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Raden Herdian Bayu Ash Siddiq
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JITTER (Jurnal Ilmiah Teknologi Informasi Terapan)
Published by Universitas Widyatama
ISSN : 26860333     EISSN : 24073911     DOI : https://doi.org/10.33197/jitter.vol4.iss3.2018.16
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering
Jurnal Ilmiah Teknologi Informasi Terapan (JITTER) adalah jurnal ilmiah yang diterbitkan oleh Universitas Widyatama, Bandung. Jurnal ini diterbitkan sebagai wahana sosialisasi dan diseminasi hasil penelitian bagi kalangan akademisi maupun masyarakat luas, pada bidang teknologi informasi dan terapannya. Bidang kajian dicakup meliputi sistem informasi, ilmu komputer, jaringan komputer, basis data, kecerdasan buatan, juga beberapa bidang teknik lainnya seperti Teknik Sipil, Teknik Mesin, Teknik Elektro dan Teknik Industri.
Arjuna Subject : Ilmu Komputer (semua kategori) - Ilmu Komputer (Lain-Lain)
Articles 8 Documents
 1 
Search results for , issue "Vol. 11 No. 1 (2024)" : 8 Documents clear
PENGARUH BEBAN KERJA MENTAL TERHADAP KINERJA WAITERS DI KAFE MANDJA PROGO BANDUNG DENGAN METODE NASA-TLX Fadly Rizky Dermawan; Dony Sastra Danuatmaja
Jurnal Ilmiah Teknologi Infomasi Terapan Vol. 11 No. 1 (2024)
Publisher : Universitas Widyatama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33197/jitter.vol11.iss1.2024.2125

Abstract

The aim of this study is to measure and analyze the mental workload experienced by waiters at Kafe Mandja Progo Bandung, using the NASA-TLX method. The café and restaurant industry in Bandung is experiencing rapid growth, and Kafe Mandja on Jalan Progo has become a favorite destination for locals and tourists alike. However, behind this popularity, waiters face significant challenges of high mental workload, which can affect their performance and productivity. The NASA-TLX method, which measures six main dimensions (Mental Demand, Physical Demand, Temporal Demand, Own Performance, Frustration Level, and Effort), is employed to evaluate the mental workload. The research findings indicate that the average Workload Level (WWL) of waiters at Kafe Mandja Progo exceeds the threshold of 80, indicating a high mental workload. Therefore, action is needed to reduce this workload through task redistribution, hiring new staff, and routine monitoring of mental and physical well-being. Implementation of these strategies is expected to enhance work efficiency, reduce fatigue, and improve service quality at Kafe Mandja. This study provides valuable insights for management to design policies that support employee well-being and performance, and contributes to a deeper understanding of workload management in the culinary industry. Keywords : Mental workload, NASA-TLX, Waiters, Waiters performance
INOVASI ECO GREEN CONCRETE DENGAN PEMANFAATAN LIMBAH SAW, LIMBAH BETON, LIMBAH KERAMIK, DAN LIMBAH KARET SEBAGAI SUBSTITUSI AGREGAT Lilis Tiyani; Amalia; Sukarman; Afrizal Nursin; Muhtarom Riyadi
Jurnal Ilmiah Teknologi Infomasi Terapan Vol. 11 No. 1 (2024)
Publisher : Universitas Widyatama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33197/jitter.vol11.iss1.2024.2327

Abstract

Eco-green concrete emerged as an environmentally friendly solution using waste or leftover materials from various industries. One of them is the replacement of concrete constituent aggregates with materials that do not damage the environment. In this study, Eco Green Concrete innovation was made with a mixture of Submerged Arc Welding (SAW) which is the residual result of the steel welding process, concrete waste, ceramic waste which is substituted for coarse aggregate and rubber waste which is also substituted for fine aggregate with a percentage of 20% SAW waste, 20% concrete waste, 10% ceramic waste, and 8% rubber waste. The purpose of Eco Green Concrete innovation research is to determine the compressive strength of concrete and is expected to affect the estimation of more economical project costs but the quality of concrete used remains quality and environmentally friendly. The research was conducted experimentally by making concrete test objects that were tested for compressive strength at the age of 7, 14, and 28 days, 28-day split tensile strength test and 28-day bending test. Based on the compressive strength test, the results of the 28-day compressive strength test of concrete without innovation were 34.74 Mpa and 33.92 Mpa of innovation concrete. The results of the split tensile strength test of concrete without innovation amounted to 3.87 Mpa and 3.95 Mpa innovation concrete. The results of testing the flexural strength of concrete without innovation amounted to 4.83 Mpa and concrete innovation amounted to 5.22 Mpa. Keywords : concrete, substitution, waste
The Combination of algorithm cryptography aes-256 and sha3-512 for securing pdf documents: KOMBINASI ALGORITMA KRIPTOGRAFI AES-256 DAN SHA3-512 UNTUK MENINGKATKAN KEAMANAN DOKUMEN PDF asep rizal nurjaman; Agus Tinus Turnip
Jurnal Ilmiah Teknologi Infomasi Terapan Vol. 11 No. 1 (2024)
Publisher : Universitas Widyatama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33197/jitter.vol11.iss1.2024.2346

Abstract

Digital documents have become one of the important components in various aspects of life today, ranging from personal data storage to the exchange of sensitive business information. The threat of Interception, or attempts to unlawfully intercept information, includes situations where unauthorized parties attempt to access or retrieve data without the permission of the owner. Therefore, proper measures are required to secure digital documents from the threat of crime. One of the most effective solutions is by applying cryptography. Several previous studies have been developed by combining AES with other algorithms. One of them is by using cryptographic hash functions such as SHA-256 and SHA-512. Until now SHA is still getting more recent developments, SHA-3 being the latest version of the SHA that offers improvements in security and efficiency. This research aims to evaluate the effectiveness of combining AES-256 with SHA3-512 in protecting digital documents, especially in the context of web applications. Researchers want to provide a better security level solution by using AES-256 with SHA3-512. With this combination, documents are not only encrypted using AES-256 to protect their content, but also using SHA-3 to ensure integrity and authentication. So that this research can help provide alternatives in strengthening the security of digital documents and protecting them from various criminal threats in an increasingly complex digital environment.
Analisis Stabilitas Lereng Bendungan 1 Tujuh Bukit Tumpang Pitu Banyuwangi Widde Valensia; Yanyan Agustian
Jurnal Ilmiah Teknologi Infomasi Terapan Vol. 11 No. 1 (2024)
Publisher : Universitas Widyatama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33197/jitter.vol11.iss1.2024.2353

Abstract

The operational success of a dam is significantly influenced by slope stability and seepage safety. This study aims to evaluate the slope stability and seepage safety of the Tujuh Bukit 1 Dam, which has been in operation for five years. The research methodology involves the collection of both primary and secondary data, followed by the development of analysis models. The slope stability analysis was conducted under three conditions: static, Operated Based Earthquake (OBE), and Maximum Design Earthquake (MDE). Additionally, a seepage analysis model was developed to assess safety against uplift pressure and piping erosion. The results indicate that slope stability under static, OBE, and MDE conditions meets the required safety criteria. The factors of safety calculated for each scenario demonstrate that the dam slopes are stable and capable of withstanding the specified loads. Similarly, the seepage analysis results show that the Tujuh Bukit 1 Dam is safe against both uplift and piping erosion, with no significant risk of internal erosion or material loss that could compromise the structure. Based on these analysis results, no additional design modifications or reinforcements are required for the Tujuh Bukit 1 Dam. The current design and construction are adequate to ensure the dam's safety and stability under the evaluated conditions. These findings provide confidence in the dam's operational reliability and valuable insights for future monitoring and maintenance strategies. This study underscores the importance of regular safety evaluations for dams and highlights the effectiveness of detailed analytical models in assessing stability and seepage concerns Keywords: Slope Stability, Seepage Safety, Tujuh Bukit 1 Dam
PERANCANGAN ULANG ANTARMUKA DAN PENGALAMAN PENGGUNA PADA VISUALISASI DATA WEBSITE UNITREND Isnanda Agafrilla; Margareta Hardiyanti
Jurnal Ilmiah Teknologi Infomasi Terapan Vol. 11 No. 1 (2024)
Publisher : Universitas Widyatama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33197/jitter.vol11.iss1.2024.2369

Abstract

The advancement of industry and technology has created opportunities for businesses to turn data into valuable assets that drive growth. Data visualization serves as an effective solution to transform complex data into easily understandable information, thereby accelerating business processes and improving decision-making. The Institute for Policy Development (Poldev) at UGM developed UniTrend, a website that provides real-time public sector data to address the limitations of data access from the government. However, UniTrend's data presentation has yet to consider user-friendliness in reading graphs. This final project aims to address this issue by improving the quality of data visualization in terms of effectiveness and user experience. The resulting design is based on the principles of data-ink ratio and Gestalt principles. A total of nine visualizations from three different designs were tested through low-level tasks and the meCUE questionnaire. The test results showed that data-ink ratio design excelled in three aspects: usefulness by 75%, usability by 67%, overall evaluation by 63%, accuracy by 63%, and preference by 56%. Based on these results, data-ink ratio design demonstrated better overall performance compared to Gestalt principles design. Overall, the application of data-ink ratio and Gestalt principles successfully improved the effectiveness and user satisfaction in accessing information on UniTrend's website data visualizations
PERANCANGAN APLIKASI CLOUD DRIVE BERBASIS WEB SEBAGAI MEDIA PENYIMPANAN ONLINE MENGGUNAKAN VIRTUAL PRIVATE SERVER Entik Insanudin; Anang Sularsa; Duddy Soegiarto
Jurnal Ilmiah Teknologi Infomasi Terapan Vol. 11 No. 1 (2024)
Publisher : Universitas Widyatama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33197/jitter.vol11.iss1.2024.2389

Abstract

The technology that is developing today is information technology. The more storage media used by the public, one of the most widely used media today is cloud-based storage media. The creation of this Cloud Drive application can be done by file sharing using a Virtual Private Server. The server used is the Debian 8 server. The Debian 8 server is an open source server developed on the Linux operating system to serve data exchange between Linux and Windows which will be used on the virtual private server. Thus, making it easier for administrators to configure. In this way, this application can become one of the successful storage media that can be easily accessed by the general public to store any data. Keywords : Cloud Drive, UBuntu, Storage Media, Website
Analisis Dampak Otomasi Industri terhadap Efisiensi Operasional dan Optimasi Konsumsi Energi Resa Pramudita; Muhammad Adzi Putra Ramadhan; Muhammad Rama Ashari; Raditya Arya Nafisa; Dita Nur Rahmawati
Jurnal Ilmiah Teknologi Infomasi Terapan Vol. 11 No. 1 (2024)
Publisher : Universitas Widyatama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33197/jitter.vol11.iss1.2024.2411

Abstract

This study examines the impact of industrial automation and technological advancements, such as artificial intelligence (AI), robotics, and the Internet of Things (IoT), on work efficiency, resource management, and workforce demands in the era of Industry 4.0. The findings reveal that automation enhances productivity by up to 30%, reduces material waste, and supports sustainability through the adoption of renewable energy. However, the replacement of manual jobs by technology creates challenges in meeting the demand for new skills. Education and training are strategic solutions through the integration of STEM-based curricula, reskilling programs, and upskilling initiatives. Additionally, automation contributes to building environmentally friendly production systems by optimizing energy use and improving waste management. Collaboration between governments, private sectors, and educational institutions is crucial to ensure that automation not only improves efficiency and productivity but also creates new opportunities in the technology sector. This study highlights the importance of technological adaptation and human resource development to address challenges and capitalize on opportunities in the era of Industry 4.0.
Percepatan Waktu Menggunakan Metode CPM dan PERT pada Proyek Instalasi Pipa dan Mesin Pompa Swimming Pool Buin Batu School Intan Melenia Leimena; Fahmi
Jurnal Ilmiah Teknologi Infomasi Terapan Vol. 11 No. 1 (2024)
Publisher : Universitas Widyatama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33197/jitter.vol11.iss1.2024.2419

Abstract

Time management is an important part of the implementation of construction projects. The potential for project failure will be even greater without time management. Nowadays, there are many construction projects that have poor performance in terms of time management which causes delays in work. In this final project research, one of the projects managed by PT Prima Graha Bangun Tunggal is the Buin Batu School Swimming Pool Pipe and Pump Machine Installation Project located at Batu Hijau Townsite, Sekongkang, Sumbawa Barat, Nusa Tenggara Barat, there was a delay due to a delay in the project due to structural work carried out by the main contractor has not been completed so that the sparring installation work for the pipes also experienced delays, delays in finishing work by the main contractor caused by materials arriving late at the project site, late validation or approval of material specifications from the contractor, and late material delivery due to payments that have not been made by the owner to the contractor. This study aims to accelerate time using the Critical Path Method (CPM) and Project Evaluation and Review Technique (PERT) methods in the Buin Batu School Swimming Pool Pipe and Pump Machine Installation Project. Data analysis using CPM and PERT methods is to analyze which activities are included in the critical path in order to obtain the optimal duration for the method. From the results of research using the CPM method, 11 activities were obtained in the critical path with a total duration of 114 days where this duration is 95 days faster than the duration of the plans due to the delay in the project. Meanwhile, using the PERT method, 11 activities on the critical path were obtained with a total duration of 123 days which had a difference of 86 days faster than the duration of the plans due to the delay in the project. The probability that the project can be completed in a duration of 123 days is 99.94%. From these results, it can be seen that the CPM scheduling method has the most optimal duration compared to the PERT method.

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