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INDONESIA
Indonesian Journal of Engineering and Science (IJES)
Published by Asosiasi Peneliti Sriwijaya (APS)
ISSN : -     EISSN : 2774373X     DOI : 10.51630
Core Subject : Science, Engineering,
Energy Engineering Materials Science & Nanotechnology Mechanical Engineering
Indonesian Journal of Engineering and Science (IJES : ISSN 2274-373X) is a peer-reviewed journal that aims at the publication and dissemination of original research articles on the latest developments in all fields of engineering science and technology. The journal publishes original papers in English, which contribute to the understanding of engineering science and improvement of the engineering technology and education. Papers may be theoretical, experimental and paper review. The contribution should be unpublished before and not under consideration for publication elsewhere.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 80 Documents
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SELECTION METHOD OF GRINDING MACHINE AND AIR CLASSIFIER IN GRINDING-CLASSIFICATION PROCESS BY USING FSFDMW-TOPSIS Sin, Tong ho; Kim, Tong il; Kim, Chang Il
Indonesian Journal of Engineering and Science Vol. 6 No. 3 (2025): Table of Contents: In progress
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51630/ijes.v6i3.192

Abstract

Type selection of grinding machines and air classifiers is a critical issue in dry grinding–classification process design, particularly under uncertain environments where statistical data are unavailable and expert judgments dominate decision making. This study proposes a fuzzy group decision-making framework integrating fuzzy equivalence clustering, fuzzy score function with decision makers’ weights (FSFDMW), and TOPSIS to enhance selection reliability. First, main criteria are identified using fuzzy equivalence clustering. Then, an n-dimensional fuzzy environment is constructed to determine the weights of decision makers and criteria. Finally, a TOPSIS procedure based on fuzzy score functions is applied to rank alternatives. Application to the dental gypsum grinding–classification process shows that the impact mill achieves the highest priority value (0.742), while the MS type air classifier obtains the highest priority value (0.96417). The proposed framework improves decision accuracy while maintaining computational simplicity.
EXPERIMENTAL ANFIS-FUZZY CONTROLLER FOR BALL AND BEAM SYSTEM Le, Tuan-Kiet; Nguyen, Le-Anh-Tuan; Le, Ngoc-Long; Nguyen, Van-Dong-Hai; Le, Thi-Hong-Lam; Le, Thi-Thanh-Hoang; Nguyen, Van-Hiep; Nguyen, Thanh-Binh; Phu, Thi-Ngoc-Hieu; Nguyen, Thi-Ngoc-Thao; Nguyen, Ngoc-Hung; Nguyen, Binh-Hau; Nguyen, Hai-Thanh
Indonesian Journal of Engineering and Science Vol. 7 No. 1 (2026): Table of Contents
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51630/ijes.v7i1.206

Abstract

This paper presents the development of an Adaptive Neuro-Fuzzy Inference System (ANFIS) controller for a mid-pivot Ball and Beam system. The nonlinear dynamic model is derived using Euler–Lagrange formulation, followed by DC motor modeling to construct the full state-space system. An ANFIS controller is trained from PID-generated data to enhance adaptability under nonlinear conditions. Simulation and hardware experiments validate the controller’s performance. Results show that the proposed controller can stabilize the system with reasonable accuracy, although overshoot and oscillation remain. Directions for improving intelligent control and hardware design are discussed.
DESIGN OF AN INTELLIGENT LINE-FOLLOWING AND MAZE-SOLVING ROBOT BASED ON FUZZY LOGIC AND ARDUINO Pham, Truong-Phuong-Nam; Nguyen, Minh-Khoa; Lieu, Vinh-Hung; Nguyen, Thi-Ngoc-Thao; Nguyen, Thanh-Binh; Nguyen, Van-Hiep; Le, Thi-Hong-Lam; Tran, Trong-Bang; Do, Ngoc-Huy; Nguyen, Binh-Hau
Indonesian Journal of Engineering and Science Vol. 7 No. 1 (2026): Table of Contents
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51630/ijes.v7i1.213

Abstract

This paper presents the design and implementation of an intelligent line-following and maze-solving robot based on fuzzy logic and an Arduino platform. The proposed system integrates infrared sensors for line detection, a fuzzy-PID control strategy for motion regulation, and a decision-making algorithm for maze navigation. The control approach was first validated through MATLAB/Simulink simulation and subsequently implemented on a physical robotic prototype. Experimental results conducted on a maze-structured track demonstrate stable line-tracking performance, smooth curve negotiation, accurate intersection handling, and precise stopping at the finish point. The results confirm that the proposed fuzzy-based control strategy enhances tracking accuracy, reduces oscillations, and improves overall robustness, proving its effectiveness and practicality for intelligent mobile robotic applications.
A S7-1200 PLC-BASED MOTION SEAT SYSTEM FOR 3D CINEMA APPLICATIONS Ho, Thanh-Phuong; Dieu, Nghia; Tran, Quang-Huy; Nguyen, Thi-Ngoc-Thao; Le, Thi-Hong-Lam; Nguyen, Phong-Luu; Nguyen, Hai-Thanh; Pham, Gia-Loc; Nguyen, Ha-Thien-Phuc; Tran, Van-Toan; Nguyen, Truong-Viet; Pham, Ngoc-Bao; Nguyen, Van-Bac; Hoang, Minh-Giap
Indonesian Journal of Engineering and Science Vol. 7 No. 1 (2026): Table of Contents
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51630/ijes.v7i1.214

Abstract

Immersive cinematic experiences are becoming increasingly important in enhancing audience satisfaction. By integrating various pneumatic and electrical actuators, a 3D cinema seat system is developed to simulate real-time motion effects such as vibration, lifting, wind blowing, and mist spraying. These effects are synchronized with movie content to improve viewer engagement. In this paper, we present a prototype that utilizes a Siemens S7-1200 PLC as the main controller and a Weinview HMI for interaction. The system's effects are triggered through a scenario-based timeline controlled via ladder logic. Through experimental trials, the model demonstrates high responsiveness and reliability, meeting real-time synchronization requirements. A supervision interface is also designed to allow users to manage effect sequences during playback.
DEVELOPMENT AND IMPLEMENTATION OF THE MOTHER AND CHILD SHUTTLE SYSTEM FOR WAREHOUSE MANAGEMENT AND OPERATION Huynh, Anh-Tuan; Le, Quoc-Tuan; Lam, Xuan-Minh-Nhat; Nguyen, Thi-Ngoc-Thao; Le, Thi-Hong-Lam; Truong, Nhat-Bang; Vu, Bao-Huy; Nguyen, Kieu-Vinh; Tran, Huu-Nhan; Nguyen, Phong-Luu; Nguyen, Binh-Hau; Nguyen, Thanh-Binh; Nguyen, Van-Hiep; Nguyen, Ngoc-Hung
Indonesian Journal of Engineering and Science Vol. 7 No. 1 (2026): Table of Contents
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51630/ijes.v7i1.215

Abstract

The increasing complexity of warehouse operations and the rapid growth of e-commerce demand advanced Automated Storage and Retrieval Systems (AS/RS) that are efficient, flexible, and reliable. This study presents the design and implementation of a Mother and Child Shuttle System integrated with a hybrid communication architecture and an intelligent control interface. The system is developed based on kinematic and dynamic analysis to optimize shuttle motion using an acceleration–constant velocity–deceleration profile, ensuring stable operation and accurate positioning. A block-based control architecture incorporating PLC, sensors, motor drivers, and wireless communication enables coordinated system operation. The hardware prototype, including the Mother Shuttle, Child Shuttle, and storage rack, is successfully constructed and validated under real conditions, demonstrating stable performance and effective component integration. In addition, a user-friendly interface is developed to support real-time monitoring, control, and alarm management, enhancing system reliability and operational safety. The proposed system provides a practical solution for improving efficiency and scalability in modern warehouse automation.
INTELLIGENT FIRE PROTECTION SYSTEM FOR MINI APARTMENT BUILDINGS WITH REMOTE MONITORING AND CONTROL Nguyen, Le-Minh-Quan; Dang, Tran-Gia-Bao; Vo, Binh-An; Hong, Vi-Cuong; Truong, Tuan-Minh; Le, Dinh-Duc-Vinh; Dang, Phuc-Khanh; Nguyen, Quoc-Bao; Le, Xuan-Cuong; Nguyen, Binh-Hau; Nguyen, Thi-Ngoc-Thao; Nguyen, Van-Hai; Nguyen, Huynh-The-Hung; Nguyen, Anh-Tuan; Le, Hoang-Nhat-Huy; Nguyen, Van-Hiep
Indonesian Journal of Engineering and Science Vol. 7 No. 1 (2026): Table of Contents
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51630/ijes.v7i1.216

Abstract

This study presents an integrated fire protection system for space-constrained residential buildings using a Mitsubishi PLC, variable frequency drive, cascade PID control, HMI/SCADA, and an ESP32-based IoT gateway. The system is designed to regulate pipeline pressure and water level during firefighting while enabling local and remote supervision. Experimental validation on an IT-5200 didactic platform shows that the uncontrolled system requires about 42 s to reach the reference level and exhibits significant overshoot. After implementing the cascade strategy with an outer PID level loop and an inner PI pressure loop, the settling time decreases to about 16 s, with negligible overshoot, minimal steady-state error, and improved disturbance rejection. The developed HMI/SCADA supports role-based access, alarm handling, and parameter setting, while the IoT layer enables web monitoring and SMS alerts. The proposed architecture offers a practical and scalable solution for reliable fire protection in cost- and space-constrained building environments.
EVALUATION OF THE MILLING PROCESS USING AL₂O₃ AND Fe₃O₄ NANOFLUIDS IN AN MQL SYSTEM ON MACHINING POWER AND SURFACE ROUGHNESS Muhammad Yanis; Yonichart Artha Wiradjaya; Muhammad Zahir
Indonesian Journal of Engineering and Science Vol. 7 No. 2 (2026): Table of Contents: In progress
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51630/ijes.v7i2.221

Abstract

This study investigated the effect of nanofluid-based Minimum Quantity Lubrication (MQL) cooling strategy and machining parameters on machining power and surface roughness in milling process. Two nanofluids, Al₂O₃ and Fe₃O₄, were evaluated under identical cutting conditions. The results showed that the machining power using Al₂O₃ nanofluid was slightly lower than Fe₃O₄ (1%). However, it produced higher surface roughness (14.27%) than Fe₃O₄. Furthermore, machining parameters significantly affected the performance. Increasing cutting speed (vc = 3.23%), feed rate (fz = 0.93%), and depth of cut (ax = 0.33%) led to higher machining power due to increased material removal rate and cutting force. Surface roughness was mainly influenced by fz = 8.49% and ax = 6.16%, with feed rate identified as the dominant factor. Taguchi analysis and ANOVA revealed that depth of cut contributed most to machining power, while feed rate dominated surface roughness. The optimal machining power was achieved at vc = 22.5 m/min, fz = 0.028 mm/tooth, and ax = 0.5 mm, with values of 1.336 kW (Al₂O₃) and 1.341 kW (Fe₃O₄). Meanwhile, the best surface roughness was obtained at vc = 40.8 m/min, fz = 0.028 mm/tooth, and ax = 0.5 mm, with values of 0.596 µm (Al₂O₃) and 0.494 µm (Fe₃O₄).
DESIGN OF A PID CONTROLLER FOR SPEED OF A CONVEYOR Truong-Nguyen Phan; Huu-Tai Nguyen; Quy-Kien Tran; Trung-Nhan Nguyen; Minh-Thanh Nguyen; Hoang-Danh Vu; Thanh-Toan Nguyen; Nguyen-Quoc-Nam Dang; Duc-Quang-Thai Nguyen; Ba-Anh Le; Van Dong Hai Nguyen; Thi-Ngoc-Thao Nguyen; Hoang-Lam Le
Indonesian Journal of Engineering and Science Vol. 7 No. 2 (2026): Table of Contents: In progress
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51630/ijes.v7i2.222

Abstract

This study presents a compact and energy-aware conveyor speed control system designed to maintain stable and precise motor operation. A PID controller is implemented on an Arduino Mega, using encoder feedback and a discrete Kalman filter to reduce measurement noise and improve response smoothness. The system incorporates an H-bridge driver for motor actuation and an LCD module for on-site monitoring, together with a Python-based interface that provides real-time visualization of set speed, actual speed, and transient response via UART communication. Experimental results show that the controller achieves fast response, minimal steady-state error, and low overshoot across various reference speeds. Performance at a fixed 25-rpm setpoint under both no-load and light-load conditions further demonstrates good disturbance tolerance. Overall, the system offers a reproducible, low-cost, and energy-efficient solution suitable for small conveyor applications in educational and prototyping environments.
PICO-SCALE OPEN FLUME PROPELLER WATER TURBINE PERFORMANCE UNDER VARIATION IN AIRFOIL THICKNESS-TO-CHORD RATIO Christian Romulus Tigor; Warjito Warjito; Budiarso Budiarso; Aji Putro Prakoso
Indonesian Journal of Engineering and Science Vol. 7 No. 2 (2026): Table of Contents: In progress
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51630/ijes.v7i2.223

Abstract

Air pollution from coal-fired power plants contributes approximately 44% of Indonesia’s CO₂ emissions. Transitioning to renewable sources, such as hydroelectric power, offers a viable solution, particularly with open-flume propeller turbines in remote areas. This study investigates the effect of T/C ratios on pico-scale open-flume propeller turbines using NACA 44XX airfoils. Three configurations (0.11, 0.12, and 0.13) with varying rotational speeds were evaluated using computational fluid dynamics (CFD) simulations with mesh motion in ANSYS Fluent, along with analytical methods for torque, power output, and efficiency. T/C 0.13 consistently delivered the best performance, reaching a maximum efficiency of 15.39% at 850 rpm. In contrast, the analytical method found that the maximum efficiency of that configuration is approximately 26% at 1100 RPM. The deviation between the analytical and numerical results arises from the analytical method's limitations in capturing the viscous shear flow around the turbine blades and the gap-clearance loss. The pressure distribution analysis revealed that T/C 0.13 maintained the most balanced high–low pressure zones, minimizing early flow separation. T/C 0.12 exhibited instability at high RPM due to less stable pressure differentials, whereas T/C 0.11 maintained stability with sharper pressure gradients and a higher risk of separation despite lower output. These findings emphasize the role of optimal blade geometry in improving efficiency, pressure–velocity stability, and flow control in small-scale water turbines. However, the lack of experimental testing in this study limits the validity of its results; further experimentation is needed.
DESIGN AND CONSTRUCTION OF A MOBILE RACKING SYSTEM Dang-Khoa Dinh; Hoang-Duc Tran; Gia-Huy Than; Tan-Thuan Nguyen; Son-Tai Nguyen; Trong-Bang Tran; Binh-Hau Nguyen; Hoang-Chinh Tran; Hai-Thanh Nguyen; Thi-Hong-Lam Le; Thi-Ngoc-Thao Nguyen; Tan-Khang Nguyen; Van-Khanh Vu
Indonesian Journal of Engineering and Science Vol. 7 No. 2 (2026): Table of Contents: In progress
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51630/ijes.v7i2.225

Abstract

In the era of modern manufacturing, optimizing warehouse space is essential to enhance storage efficiency. This research implements a Mobile Racking System (MRS), a sophisticated solution capable of increasing storage density by up to 80% through dynamic rack maneuvering. The system architecture comprises a fixed guide rail network for structural stability and smooth locomotion, and multi-tier mobile units integrated with obstacle-detection sensors. A critical feature of this design is the intelligent safety barrier system, which monitors personnel and forklift access to ensure rigorous operational safety during aisle-opening sequences. The entire process is controlled and supervised via a Human-Machine Interface (HMI), enabling real-time data processing and fault diagnostics. Experimental results validate the system's high precision and reliability, demonstrating a positioning accuracy of ±0.05 mm and an emergency stop response time of less than 0.1 seconds. This integrated approach not only maximizes storage capacity but also significantly reduces operational overhead, proving particularly effective for specialized environments such as industrial cold storage.

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