Personal Information:

Name:             Mr. Pruittikorn Smithmaitrie (นาย พฤทธิกร สมิตไมตรี)   

Address:        Department of Mechanical Engineering,

                        Faculty of Engineering,

                        Prince of Songkla University, Hat Yai,

                        Songkhla 90112 THAILAND

Telephone:       (66-74) 287-214

Fax:                  (66-74) 558-830

E-mail:              spruitti@me.psu.ac.th

 

 

Education:

May 2004                     Ph.D. (Mech. Eng.), University of Kentucky, Lexington, Kentucky, (USA)   

May 2000                     M.S. (Mech. Eng.), Vanderbilt University, Nashville, Tennessee, (USA)

March 1996                 B.Eng. (Mech. Eng.), Prince of Songkla University, Songkla, (Thailand)

 

Employment & Position:

2013-present                         Department of Mechanical Engineering,

                                                Prince of Songkla University, Songkla, Thailand

                                                Deputy Head for Academic Affairs

2008-present                         Prince of Songkla University, Songkla, Thailand

                                                Associate Professor in Mechanical Engineering Department

2006-2009, 2012-present       Mechanical Engineering Department,

                                                Prince of Songkla University, Songkla, Thailand

                                                Coordinator of Mechatronics Curriculum

2009-2011                               Faculty of Engineering, Prince of Songkla University, Thailand

 Assistant Dean for Research and Innovation

2009-2010                               Faculty of Engineering, Prince of Songkla University, Thailand

 Manager of Industry/University Cooperative Research Unit in Hard Disk Drive Component.

2008-2009                               Faculty of Engineering, Prince of Songkla University, Thailand

Associate Manager of Industry/University Cooperative Research Unit in Hard Disk Drive Component.

2005-2008                               Prince of Songkla University, Songkla, Thailand

                                                Assistant Professor in Mechanical Engineering Department

2004-2005                            Prince of Songkla University, Songkla, Thailand

                                            Lecturer in Mechanical Engineering Department

2004                                        University of Kentucky, Lexington, KY, USA

Teaching Assistant (ME340 Introduction to Mechanical Systems)

2003                                        University of Kentucky, Lexington, KY, USA

Teaching Assistant (EM313 Dynamics)

1996-1998                              Prince of Songkla University, Songkla, Thailand        

                                                Lecturer in Mechanical Engineering Department,

                                   

Academic Position:

2008                 Associate Professor of Mechanical Engineering Department,

 Prince of Songkla University, Songkla, Thailand.

2005                 Assistant Professor of Mechanical Engineering Department,

 Prince of Songkla University, Songkla, Thailand.

1996                 Lecturer of Mechanical Engineering Department,

 Prince of Songkla University, Songkla, Thailand.

Award:

2014                 Young Lecturer Award of Prince of Songkla University.        

2014                 Third place of RoboCup Japan Open 2014 Robot@Home League,

                         The Japan RoboCup Federation, Fukuoka Japan, (Leader of Team Dong Yang)

2014                 Winner of Thailand Robot@Home Championship 2014 and the Best Technique,                        

                         Thai Robotics Society and Siam Cement Group, (Advisor of Team Dong Yang).

2014                 Young Lecturer Award of the Faculty of Engineering.

2013                 Outstanding Text Book of the Faculty of Engineering: Robotics and Technology

  Faculty of Engineering, Prince of Songkla University

2013                 Recognition Certificate in Research and Innovation Day 2013, Prince of Songkla University, for the following contributions

                        - JARVIS the robot at home, for national public news and broadcast.

                        - Granted a petty patent in 2012 (Continuous Biodiesel Production System from High Free Fatty Acid Crude Palm Oil by Using Ultrasonic)

- Advisor of the winner of 2012 Thailand Robot Championship: Robot@Home, organized by Thai Robotics Society (TRS) & SCG

- Advisor of the best Innovative Inventor 2012, organized by BRAND’s Gen

2013                 Silver Medal: Movable Artificial Leg, 41st International Exhibition of Inventions of Geneva, Geneva, Switzerland, April 10-14, 2013. 

2012                 Outstanding Personnel of the Faculty of Engineering,

  Faculty of Engineering, Prince of Songkla University.

2012                 Winner of Thailand Robot@Home Championship 2012, Thai Robotics Society and Siam Cement Group, (Advisor of Team Dong Yang).

2012                 Winner of the Best Innovation: Automatic Movable Artificial Foot, The National Innovative Competition: Brands Gen 5 (2012), (Project Investigator and Advisor of the student)

2012                 Recognition Certificate in Research and Innovation Day 2012, Prince of Songkla University, for the following contributions

                        - Granted a petty patent in 2011 (The Bite Force Measuring Device)

                        - Advisor of the 3rd place Prince of Songkla University Innovation Award in Science and Technology (The Robot at Home)                        

2011                 Best Robot-Human Interface & First runner up: Thailand Robot@Home Championship 2011 (Event 2011-2012), Thai Robotics Society and Siam Cement Group, (Advisor of Team Dong Yang).

2011                 Lecturer Award of Department of Mechanical Engineering,

 Faculty of Engineering, Prince of Songkla University.

2010                Consolation prize: Innovation for Disability Persons, Wireless Head Mouse, Technology Street 2010, Modernine Television (Chanel 9 TV), MCOT Public Company Limited.

2010                Best Invention: Wireless Head Mouse, Faculty of Engineering, Prince of Songkla University.

2009                 Good Thesis: Ternary Composites from Natural Rubber and Conductive Nanofillers for Electronic Sensor (Co-advisor),

2009                 Outstanding Innovation Project: Wireless Head Mouse for Paralytic and Disability People, Faculty of Engineering, Prince of Songkla University.

2009                 Young Lecturer Award of Department of Mechanical Engineering,

Faculty of Engineering, Prince of Songkla University.

2008                 Visiting Research Fellow of the University of New South Wales, Australia.

2006                 Young Lecturer Award of Faculty of Engineering, Prince of Songkla University.

1998-2004        Ministry of Science and Technology Scholar.

 

Teaching:

·        Introduction of Robotics (217-451)

·        Principles of Robotics (215-672)

·        Vibration of Continuous Systems (215-627)

·        Advanced Topic on Robot Operating System (215-684)

·        System Modeling and Simulation (215-625)

·        Design of Electromechanical Systems (215-673)

·        Mechatronic System Design (217-461)

·        Finite Element Method (215-612)

·        Automatic Control Systems (215-352)

 

Major advisor of postgraduate students (graduated):

 

Suybangdum, P., (2007) Master Thesis – Analysis of Piezoelectric Actuators for Generating Traveling Wave in Finite Length Media

Pratoomsuwan, S., (2008) Minor Thesis – Implementation Improvement and Data Analysis of Online Vibration Monitoring Program in Gas Separation Plant

Kotchaplayuk, T., (2008) Master Thesis – Design of the Step-Down Piezoelectric Transformer

Vittayaphadung, N., (2010) Master Thesis – Validation of the Finite Element Model of the Piezoelectric Head Gimbal Assembly System for Vibration Analysis

Auysakul, J. (2012) Master Thesis – Position Control of the Dual-State Hard Disk Drive Head by Using Fuzzy-PID Controller

Suybangdum, P., (2012) Ph.D. Thesis – Reduction of Power Consumption in Ultrasonic Linear Motor for Linear Translation by Partially Laminated Actuators

Chammari, U., (2013) Master Thesis – Movement Control System of the Electronic Artificial Foot

Tangudomkit, K., (2013) Master Thesis – Analysis and Design of Piezoelectric Actuator for Sub-micrometer Aerosol Drug Delivery

 

Research:

 

2011-2013        Design and Testing of the Electronic Foot System, funded by Prince of Songkla University (PSU)

2010-2012        Characteristics of the Ultrasonic Motor with the Partially Laminated Piezoelectric Actuation, funded by the Thailand Research Fund (TRF)

2010-2011        Design and Analysis of the Piezoelectric Embedded Slider, funded by the Western Digital (Thailand), Co., Ltd. (WDC)

2009-2011      Response of the Dual-stage Piezoelectric Head Gimbal Assembly (HGA) to the Electrical Excitation, funded by NECTEC (Thailand) and I/UCRC in Hard Disk Drive Component, Khon Kaen University.

2008-2010        Validation of the Finite Element Model of Piezoelectric Head Gimbal Assembly System for Vibration Analysis, funded by NECTEC (Thailand) and I/UCRC in Hard Disk Drive Component, Khon Kaen University.

2007-2009        Minimization of Piezoelectric Actuators and Wave Propagation Behavior in Ultrasonic Piezoelectric Motors, funded by the Thailand Research Fund (TRF)

2005-2007        Piezoelectric Actuator Patterns and Wave Propagation in Ultrasonic Piezoelectric Curvilinear Motors, funded by the Thailand Research Fund (TRF)

2004-2007        Piezoelectric Actuators in a Braille Display Unit for Visually Impaired People, funded by the Braille Computer System Research Group, Faculty of Engineering and Multi-physics Research Group, Prince of Songkla University.

 

Experience:

2012-present     Research and development of a domestic service robot,

                          Team leader of the R&D project includes:

                          Robot structural design, ROS, mobile base, robot navigation and mapping,

                          SLAM, object recognition and voice recognition           

2014                 RoboCup Japan Open, @Home League, May 3–6, 2014 in Fukuoka, Japan, includes:

· Leader and advisor of Team Dong Yang, supported by PTTGC and PSU, Finished the 3rd rank of @Home League.

2014                 Workshop for Research into Aerial & Terrestrial Robotics,

                         March 18-21, 2014, Bangkok, Thailand, sponsored by the British Council and the Thailand Research Fund (TRF)

2013                 World RoboCup @Home, June 24 – July 1, 2013 in Eindhoven, Netherland, includes:

· Leader and advisor of Team Dong Yang, supported by SCG, PTTGC, Thai Airway and PSU Engineering Alumni, Finished the 11th rank of @Home League.

                        · Referee in the RoboCup@Home competition

2012                 23rd International Design Contest (IDC RoboCon 2012),

Aug 6-18, 2012 in Japan,

· The selected Thai instructor leads the national candidates of five students to participate the robot competition (supported by NSTDA).

2012                 World RoboCup @Home, June 18-24, 2012 in Mexico, includes:

· Leader and advisor of Team Dong Yang, supported by SCG and PSU,

  Finished the 11th rank of @Home League

· Referee in the RoboCup@Home competition

2011-2014        Organizing the  Southern Robot Design Contest,

  Prince of Songkla University, Thailand,

                        · Project Leader, design commentator and instructor

2008-2012        “Vibration Analysis and Response of the Dual-Stage Hard Disk Drive Head”, includes:

· Finite Element Analysis (MSC.Marc / COMSOL)

· Testing of Frequency Response

2008-2011        “Assistive technology: Wireless Head Mouse for Paralytic and Disability People”

2007-2010        “Biomedical sensor: Bite Force Measuring Device”:

(Thailand Petty Patent No. 6147)

2004-2009        “Assistive technology: Piezoelectric Braille Display”, includes:

· Force Response of Piezoelectric Actuator

· Rapid Prototype

2000-2009        “Electromechanical Analysis of Structronic System and Ultrasonic Spherical and Linear Motor”, includes:

· Theoretically study of structronic (piezoelectric) shell systems

· Ultrasonic Spherical Motors

· Curvilinear Piezoelectric Motors

· Simulation and analysis of the system dynamic responses

· Finite element analysis of structronic (piezoelectric) systems

  (ANSYS, MSC.MARC)

· Experiment of Piezoelectric Curvilinear Motors

2002-2003        Vice President of Thai Association of Kentucky

1999-2000              “Adaptive Fuzzy Control in Gas Tungsten Arc Welding Machine”, includes:

· Fuzzy Control

· Adaptive Control / Model Reference Adaptive Control

· Simulation (MATLAB) and analysis of dynamic systems

· Signal Processing

· Software Development (VC++)

1996                 “Simulation and Analysis of Heat Pump Dryer System”, includes:

· Systems modeling of heat pump dryer for agricultural products

· Software Development (C++)      

 

Professional Activities:

[I] Reviewer

·        ASME Journal of Vibration and Acoustics (2002-2004)

·        IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control (2014)

·        Journal of Sound and Vibration (2002-2004)

·        Journal of Intelligent Material Systems and Structures (2010,2011)

·        Mechanical Systems and Signal Processing (Journal of) (2002-2004,2008-2009,2013)

·        International Journal of Smart Engineering System Design (2000)

·        Smart Materials Research (2012)

·        Associate Editor and Reviewer of Songklanakarin Journal of Science and Technology (2008-2009, 2012)

·        Engineering Journal (2012)

·        KKU Engineering Journal (2013)

·        ASME International Mechanical Engineering Congress and Exposition (IMECE 2003)

·        The Conference of Mechanical Engineering Network of Thailand (ME-NETT) (2005-2007, 2011, 2013, 2014)

·        The 5th Asian Meeting on Electroceramics (AMEC-5) (2007)

·        Industry/University Cooperative Research Centers in Data Storage Technology and Applications, KMITL (Research Funding Agency) (2007,2009)

·        Industry/University Cooperative Research Center in Advanced Manufacturing, King Mongkut's University of Technology Thonburi (Research Funding Agency) (2008-2009)

·        Industry/University Cooperative Research Center in Hard Disk Drive Component, Khon Kean University (Research Funding Agency) (2009)

·        The International Data Storage Technology Conference (DST-CON) (2008-2009, 2011,2013)

·        TRS Conference on Robotics and Industrial Technology (CRIT) (2012, 2014)

·        The TSME International Conference on Mechanical Engineering (2013)

 

[II] Professional Membership

·        American Society of Mechanical Engineers (ASME): Member since 2002

·        ASME Dynamics and Control of Structures and Systems Technical Committee: (2004-2006)

·        ASME Dynamics and Control of Structures and Systems Group Member:  (2003-2008)

·        Thai Society of Mechanical Engineers (TSME): Member since 2005

·        Thai Robotics Society (TRS): Member since 2012

 

[III] Organizing International Workshop/Conference

·        Vice-Chairman of the 1st International Workshop on Artificial Life and Robotics 2005, May 14-15, 2005, Kangar, Malaysia and Hatyai, Thailand.

·        Committee of the Thailand Rescue Robot Championship 2005, Oct 2005.

·        Committee of the 19th Conference of Mechanical Engineering Network of Thailand (ME-NETT 2005), October, 19-21, 2005, Phuket, Thailand.

·        Program Chairman of the 2nd Regional Conference on Artificial Life and Robotics 2006, July 14-15, 2006, Songkhla, Thailand.

·        Session Chair of the International Data Storage Technology Conference (DST-CON 2009), May 13-15, 2009, NSTDA, Bangkok, Thailand.

·        Committee, Thailand  Robot@Home Championship, 2013-2014

·        Organizing Committee, World RoboCup 2014 @Home League

 

[IV] Visiting

·        Musashi Institute Technology, Tokyo, Japan, April 2004

·        Port and Airport Research Institute (PARI), Yokosuka, Japan, April 2004

·        Visiting Research Fellow of the University of New South Wales, Sydney, Australia, for a three-year period commencing March 2008

·        Tokyo Denki University, Tokyo, Japan, August 2012

·        Otto-von-Guericke-University Magdeburg, Germany, March 2013

·        Fraunhofer Institut (IFF), Magdeburg, Germany, March 2013

·        Osaka University, Osaka, Japan, May 2014

 

Publications:

Journal Papers

Tzou, H.S., Smithmaitrie, P. and Ding, J.H., (2002), “Micro-Sensor Electromechanics and Distributed Signal Analysis of Piezo(Electric)-Elastic Spherical Shells,” Mechanical Systems and Signal Processing (Journal of), Vol.16 (2-3), pp.185-199. (JIF2008: 1.984)

Tzou, H.S., Ding, J.H and Smithmaitrie, P., (2002), "Electric Circuit Design and Testing of Integrated Distributed Structronic Systems," Journal of Sound and Vibration, Vol. 257(5), pp. 931-943. (JIF2008: 1.364)

Smithmaitrie, P. and Tzou, H.S., (2004), "Micro-Control Actions of Actuator Patches Laminated on Hemispherical Shells," Journal of Sound and Vibration, Vol. 277(4-5), pp. 691-710. (JIF2008: 1.364)

Chai, W. K., Smithmaitrie, P. and Tzou, H. S., (2004), “Neural Potentials and Micro-Signals of Nonlinear Deep and Shallow Conical Shells,” Mechanical Systems and Signal Processing (Journal of), Vol. 18, pp. 959-975. (JIF2008: 1.984)

Smithmaitrie, P. and Tzou, H.S., (2005), "Electro-Dynamics, Micro-Actuation and Design of Ultrasonic Curvilinear Arc Stators," Journal of Sound and Vibration, Vol. 284(3-5), pp. 635-650. (JIF2008: 1.364)

Smithmaitrie, P., (2006), “Analysis and Dynamic Responses of a Piezoelectric Micro-Grip for Laparoscopic Surgery Application,” Papers of Technical Meeting on Medical and Biological Engineering, IEE Japan, Vol. MBE-06, No. 95-115, pp. 71-75.

Smithmaitrie, P., DeHaven, J.G., Higuchi, K. and Tzou, H.S., (2007), “Vibration Response and Harmonic Wave Propagation of Ultrasonic Arc Drivers,” Mechanical Systems and Signal Processing (Journal of), Vol. 21(2), pp. 1174-1187. (JIF2008: 1.984)

Thongruang, W., Ritthichaiwong, C., Bunnaul, P., Smithmaitrie, P. and Chetpattananondh, K., (2008), “Electrical and Mechanical Properties of Ternary Composites from Natural Rubber and Conductive Fillers,” Songklanakarin Journal of Science and Technology, Vol. 30(3), pp.361-366.

Smithmaitrie, P., Suybangdum, P., Muensit, S. and Tzou, H.S., (2008), “Wave Propagations of Curvilinear Motors Driven by Partially Laminated Piezoelectric Actuators,” Smart Materials and Structures, Vol. 17(6), 065015 (10pp). (JIF2008: 1.743)

Smithmaitrie, P., Kanjantoe, J. and Tandayya, P., (2008), “Touching Force Response of the Piezoelectric Braille Cell,” Disability and Rehabilitation (Journal of): Assistive Technology, Vol. 3(6), pp. 360-365. (JIF2008: 1.395)

Smithmaitrie, P., Muensit, S. and Tzou, H.S., (2009), “Design and Testing of Piezoelectric Circular Arc Driver,” Journal of Intelligent Material Systems and Structures, Vol. 20(12), pp. 1493-1502. (JIF2008: 1.293)

Thongudomporn, U., Smithmaitrie, P., Chongsuvivatwong , V. and Geater, A.F., (2010), “Design and Evaluation of a Force Sensing Resistor Based Bite Force Measuring Device,” International Journal of Biomedical Engineering and Technology, Vol. 4(1), pp. 78-87.

Vittayaphadung, N. and Smithmaitrie, P., (2012), “Effect of Vibration on the Off-track Positioning of the Piezoelectric Head Gimbal Assembly in Hard Disk Drive,” KKU Engineering Journal, Vol. 39, pp. 1-10. [in Thai]

Somnuk, K., Smithmaitrie, P. and Prateepchaikul, G. (2012),  “Feasibility of using Ultrasound-Assisted Biodiesel Production from Degummed-Deacidified Mixed Crude Palm Oil using Small-Scale Circulation,” Kasetsart Journal - Natural Science, Vol.46(4), pp. 662-669.

Smithmaitrie, P., Suybangdum, P., Laoratanakul, P. and Muensit, N., (2012), “Design and Performance Testing of an Ultrasonic Linear Motor with Dual Piezoelectric Actuators,” IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 59(5), pp. 1033-1042. DOI 10.1109/TUFFC.2012.2289 (JIF2011: 1.462)

Somnuk, K., Smithmaitrie, P. and Prateepchaikul, G., (2013), “Optimization of Continuous Acid-Catalyzed Esterification for Free Fatty Acids Reduction in Mixed Crude Palm Oil Using Static Mixer Coupled with High-Intensity Ultrasonic Irradiation,” Energy Conversion and Management, Vol. 68, pp. 193-199. (JIF2012: 2.775)

Somnuk, K., Smithmaitrie, P. and Prateepchaikul, G., (2013), “Two-stage Continuous Process of Methyl Ester From High Free Fatty Acid Mixed Crude Palm Oil Using Static Mixer Coupled with High-intensity of Ultrasound,” Energy Conversion and Management, Vol. 75, pp. 302-310. (JIF2012: 2.775)

 

Books/Chapters

Smithmaitrie, P., 2000, Adaptive Fuzzy Voltage Control in Gas Tungsten Arc Welding, M.Sc. Thesis, Vanderbilt University, Tennessee, USA.

Smithmaitrie, P., 2004, Micro-Sensing and Control Characteristics of a Structronic Spherical Shell System Applied to an Ultrasonic Spherical Motor System, Ph.D. Thesis, University of Kentucky, Kentucky, USA.

Ngamsritragul P. and Smithmaitrie, P. (Ed.), Proceedings of the 2nd Regional Conference on Artificial Life and Robotics, July 14-15, 2006, Songkhla, Thailand, 2006.

Smithmaitrie, P., 2008, Robotics and Technology, Prince of Songkla University, Thailand. [in Thai]

Smithmaitrie, P., 2009, “Analysis and Design of Piezoelectric Braille Display,” Rehabilitation Engineering, Y.K. Tan (Ed.), INTECH Education and Publishing, ISBN 978-953-307-023-0, December 2009, pp. 49-62. Available from: http://sciyo.com/articles/show/title/analysis-and-design-of-piezoelectric-braille-display?PHPSESSID=n3tp39ie4s4op55o4chno7t426

Smithmaitrie, P., 2011, “Vibration Theory and Design of Piezoelectric Energy Harvesting Structures,” Energy Harvesting with Piezoelectric and Pyroelectric Materials, N. Muensit (Ed.), Trans Tech Publications Ltd, Switzerland, ISBN-13: 978-0-87849-159-9, Vol. 72, Materials Science Foundations, ISSN 1422-3597, pp. 58-81.

 

Patents/Petty Patents                                                                          

Smithmaitrie, P. and Tzou, H.S., 2007, Piezoelectric Curvilinear Motor, Patent Pending. Thailand Patent Application No. 0501003041. Publication bulletin. 2007/82395.

Smithmaitrie, P. and Udom, T., Bite Force Measuring Device, Thailand Petty Patent No. 6147.

Bunnaul, P., Thongruang, W., Chetpattananondh, K., Smithmaitrie, P. and Nooklay, B., Material of Conductive Composite Rubber for Force and Pressure Sensors, Thailand Patent Application No. 0801005070.

Smithmaitrie, P., Auysakul, J. and Kiang-ia, A., Apparatus and Method of Mouse Control with Head, Thailand Patent Application No. 0901003288.

Smithmaitrie, P., Chamri, U., Apparatus and Method of Angle Adjustment and Lock Mechanism by Movement, Thailand Patent Application No. 1101001318.

Somnuk, K., Smithmaitrie, P. and Prateepchaikul, G., Continuous Biodiesel Production System from High Free Fatty Acid Crude Palm Oil by Using Ultrasonics, Thailand Petty Patent No. 7268.

Smithmaitrie, P. and Limpanasil S., Kinetics and Radio Wave Energy Harvesting Device, Thailand Patent Application No. 1301006890.

 

Conference Papers

Smithmaitrie, P., Koseeyaporn, P., Cook, G.E., and Strauss, A.M., (2000), “Adaptive Fuzzy Voltage Control in GTAW”, Proceedings of the Mechatronics 2000 Conference, The 7th Mechatronics Forum International Conference, Sep 6-8, 2000, Atlanta, Georgia, USA. CD-ROM, (M2000-262).

Smithmaitrie, P., Koseeyaporn, P., Cook, G.E., and Strauss, A.M., (2001), “Model Reference Adaptive Fuzzy Voltage Control in GTAW”, Smart Engineering System Design: Neural Networks, Fuzzy logic, Evolutionary Programming, Data Mining and Complex Systems--Proceedings of the Artificial Neural Networks in Engineering Conference (ANNIE 2001), Vol. 11, pp.235-240.

Tzou, H.S. and Smithmaitrie, P., (2001), "Sensor Electromechanics and Distributed Signal Analysis of Piezo(electric)-Elastic Spherical Shells Based on the bending approximation", Proceeding of ASME Design Engineering Technical Conferences and 18th Biennial Conference on Mechanical Vibration and Noise, CD-ROM (DETC2001/VIB21494).

Koseeyaporn, P., Smithmaitrie, P., Cook, G.E. and Strauss A. M., (2002) “Intelligent Arc Voltage Control”, The 6th International Conference on Trends in Welding Research, April 15-19, 2002, Pine Mountain, Georgia.

Smithmaitrie, P. and Tzou, H.S., (2002), "Micro-Control Actions of Actuator Patches Laminated on Hemispherical Shells ", Active Control of Vibration and Noise--2002 ASME International Mechanical Engineering Congress and Exposition, Nov 17-22, 2002, New Orleans, Louisiana. CD-ROM (IMECE2002/33570)

Chai, W. K., Smithmaitrie, P. and Tzou, H. S., (2002) “Micros-Signals and Modal Potentials of Nonlinear Deep and Shallow Conical Shells” 2002 ASME International Mechanical Engineering Congress and Exposition, Nov 17-22, 2002, New Orleans, Louisiana. CD-ROM (IMECE2002/33940)

Smithmaitrie, P. and Tzou, H.S., (2003) “Electro-Dynamics and Micro-Actuation of Ultrasonic Curvilinear Arc Stators” 2003 ASME International Mechanical Engineering Congress and Exposition, Nov 16-21, 2003, Washington, D.C. (IMECE2003-42409)

Smithmaitrie, P., DeHaven, J.G., Higuchi, K. and Tzou, H.S., (2003) “Harmonic Wave Propagation of Ultrasonic Arc Stators” 2003 ASME International Mechanical Engineering Congress and Exposition, Nov 16-21, 2003, Washington, D.C. (IMECE2003-42417)

Smithmaitrie, P., (2005) “Fuzzy Logic Control of Integrated Distributed Structronic System,” Proceeding of the 2nd International Conference on Mechatronics (ICOM’05), May 10-12, 2005, Kuala Lumpur, Malaysia. Vol.1, pp. 373-380.

Smithmaitrie, P. and Tzou, H.S., (2005) “Harmonic Wave Propagation and Testing of Ultrasonic Arc Driver,” 2005 ASME International Mechanical Engineering Congress and Exposition, Nov 5-11, 2005, Orlando, FL. (IMECE2005-79103)

Suybangdum, P. and Smithmaitrie, P., (2006), “Analysis of Piezoelectric Actuator Locations for Generating Traveling Wave on an Ultrasonic Curvilinear Motor’’, Proceedings of the 2nd Regional Conference on Artificial Life and Robotics, July 14-15, 2006, Songkhla, Thailand, pp. 53-57.

Kotchaplayuk T. and Smithmaitrie, P., (2006), “Natural Frequencies and Vibration Mode Shapes of Piezoelectric Elements in Piezoelectric Transformers’’, Proceedings of the 2nd Regional Conference on Artificial Life and Robotics, July 14-15, 2006, Songkhla, Thailand, pp. 49-52.

Suybangdum, P. and Smithmaitrie, P., Dechwayukul, C. and Muensit, S., (2006), “A Study of Vibration Characteristic of Curvilinear Ultrasonic Motors By Using Finite Element Method’’, Proceedings of the 20th Mechanical Engineering Network of Thailand, October 18-20, 2006, Nakornrachasrima, Thailand (DRC005)

Smithmaitrie, P. and Tzou, H.S., (2006) “Electodynamic Characteristics of Ultrasonic Spherical Motors”, Proceeding of the 17th International Conference on Adaptive Structures and Technologies (ICAST-2006), October 16-19, 2006, Taipei, Taiwan, pp. 388-395.

Smithmaitrie, P., (2006), “Analysis and Dynamic Responses of a Piezoelectric Micro-Grip for Laparoscopic Surgery Application”, Proceedings of the 2nd International Symposium on Biomedical Engineering, November 8-10, 2006, Bangkok, Thailand, pp. 218-222.

Smithmaitrie, P., Kanjantoe, J. and Tandayya, P., (2007), “Touching Force Response of the Piezoelectric Braille Cell”, Proceeding of the International Convention for Rehabilitation Engineering & Assistive Technology (ICREATE-2007), April 23-26, 2007, Singapore, pp. 174-178.

Suybangdum, P., Smithmaitrie, P. and Laoratanakul, P., (2008), “Effect of Stator Stiffness for Generating Traveling Wave on an Ultrasonic Curvilinear Motor,” Proceedings of the 22nd Mechanical Engineering Network of Thailand, October 15-17, 2008, Thammasat University, Pathumthani, Thailand (DRC034)

Suybangdum, P., Smithmaitrie, P. and Laoratanakul, P., (2009), “Dual Piezoelectric Actuators for the Traveling Wave Ultrasonic Linear Motor,” Proceedings of the 4th International Conference on Experimental Mechanics (ICEM2009), November 18-20, 2009, Singapore (ICEMA00321-00511)

Suybangdum, P., Smithmaitrie, P. and Laoratanakul, P., (2010), “Dual Piezoelectric Actuators for the Traveling Wave Ultrasonic Linear Motor,” Proceedings of SPIE - The International Society for Optical Engineering , Vol. 7522, Article number 75223I

Vittayaphadung, N. and Smithmaitrie, P., (2010), “Validation of the Finite Element Model and Vibration Characteristic of the Piezoelectric Head Gimbal Assembly,” Proceeding of the 12th International Conference on Computer Modelling and Simulation (UKSim2010), March 24-26, 2010, Cambridge, England, pp.375-379. (ID-1569273205)

Wae-Sayee, M., Jring-jit, B., Smithmaitrie, P. and Nuntadusit, C., (2010), “A Study of Heat Transfer Characteristic on a Surface of a Piezoelectric Fan,” Proceeding of the 8th PSU-Engineering Conference (PEC8), April 22-23, 2010, Hatyai, Thailand, pp.726-731. (PEC8OR070) [in Thai]

Kanjanaporn, W., Maliwan, K. and Smithmaitrie, P., (2010), “The Effect of Mechanical Vibration on Minimum Fluidization Velocity,” Proceeding of the 8th PSU-Engineering Conference (PEC8), April 22-23, 2010, Hatyai, Thailand, pp.769-733. (PEC8OR166) [in Thai]

Chammari, U., Vittayaphadung, N. and Smithmaitrie, P., (2010), “Prediction of Human Gait Using the Linear Acceleration and Angular Velocity of the Foot,” Proceeding of the 8th PSU-Engineering Conference (PEC8), April 22-23, 2010, Hatyai, Thailand, pp.786-790. (PEC8OR191) [in Thai]

Auysakul, J. and Smithmaitrie, P., (2010), “System Identification and PID Controller of the Dual-Stage Actuator for Hard Disk Drive Positioning,” Proceeding of the 3rd International Data Storage Technology Conference, July 30-Aug 1, 2010, Bangkok, Thailand, pp.238-241. (DST-CON2010-0025)

Somnuk, K., Smithmaitrie, P., and Prateepchaikul, G., (2012), “Feasibility Study of Using the Ultrasound Asisted reduction of Acid Value in Mixed Crude Palm Oil by Acid-catalyzed Esterification,” Proceeding of the 10th International PSU Engineering Conference (IPEC-10), May 14-15, 2012, Hat Yai, Songkhla, Thailand, pp.74 (ID50)

Tangudomkit, K., Sookgaew, J., and Smithmaitrie. P., (2012), “The Multiphysics Modeling of Droplet Generation in the Ultrasonic Nebulization,” Proceeding of the 10th International PSU Engineering Conference (IPEC-10), May 14-15, 2012, Hat Yai, Songkhla, Thailand, pp.75 (ID51)

Chanchaichujit, P., KanjanaKaew, E. and Smithmaitrie, P., (2012), “Appearance Design of a Robot for In-House Applications (การออกแบบลักษณะภายนอกของหุ่นยนต์เพื่อใช้งานร่วมกับมนุษย์ภายในบ้าน),” 2012 TRS Conference on Robotics and Industrial Technology (CRIT 2012), Nov 28-29, 2012, Nakorn Pathom, Thailand, pp. 121-125. [in Thai]

Bomlai, P., Rachawana, A., and Smithmaitrie, P., (2012), “Design and Inverse Kinematic of a Robot Arm and Gripper for Robots at Home Applications (การออกแบบและสมการอินเวอร์สคิเนเมติกส์สาหรับแขนกลและมือจับของหุ่นยนต์ทำงานภายในบ้าน) ,” 2012 TRS Conference on Robotics and Industrial Technology (CRIT 2012), Nov 28-29, 2012, Nakorn Pathom, Thailand, pp. 22-26. [in Thai]

Kongsujarit, T. and Smithmaitrie, P., (2014), “Implementation of the Cosine Rule Technique on Human Tracking with a 2D Laser Range Finder,” 2014 TRS Conference on Robotics and Industrial Technology (CRIT 2014), Jun 12-13, 2014, Bangkok, Thailand, pp. 5-8.

Kanjanakaew, E. and Smithmaitrie, P., (2014), “Selection of Camera Position and Image Processing Techniques for Objects Recognition of a Home Service Robot,” 2014 TRS Conference on Robotics and Industrial Technology (CRIT 2014), Jun 12-13, 2014, Bangkok, Thailand, pp. 9-13.

 

Presentations:

Oral Presentations

“Adaptive Fuzzy Voltage Control in GTAW”, The 7th Mechatronics Forum International Conference, Sep 6-8, 2000, Atlanta, Georgia.

“Model Reference Adaptive Fuzzy Voltage Control in GTAW”, Artificial Neural Networks in Engineering Conference (ANNIE 2001), Nov 4-7, 2001, St. Louis, Missouri

"Sensor Electromechanics And Distributed Signal Analysis of Piezo(electric)-Elastic Spherical Shell Based on the bending approximation", ASME Design Engineering Technical Conferences and 18th Biennial Conference on Mechanical Vibration and Noise, Sept.9-12, 2001, Pittsburgh, PA.

“Micros-Signals And Modal Potentials of Nonlinear Deep and Shallow Conical Shells” 2002 ASME International Mechanical Engineering Congress and Exposition, Nov17-22, 2002, New Orleans, Louisiana.

"Micro-Control Actions of Actuator Patches Laminated on Hemispherical Shells ", Active Control of Vibration and Noise--2002 ASME International Mechanical Engineering Congress and Exposition, Nov17-22, 2002, New Orleans, Louisiana.

“Electro-Dynamics and Micro-Actuation of Ultrasonic Curvilinear Arc Stators” 2003 ASME International Mechanical Engineering Congress and Exposition, Nov 16-21, 2003, Washington, D.C.

“Harmonic Wave Propagation of Ultrasonic Arc Stators” 2003 ASME International Mechanical Engineering Congress and Exposition, Nov 16-21, 2003, Washington, D.C.

“Control of Static Shape, Dynamic Oscillation, and Thermally Induced Vibration of Nozzles” 2003 ASME International Mechanical Engineering Congress and Exposition, Nov 16-21, 2003, Washington, D.C.

 “Fuzzy Logic Control of Integrated Distributed Structronic System” The 2nd International Conference on Mechatronics (ICOM’05), May 10-12, 2005, Kuala Lumpur, Malaysia

“Harmonic Wave Propagation and Testing of Ultrasonic Arc Driver,” 2005 ASME International Mechanical Engineering Congress and Exposition, Nov 5-11, 2005, Orlando, FL USA.

“Analysis and Dynamic Responses of a Piezoelectric Micro-Grip for Laparoscopic Surgery Application”, Proceedings of the 2nd International Symposium on Biomedical Engineering, November 8-10, 2006, Bangkok, Thailand.

“Piezoelectric Actuator Patterns and Wave Propagation in Ultrasonic Piezoelectric Curvilinear Motors,” The Meeting of TRF New Researchers Meet Senior Researchers, Oct 11-13, 2007, Chonburi, Thailand, pp. 146. (O-ENG-E01)

 

Poster Presentations

Lilapantisit, P. and Smithmaitrie, P., (2004) “Finite Element Analysis of Stress and Strain Distributions of Solid Tires,” The 3rd PSU-Engineering Conference (PEC-3), Dec 8-9, 2004, Hatyai, Songkla, Thailand, pp.121. (PME01)

Smithmaitrie, P., (2006) “Piezoelectric Actuator Patterns and Wave Propagation in Ultrasonic Piezoelectric Curvilinear Motors,” The Meeting of TRF New Researchers Meet Senior Researchers, Oct 12-14, 2006, Cha-am, Petchburi, Thailand,  pp. 288. (P-S3A-12)

Smithmaitrie, P. and Muensit, S., (2008) “Minimization of Piezoelectric Actuators and Wave Propagation Behavior in Ultrasonic Piezoelectric Motors,” The Meeting of TRF New Researchers Meet Senior Researchers, Oct 16-18, 2008, Cha-am, Petchburi, Thailand,  pp. 562. (PJ-ENG-10)

Smithmaitrie, P., (2009) “Analysis and Design of the Traveling Wave Ultrasonic Motor with Partially Laminated Piezoelectric Actuators,” The Meeting of TRF New Researchers Meet Senior Researchers, Oct 15-17, 2009, Cha-am, Petchburi, Thailand,  pp. 603. (PJ-ENG-B04)

Smithmaitrie, P., (2012) “Characteristics of the Ultrasonic with the Partially Laminated Piezoelectric Actuation,” The Meeting of TRF New Researchers Meet Senior Researchers, Oct 10-12, 2012, Cha-am, Petchburi, Thailand.