Dr.Varin Cholahan
D.Eng. Electrical Engineering (Instruentation and Control Engineering)
King’s Mongkut Institute of Technology Ladkrabang
Researches
1. V. Cholahan, and C. Deelertpaiboon, “Deep Learning for Machining Characteristic of Electrical Discharge Machine using Neural Networks,” The 38th conference of Industrial Engineering Network (IE Network 2020), pp.174-179, May 2020.
2. V. Cholahan, N. Wongvanich, W. Tangsrirat, “Robust constant exponent coefficient fixed-time control based on finite-time extended sliding mode observer of permanent magnet synchronous motors,” Energies., vol.16, 7454, 2023. (Q1 Scopus)
3. N. Wongvanich, V. Cholahan, and W. Tangsrirat, “Robust Practical Fixed Time Control Application to PMSM and DC-DC Buck Converter,” The 21st International Conference on Electrical Engineering/Electronics, Computer, Telecommunications, and Information Technology (ECTI-CON2024), Khon Kean, May 2024. (IEEE.)
4. V. Cholahan, and T. Suwannatat, “OKUMA LCS250 CNC Lathe Retrofitted by Delta CNC Solution for Circulating Technology in Metal Cutting Technology,” The 1st Industrial Technology and Innovation Management National Conference(ITIMcon2025), Queen Sirikit National Convention Center, Bangkok, pp.21-40, Jul. 2025.
5. V. Cholahan, and T. Suwannatat, “A Robust Practical Fixed-Time Torch Height Control by Applying Arc Voltage Feedback for CNC Plasma Machines,” The 17th Electrical Engineering Network(EENET2025), Ranong, May 2025. (Best Paper Award)
6. V. Cholahan, and T. Suwannatat, “The Reduction of Energy Consumption in EVs by Using Sliding Mode Control of PMSM coupled with Planetary Gear in Transmission System,” The 7th International Conference on Power, Energy and Innovations(ICPEI2025), Pattaya, Oct. 2025. (IEEE.)
7. V. Cholahan, and N. Wongvanich, and W. Tangsrirat, “A Constant Exponent Coefficient Fixed-Time Control For Voltage Regulating DC-DC Converter,” The 2025 SICE Festival with Annual Conference(SICE Fes 2025), Chiang Mai, pp.157-160, Sep. 2025. SICE.
8. N. Wongvanich, V. Cholahan, and W. Tangsrirat, “Robust Practical Fixed-Time Speed Control of Permanent Magnet Synchronous Motors with Adaptive Disturbance Rejection,” IEEE Region 10 Symposium 2025(TENSYMP2025), Christchurch, New Zealand, Jul. 2025. (IEEE.)
9. V. Cholahan, and N. Wongvanich, and W. Tangsrirat, “Observer-less Fixed-time Speed Control for Permanent Magnet Synchronous Motors with matched-mismatched disturbances,” The 13th 2025 International Electrical Engineering Congress(iEECON2025), Hua Hin, Mar. 2025. (IEEE.)
10. V. Cholahan, and N. Wongvanich, and W. Tangsrirat, “Robust Variable Exponent Coefficient Fixed-Time Speed Control of Permanent Magnet Synchronous Motors Based On Fixed-Time Sliding Mode Observer,” The 22nd International Conference on Electrical Engineering/Electronics, Computer, Telecommunications, and Information Technology(ECTI-CON2025), Bangkok, May 2025. (IEEE.)
11. V. Cholahan, and N. Wongvanich, and W. Tangsrirat, “A Novel Practical Fixed Time Speed Control of Permanent Magnet Synchronous Motors with Input Saturation,” the 4th International Symposium on Instrumentation, Control, Artificial Intelligence and Robotics(ICA-SYM2025), KMUTNB, Jan. 2025. (IEEE.)
12. V. Cholahan, and T. Suwannatat, “The Dynamical Model of Electric Vehicle’s Mechanical Transmission coupled with Permanent Magnet Synchronous Motor for Control System Applications,” The 39th Conference of Mechanical Engineering Network of Thailand(ME-NETT2025), Khon Kean, pp.912-919, Jul. 2025. (Best Paper Runner-Up Award)
13. V. Cholahan ,and W. Tangsrirat, “Robust fixed-time control for DC-DC converter with matched and mismatched perturbations,” Journal of Electrical Engineering, Sciendo, vol. 76, no. 4, pp. 361–369, Aug. 2025. (Q3 Scopus)
14. V. Cholahan, K. Rattanakun, and W. Tangsrirat, “Finite-time nonlinear speed controller of permanent magnet synchronous motor using C mex S-function”, Eureka: PE, no. 4, pp. 89-98, Jul. 2025. (Q3 Scopus)
15. V. Cholahan, and W. Tangsrirat, “Robust Fixed-Time Speed Control of Electric Vehicles With Mechanical Transmission and Permanent Magnet Synchronous Motor Under System Uncertainties and Perturbations,” Journal of Engineering, Wiley, 7206613, 2025. (Q1 Scopus)
16. V. Cholahan, and C. Smuthkalin, “Finite-Time Control of Pneumatic Servo under mismatched Parameters for ElectricVehicles’ Active Suspension System, ” The 14th International Electrical Engineering Congress (iEECON2026), Pattaya, Mar. 2026. (IEEE.)
17. V. Cholahan, and T. Suwannatat, “A Constant Exponent Coefficient Fixed-Time Control For Voltage Regulating Linearized DC-DC Converter Model,” The 14th International Electrical Engineering Congress (iEECON2026), Pattaya, Mar. 2026. (IEEE.)