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Ahmad Tri Hidayat / Suhirman
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International Journal of Engineering, Technology and Natural Sciences (IJETS)
Published by Universitas Teknologi Yogyakarta
ISSN : -     EISSN : 26853191     DOI : -
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Industrial & Manufacturing Engineering
Journal IJETS concern in publishing the original research articles, review articles from contributors, and the current issues related to engineering, technology and natural sciences. The main objective of IJETS is to provide a platform for the international scholars, academicians and researchers.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 121 Documents
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Harmonizing Seismic Vulnerability Data for Effective Seismic Risk Assessment: Expert Judgment Method and Findings from a Multi-Stakeholder Study in Indonesia Adi Setiabudi Bawono; Noram Irwan Ramli; Mohamad Idris Ali
Jurnal Internasional Teknik, Teknologi dan Ilmu Pengetahuan Alam Vol 5 No 1 (2023): International Journal of Engineering, Technology and Natural Sciences
Publisher : University of Technology Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46923/ijets.v5i1.242

Abstract

Seismic Risk Management (SRM) is crucial for mitigating the impact of earthquakes, encompassing earthquake preparedness, response planning, building design, and emergency management systems. The 2006 Yogyakarta earthquake in Indonesia resulted in significant loss of life, infrastructure damage, and economic impact, underscoring the importance of Seismic Risk Assessment (SRA) for effective risk reduction. Seismic vulnerability functions are commonly used for SRA, but data collection can be expensive and challenging, and results may be biased due to expert judgment. In Indonesia, variability in house damage state definitions among agencies poses challenges in harmonizing data. This study used expert judgment to harmonize differences in damage state variables resulting from variable references. Data on damage states from five (5) agencies were collected and harmonized through input from earthquake engineering experts via online questionnaires. The resulting data identified five (5) types of damage and reduced variables to nine through harmonization. Twenty (20) experts with diverse backgrounds, including academics, researchers, contractors, consultants, volunteers, and government stakeholders, participated in the study through online questionnaires, and the results were processed and analyzed. The expert judgment method successfully harmonized the differences in damage state variables, ensuring a consistent, reliable, and accurate assessment of building damage, particularly housing damage. The findings of this study underscore the crucial role of expert judgment in harmonizing data for seismic risk assessment. The survey gathered input from experts with diverse backgrounds, including government stakeholders and academics, enriched the study's findings and contributed to a comprehensive understanding of earthquake disaster management. Through expert judgment, the study successfully consolidated variables from different agencies into nine (9) harmonized variables for assessing building damage. Furthermore, experts proposed an additional fourteen (14) factors that need to be considered in residential house damage inspection forms, providing critical information for estimating the extent of damage and informing decisions about repairs or demolition. These variables can be categorized into Rapid Visual Screening (RVS) and observation in more detail, aiding in effective earthquake risk management. However, further validation through comparative literature and field analysis is needed to enhance accuracy and adaptability and explore the potential of incorporating soft computational algorithms in seismic vulnerability assessments as a promising approach.
Understanding of Requirements Engineering using The Three Dimensions of Requirements Engineering Method in Platform Development Sari, Risna; Anggi Muhammad Rifa'i; Muhammad Salimy Ahsan; M Ilham Arief; Mohammad Rezza Pahlevi
Jurnal Internasional Teknik, Teknologi dan Ilmu Pengetahuan Alam Vol 5 No 2 (2023): International Journal of Engineering, Technology and Natural Sciences
Publisher : Universitas Teknologi Yogyakarta, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46923/ijets.v5i2.218

Abstract

Requirements engineering is a critical activity in a development system project, the increasing need for complexity of software development and the heterogeneity of stakeholders in motivating the development of methods and the need to evaluate the engineering requirements needed and aim to lead to a large scale. This study presents a paper in an empirical form that aims to identify and understand the characteristics of the advantages and limitations of the developed platform so that we can know the challenges that will be faced, such as expectations and input from experts for the development of the platform that we develop so that it can be in accordance with what users expect. We conducted this research with the aim of understanding the engineering requirements in the research we developed by utilizing the three dimensions of the requirements engineering method, which consists of requirement elicitation, requirement specification, and requirement validation and verification. The research we conducted managed to understand the stages of needs engineering by producing many documents that help the platform development process. We get the most important UI value from attractiveness, clarity, efficiency, accuracy, stimulation, and novelty, which is 63.2% with a very interest rating, 55.6 with a very interest rating, 57.9% with a very interest rating, 44.4% with a balanced rating between interesting and very interest, 52.6% with an interesting rating, 42.1% with a very interesting rating. We get product values consisting of attractiveness, clarity, efficiency, accuracy, stimulation, and novelty, namely 68.4% with a very interest rating, 52.6% with an interest ng rating, 52.6% with a very interest rating, 47.4% with a balanced rating between interesting and very interest, 47.4% with a balanced rating between interesting and very interest, 47.4% with a balanced rating between interesting and very interest
Arduino-Based Development of Automatic Body Posture Measuring Device for Rapid Entire Body Assessment Method Halim, Lisa Keizia; Theopilus, Yansen; Tjandra, Sugih Sudharma
Jurnal Internasional Teknik, Teknologi dan Ilmu Pengetahuan Alam Vol 5 No 2 (2023): International Journal of Engineering, Technology and Natural Sciences
Publisher : Universitas Teknologi Yogyakarta, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46923/ijets.v5i2.221

Abstract

Workers from various industries can be exposed to musculoskeletal disorders (MSDs) risks in the workplace. Most cases of MSDs happen because of the accumulation of repetitive bad postures. Postural analysis can be done to implement changes that minimize MSDs risks in the workplace. The rapid entire body assessment (REBA) method provides an easy and fast measurement to analyze various postures. The accuracy of REBA assessments from observations is not good enough due to the limitations of human vision. The input of photo-based postural analysis also has a lot of error potential and takes up even more time. Therefore, this study aims to design a tool to do body posture measurements accurately and quickly. The Arduino-based postural analysis tool measures the position of several body segments, which are then used as the input of REBA in real time. The acceleration of each body segment recorded by the MPU6050 will be processed as displacement data and used to analyze the posture. The posture measurements detected by the tool is then used as input for REBA assessment. The device's accuracy was tested by comparing the photo-based postural analysis result to the postural analysis result of the tool. The reliability of the device was tested by Cronbach's Alpha method. The Cronbach's Alpha value of normal standing posture is 0.692, and the extreme posture's Cronbach's alpha value is 0.537. Multiple postures can be recorded at once using the tool. The tool can capture and assess multiple postures in approximately 6 minutes.
Hazardous Waste Management in the Cement Industry for Alternative Raw Material (ARM) or Alternative Fuel (AF) Setiaji, Nurul Faizah; Sarwono, Ariyanti; Suryawan, I Wayan Koko
Jurnal Internasional Teknik, Teknologi dan Ilmu Pengetahuan Alam Vol 5 No 2 (2023): International Journal of Engineering, Technology and Natural Sciences
Publisher : Universitas Teknologi Yogyakarta, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46923/ijets.v5i2.230

Abstract

Hazardous waste from the cement industry can pollute the environment and human health. The use of cement industry waste can be done to minimize this impact. This study aims to analyze the initial conditions of hazardous waste management in the cement industry and its potential utilization. This research was conducted by field observation through three stages, namely the stages of preparation, implementation, and preparation of reports. The XYZ cement industry has two procurement schemes, polutter payment and purchase. The XYZ cement industry permits hazardous waste as an alternative raw material (ARM) for fly ash, bottom ash, paper sludge, drilling cutting, crude oil, contaminated soil, and bleaching earth/eco oil, EAF (electric arc), and dust furnaces. Meanwhile, alternative fuel (AF) consists of used bag cloth, majun (contimated textile waste), used oil, kluber, used grease, resin, and pure SBE (spent bleaching earth).
Deep Convolution Neural Network to solve Problems for Appel Leaf Disease Detection Sutriawan; Ahmad Zaniul Fanani; Farrikh Alzami; Ruri Suko Basuki
Jurnal Internasional Teknik, Teknologi dan Ilmu Pengetahuan Alam Vol 5 No 2 (2023): International Journal of Engineering, Technology and Natural Sciences
Publisher : Universitas Teknologi Yogyakarta, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46923/ijets.v5i2.232

Abstract

Orchardists are now concerned about apple leaf infections since they could result in crop failure. It is challenging for growers to identify the type of illness on apple leaves due to the large variety of diseases that can affect apple leaves. In this study, we cover four different illness categories: healthy, numerous diseased, rusty, and scabby. a deep convolutional neural network method of processing. using a number of suggested methods, including data preprocessing and the pre-configured VGG-16 deep convolutional neural network (CNN) architecture. The Adam optimization model's beta 2 = 0.999 parameter value at Ephoch to 85/100 with an accuracy of 0.7582 and epsilon = 1e-07 parameter value at Ephoch to 32/100 with an accuracy of 0.7582 both produced the best accuracy outcomes.
SIEM (Security Information Event Management) Model for Malware Attack Detection Using Suricata and Evebox Hendra Setiawan; Wiwin Sulistyo
Jurnal Internasional Teknik, Teknologi dan Ilmu Pengetahuan Alam Vol 5 No 2 (2023): International Journal of Engineering, Technology and Natural Sciences
Publisher : Universitas Teknologi Yogyakarta, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46923/ijets.v5i2.241

Abstract

Malware or malicious software is software or program code specifically designed to damage software on a computer or perform malicious activities. Malware is spread over the internet and includes viruses and other forms of malware. Losses caused by malware can take the form of financial losses or disruptions to business processes. Prevention of malware attacks can be achieved by analyzing the malware to find out how it works and what its characteristics are. This information can be utilized to define an Indicator of Compromise (IOC), which is stored in a Cyber Threat Intelligence (CTI) system designed to be used as a source of information, such as the Intrusion Prevention System (IPS) Suricata. An Intrusion Detection System (IDS) can detect the presence of malware and can identify the same malware with the Signature Based Detection method. Furthermore, the database is stored by EveBox and organized to make it easier to read logs and alerts. All of these components are contained in the Security Information and Event Management (SIEM) model. The SIEM model can detect malware attacks based on their characteristics and store logs and alerts in real-time for deeper analysis by the Security Operations Center (SOC).
Designing Product Labels and Digital Marketing as Branding Strategies for Yu Marni’s Tiwul Product Nopita, Dewi; Rodhiyah Mardhiyyah; Maya Listiyani; Tegar Julianto
Jurnal Internasional Teknik, Teknologi dan Ilmu Pengetahuan Alam Vol 5 No 2 (2023): International Journal of Engineering, Technology and Natural Sciences
Publisher : Universitas Teknologi Yogyakarta, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46923/ijets.v5i2.253

Abstract

Yu Marni is a culinary SME undertaking unique local food of Gunungkidul, Yogyakarta with a wide variety of products, including instant tiwul, tiwul flour, corn rice, gatot, and several other products. The packaging designs of these products lacking complete information such as the name of the product and how to use the product. Product marketing is done by entrusting their products to several souvenir shops and utilizing social media such as WhatsApp and Instagram. To make it easier for consumers to find information on Yu Marni's products, a packaging design was created that contained information including the logo, brand, product name, packaging theme, and other supporting information. In addition, a website is created to enhance products introduction to the public as well as a means to perform modern transactions. The rebranding activity resulted in a product packaging design that contained information about the identity of the company and its products. The website that was built is not only for product promotion, but can also be used for transactions and transaction data recap. Keywords: Instant tiwul, Labeling, Marketing, Product Image, Rebranding.
The Implementation Green Building at Syamsudin Noor Airport Ahmad Busairi; Tambun, Madschen SMOSS; Agustina Hotma Uli Tumanggor
Jurnal Internasional Teknik, Teknologi dan Ilmu Pengetahuan Alam Vol 5 No 2 (2023): International Journal of Engineering, Technology and Natural Sciences
Publisher : Universitas Teknologi Yogyakarta, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46923/ijets.v5i2.261

Abstract

The development of Syamsudin Noor Airport is expected to have a major impact on the economy of the people of South Kalimantan. However, the construction of airports will have an impact on the environment due to the increasing number of human activities. And to anticipate these adverse effects, Syamsudin Noor Airport applies the concept of Green Building. The purpose of this study is to provide a descriptive picture of the extent to which Syamsudin Noor Airport has implemented the concept of green building. From the observations, Syamsudin Noor Airport has implemented green buildings such as solar panels, the use of bright glass that allows natural light to enter the terminal space, wastewater treatment facilities, green open spaces in the airport terminal area, bicycle parking and shower compartments, room temperature settings that create comfort in working, and the presence of no-smoking signs. With the implementation of green buildings at Syamsudin Noor Airport to meet the service standards set in the Presidential Law of the Republic of Indonesia No. 1 of 2009, supporting an environmentally friendly workplace and reducing operational costs.
Recycling in Islamic Perspective Case Study of Architectural Works Using Waste Building Materials Yolandita Aristawati; Hanif Budiman; Putu Ayu P. Agustiananda; Noram Irwan Ramli
Jurnal Internasional Teknik, Teknologi dan Ilmu Pengetahuan Alam Vol 5 No 2 (2023): International Journal of Engineering, Technology and Natural Sciences
Publisher : Universitas Teknologi Yogyakarta, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46923/ijets.v5i2.271

Abstract

Waste is a serious environmental problem worldwide. Waste can refer to various types of materials or substances resulting from human, industrial, agricultural and other activities. The waste problem covers aspects such as management, environmental impact and human health. In this paper, an Islamic perspective on waste recycling in building architecture is discussed. Case studies involving architectural works with the use of building waste reflect the principle of recycling in practice. Waste buildings are materials or structures which have been retired for their original purpose but which still have the potential to be reused with little or no major alterations. Architectural works such as households, community facilities, or even commercial buildings can use used materials that are still usable to reduce demand for new resources. However, in implementing the recycling concept in architecture, it is necessary to pay attention to several aspects, such as structural safety, quality of used materials, and compatibility with the surrounding environment. Islam encourages the use of resources wisely and in moderation, as well as minimizing negative impacts on the environment. This is the responsibility of humans as caliphs on earth to preserve the environment and to maintain the balance of the ecosystem. as well as compatibility with the surrounding environment. Islam encourages the use of resources wisely and in moderation, as well as minimizing negative impacts on the environment. This is the responsibility of humans as caliphs on earth to preserve the environment and to maintain the balance of the ecosystem. as well as compatibility with the surrounding environment. Islam encourages the use of resources wisely and in moderation, as well as minimizing negative impacts on the environment. This is the responsibility of humans as caliphs on earth to preserve the environment and to maintain the balance of the ecosystem. Keywords: Islamic Perspective; Architecture; Recycle; Building material; Environmental Conservation
Designing A Company Performance Appraisal System With the Balance Score Card Method Winarno, Heru; Syamsudin; Syaina Azzahra; Angga Baghaskara
Jurnal Internasional Teknik, Teknologi dan Ilmu Pengetahuan Alam Vol 5 No 2 (2023): International Journal of Engineering, Technology and Natural Sciences
Publisher : Universitas Teknologi Yogyakarta, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46923/ijets.v5i2.273

Abstract

AbstractIntense competition does not look at the size of a company, in order to be productive and innovate, requires the role and task of resources in the business field that lie in the ability to act according to the company's targets. Human resources have a very crucial role in a company. Without human resources, the company will not be able to run well in achieving its goals. Human Resource Management in its operation requires performance that must be developed, especially for service industries and services supported by the design of a measurable employee performance assessment system by applying the Balanced Score Card method. Companies certainly want steps and strategies in implementing the design of a performance appraisal system in an effort to maximize the company's role in order to run and compete competitively. The purpose of this research is to determine the design of a service company performance appraisal system using the Balanced Scorecard approach. The population and sample in this study are the Tribuana 1 Cooperative Primary Company. The method in this study is a qualitative descriptive approach using interviews and observations. The result of this research is the design of a Performance Appraisal system based on four perspectives contained in the Balanced Scorecard, the first is the financial perspective, which is used as a basis for the consequences of economic actions. The second perspective, the customer perspective, is a market segment where companies must adjust the level of satisfaction, loyalty, retention, and customer acquisition. The third perspective is the perspective of internal business processes, carrying out the process of measuring and innovating products to have added value, the fourth perspective is the perspective of growth and development, improving the quality of results, productivity and improving resource welfare.Keywords: Balanced Scorecard; Human Resource Management; Performance Appraisal

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