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Yoong Choon Chang

18 papers indexed

openalexSensors2025-12-05

Eccentricity Fault Diagnosis System in Three-Phase Permanent Magnet Synchronous Motor (PMSM) Based on the Deep Learning Approach

Kenny Sau Kang Chu, Kuew Wai Chew, Yoong Choon Chang, Stella Morris, Yap Hoon, Chen Chen

Motor eccentricity faults, stemming from the misalignment of the rotor's center and pivot point, lead to significant vibrations and noise, compromising motor reliability. This study emphasizes the need for an efficient diagnostic system to enable early detection and correction of…

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openalexACM Transactions on Multimedia Computing Communications and Applications2025-09-04

Efficient Client Selection for Asynchronous Federated Learning for Adaptive Bitrate Streaming

Yi Jie Wong, Mau‐Luen Tham, Ban-Hoe Kwan, Yoong Choon Chang, Anissa Mokraoui, Feng Ke

Recently, Deep Reinforcement Learning (DRL) has been applied to enhance the Quality of Experience (QoE) of Adaptive Bitrate Streaming (ABR) by adjusting the video quality level in real time based on instantaneous network conditions. To build a state-of-the-art DRL-based ABR (DRLA…

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openalex2025-04-18Cited by 1

WRN-YOLO: An Improved YOLO for Drone Detection using Wide ResNet

Yi Jie Wong, Wingates Voon, Mau‐Luen Tham, Ban-Hoe Kwan, Yoong Choon Chang, Yan Chai Hum

The widespread adoption of Unmanned Aerial Vehicles (UAVs) or drones has introduced significant security and privacy challenges, particularly concerning unauthorized drone activities near sensitive areas. To address these concerns, we propose a novel drone detection model, WRN-YO…

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openalexIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing2025-01-01Cited by 5

A Multisource Image Matching Method Based on Contrastive Network With Similarity Weighting

Zhen Han, Ning Lv, Tao Su, Yoong Choon Chang, Chen Chen

Multisource remote sensing (MRS) image matching can provide more accurate data support for a variety of remote sensing tasks, but the disparities in imaging characteristics among different sensors bring significant challenges for effective image matching. In this article, we prop…

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openalexRemote Sensing2024-10-05Cited by 37

A Low-Cost and Lightweight Real-Time Object-Detection Method Based on UAV Remote Sensing in Transportation Systems

Ziye Liu, Chen Chen, Ziqin Huang, Yoong Choon Chang, Lei Liu, Qingqi Pei

Accurate detection of transportation objects is pivotal for enhancing driving safety and operational efficiency. In the rapidly evolving domain of transportation systems, the utilization of unmanned aerial vehicles (UAVs) for low-altitude detection, leveraging remotely-sensed ima…

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openalexWorld Electric Vehicle Journal2024-02-16Cited by 9

An Open-Circuit Fault Diagnosis System Based on Neural Networks in the Inverter of Three-Phase Permanent Magnet Synchronous Motor (PMSM)

Kenny Sau Kang Chu, Kuew Wai Chew, Yoong Choon Chang, Stella Morris

Three-phase motors find extensive applications in various industries. Open-circuit faults are a common occurrence in inverters, and the open-circuit fault diagnosis system plays a crucial role in identifying and addressing these faults to enhance the safety of motor operations. N…

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openalexIEEE Transactions on Intelligent Transportation Systems2023-10-27Cited by 39

Deep Deterministic Policy Gradient-Based Algorithm for Computation Offloading in IoV

Haofei Li, Chen Chen, Hangguan Shan, Pu Li, Yoong Choon Chang, Houbing Song

The continuous evolution of cellular networks has resulted in the rapid increase in both mobile applications and devices in the Internet of Vehicles. The introduction of the multi-access edge computing method makes it possible for vehicles in remote areas to offload their computa…

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openalexETRI Journal2023-08-01Cited by 4

Proportionally fair load balancing with statistical quality of service provisioning for aerial base stations

Shengqi Jiang, Ying Loong Lee, Mau‐Luen Tham, Donghong Qin, Yoong Choon Chang, Allyson Gek Hong Sim

Abstract Aerial base stations (ABSs) seem promising to enhance the coverage and capacity of fifth‐generation and upcoming networks. With the flexible mobility of ABSs, they can be positioned in air to maximize the number of users served with a guaranteed quality of service (QoS).…

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openalexSensors2023-07-17Cited by 7

Mobility-Aware Resource Allocation in IoRT Network for Post-Disaster Communications with Parameterized Reinforcement Learning

Homayun Kabir, Mau‐Luen Tham, Yoong Choon Chang, Chee‐Onn Chow, Yasunori Owada

Natural disasters, including earthquakes, floods, landslides, tsunamis, wildfires, and hurricanes, have become more common in recent years due to rapid climate change. For Post-Disaster Management (PDM), authorities deploy various types of user equipment (UE) for the search and r…

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openalexDigital Communications and Networks2023-05-29Cited by 96

Internet of robotic things for mobile robots: Concepts, technologies, challenges, applications, and future directions

Homayun Kabir, Mau‐Luen Tham, Yoong Choon Chang

Nowadays, Multi Robotic System (MRS) consisting of different robot shapes, sizes and capabilities has received significant attention from researchers and are being deployed in a variety of real-world applications. From sensors and actuators improved by communication technologies…

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openalexSensors2023-04-27Cited by 18

Fault-Diagnosis and Fault-Recovery System of Hall Sensors in Brushless DC Motor Based on Neural Networks

Kenny Sau Kang Chu, Kuew Wai Chew, Yoong Choon Chang

This paper proposes a neural-network-based framework using Convolutional Neural Network and Long-Short Term Memory (CNN-LSTM) for detecting faults and recovering signals from Hall sensors in brushless DC motors. Hall sensors are critical components in determining the position and…

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openalexJournal of Communications Software and Systems2023-01-01Cited by 6

Twin Delayed DDPG based Dynamic Power Allocation for Mobility in IoRT

Homayun Kabir, Mau‐Luen Tham, Yoong Choon Chang

The internet of robotic things (IoRT) is a modern as well as fast-evolving technology employed in abundant socio-economical aspects which connect user equipment (UE) for communication and data transfer among each other. For ensuring the quality of service (QoS) in IoRT applicatio…

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openalexIEEE Transactions on Wireless Communications2021-04-21Cited by 38

Performance Analysis of NOMA in Vehicular Communications Over i.n.i.d Nakagami-<i>m</i> Fading Channels

Dhaval K. Patel, Hetal Shah, Zhiguo Ding, Yong Liang Guan, Sumei Sun, Yoong Choon Chang, et al.

This paper investigates the performance of non-orthogonal multiple access (NOMA) in vehicular networks where a base station (BS) communicates with the vehicles moving away from the BS with single-input multiple-output. To combine the signals received at the antennas, diversity co…

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openalexIEEE Access2021-01-01Cited by 88

Double Deep Q-Network-Based Energy-Efficient Resource Allocation in Cloud Radio Access Network

Amjad Iqbal, Mau‐Luen Tham, Yoong Choon Chang

Cloud radio access network (CRAN) has been shown as an effective means to boost network performance. Such gain stems from the intelligent management of remote radio heads (RRHs) in terms of on/off operation mode and power consumption. Most conventional resource allocation (RA) me…

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openalexIET Communications2020-04-06Cited by 11

On the energy detection performance of multi‐antenna correlated receiver for vehicular communication using MGF approach

Sagar Kavaiya, Dhaval K. Patel, Yong Liang Guan, Sumei Sun, Yoong Choon Chang, Joanne Lim

In this work, energy detection‐based spectrum sensing for multiple antenna receiver under the effect of mobility is investigated by considering L number of correlated antenna branches. The authors consider the uniform, exponential and arbitrarily correlation among the antenna bra…

Also available via: Institution of Engineering and Technology

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openalexCogent Engineering2016-05-20Cited by 26

Cognitive radio network in vehicular ad hoc network (VANET): A survey

Joanne Lim, Yoong Choon Chang, Mohamad Yusoff Alias, Jonathan Loo

Cognitive radio network and vehicular ad hoc network (VANET) are recent emerging concepts in wireless networking. Cognitive radio network obtains knowledge of its operational geographical environment to manage sharing of spectrum between primary and secondary users, while VANET s…

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openalexZenodo (CERN European Organization for Nuclear Research)2013-02-20Cited by 7

An Fpga Implementation Of Intelligent Visual Based Fall Detection

Peng Shen Ong, Yoong Choon Chang, Chee‐Pun Ooi, Ettikan Kandasamy Karuppiah, Shahirina Mohd Tahir

Falling has been one of the major concerns and threats to the independence of the elderly in their daily lives. With the worldwide significant growth of the aging population, it is essential to have a promising solution of fall detection which is able to operate at high accuracy…

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