Queen's Power Group Publications

Journal Papers

[33] Y. F. Liu, E. Meyer, X. Liu, " Recent Developments in Digital Control Strategies for DC/DC Switching Power Converters",   invited paper, IEEE Transactions on Power Electronics, Vol. 24, No. 11, Nov 2009, pp.2567-2577.

[32] Y. F. Liu and W. Eberle, "Recent Developments in Switching Mode Power Supply Technologies", invited paper, IEEE Canadian Review, Fall 2009, pp. 9-13

[31] Z. Zhang, W. Eberle, P.C. Sen and Y.F. Liu, " A Nonisolated ZVS Asymmetrical Buck Voltage Regulator Module With Direct Energy Transfer", IEEE Transactions on Industrial Electronics, Vol. 56, No. 8, August 2009, pp. 3096-3105.

[30] W. Eberle, Z. Zhang, Y.F. Liu, P.C. Sen,  " A Practical Switching Loss Model for Buck Voltage Regulators", IEEE Transactions on Power Electronics, Vol. 24, No. 3, Mar. 2009, pp. 700-713.

[29] G. Feng, E. Meyer, Y.F. Liu,  " A Digital Two-Switching-Cycle Compensation Algorithm for Input-Voltage Transients in DC-to-DC Converters", IEEE Transactions on Power Electronics, Vol. 24, No. 1, Jan. 2009, pp. 181-191.   

[28] Z. Zhang, W. Eberle, P. Liu, Y.F. Liu, P.C. Sen,  " A 1-MHz High-Efficiency 12-V Buck Voltage Regulator With a New Current-Source Gate Driver", IEEE Transactions on Power Electronics, Vol. 23, No. 6, Nov. 2008, pp. 2817-2827.   

[27] S. Ye, E. Meyer and Y.F. Liu, " A Novel Two Phase Nonisolated Full Bridge With Shared Primary Switches", IEEE Transactions on Power Electronics, Vol. 23, No. 5, Sept. 2008, pp. 2363-2376.  

[26] E. Meyer, Z. Zhang and Y.F. Liu, " An Optimal Control Method for Buck Converters Using a Practical Capacitor Charge Balance Technique", IEEE Transactions on Power Electronics, Vol. 23, No. 4, July 2008, pp. 1802-1812. 

[25] W. Eberle, P.C. Sen and Y.F. Liu, " A New Resonant Gate Drive Circuit with Efficient Energy Recovery and Low Conduction Loss", IEEE Transactions on Industrial Electronics, Vol. 55, No. 5, May 2008, pp. 2213-2221.

[24] Z. Yang, S. Ye, and Y.F. Liu, " A New Dual Channel Resonant Gate Drive Circuit for Low Gate Drive Loss and Low Switching Loss", IEEE Transactions on Power Electronics, Vol. 23, No. 3, May 2008, pp. 1574-1583.

[23] A. Elnady, A. Noureldin and Y.F. Liu, " Power-Quality Improvement Using Wiener Filters Based On a Modular Compensating Strategy", IEEE Transactions on Power Delivery, Vol. 23, No. 2, April 2008, pp. 841-849.

[22] W. Eberle, Z. Zhang, Y.F. Liu and P.C. Sen, " A Current Source Gate Driver Achieving Switching Loss Savings and Gate Energy Recovery at 1-MHz," IEEE Transactions on Power Electronics, Vol. 23, No. 2, Mar. 2008, pp. 678-691.

[21] Z. Zhang, W. Eberle, Y.F. Liu and P.C. Sen, " Optimal Design of a Resonant Gate Driver for Buck Converter Based on a New Analytical Loss Model," IEEE Transactions on Power Electronics, Vol. 23, No. 2, Mar. 2008, pp. 653-666.

[20] Y. Han and Y.F. Liu, " A Practical Transformer Core Loss Measurement Scheme for High-Frequency Power Converter", IEEE Transactions on Industrial Electronics, Vol. 55, No. 2, Feb. 2008, pp. 941-948.

[19] S. Ye, W. Eberle and Y.F. Liu, " A Novel Non-Isolated Full Bridge Topology for VRM Applications", IEEE Transactions on Power Electronics, Vol. 23, No. 1, Jan. 2008, pp. 427-437.

[18] A. Perry, G. Feng, Y.F. Liu and P.C. Sen, " A Design Method for PI-Like Fuzzy Logic controllers for DC-DC Converter", IEEE Transactions on Industrial Electronics, Vol. 54, No. 5, Oct. 2007, pp. 2688-2696.

[17] Y. Han, W. Eberle and Y.F. Liu, " A Practical Copper Loss Measurement Method for the Planar Transformer in High-Frequency Switching Converters", IEEE Transactions on Industrial Electronics, Vol. 54, No. 4, August 2007, pp. 2276-2287.

[16] G. Feng, E. Meyer, and Y.F. Liu, " A New Digital Control Algorithm to Achieve Optimal Dynamic Performance in DC-to-DC Converters", IEEE Transactions on Power Electronics, July 2007, Volume 22, Number 4, pp. 1489-1498.

[15] Z. Yang, S. Ye, and Y.F. Liu, " A New Resonant Gate Drive Circuit for Synchronous Buck Converter", IEEE Transactions on Power Electronics, July 2007, Volume 22, Number 4, pp. 1311-1320.

[14] W. Zhang, Y.F. Liu, and B. Wu, " A New Duty Cycle Control Strategy for Power Factor Correction and FPGA Implementation", IEEE Transactions on Power Electronics, Nov 2006, Volume 21, Number 6, pp. 1745-1753.

[13] W. Zhang, Y.F. Liu, and B. Wu, " New Digital Control Method for Power Factor Correction", IEEE Transactions on Industrial Electronics, June 2006, Volume 53, Number 3, pp. 987-990.

[12] W. Zhang, G. Feng, Y.F. Liu, and B. Wu, " A Digital Power Factor Correction (PFC) Control Strategy Optimized for DSP", IEEE Transactions on Power Electronics, Nov 2004, Volume 19, Number 6, pp. 1474-1486.

[11] G. Feng, Y.F. Liu and L. Huang, " A New Robust Algorithm to Improve the Dynamic Performance on the Speed Control of Induction Motor Drive", IEEE Transactions on Power Electronics, November 2004, Vol.19, No.6, pp. 1614-1627

[10] S. Ye, W. Eberle and Y.F. Liu, " A Novel EMI Filter Design Method for Switching Power Supplies", IEEE Transactions on Power Electronics, Nov 2004, Volume 19, No. 6, pp. 1668-1678

[9] Y. Xi, P. Jain, Y.F. Liu and R. Orr, " A Self Core Reset and Zero Voltage Switching Forward Converter Topology", IEEE Transactions on Power Electronics, Vol.15, No.6, November 2000, pp. 1192-1203

[8] G. Moschopoulos, P. Jain, Y.F. Liu and G. Joos, " A Zero-Voltage Switched PWM Boost Converter with an Energy Feedforward Auxiliary Circuit", IEEE Transactions on Power Electronics, Vol. 14, No. 4, July 1999, pp. 653-662

[7] Y.F. Liu and P.C. Sen, " New Class-E DC-DC Converter Topologies with Constant switching frequency", IEEE Transactions on Industry Applications, Vol.32, No.4, July/August 1996, pp. 961-969

[6] Y.F. Liu and P.C. Sen, " Large Signal Modeling of Hysteric Current-Programmed Converters", IEEE Transactions on Power Electronics, Vol.11, No.3, May 1996, pp.423-430

[5] Y.F. Liu and P.C. Sen, " Source Reactance Lossless Switch (SRLS) for Soft-Switching Converters with Constant Switching Frequency", IEEE Transactions on Circuits and Systems, Vol.43, No.4, April 1996, pp. 301-312

[4] Y.F. Liu and P.C. Sen, " A Novel Resonant Converter Topology for DC-to-DC Power Supply", IEEE Transactions on Aerospace and Electronic Systems, Vol.31, No.4, October 1995, pp. 1301-1313

[3] Y.F. Liu and P.C. Sen, " A Novel Method to Achieve Zero-Voltage Regulation in Buck Converter", IEEE Transactions on Power Electronics, Vol.10, No.3, May 1995, pp. 292-301

[2] Y.F. Liu, P.C. Sen and S. Huang, " Function Control - A Novel Strategy to Achieve Improved Performance of the DC-to-DC Switching Regulators", IEEE Transactions on Industrial Electronics, Vol.42, No.2, April 1995, pp. 186-191

[1] Y.F. Liu and P.C. Sen, " A General Unified Large-Signal Model for Current Programmed DC-to-DC Converters", IEEE Transactions on Power Electronics, Vol.9, No.4, July 1994, pp. 414-424

Conference Papers

[71] E. Meyer, Z. Zhang, Y.F. Liu, " Digital Charge Balance Controller with Low Gate Count to Improve the Transient Response of Buck Converters", IEEE Energy Conversion Congress and Exposition (ECCE), San Joes, California, September 2009, pp. 3320-3327.

[70] Z. Zhang, E. Meyer, Y.F. Liu and P.C. Sen, " A Non-Isolated ZVS Self-Driven Current Tripler Topology for Low Voltage and High Current Applications", IEEE Energy Conversion Congress and Exposition (ECCE), San Joes, California, September 2009, pp. 1983-1990.

[69] Z. Zhang, J. Fu, Y.F. Liu and P.C. Sen, " A New Discontinuous Current Source Driver for High Frequency Power MOSFETs", IEEE Energy Conversion Congress and Exposition (ECCE), San Joes, California, September 2009, pp. 1655-1662. 

[68] J. Fu, Z. Zhang, W. Eberle, Y.F. Liu and P.C. Sen, " A High Efficiency Current Source Driver with Negative Gate Voltage for Buck Voltage Regulators", IEEE Energy Conversion Congress and Exposition (ECCE), San Joes, California, September 2009, pp. 1663-1670. 

[67] E. Meyer, Z. Zhang,  Y.F. Liu, " Controlled Auxiliary Circuit with Measured Response for Reduction of Output Voltage Overshoot in Buck Converters", IEEE Applied Power Electronics Conference (APEC), Washington, DC, February 2009, pp. 1367-1373. 

[66] Z. Zhang, E. Meyer, Y.F. Liu, P.C. Sen, " A New ZVS Non-Isolated Full-Bridge Voltage Regulator Module with Gate Energy Recovery", IEEE Applied Power Electronics Conference (APEC), Washington, DC, February 2009, pp. 1469-1475. 

[65] E. Meyer, Z. Zhang and Y.F. Liu, " Controlled Current Source Circuit (CCSC) for Reduction of Output Voltage Overshoot in Buck Converters", IEEE Power Electronics Specialists Conference (PESC), Rhodes, Greece, June 2008, pp. 815-820.

[64] W. Eberle, Z. Zhang, Y.F. Liu and P.C. Sen, " A Simple Switching Loss Model for High Switching Frequency Voltage Regulators with Current Source Gate Drive," IEEE Power Electronics Specialists Conference (PESC), Rhodes, Greece, June 2008, pp. 3780-3786.

[63] Z. Zhang, W. Eberle, Y.F. Liu and P.C. Sen, " A Novel Non-Isolated ZVS Asymmetrical Buck Converter for 12V VRs," IEEE Power Electronics Specialists Conference (PESC), Island of Rhodes, Greece, June 2008, pp. 974-978.

[62] Z. Zhang,W. Eberle, Y.F. Liu and P.C. Sen, " A New Hybrid Gate Drive Scheme for Buck Voltage Regulators," IEEE Power Electronics Specialists Conference (PESC), Island of Rhodes, Greece, June 2008, pp. 2498-2504.

[61] E. Meyer and Y.F. Liu, " A Practical Minimum Time Control Method for Buck Converters Based on Capacitor Charge Balance", IEEE Applied Power Electronics (APEC), Austin, USA, February 2008, pp. 10-16.

[60] S. Ye, E. Meyer and Y.F. Liu, " A Novel Non-Isolated Two-Phase Full Bridge Topology for VRM Applications", IEEE Applied Power Electronics (APEC), Austin, USA, February 2008, pp. 24-30.

[59] S. Ye, E. Meyer and Y.F. Liu, " A Novel Isolated Two-Phase Full Bridge Topology for VRM Applications", IEEE Applied Power Electronics Conference (APEC), Austin, USA, February 2008, pp. 353-359.

[58] W. Eberle, Z. Zhang, Y.F. Liu and P.C. Sen, " A Simple Switching Loss Model for High Switching Frequency DC-DC Converters," IEEE Applied Power Electronics Conference (APEC), Austin, USA, February 2008, pp. 36-42.

[57] Z. Zhang, W. Eberle, Y.F. Liu and P.C. Sen, " A New Current-Source Gate Driver for a Buck Voltage Regulator," IEEE Applied Power Electronics Conference (APEC), Austin, USA, February 2008, pp. 1433-1439.

[56] W. Eberle, Z. Zhang, Y.F. Liu, and P.C. Sen " A High Efficiency Synchronous Buck VRM with Current Source Gate Driver" IEEE Power Electronics Specialists Conference (PESC), 2007, Orlando, USA, pp. 21-27.
PESC presentation

[55] E. Meyer and Y.F. Liu, " A Quick Capacitor Charge Balance Control Method to Achieve Optimal Dynamic Response for Buck Converters" IEEE Power Electronics Specialists Conference (PESC), 2007, Orlando, USA, pp. 1549-1555.
PESC presentation

[54] Z. Zhang, W. Eberle, Z. Yang, Y.F. Liu and P.C. Sen, " Optimal Design of Current Source Gate Driver for a Buck Voltage Regulator Based on a New Analytical Loss Model" IEEE Power Electronics Specialists Conference (PESC), 2007, Orlando, USA, pp. 1556-1562.
PESC presentation

[53] A. Elnady, A. Noureldin and Y.F. Liu, " Implementation of the Wiener Filter for Extracting Power Quality Disturbances" IEEE Power Electronics Specialists Conference (PESC), 2007, Orlando, USA, pp. 1116-1120.

[52] E. Meyer, G. Feng and Y.F. Liu, " Novel Digital Controller Improves Dynamic Response and Simplifies Design Process of Voltage Regulator Module" IEEE Applied Power Electronics Conference (APEC), 2007, Anaheim, USA, pp. 1447-1453.
APEC poster

[51] S. Ye, W. Eberle and Y.F. Liu, " A Novel Non-Isolated Full Bridge Topology for VRM Applications," IEEE Applied Power Electronics Conference (APEC), 2007, Anaheim, USA, pp. 134-140.
APEC presentation

[50] W. Eberle, Y.F. Liu and P.C. Sen, " A Resonant Gate Drive Circuit with Reduced MOSFET Switching and Gate Losses", IEEE Industrial Electronics Society Conference (IECON), 2006, Paris, France, pp. 1745-1750
IECON presentation

[49] K.Xu, Y.F. Liu and P.C. Sen, " A New Resonang Gate Drive Circuit Utilizing Leakage Inductance of Transformer", IEEE Industrial Electronics Society Conference (IECON), 2006, Paris, France, pp. 1933-1937
IECON presentation

[48] G. Feng, E. Meyer and Y.F. Liu, " High Performance Digital Control Algorithms For DC-DC Converters Based on the Principle of Capacitor Charge Balance", IEEE Power Electronics Specialists Conference (PESC), 2006, Jeju, South Korea, pp. 1740-1746
PESC presentation

[47] Z. Zhang, Z. Yang, S. Ye and Y.F. Liu, " Topology and Analysis of a New Resonant Gate Driver", IEEE Power Electronics Specialists Conference (PESC), 2006, Jeju, South Korea,pp. 1453-1459
PESC presentation

[46] W. Eberle, Y.F. Liu and P.C. Sen, " A Simple Large Signal Model for Isolated DC-DC Converters", IEEE Canadian Conference on Electrical and Computer Engineering (CCECE), Ottawa, Canada, May 2006, pp. 1267-1270
CCECE presentation

[45] W. Eberle, P.C. Sen and Y.F. Liu, " A Novel High Performance Resonant Gate Drive Circuit with Low Circulating Current", IEEE Applied Power Electronics Conference (APEC), 2006, Dallas, USA,pp. 324-330
APEC presentation

[44] Z. Yang, S. Ye and Y.F. Liu, " A New Resonant Gate Drive Circuit for Synchronous Buck Converter", IEEE Applied Power Electronics Conference (APEC), 2006, Dallas, USA, pp. 52-58
APEC presentation

[43] Z. Yang, S. Ye and Y.F. Liu, " A New Dual Channel Resonant Gate Drive Circuit for Synchronous Rectifiers", IEEE Applied Power Electronics Conference (APEC), 2006, Dallas, USA, pp. 756-762
APEC presentation

[42] G. Feng, W. Eberle and Y.F. Liu, " A Digital Control Algorithm for DC-DC Converters Under Input Voltage Changes", IEEE Applied Power Electronics Conference (APEC), 2006, Dallas, USA, pp. 1430-1436
APEC poster

[41] W. Eberle, P.C. Sen and Y.F. Liu, " A New Resonant Gate Drive Circuit with Efficient Energy Recovery and Low Conduction Loss", IEEE Industrial Electronics Society Conference (IECON), 2005, pp. 650-655
IECON presentation

[40] K. Xu, Y.F. Liu and P.C. Sen, " A New Resonant Gate Drive Circuit with Centre-Tapped Transformer", IEEE Industrial Electronics Society Conference (IECON), 2005, pp. 639-644
IECON presentation

[39] A. Perry, G. Feng, Y.F. Liu and P.C. Sen, " A New Analysis and Design Method for Fuzzy Logic Controllers Used in Power Converters", IEEE Industrial Electronics Society Conference (IECON), 2005, pp. 1006-1011
IECON presentation

[38] Y.F. Liu and P.C. Sen, Invited Paper, " Digital Control of Switching Power Converters", International Conference on Control Applications (ICC), 2005, pp. 635-640

[37] Z. Yang, S. Ye and Y.F. Liu, " A New Transformer-Based Non-Isolated topology Optimized for VRM Application", IEEE Power Electronics Specialists Conference (PESC), 2005, pp. 447-453

[36] S. Ye, W. Eberle, Z. Yang and Y. F. Liu, " A New Non-Isolated Full Bridge Topology for Low Voltage High Current VRM Applications", IEEE Power Electronics Specialists Conference (PESC), 2005, pp. 389-395

[35] G. Feng, W. Eberle and Y. F. Liu, " A New Digital Control Algorithm to Achieve Optimal Dynamic Performance in DC-to-DC Converters", IEEE Power Electronics Specialists Conference (PESC), 2005, pp. 2744-2749

[34] W. Zhang, G. Feng, Y.F. Liu and B. Wu, " A New Duty Cycle Parallel Control Method and FPGA Implementation for AC-DC Converters with Power Factor Correction (PFC)", IEEE Applied Power Electronics Conference (APEC), 2005, pp. 805-810

[33] Z. Yang, S. Ye and Y.F. Liu, " A Novel Non-Isolated Half Bridge DC-DC Converter", IEEE Applied Power Electronics Conference (APEC), 2005, pp. 301-307

[32] Y.W. Lu and Y.F. Liu, " A Large-Signal Dynamic Model for Single-Phase AC-DC Converter with Power Factor Correction", IEEE Power Electronics Specialists Conference (PESC), 2004, pp. 1057-1063

[31] Y. Han and Y.F. Liu, " New Measurement Methods to Characterize Transformer Core Loss and Copper Loss in High-Frequency Switching Mode Power Supply", IEEE Power Electronics Specialists Conference (PESC), 2004, pp. 1695-1701

[30] W. Zhang, G. Feng, Y.F. Liu, and B. Wu, " A Direct Duty Cycle Calculation Algorithm for Digital Power Factor Correction (PFC) Implementation", IEEE Power Electronics Specialists Conference (PESC), 2004, pp. 2326-2332

[29] A. Perry, G. Feng, Y.F. Liu and P.C. Sen, " A New Sliding Mode-Like Control Method for Buck Converter", IEEE Power Electronics Specialists Conference (PESC), 2004, pp. 3688-3693

[28] A. Perry, G. Feng, Y.F. Liu and P.C. Sen, " A New Design Method for PI-like Fuzzy Logic Controllers Applied to DC-to-DC Converter", IEEE Power Electronics Specialists Conference (PESC), 2004, pp. 3751-3757

[27] G. Feng, W. Zhang and Y.F. Liu, " A New Current Feedback Fuzzy Logic Controller with Extended State Observer for DC-to-DC Converters", IEEE Applied Power Electronics Conference (APEC), 2004, pp. 1771-1777

[26] W. Zhang, G. Feng, Y.F. Liu and B. Wu, " DSP Implementation of Predictive Control Strategy for Power Factor Correction (PFC)", IEEE Applied Power Electronics Conference (APEC), 2004, pp. 67-73

[25] W. Eberle, Y. Han, Y.F. Liu and S. Ye, " An Overall Study of the Asymmetrical Half-Bridge with Unbalanced Turns and Current Mode Control", IEEE Applied Power Electronics Conference (APEC), 2004, pp. 1083-1089

[24] Y.W. Lu, G. Feng and Y.F. Liu, " A Large Signal Dynamic Model for DC-to-DC Converters with Average Current Control", IEEE Applied Power Electronics Conference (APEC), 2004, pp. 797-803

[23] W. Zhang, G. Feng, Y.F. Liu and B. Wu, " Analysis and Implementation of a New PFC Digital Control Method", IEEE Power Electronics Specialists Conference (PESC), 2003, pp. 335-340

[22] S. Ye and Y.F. Liu, " EMI Filter Design Method for Communication Power Sub-System", IEEE Applied Power Electronics Conference (APEC), 2003, 2003, pp. 483-489

[21] G. Feng, W. Zhang and Y.F. Liu, " An Adaptive Current Mode Fuzzy Logic Controller for DC-to-DC Converters", IEEE Applied Power Electronics Conference (APEC) 2003, pp. 983-989

[20] W. Zhang, G. Feng, Y.F. Liu and B. Wu, " A New Predictive Control Strategy for Power Factor Correction", IEEE Applied Power Electronics Conference (APEC), 2003, pp. 403-409

[19] G. Feng, W. Zhang and Y.F. Liu, " A New Adaptive Fuzzy Logic Control Method for DC-to-DC Converter", IEEE Industrial Electronics Society Conference (IECON), 2002, pp. 1208-1213

[18] W. Zhang, G. Feng, Y.F. Liu and Bin Wu, " A New Power Factor Correction (PFC) Control Method Suitable for Low Cost DSP", IEEE International Telecommunications Energy Conference (INTELEC), 2002, pp. 407-414

[17] W. Eberle and Y.F. Liu, " A Zero Voltage Switching Asymmetrical Half-Bridge DC/DC Converter With Unbalanced Secondary Windings For Improved Bandwidth", IEEE Power Electronics Specialists Conference (PESC), 2002, pp. 1829-1834

[16] G. Feng, Y.F. Liu and L. Huang, " A New Robust Controller to Improve the Dynamic Performance of Induction Motors", IEEE Power Electronics Specialists Conference (PESC), 2001, pp. 778 -783

[15] G. Feng and Y.F. Liu, " An Improved Nonlinear Control Strategy for Induction Motor Drive", IEEE Canadian Conference on Electrical and Computer Engineering (CCECE), 2001, pp. 7-12

[14] Y. Zhang, P.C. Sen and Y.F. Liu, " A Novel Zero Voltage Switched (ZVS) Buck Converter Using Coupled Inductor", IEEE Canadian Conference on Electrical and Computer Engineering (CCECE), 2001, pp. 357-362

[13] Y.F. Liu and P. Jain, " A New Current Sensing Scheme for Zero-Voltage Switching Phase-Shift Bridge Converter", IEEE International Telecommunications Energy Conference (INTELEC), 2000, pp. 567-573

[12] Y. Xi, P. Jain and Y.F. Liu, " A Precisely Regulated Multiple Output Forward Converter Topology", IEEE Applied Power Electronics Conference (APEC), 2000, pp. 986-992

[11] Y. Xi, P. Jain, Y.F. Liu and R. Orr, " A Zero Voltage Switching and Self-Reset Forward Converter Topology", IEEE Applied Power Electronics Conference (APEC), 1999, pp. 827-833

[10] S. Mangat, Y. Xi, P. Jain and Y.F. Liu, " A Modified Asymmetrical Pulse-Width-Modulated Resonant DC/DC Converter Topology", IEEE Power Electronics Specialists Conference (PESC), 1998, pp. 662-668

[9] Y. Xi, P. Jain, G. Joos and Y.F. Liu, " An Improved Zero Voltage Switching Flyback Converter Topology", IEEE Power Electronics Specialists Conference (PESC), 1998, pp. 923-929

[8] G. Moschopoulos, P. Jain, G. Joos and Y.F. Liu, " A Single Stage Vero Voltage Switched PWM Full-Bridge Converter with Power Factor Correction", IEEE Applied Power Electronics Conference (APEC), 1997, pp. 457-463

[7] G. Moschopoulos, P. Jain, G. Joos and Y.F. Liu, " A Zero-Voltage Switched PWM Boost Converter with an Energy Feedforward Auxiliary Circuit", IEEE Power Electronics Specialists Conference (PESC), 1996, pp. 76-82

[6] Y.F. Liu and P.C. Sen, " A Large Signal Model for Current-Programmed Boost Converter", IEEE Industry Application Society Conference, 1994, pp. 1106-1112

[5] Y.F. Liu and P.C. Sen, " New Class-E DC-to-DC Converter Topologies with Constant Switching Frequency", IEEE Industry Application Society Conference, 1993, pp. 1090-1097

[4] Y.F. Liu and P.C. Sen, " Source Reactance Lossless Switch (SRLS) for Soft Switching Converters with Constant Switching Frequency", IEEE Industry Application Society Conference, 1992, pp. 710-719

[3] Y.F. Liu, P.C. Sen and S. Huang, " Function Control - A novel Strategy to Achieve Improved Performance of the DC-to-DC Switching Regulators", IEEE Industry Application Society Conference, 1991, pp. 971-976

[2] H. Qu, Y.F. Liu and S. Huang, " Sliding-Mode Controlled Cuk Switching Regulator with Fast Response and First Order Dynamic Characteristic", IEEE Power Electronics Specialists Confer­ence (PESC), 1989, pp. 124-129

[1] Y.F. Liu and S. Huang, " Function Control and its Application in DC-DC Switching Regulator", IEEE Power Electronics Specialists Conference (PESC), 1988, pp. 377-383