YEN-S LAI
1YEN-SHIN LAIChair Professor, Fellow IEEEHonorary President, Taiwan Power Electronics AssociationFounder, Center for Power Electronics er/teacher2.php?tsn 7National Taipei University of TechnologyDepartment of Electrical Engineering1, Sec. 3, Chung-Hsiao E. Rd., Taipei, 106, TaiwanE-mail: yslai@ntut.edu.twPhone: 886-2-27719442Fax: 886-2-27317187Education:Ph. D. 1995MS1987Dept. of Electrical and Electronic Eng., Bristol University, England, UKDept. of Electronic Eng., NTUST, Taipei, TaiwanInnovation:First proposal of sub-optimal two-phase/three-phase PWM for inverter-controlled motor drivesFirst proposal of random PWM technique with constant sampling frequency for closed-loop motor drivesFirst proposal of optimal PWM technique common-mode voltage reduction of inverter-controlled motor drivesFirst proposal of initial position detection technique of BLDC motor drives without requiring current sensorFirst proposal of tri-nary multilevel inverter/converter to give the maximum output level for the same stagesFirst proposal of virtual-stage PWM for multilevel inverterFirst proposal of conduction loss reduction PWM technique for BLDC motor drivesFirst proposal of wide speed range control technique for sensor-less BLDC motor drivesFirst proposal of field weakening control technique for AC motor drives to achieve hexagonal trajectoryFirst proposal of on-line parameter tuning technique for predictive digital power converterFirst proposal of two-dimensional random PWM technique with constant sampling frequency for converterEmployment and Research Experience:2016 – 2019President, Taiwan Power Electronics Association2016– 2018Chair, Electrical Power Engineering Division, Ministry of Science and Technology, Taiwan2016 – 2019Chair Professor, National Taipei University of Technology, Taiwan2016 –Lifetime Distinguished Professor, National Taipei University of Technology, Taiwan1
22013 – 2016Chair/Distinguished Professor, National Taipei University of Technology, Taiwan2013 – 2014Distinguished Researcher, Industry Technology Research Institute, Hsin-Chiu, Taiwan2011 – 2011Visiting Professor, Virginia Tech., USA2006 – 2012Distinguished Professor, National Taipei University of Technology, Taiwan1999 – PresentProfessor, National Taipei University of Technology, Taiwan2003 – 2006Chairman, Department of Electrical Engineering, National Taipei University of Technology,Taiwan1996 – 1999Associate Professor, National Taipei University of Technology, Taiwan1987 – 1996Lecturer, National Taipei University of Technology, Taiwan1984 – 1985Engineer, BES Engineering Cooperation, Taipei, Taiwan1982 – 1984Second Lieutenant, Air Force, Taiwan.Professional Society Activities:2020 –Co-Editor-in-Chief, IEEE Trans. on Industrial Electronics2019 –Editor, IEEE Journal of Emerging and Selected Topics in Power Electronics (IEEE JESTPE)2019General Co-Chairs, IEEE IFEEC, Singapore, 20192019International Steering Committee, ECCE Asia, Korea, 20192018IEEE PEAC Technical Program Co-Chairs, China, 20182018ACEPT International Steering Committee, Singapore, 20182018Vice-Co Chairs, Steering Committee, IPEC-Niigata/ECCE-Asia, Japan, 20182018Invited Plenary Speaker, IPEC-Niigata/ECCE-Asia, 2018, Niigata, Japan2018Member, IPEC-Niigata/ECCE-Asia Takahashi Award Committee, 20182017Invited Keynote Speaker, 6th International Conference on Renewable Energy Research andApplications, San Diego, USA2017Invited Keynote Speaker, 2nd Gwinstek Cross Strait Power Electronics Symposium,Shanghai, China2017International Steering Committee (ISC), 2nd Asian Conference on Energy, Power andTransportation Electrification (ACEPT)2017General Co-Chairs, IEEE IFEEC - ECCE Asia, 20172017Track Co-Chairs, IEEE IECON 20172017-2019Associate Editor, IEEE Trans. on Industrial Informatics2016Technical Program Co-Chair, IEEE ICIT 20162016Associate Editor, Electrical Power Engineering, IET2016Track co-Chairs, IEEE IECON20162016Track co-Chairs, IEEE International Conference on Electrical Machines (ICEM)2
32016IEEE International conference on Power Electronics, Drives and Energy Systems (PEDES),20162015Council Members, IEEE Industry Application Society 20152015ECCE Steering Committee, TC Committee Chair -Industrial Drives, IEEE 20152015Member, 2015 IEEE IAS Gerald Kliman Innovator Award Review Committee2015Track Co-Chair, Electric Drives, IEEE-IFEEC 20152015Track Co-Chair, Electric Drives, IEEE-IEMDC 20152014 2016AdCom member (elected), IEEE Industrial Electronics Society2014 2015Chair, IEEE Industrial Drives Committee of IEEE IAS2014Member, 2014 IEEE IAS Gerald Kliman Innovator Award Review Committee2014Member, 2014 IET-EPA Paper Award and Prizes Committee2013 2016Vice President, Taiwan Power Electronics Association2014Technical Program Co-Chair, IEEE ISIE 20142014Guest Associate Editors, special issue on "Modeling and Control of Power Electronics forRenewable Energy and Power Systems." IEEE Journal of Emerging Special Topic on PowerElectronics2014Special Session Organizer, IPEC 20142013Technical Program Co-Chair, IEEE ISIE 2013, IEEE IFEEC 20132013International Steering Committee Member, IEEE SLED, Germany, 20132013Track Chair, Control of Power Converters, IEEE PEDS, Japan, 20132012 – 2013Technical Committee Paper Review Chair for IDC, IEEE Transactions on Industry Applications2012 2013Vice Chair (Paper), IEEE Industrial Drives Committee of IEEE IAS2012International Advisory Board Member, ICRERA, Japan, 20122012Associate Editor, IEEE Trans. on Industry Applications, Joint Special Issue on Drives andMachines in Emerging Applications, 20122011 2013AdCom member (elected), IEEE Industrial Electronics Society, 2011-20132011Associate Editor, IEEE Trans. on Power Electronics, Joint Special Issue on PowerElectronics in Emerging Applications, 20122011 2013Associate Editor, Asia Journal Control2011Vice Chair, Technical Program Committee, IEEE Energy Conversion Congress andExposition (ECCE), Phoenix, USA2010 2012Board member of Taiwan Power Electronics Association2010Vice Chair, Technical Program Committee, IEEE Energy Conversion Congress andExposition (ECCE), Atlanta, USA2010 2011Vice Chair (Program), IEEE Industrial Drives Committee of IEEE IAS2010Member of Technical Program Committee, IPEC, Japan3
42010Member of International Steering Committee, International Conference on IndustrialTechnology, IEEE2009Vice Chair, Technical Program Committee, IEEE Energy Conversion Congress andExposition (ECCE), San Jose, USA2009 2010Chair, Taipei Chapter, IEEE IAS2009 PresentEditorial Board Member, IET, Electrical Power Applications, UK2008 2011Associate Editor, IEEE Trans. on Industry Applications, IDC2008 2009Secretary of Industrial Drives Committee of IEEE IAS2008General Co-Chair, the 6th International Mini-Workshop on Power Electronics and MotionControl2008 PresentEditorial Board Member, International Journal of Power Electronics2008 2011Editor-in-Chief, Journal of Power Electronics, Taiwan2008-2010Board member of Taiwan Power Electronics Association2007Organizer and Chair, Industry Panel Discussion, IEEE IECON, 20072007Chair, Post Session, IEEE IECON, 20072007Member of International Steering Committee, the 7th International Conference on PowerElectronics, Korea2007Member of Program Committee, PCC, Japan2007Session Organizer, Industrial Power Conversion Committee of IEEE IAS Annual Meeting,USA2007Member of Program Committee, IEEE SMC Society Annual Meeting, Canada2006Member of Program Committee, IEEE SMC Society Annual Meeting, USA2006Session Organizer, Industrial Power Conversion Committee of IEEE IAS Annual Meeting,USA2006Session Organizer, Industrial Drives Committee of IEEE IAS Annual Meeting, USA2005Member of Program Committee, IPEC, Japan2005Session Chair, IEEE Industry Applications Society Annual Meeting, Hong Kong2004Session Chair, IEEE IECON, Korea2004 – PresentAssociate Editor, IEEE Transactions on Industrial Electronics2000 – PresentGuest Editor, Special Issue on Inverter Technology and Applications, Electrical Monthly2000– PresentMember of Industrial Power Conversion Committee of IEEE IAS1999– PresentMember of Industrial Drives Committee of IEEE IAS1999 – PresentIEEE Power Electronics Society Transactions and Conferences (APEC, PESC and ECCE)paper reviewer1998 – PresentIEEE Industry Applications Society Transactions and Annual Meeting paper reviewer1997 –PresentIEE Proc. of Electric Power Applications, paper reviewer4
51997 – 2004IEEE Trans. on Aerospace and Power Electronics, paper reviewerHonors and Awards:202020192019Award for Industry Collaboration, Ministry of Education, Taiwan, 2020.TECO Award, 2019The 2018 Prize Paper Award, IEEE Journal of Emerging and Selected Topics in PowerElectronics,2019Fellow Committee, IEEE Industrial Electronics Society2018Academic Outstanding Contribution Award, Taiwan Power & Energy Eng. Association2018Eminent Research Award for 2017, Ministry of Science and Technology, Taiwan2017Best Paper Award, Asian Conference on Energy, Power and Transportation Electrification(ACEPT), 20172017-2018Vice Chair, Fellow Committee, IEEE Industrial Electronics Society2017-2019Fellow Committee, IEEE Industry Applications Society, IEEE Industrial Electronics Society2016Best Paper Award, Symposium of Electrical Power Engineering, 20162016Best Paper Award, Taiwan Power Electronics Conference, 20162014Fellow, IEEE2014Best Paper Award, Taiwan Power Electronics Conference, 20142013Best Paper Award, Symposium of Electrical Power Engineering, 20132013Best Paper Award, IEEE, PEDS, Japan, 20132013Outstanding Research Award for 2012, National Science Council, Taiwan2012Outstanding Paper Award, International Conf. on Renewable Energy and Applications,Nagasaki, Japan, 20122012Best Paper Award, Taiwan Power Electronics Conference, 20122011Best Paper Award, Symposium of Electrical Power Engineering, 20112010Best Paper Award, Taiwan Power Electronics Conference, 20102009 – 2012Distinguished Professor, National Taipei University of Technology, Taiwan2009Best Paper Award, Taiwan Power Electronics Conference, 20092008Eminent Supervisor Award, Taiwan Power Electronics Association2007Reward for Technology (Patent) Transfer, National Science Council, Taiwan2007Eminent Research Award, College of EECS, National Taipei U. of Technology2007First Class Principal Investigator, National Science Council, Taiwan2006First Class Principal Investigator, National Science Council, Taiwan2006 – 2009Distinguished Professor, National Taipei University of Technology, Taiwan2005First Class Principal Investigator, National Science Council, Taiwan2004The Best Presentation Award, IECON 2004, IEEE2004Excellent Project Award, TECO Electric & Machinery Co. Ltd.5
62003Eminent Research Award, College of Mechanical and Electrical Engineering, National TaipeiU. of Technology2002Technical Committee Prize Paper Award, IAS Industrial Drives Committee, IEEE2002Eminent Research Award, College of Mechanical and Electrical Engineering, National TaipeiU. of Technology2001Excellent Award for DSP Competition, Texas Instrument Inc.2001Eminent Research Award, College of Mechanical and Electrical Engineering, National TaipeiU. of Technology2000Research Award, National Science Council, Taiwan1999Research Award, National Science Council, Taiwan1997The Best Journal Paper Award, John Hopkinson Premium, IEE, UK1996Research Award, National Science Council, Taiwan1995The Overseas Research Scholarship Award, Higher Education Funding Bodies, UK1994The Overseas Research Scholarship Award, Higher Education Funding Bodies, UKSelected Journal Papers:1.Y. S. Lai and M. H. Yu, "On-line Auto-tuning Technique of Switching Frequency for Resonant Converter ConsideringResonant Components Tolerance and Variation," IEEE Journal of Emerging and Selected Topics in PowerElectronics, Vol. 6, No. 4, pp. 2315 – 2324, 2018.2.C. K. Lin, J. T. Yu, H. Q. Huang, J. T. Wang, H. C. Yu, and Y. S. Lai, "A Dual-Voltage-Vector Model-Free PredictiveCurrent Controller for Synchronous Reluctance Motor Drive Systems," Energies, Vol. 11, No. 7, July 2018.3.C. J. Hsu and Y. S. Lai, "Novel On-Line Optimal Bandwidth Search and Auto Tuning Techniques for Servo MotorDrives," IEEE Trans. on Industry Applications, Vol. 53, No. 4, pp.3635-3642, 2017.4.Y. S. Lai, C. K. Lin, F. P. Chuang, and J. T. Yu, "Model-Free Predictive Current Control for Three-Phase AC/DCConverters," IET Electrical Power Application, Vol. 11, No. 5, pp. 729–739, 2017.5.C. K. Lin, J. T. Yu, Y. S. Lai, H. C. Yu, and C. I. Peng, "Two-vector-based Modeless Predictive CurrentControl for Four-switch Inverter-fed Synchronous Reluctance Motors Emulating the Six-switch InverterOperation," IET Electronics Letters, Vol. 52, No.14, pp.1244-1246, 2016.6.C. K. Lin, J. T. Yu, Y. S. Lai, and H. C. Yu, "Improved Model-Free Predictive Current Control forSynchronous Reluctance Motor Drives,” IEEE Trans. on Industrial Electronics, Vol. 63, No. 6, pp. 3942 –3953, 2016.7.C. K. Lin, J. T. Yu, Y. S. Lai, H. C. Yu, Y. H. Lin and F. M. Chen, “Simplified Model-Free Predictive CurrentControl for Interior Permanent Magnet Synchronous Motors” IET Electronics Letters, Vol. 52, No. 1, pp.49 - 50, 2016.8.Y. S. Lai and Z. J. Su, "New Integrated Control Technique for Two-Stage Server Power to ImproveEfficiency under Light Load Condition," IEEE Trans. on Industrial Electronics, Vol. 62, No. 11, pp. 6944 6954, 2015.6
79.Y. S. Lai, Z. J. Su and Y. T. Chang, "Novel Phase-Shift Control Technique for Full-Bridge Converter toReduce Thermal Imbalance under Light-Load Condition," IEEE Trans. on Industry Applications, Vol. 51,No. 2, pp. 1651-1659, 2015.10.Y. S. Lai and K. M. Ho, "Novel On-Line Parameter Tuning Method for Digital Boost PFC with TransitionCurrent Mode," IEEE Trans. on Industry Applications, Vol. 40., No. 4, pp. 2719-2727, 2014.11.Y. S. Lai, J. S. Su and W. S. Chen, "New Hybrid Control Technique to Improve Light Load Efficiency whileMeeting the Hold-up Time Requirement for Two-Stage Server Power," IEEE Trans. on Power Electronics,Vol. 29, No.9, pp. 4763-4775, 2014.12.Y. S. Lai and J. S. Su, "Novel On-Line Maximum Duty Point Tracking Technique to Improve Two-StageServer Power Efficiency and Investigation into its Impact on Hold-up Time," IEEE Trans. on IndustrialElectronics, Vol. 61, No. 5, pp. 2252 - 2263, 2014.13.Y. S. Lai, W. T. Lee, Y. K. Lin and J. F. Tsai, "Integrated inverter/converter circuit and control techniqueof motor drives with dual mode control for EV/HEV applications," IEEE Trans. on Power Electronics, Vol.29, No. 3, pp. 1358-1365, 2014.14.Y. S. Lai and B. Y. Chen, "New random PWM technique for full-bridge DC/DC converter with harmonicsintensity reduction and considering efficiency," IEEE Trans. on Power Electronics, Vol. 28, No. 11, pp.5013 - 5023, 2013.15.B. Y. Chen and Y. S. Lai, "Corrections to Switching control technique of phase-shift controlled full bridgeconverter to improve efficiency under light load and standby conditions without additional auxiliarycomponents," IEEE Trans. on Power Electronics, Vol. 28, No. 8, pp. 4120, August 2013.16.Y. S. Lai, Y. T. Chang and B. Y. Chen, "Novel random switching PWM technique with constant samplingfrequency and constant inductor average current for digital-controlled converter," IEEE Trans. onIndustrial Electronics, Vol. 60, No. 8, pp. 3126-3135, 2013.17.Y. S. Lai, Y. K. Lin and C. W. Chen, "New hybrid pulse-width modulation technique to reduce currentdistortion and extend current reconstruction range for three-phase inverter using only DC-link sensor,"IEEE Trans. on Power Electronics, Vol. 28, No. 3, pp. 1331 – 1337, 2013.18.Y. S. Lai and C. A. Yeh, "Response to the Comments on Predictive Digital-Controlled Converter withPeak Current-Mode Control and Leading-Edge Modulation", IEEE Trans. on Industrial Electronics, Vol.60, No. 1, pp. 235-238, 2013.19.Y.S. Lai, C. A. Yeh and K. M. Ho, "A family of predictive digital-controlled PFC under boundary currentmode control," IEEE Trans. on Industrial Informatics, Vol. 8, No. 3, pp. 448 - 458, 2012.20.P. Y. Lin and Y. S. Lai, "Voltage control technique for the extension of DC-link voltage utilization of finitespeed SPMSM drives," IEEE Trans. on Industrial Electronics, Vol. 59, No. 9, pp. 3392-3402, 2012.21.B. Y. Chen and Y. S. Lai, "New digital-controlled technique for battery charger with constant current andvoltage control without current feedback," IEEE Trans. on Industrial Electronics, Vol. 59, No. 3, pp. 1545– 1553, 2012.7
822.C. A. Yeh and Y. S. Lai,“Digital pulse-width modulation technique for a buck DC/DC converter to reduceswitching frequency,” IEEE Trans. on Industrial Electronics, Vol. 59, No. 1, pp. 550-561, 2012.23.Y. K. Lin and Y. S. Lai, “Pulse-width modulation technique for BLDCM drives to reduce commutationtorque ripple without calculation of commutation time,” IEEE Trans. on Industry Applications, Vol. 47, No.4, pp. 1786-1793, 2011.24.Y. S. Lai and Y. K. Lin, "A unified approach to zero-crossing point detection of back-EMF for brushlessDC motor drives without current and hall sensors," IEEE Trans. on Power Electronics, Vol. 26, No. 6, pp.1704-1173, 2011.25.P. Y. Lin and Y. S. Lai, " Novel voltage trajectory control for field weakening operation of induction motordrives," IEEE Trans. on Industry Applications, Vol. 47, No. 1, pp. 122-127, Jan. 2011.26.K. M. Ho, C. A. Yeh and Y. S. Lai, "Novel digital-controlled transition current mode control and dutycompensation techniques for interleaved power factor corrector," IEEE Trans. on Power Electronics, Vol.25, No. 12, pp. 3085 - 3094, Dec. 2010.27.P. S. Chen and Y. S. Lai, “Effective EMI filter design method for three-phase inverter based upon softwarenoise separation,” IEEE Trans. on Power Electronics, Vol. 25, No. 11, pp. 2797 - 2806, 2010.28.L. R. Chen, C. S. Tsai, Y. L. Lin and Y. S. Lai, ”A biological swarm chasing algorithm for tracking the PVmaximum power point,” IEEE Trans. on Energy Conversion, Vol. 25, No. 2, pp. 484-493, June 2010.29.B. Y. Chen and Y. S. Lai, “Switching control technique of phase-shift controlled full bridge converter toimprove efficiency under light load and standby conditions without additional auxiliary components,” IEEETrans. on Power Electronics, Vol. 25, No. 4, pp. 1001-1012, April 2010.30.Y. T. Chang and Y. S. Lai, “Parameter tuning method for digital power converter with predictive currentmode control,” IEEE Transactions on Power Electronics, Vol. 24, No. 12, pp. 2910-2919, Dec. 2009.31.K. Y. Lee and Y. S. Lai, "Novel circuit design for two-stage AC/DC converter to meet standby powerregulations," IET Power Electronics, Vol. 2, No. 6, pp. 625-634, Nov. 2009.32.Y. T. Chang and Y. S. Lai, “On-line parameter tuning technique for predictive current mode controloperating in boundary conduction mode,” IEEE Trans. on Industrial Electronics, Vol. 56, No. 8, pp. 32143221, Aug. 2009.33.Y. S. Lai and C. A. Yeh, “Predictive digital-controlled converter with peak current mode control and leadingedge modulation,” IEEE Trans. on Industrial Electronics, Vol. 56, No.6, pp.1854-1863, 2009.34.Y. K. Lin and Y. S. Lai, “Dead-time elimination of PWM-controlled inverter/converter without separatepower sources for current polarity detection circuit,” IEEE Trans. on Industrial Electronics, Vol. 56, No. 6,pp. 2121-2127, 2009.35.Y. S. Lai and Y. K. Lin, “Novel back-EMF detection technique of brushless DC motor drives for wide rangecontrol without using current and position sensors,” IEEE Trans. on Power Electronics, Vol. 23, No. 2, pp.934-940, 2008.36.Y. S. Lai and Y. K. Lin, “Assessing pulse-width modulation techniques for brushless dc motor drives,”8
9IEEE Industry Application Magazines, pp. 34-44, Sep./Oct., 2008.37.Y. S. Lai, P. S. Chen, S. K. Lee, and J. Chou, "Optimal PWM technique for inverter control withconsidering the dead-time effects-Part II: applications to IM drives with diode front end," IEEE Trans. onIndustrial Applications, Vol. 40, No. 6, pp. 1613-1620, 2004.38.Y. S. L
2016 IEEE International conference on Power Electronics, Drives and Energy Systems (PEDES), 2016 2015 Council Members, IEEE Industry Application Society 2015 2015 ECCE Steering Committee, TC Committee Chair -Industrial Drives, IEEE 2015 2015 Member, 2015
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