Teaching Staff
Dr. Thananchai Leephakpreeda
Date Posted : 2022-01-06
Faculty
:
School of Manufacturing Systems and Mechanical Engineering (MSME)
Name
:
Dr. Thananchai Leephakpreeda
Position
:
Professor
E-mail
:
thanan@siit.tu.ac.th
Phone Rangsit
:
+66-2-986-9009, +66-2-986-9101, +66-2-564-3226
Phone Bangkadi
:
Phone Extension
:
2204
Education
  • B.Eng. in Mechanical Engineering, Chulalongkorn University, Thailand
  • M.S. in Mechanical Engineering, The University of Akron, Ohio, USA
  • Ph.D. in Mechanical Engineering, The University of Akron, Ohio, USA
Academic Awards
  • Very Good Research Award 2006, Thammasat University.
  • Thailand's Young Scientist Award 2002, Foundation for the Promotion of Science and Technology under the Patronage of His Majesty the King, Thailand.
  • The Award-Winning Book of Thammasat University, Dynamic Systems and Control, 2002.
Research Areas
  • Process control and modeling
  • Robotics
  • Expert control systems
  • Neural networks and fuzzy logics
  • System identification
  • Numerical simulation and optimization
Research Interests
Mechatronics in Application-oriented Control
The primary research interests cover mechatronics in application-oriented control for practical implementation in process modelling and control, as well as design and optimization. The current topics include intelligent control of pneumatic artificial muscles, remote measurement systems, and novel techniques for computational intelligence in system and control engineering, etc.
Work Experiences
  • 1996-Present: SIIT
  • 1993-1996: Teaching and Research Assistant,The University of Akron, Ohio,USA.a
Theses Supervised
Master Thesis Supervised

2008 :Kanchana Crishan Wickramatunge. Modelling and Control of Pneumatic Artificial Muscle Actuator.
2011 :Manish Kumar Das. A Study of Remote Data Acquisition System in Scenario of Wind Measurement.
2014 :Nataporn Korprasertsak. Determination of wind velocity by detection helium balloon motion.
2014 :Pham Quan. Investingation and assessment on potential of wind energy in the central region of Thailand.
2015 :Natapol Korprasertsak. CFD-based analysis and optimization of wind boosters for low speed vertical axis wind turbines.
2015 :Pradip Aryal. Effects of partition on thermal comfort, indoor air quality, energy consumption and perception in air-conditioned building.
2017 :Daniel Kristanto. Mathematical Modeling of Air Conditions Within Car Cabin Via Artificial Neural Networks.
2019 :Pongpak Lap-Arparat. Optimal Control of Electricity Generation in Vertical Axis Wind Turbines.
2024 :La Wonn Eain. Minimal Design Steps on Vertical Axis Wind Turbines Using Dimensional Analysis and Principles of Conservation of Angular Momentum.

Doctoral Thesis Supervised

2004 :Surat Atthajarriyakul. Adaptive Fuzzy Control of Optimal Air Conditions with Efficient Energy Usage.
2014 :Thanana Nuchkrua. Actuation and control of pneumatic artificial muscle with metal hydride based hydrogen storage system.
2020 :Nataporn Korprasertsak. Novel determination of convective heat transfer coefficient via Seebeck effect: an application to thermoelectric anemometer.
2020 :Natapol Korprasertsak. Prediction of short-period energy production for wind farms.
2021 :Kanchit Pawananont. Optimal Combustion Control of Untreated Landfill Gas via Averaging Pulse Width Modulation.
Professional Activities
  • A academic committee in Mechanical Engineering at Royal Institute
  • A member of Thai Academy of Science and Technology Foundation
List of Publications
  1. Thitipun Thongnueakhaeng, Tawat De Haas, and Thananchai Leephakpreeda (2024), “Full Linearization of Flow Control Valves via Variable Gear Ratio Design”, Scientific Reports, Vol. 14, art. no. 29139.
  2. Nataporn Korprasertsak and Thananchai Leephakpreeda (2024), “Maximizing Cooling/Heating Performance of Thermoelectric Modules across Variable Thermal Loads via Optimal Control Based on COP Curves” , Heliyon, Vol. 10, No. 1, e24063.
  3. Penpitcha Oncha-ek, Chavanakorn Prasongsil, Nattaphat Saitong, Wachiranon Saimala, Chalisa Rungruang, and Thananchai Leephakpreeda, (2023), Experimental Investigation of Novel Liquid Flow Measurement by Using Thermoelectric Module, IOP: Journal of Physics: Conference Series, 7th International Conference on Mechanical, Aeronautical, and Automotive Engineering (ICMAA 2023), 24-26 February 2023, Bangkok, Thailand, Vol. 2542, 012010.
  4. Thanana Nuchkrua and Thananchai Leephakpreeda (2022), “Novel Compliant Control of Pneumatic Artificial Muscle Driven by Hydrogen Pressure under Varying Environment”, IEEE Transactions on Industrial Electronics, Vol. 69, No. 7, pp.7120-7129.
  5. Denchai Woradechjumroen, and Thananchai Leephakpreeda (2021), “Fault Detection Involving Unfavorable Interaction Effects to Enhance the Fault Diagnostics of Refrigeration Systems in Commercial Supermarkets”, Journal of the Brazilian Society of Mechanical Sciences and Engineering, Vol. 43, No. 5, Art. No. 262.
  6. Kanchit Pawananont, and Thananchai Leephakpreeda (2021), “Experimental Investigation and Optimal Combustion Control of Untreated Landfill Gas via Fuzzy Logic Rule Knowledge Based Approach”, Waste Management, Vol. 121, pp. 383-393.
  7. Nataporn Korprasertsak and Thananchai  Leephakpreeda (2020), Real-time Determination of Overall Convective Heat Transfer from Seebeck Effect by Using Adaptive Learning-rate Optimization, E3S Web of Conferences:the 2020 4th International Conference on Power, Energy and Mechanical Engineering (ICPEME 2020), 14-17 February 2020, Budapest, Hungary, Vol. 162, art. no. 01002.
  8. Nataporn Korprasertsak, and Thananchai Leephakpreeda (2020), “Novel Wind Measurement via Thermoelectric Anemometer”, Measurement: Journal of the International Measurement Confederation, Vol. 149, Art. No. 107037.
  9. Pataradanai Onporat, Chayapol Nitichakorn, Thinnaphat Kumpeeyan, and Thananchai Leephakpreeda (2019), Optimal Design of Vertical Axis Wind Turbines for Mechanical and Aesthetic Performances under Green Lifestyles in Thailand, Matec Web of Conferences: the 2019 3rd International Conference on Mechanical, System and Control Engineering (ICMSC 2019), 21-23 June 2019, St. Petersburg, Russia, Vol. 291, art. no. 02002.
  10. Pongpak Lap-Arparat and Thananchai Leephakpreeda (2019). Real-time Maximized Power Generation of Vertical Axis Wind Turbines Based on Characteristic Curves of Power Coefficients via Fuzzy Pulse Width Modulation Load Regulation, Energy, Vol. 182, 2019, pp. 975-987.
  11. Natapol Korprasertsak and Thananchai Leephakpreeda (2019), Robust Short-term Prediction of Wind Power Generation under Uncertainty via Statistical Interpretation of Multiple Forecasting Models, Energy, Vol. 180, 2019, pp. 387-397.
  12. Natapol Korprasertsak and Thananchai  Leephakpreeda (2019), Improving Accuracy of Wind Analysis with Multi Sampling rates of Wind Measurement, E3S Web of Conferences: the 2019 3rd International Conference on Power, Energy and Mechanical Engineering (ICPEME 2019), 16-18 February 2019, Prague, Czech Republic, Vol. 99, art. no. 02002.
  13. Kanchit Pawananont and Thananchai Leephakpreeda (2019), Sequential control of multichannel on–off valves for linear flow characteristics via averaging pulse width modulation without flow meter: an application for pneumatic valves, Journal of Dynamic Systems, Measurement and Control, Vol. 141, No.1, January 2019, pp. 011007-1 - 011007-11.
  14. Atcharaporn Chailoet; Tanapon Kliniam; Ranet Muangpisan; Peerawich Kiatkungwankai; Thananchai Leephakpreeda (2018). Analytical and experimental studies of rapic cloth drying for technological innovation, MATEC Web of Conferences: Proceedings of the 2018 2nd International Conference on Mechanical, System and Control Engineering (ICMSC 2018), 21-23 June 2018, Moscow, Russia, Vol. 220, 2018, Article No. 04007, 5 p. 
  15. Krittiya Ongwuttiwat; Sudaporn Sudprasert; and Thananchai Leephakpreeda (2018). Determination of human thermal comfort due to moisture permeability of clothes, International Journal of Clothing Science and Technology, Vol. 30, No. 4, pp. 462-476.
  16. Kristanto, Daniel; and Thananchai Leephakpreeda, (2018). Effective Dynamic Prediction of Air Conditions within Car Cabin via Bilateral Analyses of Theoretical Models and Artificial Neural Networks, Journal of Thermal Science and Technology, Vol. 13, No. 2, 2018, Paper No.17-00536, 19 p.
  17. Natapol Korprasertsak; and Thananchai Leephakpreeda (2018). Short-Term Forecasting Models of Wind Speed for Airborne Wind Turbines: A Comparative Study, International Journal of Mechanical Engineering and Robotics Research, Vol. 7, No. 3, May 2018, pp. 250-256.
  18. Natapol Korprasertsak; and Thananchai Leephakpreeda (2018). Nyquist-based Adaptive Sampling Rate for Wind Measurement under Varying Wind Conditions, Renewable Energy, Vol. 119, April 2018, pp. 290-298.
  19. Kristanto, Daniel; and Thananchai Leephakpreeda (2017). Sensitivity analysis of energy conversion for effective energy consumption, thermal comfort, and air quality within car cabin, Energy Procedia: Proceedings of the 2017 International Conference on Alternative Energy in Developing Countries and Emerging Economies (2017 AEDCEE), 25-26 May 2017, Bangkok, Thailand, Vol. 138, October 2017, pp. 552-557. 
  20. Kanchit Pawananont; and Thananchai Leephakpreeda (2017). Feasibility analysis of power generation from landfill gas by using internal combustion engine organic Rankine cycle and stirling engine of pilot experiments in Thailand, Energy Procedia: Proceedings of the 2017 International Conference on Alternative Energy in Developing Countries and Emerging Economies (2017 AEDCEE), 25-26 May 2017, Bangkok, Thailand, Vol. 138, October 2017, pp. 575-579.
  21. Pongchalat Chaisiriroj; Nuttapat Tinnachote; Saowapak Usajantragul; and Thananchai Leephakpreeda (2017). Experimental performance investigation of optimal vertical axis wind turbines under actual wind conditions in Thailand, Energy Procedia: Proceedings of the 2017 International Conference on Alternative Energy in Developing Countries and Emerging Economies (2017 AEDCEE), 25-26 May 2017, Bangkok, Thailand, Vol. 138, October 2017, pp. 651-656.
  22. Chaianant Sranpat; Suchaya Unsakul; Premchai Choljararux; and Thananchai Leephakpreeda (2017). CFD-based performance analysis on design factors of vertical axis wind turbines at low wind speeds, Energy Procedia: Proceedings of the 2017 International Conference on Alternative Energy in Developing Countries and Emerging Economies (2017 AEDCEE), 25-26 May 2017, Bangkok, Thailand, Vol. 138, October 2017, 25-26 May 2017, Bangkok, Thailand, pp. 500-505.
  23. Natapol Korprasertsak; and Thananchai Leephakpreeda (2017). Comparative investigation of short-term wind speed forecasting models for airborne wind turbines. In Proceedings of the 8th International Conference on Mechanical and Aerospace Engineering (ICMAE 2017), 22-25 July 2017, Prague, Czech Republic, pp. 451-454.
  24. Suchaya Unsakul; Chaianant Sranpat; Pongchalat Chaisiriroj; and Thananchai Leephakpreeda (2017). CFD-based performance analysis and experimental investigation of design factors of vertical axis wind turbines under low wind speed conditions in Thailand, Journal of Flow Control, Measurement & Visualization, Vol. 5, No. 4, October 2017, 5, pp. 86-98.
  25. Nataporn Korprasertsak; and Thananchai Leephakpreeda (2017). Real-Time Determination of Convective Heat Transfer Coefficient Via Thermoelectric Modules, Journal of Heat Transfer-Transactions of the ASME, Vol. 139, No. 10, October 2017, 8 p.
  26. Daniel Kristanto; and Thananchai Leephakpreeda (2017). Energy conversion for thermal comfort and air quality within car cabin. IOP Conference Series: Materials Science and Engineering: Proceedings of the 2nd International Conference on Mechanical and Aeronautical Engineering (ICMAE 2016), 28-30 December 2016, Hong Kong, Vol. 187, No. 1, March 2017, Article No. 012037, 6 p.
  27. Aryal, Pradip; and Thananchai Leephakpreeda (2016). Effects of partition on thermal comfort, indoor air quality, energy consumption, and perception in air-conditioned buildings, Journal of Solar Energy Engineering-Transactions of the ASME, Vol. 138, No. 5, October 2016, 11 p.
  28. Natapol Korprasertsak; and Thananchai Leephakpreeda (2016). Analysis and optimal design of wind boosters for Vertical Axis Wind Turbines at low wind speed, Journal of Wind Engineering and Industrial Aerodynamics, Vol. 159, December 2016, pp. 9-18.
  29. Thanana Nuchkrua; Thananchai Leephakpreeda; and Shyh-Leh Chen (2016). Experimental validation for fuzzy control of servo pneumatic artificial muscle driven by metal hydride, International Journal of Fuzzy Systems, Vol. 18, No. 6, December 2016, pp. 956–970.
  30. Nataporn Korprasertsak; and Thananchai Leephakpreeda (2016). Mathematical modeling and validation of cooling/heating effects in thermoelectric module coupled with heat sink. In Proceedings of the 2016 7th International Conference on Mechanical and Aerospace Engineering (ICMAE), 18-20 July 2016, London, United Kingdom, pp. 95-99.
  31. Aryal, Pradip; and Thananchai Leephakpreeda (2015). CFD analysis on thermal comfort and indoor air quality affected by partitions in air-conditioned building, Applied Mechanics and Materials: Achievements of Mechanical Science and Current Technological Innovations for Sustainable Development: Proceedings of the International Conference on Mechanical Engineering (ICOME 2015), 3-5 September 2015, Bali, Indonesia, Vol. 836, 2016, pp. 121-126.
  32. Natapol Korprasertsak; and Thananchai Leephakpreeda (2015). Optimal design of wind boosters for low speed vertical axis wind turbines, Applied Mechanics and Materials: Mechanical and Aerospace Engineering VI: Proceedings of the 6th International Conference on Mechanical and Aerospace Enginerring (ICMAE 2015), 16-17 July 2015, Roma, Italy, Vol. 798, July 2015, pp. 195-199.
  33. Noppawit Sippawit; and Thananchai Leephakpreeda (2015). A study of sensing heat flow through thermal walls by using thermoelectric module, Thermal Science, Vol. 19, No. 5, 2015, pp. 1497-1505.
  34. Quan, Pham; and Thananchai Leephakpreeda (2015). Assessment of wind energy potential for selecting wind turbines: an application to Thailand, Sustainable Energy Technologies and Assessments, Vol. 11, September 2015, pp. 17-26.
  35. Quan, Pham; and Thananchai Leephakpreeda (2015). Assessment of wind energy potential in the central region of Thailand: a wind analysis. In Proceedings of 2015 International Conference on Alternative Energy in Developing Countries and Emerging Economies (2015 AEDCEE) [CD-ROM], 28-29 May 2015, Bangkok, Thailand, pp. 269-270.
  36. Quan, Pham; and Thananchai Leephakpreeda (2015). Assessment of wind energy potential in the central region of Thailand: an economic analysis. In Proceedings of 2015 International Conference on Alternative Energy in Developing Countries and Emerging Economies (2015 AEDCEE) [CD-ROM], 28-29 May 2015, Bangkok, Thailand, pp. 263-264.
  37. Supacheep Ngamlarp; Natapol Korprasertsak; and Thananchai Leephakpreeda (2015). Experimental study of novel wind booster for low speed vertical axis wind turbine. In Proceedings of 2015 International Conference on Alternative Energy in Developing Countries and Emerging Economies (2015 AEDCEE) [CD-ROM], 28-29 May 2015, Bangkok, Thailand, pp. 179-180.
  38. Natapol Korprasertsak; and Thananchai Leephakpreeda (2015). CFD-based power analysis on low speed vertical axis wind turbines with wind boosters. In Energy Procedia: Proceedings of 2015 International Conference on Alternative Energy in Developing Countries and Emerging Economies (2015 AEDCEE), 28-29 May 2015, Bangkok, Thailand), Vol. 79, November 2015, pp. 963-968.
  39. Aryal, Pradip; and Thananchai Leephakpreeda (2015). CFD analysis on thermal comfort and energy consumption effected by partitions in air-conditioned building. In Energy Procedia: Proceedings of 2015 International Conference on Alternative Energy in Developing Countries and Emerging Economies (2015 AEDCEE), 28-29 May 2015, Bangkok, Thailand), Vol. 79, November 2015, pp. 183-188.
  40. Thanana Nuchkrua; and Thananchai Leephakpreeda (2015). Actuation of pneumatic artificial muscle via hydrogen absorption/desorption of metal hydride-LaNi5, Advances in Mechanical Engineering, Vol. 7, No. 1, January 2015, Article ID: 364306, 10 p.
  41. Nataporn Korprasertsak; and Thananchai Leephakpreeda (2015). Alternative method of wind measurement via interpreting dynamic behaviors of a helium balloon, Journal of Solar Energy Engineering, Vol. 137, No. 1, February 2015, Paper No. 011014, 9 p.
  42. Natapol Korprasertsak; and Thananchai Leephakpreeda (2014). CFD-based study of novel wind booster for low speed vertical axis wind turbine. In Proceedings of the 7th AUN/SEED-Net Regional Conference in Mechanical and Manufacturing Engineering (RCMME2014), 9-10 October 2014, Hanoi, Vietnam, pp. 301-304.
  43. Natapol Korprasertsak; Nataporn Korprasertsak; and Thananchai Leephakpreeda (2014). CFD modeling and design of wind boosters for low speed vertical axis wind turbines, Advanced Materials Research: The 2014 5th International Conference on Mechanical and Aerospace Engineering (ICMAE 2014), 18-19 July 2014, Madrid, Spain, Vol. 1016, 2014, pp. 554-558.
  44. Thanana Nuchkrua and Thananchai Leephakpreeda (2013). Control of DC-link by adaptive PID control for DC/DC boost converter. In Proceedings of 2013 CACS International Automatic Control Conference (CACS 2013), 2-4 December 2013, Nantou, Taiwan, pp. 423-426.
  45. Kanchana Crishan Wickramatunge and Thananchai Leephakpreeda (2013). Empirical modeling of dynamic behaviors of pneumatic artificial muscle actuators, ISA Transactions, Vol. 52, No. 6, November 2013, pp. 825-834.
  46. Thanana Nuchkrua and Thananchai Leephakpreeda (2013). Adaptive PID control of DC-link voltage via DC/DC buck-boost converter, Thammasat International Journal of Science and Technology, Vol. 18, No. 2, April-June 2013, pp. 42-53.
  47. Das, Manish Kumar and Thananchai Leephakpreeda (2012). A low cost remote data acquisition system based on internet and microcontroller for wind measurement, Suranaree Journal of Science and Technology, Vol. 19, No. 3, pp.161-173.
  48. Thanana Nuchkrua; Thananchai Leephakpreeda; and Tatdanai Mekarporn (2013). Development of robot hand with pneumatic artificial muscle for rehabilitation application. In Proceedings of the 7th IEEE International Conference on Nano/Molecular Medicine and Engineering (IEEE-Nanomed 2013) [CD-ROM], 10-13 November 2013, Phuket, Thailand, pp. 55-58.
  49. Thanana Nuchkrua and Thananchai Leephakpreeda (2013). Fuzzy self-tuning PID control of hydrogen-driven pneumatic artificial muscle actuator, Journal of Bionic Engineering, Vol. 10, No. 3 (July 2013), pp. 329-340.
  50. Thanana Nuchkrua and Thananchai Leephakpreeda (2013). Fuzzy adaptive PID control for servo actuation of pneumatic artificial muscle actuated by hydrogen based metal hydride. In Proceedings of the 7th World Congress on Biomimetics, Artificial Muscles and Nano-Bio (BAMN 2013), 26-30 August 2013, Jeju, South Korea, 5 p.
  51. Thanana Nuchkrua and Thananchai Leephakpreeda (2013). Control of hydrogen based metal hydride reactor coupled with thermoelectric module via neuro-fuzzy adaptive PID control. In Proceedings of the 26th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems (ECOS 2013) [CD-ROM], 16-19 July 2013, Guangxi, China, 11 p.
  52. Thanana Nuchkrua and Thananchai Leephakpreeda (2013). Control of metal hydride reactor coupled with thermoelectric module via fuzzy adaptive PID controller. In Proceedings of 2013 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM 2013) [CD-ROM], 9-12 July 2013, Wollongong, Australia, pp. 411-416.
  53. Thanana Nuchkrua and Thananchai Leephakpreeda (2013). Adaptive PID control of DC-link stabilization of DC/DC converter in photovoltaic systems. In Proceedings of the 2013 International Conference on Alternative Energy in Developing Countries and Emerging Economies (2013 AEDCEE) [CD-ROM], 30-31 May 2013, Bangkok, Thailand, pp. 298-301.
  54. Thanana Nuchkrua and Thananchai Leekphakpreeda (2013). Neuro-fuzzy adaptive PID control of thermoelectric module for metal hydride reactor, Defect and Diffusion Forum, Vols. 334-335 (2013), pp. 182-187.
  55. T. Leephakpreeda (2012). Experimental determination of thermoelectric-module parameters and modeling for cooling/heating control design, Experimental Techniques, Vol. 36, No. 6, November/December 2012, pp. 13-20.
  56. Thanana Nuchkrua and Thananchai Leephakpreeda (2012). Neuro-fuzzy adaptive PID control of thermoelectric module for metal hydride reactor. In Proceedings of the 8th International Conference on Diffusion in Solids and Liquids (DSL2012), 25-29 June 2012, Istanbul, Turkey, p. 42.
  57. Thananchai Leephakpreeda (2012). Application of thermoelectric modules on heat flow detection, ISA Transactions, Vol. 51, No. 2, March 2012, pp. 345-350.
  58. Thananchai Leephakpreeda (2012). Mathematical modeling of Pneumatic Artificial Muscle actuation via hydrogen driving metal hydride-LaNi5, Journal of Bionic Engineering, Vol. 9, No. 1, March 2012, pp. 110-118.
  59. Thananchai Leephakpreeda (2012). Implementation of adaptive indoor comfort temperature control via embedded system for air-conditioning unit, Journal of Mechanical Science and Technology, Vol. 26, No. 1, January 2012, pp. 259-268.
  60. Das, Manish Kumar s and Thananchai Leephakpreeda (2011). A low cost remote data acquisition system based on PIC32 microcontrollers, In Proceedings of the 2011 International Conference on Computer and Computational Intelligence (ICCCI 2011), 2-3 December 2011, Bangkok, Thailand, pp. 593-597.
  61. Das, Manish Kumar, Thananchai Leephakpreeda (2011). A Review Study on Trends to Wind Energy in a Global and Thailand Context, Suranaree Journal of Science and Technology, Vol. 18, No.1, pp. 1-13.
  62. Thananchai Leephakpreeda (2011). Fuzzy logic based PWM control and neural controlled-variable estimation of pneumatic artificial muscle actuators, Expert Systems with Applications, Vol. 38, No. 6, June 2011, pp. 7837-7850.
  63. Thananchai Leephakpreeda (2010). Study of conversion efficiency of tube-type solar thermal collectors, Thammasat International Journal of Science and Technology, Vol. 15, No. 2, April-June 2010, pp. 10-16.
  64. Thananchai Leephakpreeda (2010). Application of dc servomotor on airflow measurement, Journal of Dynamic Systems, Measurement, and Control, Vol. 132, No. 2, March 2010, 7 p.
  65. Wickramatunge, Kanchana Crishan and Thananchai Leephakpreeda (2010). Study on Mechanical Behaviors of Pneumatic Artificial Muscle, International Journal of Engineering Science, Vol. 48, No. 2, February 2010, pp. 188-198.
  66. Thananchai Leephakpreeda (2009). Novel Method to Weigh Medical Capsules in Continuous Process, Measurement, Vol. 42, No. 7, August 2009, pp. 1053-1058.
  67. Thananchai Leephakpreeda and Kanchana Crishan Wickramatunge (2009). Pneumatic artificial muscle actuation and modelling. In "IAENG Transactions on Engineering Technologies Volume 3: Special Edition of the International Multiconference of Engineers and Computer Scientists 2009" edited by Sio-long Ao, et. al.; New York: American Institute of Physics, 1st Edition, 2009, pp. 282-296.
  68. Wickramatunge, Kanchana Crishan and Thananchai Leephakpreeda (2009). Empirical Modeling of Pneumatic Artificial Muscle. In Proceedings of the International MultiConference of Engineers and Computer Scientists 2009 (IMECS 2009)[CD-ROM], 18-20 March 2009, Kowloon, Hong Kong. pp. 1726-1730.
  69. Thananchai Leephakpreeda (2008). Grey Prediction on Indoor Comfort Temperature for HVAC Systems, Expert Systems with Applications, Vol. 34, No. 4, pp. 2284-2289.
  70. Thananchai Leephakpreeda (2008). Experimental Studies on Flow Characteristics of Peristaltic Pump, Thammasat International Journal of Science and Technology, Vol. 13, No. 4, pp. 54-61.
  71. Thananchai Leephakpreeda (2008). Model-Based Analysis for Experimental Parameter Identification of Micro DC Motor, Thammasat International Journal of Science and Technology, Vol. 13, No. 1, pp. 38-46.
  72. Thananchai Leephakpreeda (2007). Car-Parking Guidance with Fuzzy Knowledge-Based Decision Making, Building and Environment, Vol. 42, No. 2, pp. 803-809.
  73. Iddhi Thamsuriya and Thananchai Leephakpreeda (2007). Parameter Identification of Micro DC Motor with xPC Target /Simulink. In Proceedings of the PSU-UNS International Conference on Engineering and Environment (ICEE-2007)[CD-ROM], 10-11 May 2007, Phuket, Thailand. Paper No. ICEE2007038, 4 p.
  74. Thananchai Leephakpreeda (2006). A Fuzzy Linguistic Interpretation of the Golden Section, Fuzzy Sets and Systems, Vol. 157, No.17, pp. 2412-2415.
  75. Surat Atthajariyakul, Thananchai Leephakpreeda (2006). Fluidized Bed Paddy Drying in Optimal Conditions via Adaptive Fuzzy Logic Control, Journal of Food Engineering, Vol. 75, No. 1, pp. 104-114.
  76. Surat Atthajariyakul, Thananchai Leephakpreeda (2005). Real-time Determination of Optimal Indoor-air Condition for Thermal Comfort, Air Quality and Efficient Energy Usage, Fuel and Energy Abstracts, Vol. 46, No. 1, pp. 51.
  77. Thananchai Leephakpreeda (2005). Adaptive Occupancy-based Lighting Control via Grey Prediction, Building and Environment, Vol. 40, No. 7, pp. 881-886.
  78. Surat Atthajariyakul, Thananhchai Leephakpreeda (2005). Neural Computing Thermal Comfort Index for HVAC Systems, Energy Conversion and Management, Vol. 46, No. 15-16, pp. 2553-2565.
  79. Thananchai Leephakpreeda (2004). Pneumatics and Hydraulics: Systems & Control, Thammasat University Press, Pathum Thani, Thailand. 134 p.
  80. Surat Atthajariyakul and Thananchai Leephakpreeda (2004). Optimal condition control for fluidized bed paddy drying by adaptive fuzzy logic control. In Proceedings of the 15th International Symposium on Transport Phenomena, 9-13 May 2004, Bangkok, Thailand. pp. 426-430.
  81. Surat Atthajariyakul and Thananchai Leephakpreeda (2004). Real-time determination of optimal indoor-air condition for thermal comfort, air quality and efficient energy usage, Energy and Buildings, Vol. 36, No. 7, p. 720-733.
  82. Thananchai Leephakpreeda (2004). Dynamic control of crystallinity in polymer film casting process, Songklanakarin Journal of Science and Technology, Vol. 26, No. 3, pp. 385-391.
  83. Thananchai Leephakpreeda (2003). Flow-sensorless control valve: neural computing approach, Flow Measurement and Instrumentation, Vol. 14, No. 6, pp. 261-266.
  84. Thananchai Leephakpreeda (2002). Novel determination of differential-equation solutions: universal approxi-mation method, Journal of Computational and Applied Mathematics, Vol. 146, No. 2, pp. 443-457.
  85. Thananchai Leephakpreeda (2002). Sensorless DC motor drive via optimal observer-based servo control, Optimal Control Applications and Methods, Vol. 23, No. 5, pp. 289-301.
  86. Thananchai Leephakpreeda (invited paper) (2002). Measurement of airflow via servo DC motor, Journal of Scientific Research Chulalongkorn University: Section T, Vol. 1, No. 3, pp. 451-460. (in Thai)
  87. Surat Atthajariyakul and Thananchai Leephakpreeda (2002). Real-time determination of optimal indoor-air condition for thermal comfort, air quality and efficient energy usage. In Proceedings of 8th International Conference on Air Distribution in Rooms, 8-11 September 2002, Copenhagen, Denmark. pp. 425-428.
  88. Leephakpreeda, T. (2001). Mathematical modeling of solidification of semi-crystalline polymers under quiescent non-isothermal crystallization: Determination of crystallite's size, ScienceAsia: Journal of the Science Society of Thailand, Vol. 27, pp. 127-132.
  89. Leephakpreeda, T. (2001). Resolving scaling problem of wide-range data in neural network training with fuzzy linguistic model, Advances in Engineering Software, Vol. 32, pp. 641-646.
  90. Leephakpreeda, T.,S. Limpichotipong, and C. Netramai (2001). Genetic reinforcement learning with updating table of Q-value function: Obstacle avoidance robot, ScienceAsia: Journal of the Science Society of Thailand, Vol. 27, No. 2, pp. 177-183.
  91. Leephakpreeda, T., R. Thitipatanapong, T. Grittiyachot, and V. Yungchareon (2001). Occupancy-based control of indoor air ventilation: A theoretical and experimental study, ScienceAsia: Journal of the Science Society of Thailand, Vol. 27, No.4, pp. 279-284.
  92. Leephakpreeda,T. (2001). Quantitative relation of crystallinity and crystallites size to mechanical properties of semi-crystalline polymers: Application to HDPE, Research & Development Journal of The Engineering Institute of Thailand, Vol. 12, No. 2, pp. 7-14.
  93. Leephakpreeda, T. (2000). Justification of Material Selections with Fuzzy Quantifiers and OWA Operators, Thammasat International Journal of Science and Technology, Vol. 5, No. 2, pp. 43-47.
  94. Leephakpreeda, T. (2000). Quiescent Crystallization Kinetics: Embedded Artificial Neural Model, Journal of Polymer Science: Part B: Polymer Physics, 2000, Vol. 38, pp. 309-318.
  95. Leephakpreeda,T. (1999). Adaptive Fuzzy Logic Controller with Sensitivity Learning Rules, Thammasat International Journal of Science and Technology, Vol. 4, No. 3, pp. 13-17.
  96. Leephakpreeda,T. (1999). H∞ Stability Robustness of Fuzzy Control Systems, Automatica, Vol. 38, No. 8, pp. 1467-1470.
  97. Leephakpreeda,T. (1998). Optimal Stabilization of a Set Linear Time-invariant Systems by Lyapunov Equations,Thammasat International Journal of Science and Technology, Vol. 3, No. 1, pp. 49-54.
  98. Leephakpreeda,T. (1998). Solving Differential Equations with Artificial Neural Networks, Proceedings of the 12th National Academic Seminar on Mechanical Engineering, Bangkok, Vol. 2, pp. 166-168.
  99. Leephakpreeda,T. (1997). Adaptive H∞ Control of Robot Manipulator, ASEAN Journal on Science & Technology for Development, Vol. 14, No. 2, pp. 51-60.
  100. Leephakpreeda,T. and Batur, C. (1997). A Design Sensitivity Analysis for Crystallinity Control, Thammasat International Journal of Science and Technology, Vol. 2, No. 2, pp. 18-23.
  101. Leephakpreeda,T. and Batur, C. (1997). Distributed Crystallinity Control During Cast Film Extrusion, International Polymer Processing, Vol. VII, No. 4, pp. 373-377.
  102. Leephakpreeda,T. and Batur, C. (1997) Modelling of Local Crystallinity in Polymer Extrusion Process, Research and Development Journal of The Engineering Institute of Thailand, Vol. 7, No. 2, pp. 76-81.
  103. Leephakpreeda,T. and Batur, C. (1997). Stability Analysis of a Fuzzy Control System, Thammasat International Journal of Science and Technology, Vol. 2, No.1, pp.1-5.
  104. Leephakpreeda,T. and Batur,C. (1997). Stability Analysis of a Fuzzy Logic Control System, Inauguration of Institute’s New Name Sirindhorn International Institute of Technology Commemorative Publication, pp. 146-148.
  105. Leephakpreeda,T. and Rungroekrit, S. (1997). Optimization of Flexible Manufacturing Cells under Uncertainty,Proceedings of the 1997 Annual Conference of the Engineering Institute of Thailand under H.M. the Kings Patronage, Bangkok, 20-23 November 1997.
  106. Batur, C. and Leephakpreeda,T. (1996). Control of Crystallinity in Polymer Extrusion Processes, 13th IFAC World Congress, Vol. M, pp. 169-175.
  107. Batur, C. and Leephakpreeda,T. (1996). Crystallinity Control During Sheet Extrusion, ASME WAM, MD- Vol. 74, pp. 147-149.
  108. Batur, C. and Leephakpreeda,T.(1996). Optimization of Crystallinity Distribution in Sheet Extrusion, Journal of Inverse Problems in Engineering, Vol. 4, pp. 153-176.
  109. Batur, C. and Leephakpreeda,T. (1994). Stability of Fuzzy Control Systems, IEEE International Conference on Neural Networks, Part 4, pp. 2605-2610.
  110. Leephakpreeda, T. and Batur, C. (1994). Stability of a Class of Fuzzy Controllers, ASME Winter Annual Meeting, Dynamic Systems and Controls, DSC-Vol. 55-1, ISBN 0-7918-1414-9, pp. 399-417.
Thailand Patents :
  1. Thananchai Leephakpreeda, Control Equipment of Comfort temperature for Air-conditioning Unit, TH Patent#94194, June 8, 2023.
  2. Thananchai Leephakpreeda, Balloon-type Anemometer, TH Patent#67783, January 29, 2019.
  3. Thananchai Leephakpreeda, Calibration Device for Weighing Capsules via Vacuum Effect, TH Patent#25286, January 16, 2009.
  4. Thananchai Leephakpreeda, Speed/Direction Measurement Device of Airflow via dc Servomotor, TH Patent# 22118, July 6, 2007.
  5. Thananchai Leephakpreeda, Speed-Sensorless Control System of dc Servomotor, TH Patent# 21467, February 27, 2007.

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