DOI: https://doi.org/10.62985/j.huit_ojs.vol25.no6

Published: December 28, 2025

Science - Technology

BIODIESEL SYNTHESIS FROM WASTE COOKING OIL USING CATALYST DERIVED FROM SEA CRAB SHELL AND NICKEL OXIDE

December 28, 2025
3-12
Thanh H. Trinh, Nga T. T. Tran, Khang T. To, Giang T. Do

GREEN TRANSITION: RESEARCH AND MANUFACTURE OF COMPOSITES FROM INDUSTRIAL GARMENT SCRAPS USING VIBRATION MOLDING PRINCIPLE

December 28, 2025
13-19
Nguyen Mai Thanh Thao; Tran Thi Anh Dao; Huynh Thi Minh Thu, Nguyen Thi Hoi

APPLICATION OF BUTTERFLY PEA FLOWERS ON ECO NATURAL DYEING PROCESS FOR KNITTED COTTON FABRIC

December 28, 2025
20-28
Pham Ho Mai Anh, Nguyen Thi Nhu Lan

SVPWM CONTROL OF THREE-PHASE MULTILEVEL DECENTRALIZED POWER CONVERTERS

December 28, 2025
29-41
Phu Cong Nguyen, Khac Sinh Le, Quoc Dung Phan

HYBRID MULTILEVEL INVERTER COMBINING 3-LEG INVERTERS AND H-BRIDGE MODULES FOR SOLAR PHOTOVOLTAIC APPLICATIONS

December 28, 2025
42-49
Nguyen Ngoc Minh Doan, Vo Chi Dai, Huynh Anh Nhat, Truong Quang Huy, Tran Thanh Quang, Bui Anh Trieu, Ta Quang Vinh, Tran Nguyen Dung

EFFICIENT CURRENT STRESS REDUCTION FOR AC-MMCS IN MACHINE DRIVE SYSTEMS

December 28, 2025
50-60
Duc Dung Le, Duc Anh Tuan Nguyen, Ngo Ly Dang, Thanh Toi Le

A CONTROL OF MOBILE ROBOT FOLLOWING PREDEFINED PATH USING FUZZY-PID ALGORITHM

December 28, 2025
61-71
Van Quoc Nguyen, Khanh Hoa Hoang Nguyen, Thien M. Tran

HARMONIC SOURCES IDENTIFICATION ON THE POWER GRID WITH SOLAR POWER PENETRATION USING MACHINE LEARNING BASED ON FEATURE EXTRACTION

December 28, 2025
72-85
Cuong Chi Dang, Viet Quoc Huynh, Khai Phuc Nguyen

ENHANCED MODEL PREDICTIVE CURRENT CONTROL FOR ELIMINATING ZERO-SEQUENCE VOLTAGE AND REDUCING CURRENT HARMONICS IN NINE-SWITCH INVERTER FED OPEN-END LOADS

December 28, 2025
86-96
Vu Huu Cong, Tran Quoc Hoan

PERFORMANCE EVALUATION OF SECURITY WHEN USING ARTIFICIAL NOISE FOR ONE-WAY FULL-DUPLEX RELAY NETWORKS

December 28, 2025
97-110
Ho Quoc Bao

AN IoT-BASED WATER QUALITY MONITORING SYSTEM FOR RECIRCULATING AQUACULTURE SYSTEMS

December 28, 2025
111-119
Nhut Tran-Minh

GENERAL DECAY RATES FOR TOTAL ENERGY OF A VISCOELASTIC WAVE EQUATION WITH STRONG DAMPING AND VARIABLE SOURCES

December 28, 2025
120-132
Nguyen Van Y, Le Huu Ky Son, Bui Duc Nam

Economics - Social sciences

BITCOIN PRICE FLUCTUATIONS AND GOOGLE NEWS WITH MACHINE LEARNING TECHNIQUES

December 28, 2025
133-141
Tam Phan Huy

FORECASTING VN-INDEX TIME SERIES BASED ON CEEMDAN DECOMPOSITION AND DEEP LEARNING

December 28, 2025
142-149
Nguyen Hoang An, Ha Binh Minh, Huynh Do Bao Chau, Phan Dinh Phung

THE IMPACTS OF MARKETING CAPABILITIES ON COMPETITIVE ADVANTAGE AND BUSINESS PERFORMANCE IN THE RETAIL SECTOR IN VIETNAM

December 28, 2025
150-160
Nguyen Thi Dy Anh