Vol. 21 No. 1 (2026): January-June

Research articles

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  Sliding Window-Based Deep Learning Approach for Solar Power Forecasting in Malaysia Utility-Scale PV Systems

  Noor Hasliza Abdul Rahman, Shahril Irwan Sulaiman, Muhammad Asraf Hairuddin, Mohamad Zhafran Hussin, Ezril Hisham Mat Saat

  1-12

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  Optimal Sizing of Stand-Alone Photovoltaic Systems using Meerkat Optimization Algorithm: A Cost-Based Performance Assessment

  Mazwin Mazlan, Shahril Irwan Sulaiman, Azralmukmin Azmi, Hedzlin Zainuddin, Ismail Musirin

  13-22

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  Optimized Power Quality in Grid Systems Using PV-Based UPFC and Advanced ANN Control Approach

  Gadupudi Lakshminarayana, Sreedevi Saravanakumar, Malapati Venkateswarlu, Thankaraj Retna Bai Premila

  23-35

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  Control of Bi-directional Converter for charge-discharge battery using PI With Modified PSO

  Rifqi Firmansyah, Habib Brilian Wicaksono, Gul Ahmad Ludin, Naufal Maulana Fahmi, Ali Nur Fathoni, Rudi Uswarman

  36-47

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  Techno-Economic Feasibility of Pico-Hydropower in Southeast Asia: An Analysis of LCOE and Carbon Emission Reduction

  Izzatie Akmal Zulkarnain, Mohd Farriz Basar, Kamaruzzaman Sopian

  48-60

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  Design and Performance Evaluation of a LoRa-Based Data Transmission System for Micro Smart Grid Devices in Water Quality Monitoring Stations

  Jarun Khonrang, Pairoj Duangnakorn, Seksan Winyangkul, Thanapon Saengsuwan, Suppat Rungraungsilp, Kamol Boonlom

  61-70

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  Life Cycle Assessment of Biodiesel Production from Dipterocarpus alatus Oleoresin Using Potassium-Loaded Zeolite Y Catalyst Derived from Rice Husk Silica

  Duangkamon Khonkham, Aritart Sanai, Thawatchai Laosongkram, Thanai Surasilp, Surachai Rattanasuk, Saowanee Manadee, Kanin Bunnakit, Preecha Sriprapakhan, Pisit Maneechot, Gontapon Promnigon, Ritchard Artkla

  71-80

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  Development of the Hybrid MPPT Control Algorithm for Grid-Connected PV Systems Using Runge-Kutta Optimized Fractional-Order Synergetic Control

  Truong Dang Khoi , Le Van Dai

  81-93

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  Quantifying Land Use from Commercial Onshore Wind Energy Farms in Thailand Utilizing Geo-Informatics Technology

  Watcharapong Tantawat , Saowanit Lekhavat

  94-106

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  Roles of Activation Functions on the Polarization Modeling for the 1.2 kWp Proton Exchange Membrane Fuel Cells: A Focus on ReLU, Sigmoid, and Tanh

  Chanin Khamwandee , Arnusorn Saengprajak

  107-118

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  Accelerated Charcoal Briquette Production: Innovative Drying Technology for Performance Assessment and Energy Consumption

  Chanon Bunmephiphit, Kittikorn Sasujit, Churat Thararux , Nigran Homdoung

  119-129

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  Design and Fabrication of Hybrid Operational Modes Magnetorheological Mount

  Shuangyi Liang, Chen Chen, Yibu Zhao , Kwanchai Kraitong

  130-140

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  Energy, Exergy and Cost of Exergy Destruction for Coal-Fired Boiler in the Beverage Industry

  Kritsana Asuwan, Withaya Puangsombut, Ratthasak Prommas

  141-151

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  Performance Evaluation of Monthly Electricity Demand Forecasting in Thailand Using Machine Learning and Statistical Models

  Teerapong Chongwat, Artitayaporn Rojarath

  152-165

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  Procurement Cost Volatility and Supplier Dynamics in Southern Leyte Electric Cooperative (SOLECO), Philippines: A Multi-Year Statistical Analysis of Electricity Sourcing in a Liberalized Market

  Khorina O. Aguilar, Jonelle H. Tablada

  166-177

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