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All Journal International Journal of Electrical and Computer Engineering Canrea Journal: Food Technology, Nutritions, and Culinary Journal
Wasuri, Boonthong
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Agriculture, Biological Sciences & Forestry Computer Science & IT Electrical & Electronics Engineering

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Five-level three phase cascaded H-bridge inverter using digital signal processor control for renewable energy applications Hiransing, Bancha; Wasuri, Boonthong; Kuankid, Sanya; Muangpool, Thanin
International Journal of Electrical and Computer Engineering (IJECE) Vol 15, No 2: April 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v15i2.pp1348-1360

Abstract

This article presents a five-level three-phase cascaded H-bridge inverter for renewable energy applications, aimed at reducing total harmonic distortion (THD) and enhancing efficiency. The inverter uses a digital signal processing board, TMS320F28335, to generate pulse-width modulation signals through MATLAB/Simulink, ensuring precise control. The experimental setup includes an 84 VDC input voltage and a 300-watt load. Simulation and experimental results closely align, validating the accuracy of the simulation model. The output voltage shows a stepped pattern characteristic of multilevel inverters, significantly reducing harmonic distortion. THD analysis reveals a substantial reduction at higher modulation indices, with particularly low THD at a modulation index of 0.95. Consistent THD levels across modulation indices of 0.5, 0.8, and 0.95 demonstrate robust performance under varying conditions. Comparative analysis indicates that the proposed inverter achieves lower THD levels than traditional inverters, enhancing power quality and system efficiency. The five-level three-phase cascaded H-bridge inverter offers a promising solution for renewable energy applications by significantly reducing THD and improving power quality. Its robust performance and scalability potential contribute valuable advancements to renewable energy systems.
Development and efficacy assessment of an intense pulsed light sterilization device for pickled fruits and vegetables Wasuri, Boonthong; Chainok, Piyamas; Na Thaisong, Phinthida; Chainok, Bopit
jurnal1 VOLUME 8 ISSUE 1, JUNE 2025
Publisher : Hasanuddin University Food Science and Technology Study Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/canrea.v8i1.1721

Abstract

This study presents the development and efficacy assessment of an intense pulsed light (IPL) sterilization device tailored for the pickled fruit and vegetable industry. The project aimed to (1) design and construct a compact IPL unit for industrial use, (2) validate its microbial reduction performance through laboratory and field testing, and (3) promote technology transfer via operational trials. The prototype integrates a xenon lamp, pulse generation circuit, conveyor belt, and control interface, allowing precise adjustment of exposure parameters. Experimental results showed over 90% microbial reduction within 120 seconds at an average light intensity of 1.7 mW/cm² and a frequency of one pulse per second. The findings demonstrate the device’s potential for improving food safety without compromising product quality. Furthermore, the study evaluates its industrial applicability, highlighting opportunities for broader adoption and scalability across production settings.
Greenhouse gas reduction system for engines using electrolyte technology Chainok, Bopit; Wasuri, Boonthong; Chainok, Piyamas
International Journal of Electrical and Computer Engineering (IJECE) Vol 15, No 6: December 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v15i6.pp5524-5534

Abstract

This research focuses on developing a system to reduce greenhouse gas emissions in internal combustion vehicle engines using electrolyte technology and embedded programming on an electronic board via the OBI protocol. The main objectives are to create a prototype, apply it in real-world scenarios, evaluate its efficiency, and facilitate technology transfer. The system, designed to reduce greenhouse gases from vehicles, consists of a Bluetooth on-board diagnostics (OBD) scanner connected to the electronic control unit (ECU). This scanner transmits data to an embedded microcontroller through a Bluetooth module. The microcontroller, which includes software for controlling oxygen measurement and production, operates to decrease greenhouse gas emissions. The results show that the electronic device, IC ELM327, decodes OBD into RS232, processes the oxygen output from the exhaust pipe using embedded programming on the Arduino Uno-R3 microprocessor, and controls the oxygen production unit with electrolyte technology. The system adds 9.82% oxygen to the exhaust and reduces carbon monoxide by 21.04% and carbon dioxide by 13.86%. Additionally, the technology transfer received high satisfaction with a mean score of 4.61, indicating efficient technology dissemination.
Co-Authors Chainok, Bopit Chainok, Piyamas Hiransing, Bancha Kuankid, Sanya Muangpool, Thanin Na Thaisong, Phinthida