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Jurnal Ilmiah Teknik (JUIT)
Published by Asosiasi Dosen Muda Indonesia
ISSN : 28286936     EISSN : 28286901     DOI : https://doi.org/10.56127/juit.v1i1
Core Subject : Engineering,
Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering
Jurnal Ilmiah Teknik adalah jurnal yang ditujukan untuk publikasi artikel ilmiah yang diterbitkan oleh Asosiasi Dosen Muda Indonesia dan di payungi Oleh Yayasan Dosen Muda Indonesia. Jurnal ini adalah jurnal Ilmu Teknik yang bersifat peer-review dan terbuka. Bidang kajian dalam jurnal ini termasuk sub rumpun Ilmu Teknik Mesin, Elektro, Kimia, Sipil, Metalurgi dan Teknik Industri. Jurnal Ilmu Teknik menerima artikel dalam bahasa Inggris dan bahasa Indonesia dan diterbitkan 3 kali setahun: Januari, Mei, September.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 127 Documents
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Usability Analysis of the Authentication Feature in the Andal by Taspen Application Using the System Usability Scale Method Sari, Putri Permata; Kholil, Ishak
Jurnal Ilmiah Teknik Vol. 5 No. 1 (2026): Januari: Jurnal Ilmiah Teknik
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/juit.v5i1.2442

Abstract

This study evaluates the usability of the authentication feature in the Andal by Taspen application for pensioners, focusing on challenges faced by elderly users, as initial reviews indicate issues with its effectiveness. Objective: This study aims to assess the usability of the Andal by Taspen authentication feature using the System Usability Scale (SUS) method, identify usability issues affecting elderly users, and provide recommendations for improvement. Specifically, the study focuses on evaluating whether the selfie-based authentication process meets the needs of elderly pensioners, who may face challenges in digital literacy and physical limitations. Methodology: This quantitative study involved distributing the System Usability Scale (SUS) questionnaire to PT Taspen pensioners in the Cempaka Putih District, Jakarta. The responses were analyzed using the SUS method to generate a usability score for the authentication feature and to identify areas for improvement. Findings: The findings reveal that the Andal by Taspen authentication feature received a SUS score of 61, which corresponds to Grade D on the SUS scale, with an adjective rating of "OK" and an acceptability range classified as "Marginal (Acceptable)." The primary issues identified include difficulties in the self-authentication process, particularly for elderly users, as well as challenges related to digital literacy and physical constraints. Implications: The study recommends the development of an heir-based authentication feature to assist elderly pensioners in the authentication process. Additionally, the study emphasizes the importance of improving digital literacy among elderly users to ensure that they can effectively use digital platforms. Originality: This research offers a unique contribution to the field of digital public services by providing an empirical evaluation of selfie-based biometric authentication in mobile applications for elderly users, a topic that remains underexplored in existing literature. The findings provide valuable insights into the usability challenges faced by older adults, particularly in the context of pension services, and propose actionable solutions to enhance accessibility and usability.
Quality Control Analysis Using the Seven Quality Control Tools in the Production Process of Crinkle Culotte Pants at CV Damar Konveksi Zulkarnain, Yahya Zulkarnain; Maulida Butar Butar; Alsen Medikano; Renaldy Wicaksono
Jurnal Ilmiah Teknik Vol. 5 No. 1 (2026): Januari: Jurnal Ilmiah Teknik
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/juit.v5i1.2451

Abstract

The garment manufacturing industry in Indonesia faces challenges in maintaining product quality, particularly in the production of crinkle culotte pants at CV Damar Konveksi. Product defects, especially in the sewing and finishing stages, have resulted in lower quality and production efficiency. Objective: This study aims to analyze and improve quality control in the production process of crinkle culotte pants at CV Damar Konveksi, identifying dominant defects and their causes to recommend corrective actions. Methodology: A quantitative approach was used, collecting primary data from direct observations and secondary data from internal records. Data were analyzed using check sheets, scatter diagrams, control charts, Pareto diagrams, and fishbone diagrams to identify defect types, frequencies, and root causes. Findings: Out of 450 units produced, 21 were defective (4.6% of total production). The Pareto diagram revealed that asymmetrical stitching and excessive sewing threads accounted for 71.4% of the defects. Control chart analysis showed the process remained within control limits, though significant quality fluctuations occurred across periods. The fishbone diagram identified human factors, suboptimal work methods, and poor machine conditions as the main causes of defects. Implications: The study recommends implementing operator training, regular machine maintenance, better enforcement of standard operating procedures, and enhancing the quality inspection system to reduce defects and improve production efficiency. Originality: This research provides valuable insights into quality control within garment manufacturing, offering a practical framework for improving product quality and operational efficiency. The use of the Seven Quality Control Tools in CV Damar Konveksi adds originality by providing actionable recommendations for similar manufacturing environments.
Web-Based Sales System Development for Adi Jaya Electrical Store with Midtrans Payment Gateway Integration Rina Noviana; Putra, Cesar Augusto Nino; Devi Indriani; Andryani, Dewi; Ramadha, Kartika Nor; Rifki Amalia; Winarti, Winarti
Jurnal Ilmiah Teknik Vol. 5 No. 1 (2026): Januari: Jurnal Ilmiah Teknik
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/juit.v5i1.2452

Abstract

MSMEs/UMKM remain a major driver of local economic activity, yet many still depend on offline, cash-based transactions that constrain operational efficiency. Digital sales platforms are therefore increasingly necessary to support faster, more reliable, and cashless purchasing processes. Objective: This study aims to develop and deploy a web-based sales system for Adi Jaya Electrical Store an MSME located at Ruko Taman Aster, Telaga Asih, Bekasi to improve transaction efficiency through online ordering and cashless payment. Methodology: The study adopts an applied information systems development approach using the Waterfall model. The system was implemented using PHP and a MySQL database, with requirements derived from field observation and interviews with the store owner. Functional verification was conducted using scenario-based black-box testing to assess whether key features operated according to the specified design. Findings: The website supports online product browsing and purchasing for electrical supplies (e.g., sockets, LED lamps, and cables) and integrates Midtrans as a payment gateway to facilitate non-cash transactions. Black-box testing indicates that the implemented functions and features operated as expected and were consistent with the design specifications. The system has been deployed and is accessible at https://adijaya.wuaze.com/. Implications: The platform provides a practical model for MSMEs to digitize sales operations, potentially improving transaction speed, reducing manual processing, and strengthening sales administration through structured order and payment management. Originality: This research delivers an operational MSME e-commerce implementation that combines end-to-end sales functionality with payment gateway integration and documented functional verification, extending prior work that often reports prototype development without demonstrable deployment readiness.
Rupiah Banknote Classification Using MobileNetV2 Based on Image Data Aditya Rizky Fajriansyah; Dina Agusten; Sri Rahayu Puspita Sari; Fauziah; Yuli Fitriyani; Mariza Wijayanti
Jurnal Ilmiah Teknik Vol. 5 No. 1 (2026): Januari: Jurnal Ilmiah Teknik
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/juit.v5i1.2461

Abstract

Visually impaired individuals often struggle to independently identify Indonesian rupiah denominations because banknotes share similar colors, patterns, and layouts, increasing the risk of errors during cash transactions. Purpose: This study aims to develop an offline, image-based banknote denomination recognition system on Android that can provide accessible assistance without relying on internet connectivity. Methodology: A quantitative experimental design was applied using a dataset of 4,340 banknote images covering 14 classes (seven denominations with front and back sides). The classifier was built with MobileNetV2 using transfer learning, supported by data augmentation and hyperparameter optimization, and evaluated using validation accuracy and F1-score. The trained model was converted to TensorFlow Lite and integrated into a Flutter-based Android application with text-to-speech output for user assistance. Findings: The proposed model achieved 96.20% validation accuracy with an average F1-score of 0.95, indicating strong performance for lightweight on-device inference. Implications: The system can be deployed in real time on smartphones to support inclusive and safer cash handling for visually impaired users, and it demonstrates the feasibility of offline deep learning for accessible financial technology. Originality: This study provides an end-to-end offline solution for Indonesian rupiah recognition that combines a lightweight deep learning model, on-device deployment, and text-to-speech feedback while distinguishing both sides of multiple denominations, offering practical value beyond approaches that depend on cloud inference or limited class coverage.  
Optimization of Transmission Systems in Rice Threshers and Straw Choppers: Enhancing Energy Efficiency and Productivity through V-Belt and Pulley Design Fauzan, Ahcmad; Abdillah, Fauzi; Muchlis, Abdul
Jurnal Ilmiah Teknik Vol. 5 No. 1 (2026): Januari: Jurnal Ilmiah Teknik
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/juit.v5i1.2493

Abstract

Rice threshers and straw choppers are essential to improve post-harvest efficiency, yet small-scale machines often experience capacity loss and wasted motor power due to non-optimal V-belt–pulley transmission design (e.g., incorrect pulley ratio, belt length, and speed matching), which reduces speed stability and increases mechanical losses. Objective: This study aims to analyze and optimize the V-belt–pulley transmission system of a combined rice thresher–straw chopper to improve power utilization and achieve target operating speeds for both processes. Methodology: A quantitative engineering approach was applied using analytical transmission design calculations and design verification through mechanical layout/simulation. Key parameters were derived from machine requirements and transmission relations, including processing capacity, force and torque, shaft speed, power demand, pulley diameters, transmission ratios, belt speed, belt length, center distance, and wrap angle. Findings: Using a 1 HP (750 W), 1450 rpm electric motor, the designed system achieved a calculated threshing capacity of 90 kg/h and straw chopping capacity of 84 kg/h under a 2-minute batch assumption. The required output power was 270.60 W (threshing) and 245.97 W (chopping), while the motor-side power demand was 308.27 W and 280.30 W, respectively, resulting in a total requirement of 588.57 W (≈78% motor power utilization). With an 80 mm driver pulley, the selected driven pulleys were 105.45 mm for the thresher (1100 rpm; ratio 1.32) and 116 mm for the chopper (1000 rpm; ratio 1.45). The belt speed was 6.06 m/s, with belt lengths of 2110 mm (A83) and 1480 mm (A58). Implications: The results provide practical parameter benchmarks for designing low-cost small-scale agricultural machines that better match motor power to required speeds and torque, reducing transmission mismatch. Originality: This study presents a parameter-complete V-belt–pulley design framework for a dual-function thresher–chopper, explicitly linking capacity targets to transmission sizing and motor power utilization.
Evaluation of Continuous Emission Monitoring System (CEMS) Performance and Integration with Data Acquisition and Interfacing Systems for Regulatory Compliance in Indonesia's Industrial Sector Herawan, Hery
Jurnal Ilmiah Teknik Vol. 5 No. 1 (2026): Januari: Jurnal Ilmiah Teknik
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/juit.v5i1.2527

Abstract

Air pollution from industrial emissions is a critical issue in Indonesia, affecting public health and the environment. Continuous Emission Monitoring Systems (CEMS) are crucial for real-time monitoring and ensuring compliance with environmental regulations. Objective: This study aims to evaluate the performance of the CEMS integrated with the Data Acquisition System (DAS) and Data Interfacing System (DIS), developed by BRIN and PT Eksperta Adi Manusa, to improve emissions monitoring and reporting. Methodology: A case study evaluation with a descriptive-qualitative and observational approach was used. Data was collected through simulations with MODBUS data, system documentation analysis, and performance testing of the dashboard module. The study focused on system architecture, data integration, and compliance with Indonesian environmental regulations. Findings: The integration of CEMS with DAS and DIS successfully enabled real-time monitoring and enhanced emission data accuracy. However, challenges such as data variability and the need for stronger regulatory supervision were identified. The research also found that predictive emission monitoring systems (PEMS) could improve system performance and reduce operational costs. Implications: This research contributes to improving air quality management in Indonesia. The findings highlight the importance of real-time monitoring and system integration for better decision-making and regulatory compliance. The study provides recommendations for policymakers and industry stakeholders to optimize CEMS and PEMS implementation for reducing industrial pollution. Originality: This research provides original insights into CEMS integration within Indonesia’s regulatory framework, a relatively unexplored area. It contributes to the field of environmental monitoring by offering practical recommendations to enhance emission monitoring systems and address challenges faced by industries in complying with regulations.
Chaos-Based Digital Image Encryption Using Arnold’s Cat Map Permutation and Duffing Map Diffusion: A Python Desktop Implementation Makmun, Makmun; Edi Sukirman; Erma Sova; Muhamad Wahyudi
Jurnal Ilmiah Teknik Vol. 5 No. 1 (2026): Januari: Jurnal Ilmiah Teknik
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/juit.v5i1.2529

Abstract

Digital images are widely used for identification, communication, and information exchange, yet their large size, high pixel correlation, and uneven intensity distribution make them vulnerable to theft, manipulation, and statistical inference, thereby requiring encryption mechanisms tailored to image characteristics.Purpose: This study proposes a chaos-based permutation–diffusion scheme that combines Arnold’s Cat Map for pixel permutation and the Duffing Map as a keystream generator for diffusion to strengthen digital image encryption and improve resistance to unauthorized analysis. Methodology: An experimental quantitative approach was conducted through the development of a Python-based desktop application. Ten test images (RGB and grayscale) with varying resolutions were encrypted and decrypted using predefined key settings. Security and performance were evaluated using histogram analysis, entropy, pixel correlation, key sensitivity, processing time, and key space. Findings: The encrypted images exhibit near-uniform histograms, entropy values approaching the ideal for 8-bit images (≈8), and pixel correlation values close to zero, indicating strong statistical concealment. The scheme also demonstrates high key sensitivity, where small key changes prevent meaningful decryption, and a large key space that supports brute-force resistance. Processing time increases with image size but remains practically feasible for desktop implementation. Implications: The proposed scheme can be applied to protect sensitive image data in local desktop environments and image exchange scenarios, reducing risks of statistical attacks and brute-force attempts while maintaining acceptable runtime for common image sizes. Originality: This study delivers an end-to-end integration of Arnold’s Cat Map and the Duffing Map within a permutation–diffusion structure implemented as a Python desktop application, supported by structured security and efficiency evaluation, thereby providing a practical and reproducible contribution to chaos-based image cryptography.

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