Volume 20, Number 3  (2025)

CONTENTS

Feature-Driven Blood Pressure Classification via PPG Signal Derivatives and Kernel-Based SVM Models
pp. 273-290
N. E. C. Muhammad Amin, S. L. Loh, A. Huong and T.H. Cheong

Control and Monitoring of a Digital Factory Based on OPC UA Framework
pp. 291-304
Y.S Chong, S.S Tiang, S. Pinandita and N.S Nik Anwar

Enhancement of UPS System and Battery Backup for Improved Power Reliability: A Case Study at Setia Perkasa Complex
pp. 305-312
Mohd Yunos Ali, Abdul Hakim Mohd Nor Rizan, Asyraaf Syawal, Sulaiman Sabikan, Ahmad Zubir Jamil, Asri Din and Zaihasraf Zakaria

Analysis of MPPT Controllers for Wind Energy Conversion System
pp. 313-328
S. A. Fatimi, N. H. Aziz, N. A. Said, M. Azri and W. Halim

Transient Stability Analysis of Grid-Connected Photovoltaic Systems: An IEEE 9-Bus Case Study
pp. 329-342
N.K.Y. Kabul Yamin and Aimie Nazmin Azmi

Emotion Detection Using Raspberry-Pi Machine Vision Systems with YOLOv5
pp. 343-357
W. M. Bukhari, K. Adnan, N. K. Bahrin and M. N. Mohd Nasir

Muscle Contraction Monitoring System for Preventing Sports Injuries in Field Hockey Using EMG and FSR Sensors
pp. 358-371
Fariz Ali, Shaktivel Thavanthiran, Mohamad Haniff Harun, Mohd Shahrieel Mohd Aras and Mohamad Hanif Abd Hamid

Wall Evenness Estimation using Vision Based Method for Quality Assessment of Finished Internal Building
pp. 372-393
Ahmad Zaki bin Hj Shukor, Kam Seng Kuai, Muhammad Herman bin Jamaluddin and Syed Hazni Abd Ghani