2022: C. Panpean, J. Homjan, J. Varagul, and W. Lawanont, “Reference Current Calculation with Instantaneous Power Theory for Current Quality Improvement in Railway Electrification,” The Journal of KMUTNB, 2022, pp. 1-12.
2022: N. Setthawong, K-L Areerak, P. Santiprapan, C. Panpean, and K-N Areerak, “Gain Tuning Technique Based on Sliding Mode Control for Shunt Active Power Filter,” iEECON2022, Khon Kaen, Thailand, 9-11 March 2022
2021: C. Panpean, K-L Areerak, P. Santiprapan, K-N Areerak, and S. S. Yeoh, (2021). Harmonic Mitigation in Electric Railway Systems Using Improved Model Predictive Control. Energies. Volume 14, 2012.
2020: C. Panpean, K-L Areerak, and K-N Areerak, “The Synchronous Harmonic Detection Method for Current Quality Improvement in Electric Railway Systems,” The 43rd Electrical Engineering Conference (EECON-43), Phitsanulok, Thailand, 28-30 October 2020, pp. 49-52.
2019: C. Panpean, K-L Areerak, and K-N Areerak, (2019). Harmonic Elimination using Active Power Filter for Non-Sinusoidal Voltage Source System.
SWU Engineering Journal, Volume 14, no. 2, pp. 74-90.
2019: C. Panpean, K-L Areerak, K-N Areerak, P. Santiprapan, and S. Udomsuk, “The Harmonic Detection for Co-Phase Railway System in Distorted Voltage Source Condition,” The 16th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON 2019). Chonburi, Thailand, 10-13 July 2019, pp. 544-547.
2017: C. Panpean, K-L Areerak, and K-N Areerak, (2017). A Novel Design Approach of Fuzzy Logic Controller for Automatic Para Rubber Rolling Machine. SWU Engineering Journal, Volume 12, no. 1, pp. 67-71.
2016: C. Panpean, K-L Areerak, and K-N Areerak, “The Control of Para Rubber Rolling Machine via Fuzzy Logic Controller,” The 39rd Electrical Engineering Conference (EECON-39), Phetchaburi, Thailand, 2-4 November 2016, pp. 501-504.
2018: K-L Areerak and C. Panpean, “Para Rubber Rolling Machine Components,” 11 Jun 2561, Patent no. 63149.
2016: K-L Areerak and C. Panpean, “The Automatic Para Rubber Sheet Thickness Control Unit for Para Rubber Rolling Machine Installed Electric Motor with Solar Cell Panel.,” 11 Aug 2559, Request no. 1601004660.