out, there are no disturbances in the lighting system or other systems on the vehicle when this tool is working. This tool can work well to provide convenience and comfort when driving by car.
Application of the Rational Unified Process Method in Web Service Development Payment System Integration with Multibank Virtual Accounts Sopingi; Ety Meikhati; Wijiyanto
Jurnal E-Komtek Vol 5 No 1 (2021)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v5i1.565

Abstract

The Payment System is a series of interconnected components consisting of rules, institutions, and procedures used for money transactions in fulfilling the obligations of economic activities. The Duta Bangsa University of Surakarta is a case study in this research where the student payment system is still a billing system. The faculty finance department gives bills tuition fees to students one by one. Moreover, it determines the bank used for payments. It resulted in quite many queues when filling out the study plan card (KRS) and exams. This research aims to produce a web service application and standardization with good performance in the payment process at Duta Bangsa University through virtual accounts from various banks and payment channels. The method used to achieve the authors' goals in this study is the Rational Unified Process (RUP) method. The research result is a web service application that can make invoices, inquiries, payments, and reversals of various bank payment channels. The User Acceptance Test results show a very agreeable value of 94.17%, so that the web service is feasible for the production version application. While testing the response time to measure performance for 7 (seven) days, the average response time was 0.49809 seconds.
Voice Over Internet Protocol (VoIP) User Location Detection Application Elsa Sanjaya Putri; Mohammad Fadhli; Martinus Mujur Rose
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 5 No 2 (2021)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v5i2.655

Abstract

This study aimed to build a Voice Over Internet Protocol (VoIP) User Location Detection Application and address information security for the public if they receive attention from unknown or undesired people. This application displays a map or location of people who communicate with others via mobile phones. The Application Development Methodology used the Iteration Method appeared in the database. Application testing used the black-box testing method, and the test results ran according to the expected function. The final result of this research was a telephone application that functioned by displaying a map on the phone screen of the call’s receiver. Therefore, without being asked, when the recipient picks up the phone, they connect to the map -in case something unwanted happens or when the callers merely want to exchange information with each other.
Design and Build Audio and Video Streaming on Raspberry Pi-based Reconnaissance Robot for Android Anisah Meidella; Irma Salamah; R.A Halimatuss’adiyah
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 5 No 2 (2021)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v5i2.656

Abstract

The development of sophisticated technology for human life starts from the development of computerized technology, information and communication technology, and technology in the field of mechanics, especially robotics. Robotics technology is a form of technological change that creates innovations all the time. The purpose of this design was to implement the technology concept of the Raspberry Pi microcontroller in the form of military applications, household chores, industrial areas monitoring, and security maintenance that may cause high dangerous risks without the user going directly to carry out the activities. The method used in developing the concept of merging audio and video followed the MJPEG Streamer and Darkice method. The product was a robot that resembles a car made using wheels that moves in the direction the user wants via an Android control. The communication employs a Raspberry Pi server sent from the robot to Android by displaying a streaming screen on the application. The data obtained are in images and sounds generated from the camera on the robot.
Assessment of Tilawati Jilid Promotion at Darul Falah Lamandau Foundation Using the Profile Matching Method Safitri, Diah Atika; Nurahman
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 5 No 2 (2021)
Publisher : Politeknik Dharma Patria Kebumen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v5i2.667

Abstract

The assessment of tilawati jilid promotion refers to an activity performed to the students’ ability before they study the next jilid. This step is to determine the success of learning of the jilid. The research was carried out by applying the profile matching method to calculate the values by using the standard values. By using the Profile Matching method, the results were that 5 students were promoted to the next jilid and 2 students had to improve their ability. In the accuracy test, 7 test data were used based on the original test data and system test data. Based on the comparison, the 7 data had the same results as the original data. Therefore, the accuracy calculation obtained a rate of 100%.
Wind Speed Analysis Study for Wind Power Plant in Kebumen Tafrikhatin, Asni; Purnata, Hendi; Hafid Kusuma , Rafli; Faisal Efendi , Anggi; Mahfud, Guffaro
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 5 No 2 (2021)
Publisher : Politeknik Dharma Patria Kebumen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v5i2.698

Abstract

Reserves of fossil energy sources are starting to run low, so the government has launched renewable energy sources. The National Energy Policy (KEN) targets Indonesia by 2025 to use renewable energy sources of 23% of its energy needs. Because of this, the government has started opening places that have the potential for generating renewable energy, especially the areas where PLN electricity cannot reach, withincluding the southern coastal area of Kebumen.. The wind potential in this coastal area of Java Island meets the criteria for a Wind Power Plant. The purpose of this research was to analyze the wind potential in the southern coastal area of Kebumen. The specific purpose of this study was to determine the wind speed and the location and calculate the power generated by the wind in the southern coastal area of Kebumen to determine the potential of PLTB in Kebumen area. The stages of this research consisted of retrieval of secondary data, analysis using Excel, and power analysis using HOMER. Based on wind speed data from NASA, the southern coastal area of Kebumen is suitable for making PLTB, especially Buayan and Ayah, because the wind speed between 2016-2020 is 2.15 m/s. Then, the power produced annually in these places, based on the HOMER application, was 86.50 kWh/year.
Classification of Poverty Reduction Program Recipients with Neural Network Algorithm in East Kotawaringin Communities Nurahman; Seabtian, Dwi Tjahjo
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 5 No 2 (2021)
Publisher : Politeknik Dharma Patria Kebumen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v5i2.751

Abstract

Indonesia has a poverty rate of 24.79 million. Kotawaringin Timur is inhabited by 27.4 thousand people with an income of less than Rp. 416,777/month. The provision must be right on target, and recipients of assistance must use the assistance following the rules determined by the government. This research is to formulate a conceptual model of the Neural Network Algorithm structure that can be used to predict the use of assistance funds. This research applies the Knowledge Discovery Data methodology with Neural Network Algorithm for classification. The research has shown that the application of the Neural Network Algorithm with feature selection can improve performance with values AUC=0.974, CA=0.977, F1=0.977, Precision=0.977, Recall=0.977. The level of performance value for accuracy of Neural Network Algorithm in classifying is the excellent classification category. The recommended Neural Network parameter models are Neurons in hidden layers 100, Activation ReLu, Solver Adam, Regularization, α = 0.0001, and a Maximal number of iterations 200.

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