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INDONESIA
Indonesian Journal of Engineering Research
Published by Future Science
ISSN : -     EISSN : 27471438     DOI : http://dx.doi.org/10.11594/ijer
Core Subject : Engineering,
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering
Indonesian Journal of Engineering Research Journal (IJER) is international journal aimed to the development of fundamental theoretical knowledge in engineering as well as the application of the technological development in engineering fields including: Civil Electrical Mechanical Industrial Chemical Informatics Environmental and Renewable Energy or multidisciplinary in engineering. We accept original scientific papers reporting on original theoretical or practical research results with sufficient data. We also accept papers that contribute to the implementation of scientific results for practical use.
Arjuna Subject : Teknik (semua kategori) - Bangunan dan Konstruksi
Articles 25 Documents
 1   2   3 
Availability of Silica in Dusts at different operations locations in Limestone Quarry in Ewekoro, Nigeria Olatunji, Kayode
Indonesian Journal of Engineering Research Vol 4 No 1 (2023): Indonesian Journal of Engineering Research
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/ijer.v4i1.43

Abstract

The dusts from mines and quarries have been reported to induce respiratory problems among mineral workers. This study was carried out to investigate the availability of free silica in the dust from different parts of the quarry with different activities. The blasted, boreholes and stacked sites were investigated. The collected dust was analyzed using an X-Ray analyzer. The result shows that the highest free silica content (mean of 22.279%) was found in dusts from borehole, followed by blasted parts (17.195%). The stacked shows the least mean (7.566%). The statistical analysis carried out on the result using SPSS software shows that there is statistical independence of the dust from different sections of the quarry, meanwhile the values of the means are environmentally significant. The recommendations were made on how to control the negative effect of the free silica in every aspect of the quarry with emphasis on borehole drilling section.
Control System for Swerve Drive Wheeled Automated Guided Vehicle with Ultra-Wide Band Local Positioning System Arifianto, Mada Jimmy Fonda; Afianto; Suhendra
Indonesian Journal of Engineering Research Vol 4 No 1 (2023): Indonesian Journal of Engineering Research
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/ijer.v4i1.45

Abstract

Control system for Automates Guided Vehicle (AGV) is used to control the motor movement so that the AGV can go to a position in certain speed and orientation. Discussion in this paper is about how to control 4-wheel swerve drive-based AGV. Mechanical structure of each wheel is built in such a way that the wheel can move forward / backward and the orientation can be adjusted while moving. Each wheel requires two BLDC motors to drive and to steer the AGV. In this project, the power each motor is 200W which is drove and controlled by Syntron LS20530G motor driver that connected to a computer via CAN-bus. An Ultra-Wide Band (UWB)-based Local Positioning System (LPS) is used to monitor the position of the AGV as well as a guide for non-physical paths so that AGV moves according to a given path virtually. The experimental results show that AGV can move in a straight line with a speed of 50m/min. Wheels can also be steered according to a certain angle so that the AGV can move towards the destination point. The steering angle of each wheel is between -135 degrees to 135 degrees.
ELEMENTS OF COST AND SCHEDULE OVERRUN IN CONSTRUCTIONPROJECTS WAHEED, MUHAMMAD
Indonesian Journal of Engineering Research Vol 4 No 2 (2023): Indonesian Journal of Engineering Research
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/ijer.v4i2.46

Abstract

The cost of a basic upgrade to this wonderful piece of study is typically expressed in necessary units like earned dollars. The economic activity necessary to ensure that the building projects are sufficiently finished within an approved budget is properly included in the Project Cost. Although having more practical experience in construction management, cost and schedule overruns still play a significant role in many projects. Modern literatures are studied back-to-back and divided into two parts, which costs money for particular projects, overrunning of schedules in construction projects. The main study establishes that price increase causes cost and schedule overruns. For all intents and purposes, any client who is interested in facilities in the manufacturing sector is complete in terms of scope, timing, and cost. These studies have been published under a creative commons permission with the express purpose of carefully controlling causes. Uniquely required, necessary materials and cutting-edge products have a direct impact on building projects' schedule and expense overruns. The published study clearly shows the lack of essential maintenance of the project equipment, decreased working class productivity, barriers in bill declaration, poor preservation of the useful tools, and other external factors slowly constitute the significant factors that may properly conduct the project at a typical cost over the period.
Development of Fish Distribution Information System for Digital Virtual Assitant based on Harvesine with LoRA Node Dwi Sasmita Aji Pambudi; Afif Zuhri Arfianto; Muhammad Khoirul Hasin; Dimas Pritovani Riananda
Indonesian Journal of Engineering Research Vol 4 No 2 (2023): Indonesian Journal of Engineering Research
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/ijer.v4i2.48

Abstract

The pressing issue of suboptimal and inefficient traditional fishing practices among local communities. Traditional fishermen often operate with inadequate equipment, resulting in less-than-optimal fishing outcomes. In this context, the lack of modern tools and techniques hinders the effectiveness of fish capture. Addressing these challenges is crucial for enhancing the productivity and sustainability of traditional fishing practices. The study aims to develop an advanced Fish Distribution Information System tailored for a Digital Virtual Assistant using the Haversine method and LoRA nodes. This system provide instantaneous, location-specific details about fish distribution and involves designing a data logger serving as repository for travel histories, utilizing a website as the user interface interfacing with a Leaflet map in a Geographic Information System (GIS). The Haversine method is employed for precise distance computations between LoRA Gateway, information about fish distribution, and unfavorable weather conditions within the specified area. the resukt show that The distance displayed on the website with the haversine method with excel calculation comparison produces an error calculation of 0.157%, while the percentage error for GPS latitude accuracy is 0.000116% and longitude percentage is 0.000002%. RSSI performance at LoRA ranges from -57dBM at a distance of 50m and -121dBM at a distance of 1500m.
Exploring the Confluence of Technology and Driving: An Examination of Advanced Driver Assistance Systems Maharajpet, Sheela S; S, Chiranjeevi
Indonesian Journal of Engineering Research Vol 4 No 2 (2023): Indonesian Journal of Engineering Research
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/ijer.v4i2.52

Abstract

This paper architecture analysis highlights the key components of the ADAS design, including the sensors, perception layer, decision-making layer, and action layer. It explains the flow of data through the system and how sensor fusion contributes to the creation of a comprehensive image of the car's surroundings. It goes on to cover further ADAS features and their advantages, such as automated braking, adaptive cruise control, traffic sign recognition, and blind-spot detection. The hopeful future of ADAS technology is highlighted in the article's conclusion, along with how it might change driving habits, boost traffic safety, and enhance driving in general. It draws attention to the critical issues that require more study and development in order to solve them and open the door for ADAS to be widely used in a variety of traffic situations, particularly in India.

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