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International Journal of Engineering and Emerging Technology
Published by Universitas Udayana
ISSN : 25795988     EISSN : 2579597X     DOI : https://doi.org/10.24843/IJEET.2017.v02.i01
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Mechanical Engineering
International Journal of Engineering and Emerging Technology is the biannual official publication of the Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University. The journal is open to submission from scholars and experts in the wide areas of engineering, such as civil and construction, mechanical, architecture, electrical, electronic, and computer engineering, and information technology as well. The scope of these areas may encompass: (1) theory, methodology, practice, and applications; (2) analysis, design, development and evaluation; and (3) scientific and technical support to establishment of technical standards.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 197 Documents
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Dynamic Map Pathfinding Using Hierarchical Pathfinding Theta-Star (HPT*) Algorithm Irfan Darwin; Suryadiputra Liawatimena
International Journal of Engineering and Emerging Technology Vol 6 No 2 (2021): July - December 2021
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

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Abstract

Theta-Star is an efficient algorithm that can be used to find an optimal path in a map with better performance compared to the A-Star algorithm. Combining the Theta-Star with Hierarchical Pathfinding further enhances its performance by abstracting a large map into several clusters. What this combination lacks is the capability to handle a dynamic element in the map. Without that capability, the agent could potentially collide with elements in the map that is undesirable in certain conditions, while adding that capability might reduce the pathfinding algorithm's performance. The proposed algorithm aims to provide the capability to handle dynamic elements without severe negative impact on the performance of the algorithm. The effectiveness of the proposed algorithm is verified in terms of execution time, number of nodes explored, final path length, and the number of collisions that occurred.
Design and Build a Battery Charging Station for Electric Vehicles Hammam Saifullah
International Journal of Engineering and Emerging Technology Vol 6 No 2 (2021): July - December 2021
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

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Abstract

Battery is a medium used to store electrical energy. Currently often found cases about the use of batteries that do not last long. This is because we often forget to turn off the device for charging when charging is complete. So that happens is that charging will continue to work even in an over current or over voltage state. In this system used battery type accu. The input voltage from the system charging is voltage PLN which is lowered by the transformer then rectified by the Uncontrolled Full Wave Rectifier and lowered again by Buck Converter. Method used is constant current constant voltage using PI control for the set point of current and output voltage of Buck Converter. The system used STM32F4 microcontrolleras the central control system. When battery is full the relay will work to stop the process charging then SMS gateway will send a notification that the charging is complete. From the test was found that the relay can disconnect when the input voltage of the buck converter is not according to the design and the relay is also able to disconnect when the battery output current is below 0.34 A to overcome overcharge. The implementation on hardware is in accordance with the plan so that the device can be used for charging with the method constant current constant voltage by maintaining acurrent charging of 1.049 A during the initial process charging and voltage charging of 13.8 V at the end of charging so as to prevent overcharge.
HAZARD IDENTIFICATION AND RISK CONTROL ON THE NICU-PONEK BUILDING CONSTRUCTION PROJECT OF TABANAN REGIONAL GENERAL HOSPITAL Ni Komang Armaeni; IWG. Erick Triswandana; IB. Dalem Gunawangsa
International Journal of Engineering and Emerging Technology Vol 6 No 2 (2021): July - December 2021
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

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Abstract

In the implementation of construction projects, management of the project work time so that the project is completed on time, but in reality on the ground there are still many things that can hamper the work of the project, one of which is a work accident that occurs to project workers.. In the process of building the NICU-Ponek Building, workers on the project are very rarely using Personal Protective Equipment, even though it has been provided by the company. Based on this, the authors devised this plan with the aim of minimizing the risk of work accidents through the process of hazard identification, risk assessment, and continued risk control. This planning method was done by qualitative method by explaining variables at the hazard identification stage and processing data at the risk assessment stage. Quantitative methods are also used against questionnaire results at the risk assessment stage including validity tests. The results of planning at the hazard identification stage through the "Expert Test" questionnaire resulted in 74 variables and 290 indicators that will be influential and continue to the end of the risk assessment questionnaire. At the risk assessment phase through a risk assessment questionnaire produces 3 types of risk levels, namely low risk rating, moderate and high risk rating which is further controlled by advanced risk controlling. Based on the results of the risk assessment questionnaire, there are 32 variables and 38 indicators that have a high rating of risk carried out by means of technical control and administrative control.
E Effect Alkaline Activator Ratio on Porosity Geopolymer Binder Based Umeanyar Slate Stone Powder Ni Kadek Astariani
International Journal of Engineering and Emerging Technology Vol 6 No 2 (2021): July - December 2021
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

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Abstract

This research focuses on the manufacture of geopolymer binder based on Umeanyar slate stone powder (USSP) with alkaline activator sodium silicate (Na2SiO3) and sodium hydroxide (NaOH). The effect of alkaline activator ratio on porosity was investigated in this study. USSP geopolymer binder contains SiO2 (49%), Al2O3 (11%), CaO (11.2%) and uses a NaOH activator with a concentration of 14 M. The proportion of precursor and activator (P/A) are 70%: 30%; 75%: 25%; 80%: 20% and alkaline activator Na2SiO3: NaOH (SS/SH) were 1: 1; 1.5: 1; 2: 1, by weight. The sample of the specimen is made in the mould of a cylinder with a diameter of 25mm and height of 50 mm and tested at the age of 7 and 28 days. Porosity test according to ASTMC642-06. The porosity test results of the geopolymer binder at the age of 28 days were decreased when the P/A ratio increased and the SS/SH ratio decreased.
Developing Big Data Analytics (BDA) Utilization Model in Indonesia Jonny Jonny
International Journal of Engineering and Emerging Technology Vol 6 No 2 (2021): July - December 2021
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

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Abstract

This paper intends to develop a model of Big Data Analytics (BDA) utilization in Indonesian context. This is important due to the lack of related research on what factors influencing company to adopt BDA as their strategic and somehow secret weapon to win in nowadays intensified competition among companies in industries. By the model, this paper aims to contribute additional knowledge on what factors influence company to adopt this emerging technology as part of their strategic action in winning the market. Thus, intended questionnaires are distributed to about 206 companies. However, only 124 responses can be gathered and proceed using Part-Least Square (PLS) Structural Equation Modeling (SEM) and TOE Framework by adopting SmartPLS 3.0. By processing those data, two significant insights can be generated. First, BDA adoption in Indonesia is mainly encouraged degree of technology savviness, organizational readiness, and better anticipating environmental changes. Second, Organization readiness is also influenced by technology savviness and environmental changes anticipation. the company needs to master its technology which in Indonesia, compatibility and relative advantage could be significant issue. Thus, for those who want to adopt this emerging technology need to develop technology savviness and organization readiness while anticipate environmental changes.
Extreme Programming for Developing List Complain Feature Design on Griya Bayar System A.A.Sg. Mas Karunia Maharani
International Journal of Engineering and Emerging Technology Vol 6 No 2 (2021): July - December 2021
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

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Abstract

Technological developments greatly affect various things, such as companies. Many companies’s process depend on technology and the most widely used are information systems. The information system that is widely accessed is the website. One of the companies is PT. Penkalis Sridanta usa a website on transaction process in PPOB Griya Bayar. However, there is a complex flow in complain list which is checking success or pending transaction process. They still use manual step and it’s make it need a lot of time during the process. Therefore, this journal discusses the development of the Complain List feature design using the Extreme Programming software development method. This method is suitable because of its flexibility and fast processing. The design of the Complain List feature consists of several stages such as planning, design, coding and testing. In the planning stage, we discuss user stories and scheduling. In the design phase there are CRC, Usecase, ERD and UI Design. At the coding and testing stages, other research can be carried out and it is hoped that it can be developed into a real system that can be used in real time.
Digital Book Model for Mangrove Ecotourism Development I Gede Sujana Eka Putra
International Journal of Engineering and Emerging Technology Vol 6 No 2 (2021): July - December 2021
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

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Abstract

The tourism sector is the sector most affected by the COVID-19 pandemic. Bali as one of the provinces that depends on the tourism sector, with economic growth in the third quarter of 2020 reaching -12.28%. One of the tourism sectors in Bali is the Kampoeng Kepiting mangrove ecotourism located in Tuban Village, Kuta - Badung District, which is developed and managed by the Wanasari fishing group. Kampoeng crab mangrove ecotourism offers several tour packages such as mangrove tours by canoe and boat, fishing, education, mangrove nurseries and planting, crab cage tours and culinary tours. Since its establishment in 2008 until before the pandemic, this ecotourism received tourist visits who wanted to enjoy the natural scenery of mangroves, culinary tours and mangrove education, but since the COVID 19 pandemic hit in 2020, this ecotourism began to lack visitors, impacting the economy of the fishing community. The research problem is how to design model of digital book to develop mangrove ecotourism. This research uses a descriptive qualitative method, to develop mangrove ecotourism by using digital book. This digital book is developed using the html and JavaScript web language, which is designed to improve web appearance as viewing information in a book. This ecotourism digital book can be accessed online, displaying the tour packages offered, information on tour packages and mangrove planting activities as an educational medium for mangrove conservation. The development of this digitalization model is expected to support the promotion of mangrove ecotourism during the COVID-19 pandemic.

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