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Eye tracking system for Ophthalmic Operating Microscope

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Eye tracking system for Ophthalmic Operating Microscope

SICE Annual Conference

作者： Suthum Keerativittayanun Kanokwan Rakjaeng Toshiaki Kondo Waree Kongprawechnon Kanokvate Tungpimolrut Teesid Leelasawassuk Thailand Advance Institute of Science and Technology-Tokyo Tech (TAIST-Tokyo Tech) Sirindhorn International Institute of Technology Thammasat University Pathum Thani Thailand Industrial Control and Automation Laboratory National Electronics and Computer Technology Center Pathum Thani Thailand

Eye tracking is widely useful in several fields especially in medical field to help human diagnosis and treatment. The proposed of this study is to develop eye tracking system using intensity measurement algorithm and apply into ophthalmic operating microscope. The proposed method has been proved to be accurate, reliable, and stable.

关键词： Microscopy Tracking Switches Image processing Iris Foot Pixel Humans Position measurement Real time systems

Stereo based vision system for cardiac auscultation tele-diagnostic system

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Stereo based vision system for cardiac auscultation tele-dia...

SICE Annual Conference

作者： S. Kumpituck W. Kongprawechnon T. Kondo I. Nilkhamhang K. Tungpimolrut A. Nishihara Sirindhron International Institute of Technology Thammasat University Maung Pathum Thani Thailand National Electronics and Computer Technology Center Industrial Control and Automation Laboratory Klong Luang Pathum Thani Thailand Center of Research and Development of Educational Technology Tokyo Institute of Technology Meguro Tokyo Japan

关键词： Machine vision Humans Stethoscope Stereo vision Biological system modeling Computational modeling Image reconstruction Cameras Calibration Computational geometry

Torque Compensation for Switched Reluctance Drives

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11th International Conference on Electrical Machines and Systems

作者： Tungpimolrut, Kanokvate Pupadubsin, Ruchao Chayopitak, Nattapon Kachapornkul, Seubsuang Jitkreeyarn, Prapon Somsiri, Pakasit Industrial Control and Automation Laboratory National Electronics and Computer Technology Center Thailand

ISBN: (纸本)9787506292214

In this paper a torque compensation technique for switched reluctance motor (SRM) is proposed. The conventional torque control with a simple current control loop usually causes large torque ripples and affects the speed response and overall performance of the drive system. The proposed torque compensation method is based on a torque estimation technique using the inductance profile and squared value of the motor phase currents. The effectiveness of the proposed method is verified by simulation results of a 1.5 kW, 3-phase, 6-stator-pole and 4-rotor-pole SRM.

关键词： Switched reluctance motor variable speed drive system torque ripple torque compensation

Preface of the 2010 IAENG International Conference on Electrical Engineering special session: Design, analysis and tools for integrated circuits and systems

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Proceedings of the International MultiConference of Engineer...

Proceedings of the International MultiConference of Engineers and computer Scientists 2010, IMECS 2010 2010年 1333-1335页

作者： Man, Ka Lok Mercaldi, Michele Hahanov, Vladimir Prinetto, Paolo Poncino, Massimo MacIi, Alberto Choi, Joongho Li, Wei Schellekens, Michel Popovici, Emanuel Seon, Jong-Kug Rossi, Umberto Fummi, Franco Pravadelli, Graziano Lam, Yui Fai PavLov, Vladimir Patel, Ajay Huang, Jinfeng Vallee, Thierry Boubekeur, Menouer Sokolova, Ana Almerares, Sergio Donno, Monica Cho, Jun-Dong Zahirul Alam, A.H.M. Provan, Gregory Velev, Miroslav N. Uddin, M. Nasir Botchkarev, Alexei Bosnacki, Dragan Hickey, Dave O'Keeffe, Maria Krilavičius, Tomas Pastrnak, Milan Herbert, John Lu, Zhe-Ming Pan, Jeng-Shyang Chang, Chin-Chen Horng, Mong-Fong Chen, Liang Lim, Chee-Peng Tao, Ngo Quoc Deb, Suash Merniz, Salah Valero, Oscar Yi, Yang Woods, Damien Vedrine, Franck Monsuez, Bruno Yen, Kang Matsuura, Takenobu Edwards, R. Timothy Tveretina, Olga Fino, Maria Helena O'Riordan, Adrian Patrick Labiak, Grzegorz Gaur, M.S. Chang, Jian Chung, Yeh-Ching Derezinska, Anna Cho, Kyoung-Rok Zhang, Yong Liutkevičius, R. Zeng, Yuanyuan Vasudevan, D.P. Bukowiec, Arkadiusz Kitsos, Paris Goudarzi, Maziar Dong, Jin Song Bhalla, Ateet Al-Khalili, Dhamin Navabi, Zainalabedin Zinchenko, Lyudmila Anjum, Muhammad Almas Narasimha, Deepak Laxmi Hughes, Danny Tadjouddine, Emmanuel M. Wang, Jun Kumar, A.P. Sathish Jaisankar, N. Mansoor, Atif Hollands, Steven Mohammadi, Siamak Klein, Felipe Westermann, Peter English, Tom Planas, Miquel Moreto Chung, Chelho Chakrabarti, Amlan Lei, Chi-Un Bamakhrama, Mohamed Naik, B. Rajendra Harte, Sean Yin, Alexander Giancardi, Luigi El-Din Mady, Alie Joseph, Arun Khandekar, Prasad D. Pandey, Hari Mohan Bharti, Vishal O'Mullane, Monica Chen, Chen Xi'an Jiaotong University China Liverpool University United Kingdom Kharkov National University of Radio Electronics Ukraine Politecnico di Torino Italy University of Seoul Korea Republic of Fudan University China Tyndall University College Cork Ireland System LSI Lab. LS Industrial Systems R and D Center Korea Republic of STMicroelectronics Italy University of Verona Italy Hong Kong University of Science and Technology Hong Kong Hong Kong International Software and Productivity Engineering Institute United States Intelligent Support Ltd. United Kingdom Philips and LiteOn Digital Solutions Netherlands Netherlands Georgia Southern University Statesboro GA United States University of Salzburg Austria Sung Kyun Kwan University Korea Republic of International Islamic University Malaysia Malaysia Aries Design Automation United States Lakehead University Canada IEEE Canada Board of Directors Canada Eindhoven University of Technology Netherlands Vytautas Magnus University Lithuania Siemens IT Solutions and Services Slovakia Sun Yat-Sen University China National Kaohsiung University of Applied Sciences Taiwan Feng Chia University Taiwan Shu-Te University Taiwan University of Northern British Columbia Canada University of South Australia Australia Vietnamese Academy of Science and Technology Viet Nam C. V. Raman College of Engineering India Mentouri University Constantine Algeria University of Balearic Islands Spain University of Seville Spain CEA France ENSTA France Florida International University United States Tokai University Japan MultiGiG Inc. United States Karlsruhe University Germany Universidade Nova de Lisboa Portugal University of Zielona Gora Poland Malaviya National Institute of Technology Jaipur India Texas Instruments Inc. United States National Tsing-Hua University Taiwan Warsaw University of Technology Poland Chungbuk National University Korea Republic of Shenzhen University China Vytautas Magnus University Kaunas Lithuania Hellenic Open Univ

Torque Compensation for Switched Reluctance Drives

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第11届国际电机与系统学术会议

作者： Kanokvate Tungpimolrut Ruchao Pupadubsin Nattapon Chayopitak Seubsuang Kachapornkul Prapon Jitkreeyarn Pakasit Somsiri Industrial Control and Automation Laboratory National Electronics and Computer Technology Center

In this paper a torque compensation technique for switched reluctance motor(SRM) is *** conventional torque control with a simple current control loop usually causes large torque ripples and affects the speed response and overall performance of the drive *** proposed torque compensation method is based on a torque estimation technique using the inductance profile and squared value of the motor phase *** effectiveness of the proposed method is verified by simulation results of a 1.5 kW,3-phase,6-stator-pole and 4-rotor-pole SRM.

关键词： Switched reluctance motor variable speed drive system torque ripple torque compensation

Torque Compensation for Switched Reluctance Drives

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11th International Conference on Electrical Machines and Systems(第11届国际电机与系统会议)

关键词： Switched reluctance motor variable speed drive system torque ripple torque compensation

Simple Predictive Delta-Modulation Current Regulator for Switched Reluctance Motor

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Simple Predictive Delta-Modulation Current Regulator for Swi...

11th International Conference on Electrical Machines and Systems

作者： Ruchao Pupadubsin Pakasit Somsiri Nattapon Chayopitak Seubsuang Kachapornkul Prapon Jitkreeyarn Kanokvate Tungpimolrut. Industrial Control and Automation Laboratory National Electronics and Computer Technology CenterThailand

Ⅰ.INTRODUCTION Various merits of the switched reluctance motor(SRM), such as rugged low-cost construction,no permanent magnet inside,high reliability and good performance over a wide speed range,makes it a competitor... 详细信息

关键词： Simple Predictive Delta-Modulation Current Regulator for Switched Reluctance Motor PCC Delta

Eye Tele-Analyzer system

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Eye Tele-Analyzer system

International Conference on Electrical Engineering/electronics, computer, Telecommunications and Information technology, ECTI-CON

作者： Kamonwan Tanta-ngai Teesid Leelasawassuk Prakob Komeswarakul Wuttikorn Chaopramualkul Industrial Control and Automation Laboratory National Electronics and Computer Technology Center Pathum Thani Thailand

Slit lamp microscope, which is widely used to diagnose the problem of patientspsila eye, has been applied as a major component to develop a telediagnosis system called the eye tele-analyzer. This equipment has been modified in mechanical structure, electronic design, and software architecture and application to be remotely controlled by any ophthalmologist working at the center hospital through the Internet to communicate with a doctor assistance working with the patients in the rural area. The developed system has been tested in laboratory providing good functional results corresponding to the current requirement to help the ophthalmologists and patients.

关键词： Servers computers Graphical user interfaces Internet Hospitals Microscopy Digital cameras

Torque Compensation for Switched Reluctance Drives

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11th International Conference on Electrical Machines and Systems

作者： Kanokvate Tungpimolrut Seubsuang Kachapornkul Prapon Jitkreeyarn Pakasit Somsiri Ruchao Pupadabsin Nattapon Chayopitak Industrial Control and Automation Lab National Electronics and Computer Technology CenterNational Science and Technology Development AgencyThailand

Ⅰ.INTRODUCTION Various merits of the Switched Reluctance Motor(SRM), such as simple and low-cost structure,no permanent magnet, easy cooling,high reliability and a wide speed range,make it a competitor to other drives for the propulsion systems of electric vehicles(EV) and hybrid vehicles(HV).Also,its performance can be easily adjusted for various load profiles.

关键词： SRM Torque Compensation for Switched Reluctance Drives