Teddy Surya Gunawan
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View article: Pavement Distress Analysis in Malaysia: A Novel DeepSeg-CrackNet Model for Crack Detection and Characterization Using Real-World Data
Pavement Distress Analysis in Malaysia: A Novel DeepSeg-CrackNet Model for Crack Detection and Characterization Using Real-World Data Open
Pavement distress analysis plays a big role in keeping roads in good shape, especially in busy spots like Selangor and Kuala Lumpur, where heavy traffic and tropical weather make them wear out fast. This work introduces DeepSeg-CrackNet, a…
View article: Editorial
Editorial Open
The IIUM Engineering Journal Vol. 26 No. 2 continues its mission of advancing scholarly excellence by featuring 22 high-quality papers that span a wide spectrum of engineering disciplines. This issue brings together cutting-edge research s…
View article: NEGATION PREFIXES: DOCUMENT ANALYSIS ON JAKARTA POST THROUGH MORPOLOGICAL ANALYSIS STUDY APPROACH
NEGATION PREFIXES: DOCUMENT ANALYSIS ON JAKARTA POST THROUGH MORPOLOGICAL ANALYSIS STUDY APPROACH Open
The purposes of this study are: 1) to get the types of negative prefixes in The Jakarta Post online newspaper, and 2) to find out which negative prefixes that often appear in The Jakarta Post online news column. The method used in this stu…
View article: Profitability, Liquidity, Solvability, and Stock Price: Evidence from Consumer Goods Industry
Profitability, Liquidity, Solvability, and Stock Price: Evidence from Consumer Goods Industry Open
Fundamentally, the information from financial statements can be utilized to predict the stock price. Indeed, the information is its ratio covering profitability, liquidity, and solvability as the favorite ones. This research examines the t…
View article: Battery management system employing passive control method
Battery management system employing passive control method Open
A battery management system (BMS) is essential for maintaining peak efficiency and longevity of rechargeable batteries. Conventional battery management system techniques often struggle to monitor, protect, and particularly have difficultie…
View article: Editorial
Editorial Open
The IIUM Engineering Journal, Vol. 25 No. 1, showcases a diverse array of pioneering research that pushes the boundaries of engineering and technology. This issue reflects a commitment to addressing critical challenges, exploring innovativ…
View article: Development of 3D-Printed Serpentine Fluidic Channel Integrated with Heating Element for Loop-Mediated Isothermal Amplification (LAMP) Process
Development of 3D-Printed Serpentine Fluidic Channel Integrated with Heating Element for Loop-Mediated Isothermal Amplification (LAMP) Process Open
DNA-based point-of-care (POC) diagnostics require rapid, accurate, and portable platforms for detection of infectious diseases. This can be achieved by incorporating a loop-mediated isothermal amplification (LAMP) process for DNA amplifica…
View article: Optimizing N-1 Contingency Rankings Using a Nature-Inspired Modified Sine Cosine Algorithm
Optimizing N-1 Contingency Rankings Using a Nature-Inspired Modified Sine Cosine Algorithm Open
Ensuring the reliability and sustainability of power systems is essential for maintaining efficient and uninterrupted operations, especially under varying load conditions and potential faults. This study tackles the critical task of contin…
View article: Model Predictive Control-Based Energy Management System with Load Curtailment for Standalone Microgrid
Model Predictive Control-Based Energy Management System with Load Curtailment for Standalone Microgrid Open
The standalone microgrid emerges as an economical solution for providing electricity to remote areas disconnected from the main grid. However, the intermittent nature of renewable energy sources (RES) and unpredictable load demands can dis…
View article: Deep Learning-Driven Beam-Steering for Dual-Polarized 28 GHz Antenna Arrays in 5G Wireless Networks
Deep Learning-Driven Beam-Steering for Dual-Polarized 28 GHz Antenna Arrays in 5G Wireless Networks Open
This study explores the development of a 28 GHz array antenna with beam-steering capability, consisting of four elements with dual linear polarization at ±45 degrees. We propose a method for synthesizing the array antenna’s radiation patte…
View article: Trade-Space Exploration With Data Preprocessing and Machine Learning for Satellite Anomalies Reliability Classification
Trade-Space Exploration With Data Preprocessing and Machine Learning for Satellite Anomalies Reliability Classification Open
Satellite reliability is critical to ensuring uninterrupted operations in aerospace systems, where anomalies can lead to mission failures and significant economic losses. Existing anomaly classification methods often lack scalability, inte…
View article: A Hybrid Speech Enhancement Technique Based on Discrete Wavelet Transform and Spectral Subtraction
A Hybrid Speech Enhancement Technique Based on Discrete Wavelet Transform and Spectral Subtraction Open
Speech quality and intelligibility are often severely degraded by background noise in communication systems such as hearing aid (HA) and speech recognition technologies, compromising their effective use. In low Signal-to-Noise Ratio (SNR) …
View article: Reinforcement Learning-Driven Hybrid Precopy/Postcopy VM Migration for Energy-Efficient Data Centers
Reinforcement Learning-Driven Hybrid Precopy/Postcopy VM Migration for Energy-Efficient Data Centers Open
This study proposes the use of a hybrid precopy/postcopy virtual machine (VM) migration framework to aid an autonomous agent when making migration decisions to continuously optimize the balance among migration time, downtime, and energy co…
View article: Editorial
Editorial Open
CHIEF EDITOR Ahmad Faris Ismail, IIUM, Malaysia TECHNICAL EDITOR Khairul Azami Sidek, IIUM, Malaysia EXECUTIVE EDITOR Teddy Surya Gunawan, IIUM, Malaysia ASSOCIATE EDITOR Nor Farahidah Za’bah, IIUM, Malaysia LANGUAGE EDITOR Lynn Mason, Mal…
View article: Exploring the research trends and development of augmented reality and virtual reality in ASEAN countries: a bibliometric study
Exploring the research trends and development of augmented reality and virtual reality in ASEAN countries: a bibliometric study Open
This review of Association of Southeast Asian Nations (ASEAN) augmented reality (AR) and virtual reality (VR) studies uses bibliometric analysis and VOSviewer mapping. This study looks at an extensive set of Scopus articles from reliable s…
View article: Analysis of Model Predictive Control-Based Energy Management System Performance to Enhance Energy Transmission
Analysis of Model Predictive Control-Based Energy Management System Performance to Enhance Energy Transmission Open
A supervisory control system using Model Predictive Control (MPC) has been designed to evaluate the efficiency of wind and solar power and is consistent with the cost function in the supervisory MPC optimization problem. A two-layer Econom…
View article: Lightweight Real-Time Recurrent Models for Speech Enhancement and Automatic Speech Recognition.
Lightweight Real-Time Recurrent Models for Speech Enhancement and Automatic Speech Recognition. Open
Traditional recurrent neural networks (RNNs) encounter difficulty in capturing long-term temporal dependencies. However, lightweight recurrent models for speech enhancement are important to improve noisy speech, while being computationally…
View article: Towards Efficient Recurrent Architectures: A Deep LSTM Neural Network Applied to Speech Enhancement and Recognition
Towards Efficient Recurrent Architectures: A Deep LSTM Neural Network Applied to Speech Enhancement and Recognition Open
Long short-term memory (LSTM) has proven effective in modeling sequential data. However, it may encounter challenges in accurately capturing long-term temporal dependencies. LSTM plays a central role in speech enhancement by effectively mo…
View article: Recent Advances and Future Challenges of Solar Power Generation Forecasting
Recent Advances and Future Challenges of Solar Power Generation Forecasting Open
The unprecedented growth of Renewable Energy Sources (RES) positions solar power as a leading contender in the global energy mix. Solar energy offers a sustainable alternative to fossil fuels, mitigating carbon emissions and promoting envi…
View article: Advancements and Challenges in Scalable Modular Antenna Arrays for 5G Massive MIMO Networks
Advancements and Challenges in Scalable Modular Antenna Arrays for 5G Massive MIMO Networks Open
This paper presents a comprehensive review of the advancements and challenges in scalable modular antenna arrays for 5G Massive MIMO (Multiple Input Multiple Output) networks, a pivotal technology for the next-generation wireless communica…
View article: Enhanced Small Drone Detection Using Optimized YOLOv8 With Attention Mechanisms
Enhanced Small Drone Detection Using Optimized YOLOv8 With Attention Mechanisms Open
The increasing misuse of drones poses significant safety and security risks, including illegal transportation of prohibited goods, interference with manned aircraft, and threats to public safety. This has raised concerns about the increase…
View article: Design and Performance Analysis of a Fast 4-Way Set Associative Cache Controller using Tree Pseudo Least Recently Used Algorithm
Design and Performance Analysis of a Fast 4-Way Set Associative Cache Controller using Tree Pseudo Least Recently Used Algorithm Open
In the realm of modern computing, cache memory serves as an essential intermediary, mitigating the speed disparity between rapid processors and slower main memory. Central to this study is the development of an innovative cache controller …
View article: Clinical Performance of Reverse Transcription Loop Mediated Isothermal Amplification COVID-19 Assay on Gold- nanoparticle-modified Screen-printed Carbon Electrode Using Differential Pulse Voltammetry
Clinical Performance of Reverse Transcription Loop Mediated Isothermal Amplification COVID-19 Assay on Gold- nanoparticle-modified Screen-printed Carbon Electrode Using Differential Pulse Voltammetry Open
The World Health Organization (WHO) has recommended real-time reverse transcription polymerase chain reaction (RT-PCR) as the gold standard for coronavirus disease detection.In this study, we aim to validate the clinical performance of rev…
View article: Machine learning-based pavement crack detection, classification, and characterization: a review
Machine learning-based pavement crack detection, classification, and characterization: a review Open
The detection, classification, and characterization of pavement cracks are critical for maintaining safe road conditions. However, traditional manual inspection methods are slow, costly, and pose risks to inspectors. To address these issue…
View article: ECG-Based Driving Fatigue Detection Using Heart Rate Variability Analysis with Mutual Information
ECG-Based Driving Fatigue Detection Using Heart Rate Variability Analysis with Mutual Information Open
One of the WHO’s strategies to reduce road traffic injuries and fatalities is to enhance vehicle safety. Driving fatigue detection can be used to increase vehicle safety. Our previous study developed an ECG-based driving fatigue detection …