X. Zhang, Q.-C. Zhong, V. Kadirkamanathan, J. He, and J. Huang, “Source-side Series-virtual-impedance Control to Improve the Cascaded System Stability and the Dynamic Performance of Its Source Converter”, IEEE Trans. on Power Electronics, vol. 34, no. vol.34, no.6, pp. 5854-5866, 2019.
J. Dai, B. Ren and Q.-C. Zhong, “Uncertainty and Disturbance Estimator-Based Backstepping Control for Nonlinear Systems With Mismatched Uncertainties and Disturbances”, ASME J. Dyn. Syst., Meas., Control, vol.140, no.12, pp.121005,2018.
B. Wang, D. Rees and Q.-C. Zhong. “Control of Integral Processes with Dead Time. Part IV: Various Issues about PI controllers”. IEE Proc. Control Theory & Appl., vol. 153, no. 3, 302-306, 2006.
R. Majumder, B. Chauduri, B. Pal and Q.-C. Zhong. “A unified Smith predictor approach for power system damping control using remote signals”. IEEE Trans. on Control Systems Technology, vol. 13, no.6, 1063-1068, 2005.
Q.-C. Zhong. “Control of integral processes with dead time. Part 3: Dead-beat disturbance response”. IEEE Trans. Automatic Control, vol. 48, no. 1, pp. 153-159, 2003.
X. Zhang, Q.-C. Zhong and W.-L. Ming, Source-side Series-virtual-impedance Control Strategy to Stabilize the Cascaded System with Improved Performance, in Proc. of the IEEE Energy Conversion Congress & EXPO (IEEE ECCE), Milwaukee, Wisconsin, USA, 18-22 September 2016.
Y. Wang, Q.-C. Zhong and B. Ren, UDE-Based Robust Droop Control for Parallel Operated Inverters, in Proc. of the IEEE Energy Conversion Congress & EXPO (IEEE ECCE), Milwaukee, Wisconsin, USA, 18-22 September 2016.
W.-L. Ming and Q.-C. Zhong, Current-stress Reduction of the Neutral Inductor in a Rectifier with Two Independent Outputs, in Proc. of the IEEE Energy Conversion Congress & EXPO (IEEE ECCE), Milwaukee, Wisconsin, USA, 18-22 September 2016.
J. Dai, B. Ren and Q.-C. Zhong. UDE-based Robust Control for Nonlinear Systems with Mismatched Uncertainties and Input Saturation, in Proc. of the 35th Chinese Control Conference, Chengdu, China July 27-29, 2016.
Y. Wang, B. Ren and Q.-C. Zhong. Robust Power Flow Control of Grid-tied Inverters Based on the Uncertainty and Disturbance Estimator, in Proc. of the American Control Conference (ACC2016), Boston, USA, July 6-8, 2016.
Q.-C. Zhong, and G. C. Konstantopoulos, Nonlinear Current-Limiting Control for Grid-tied Inverters, in Proc. of the American Control Conference (ACC2016), Boston, MA, USA, 6-8 July 2016.
J. Dai, B. Ren and Q.-C. Zhong. UDE-based Dynamic Surface Control for Strict-feedback Systems with Mismatched Disturbances, in Proc. of the American Control Conference (ACC2016), Boston, USA, July 6-8, 2016.
S. Gadelovits, Q-C Zhong and V. Kadirkamanathan, Cascaded control to shape output virtual impedance and improve output voltage quality for power inverter, in Proc. of IEEE PEDG, 2016.
X. Zhang, Q.-C. Zhong and W.-L. Ming, Stabilization of Cascaded DC/DC Converters via Shaping the Load Input Impedance by Adaptive Series-Virtual-Impedance Control, in Proc. of IEEE PEDG, 2016.
G. C. Konstantopoulos and Q.-C. Zhong, Nonlinear control of dc/dc power converters with inherent current and power limitation, in Proc. of the Mediterranean Conference on Control and Automation (MED2016), Athens, Greece, 21-24 June 2016.
J. Chen, B. Ren and Q.-C. Zhong. High-Bandwidth Control of a Piezoelectric Stage in the Presence of Rate-Dependent Hysteresis, in Proc. of the 25th ASME Annual Conference on Information Storage and Processing Systems (ISPS), Santa Clara, California, USA, June 20-21, 2016.
S. Gadelovits, Q.-C. Zhong, V. Kadirkamanathan, and A. Kuperman, Impedance shaping for parallel operation of inverters in islanded AC microgrids, in Proc. of IEEE PEDG, pp. 1-6, 2015.
X. Zhang, Q.-C. Zhong, W.-L. Ming and S. Gadelovits, Impedance-Based Local Stability Criterion for Standalone PV-battery Hybrid System, in Proc. of IEEE PEDG, pp.717-723, 2015.
X. Zhang, Q.-C. Zhong, W.-L. Ming and X.-B Ruan, Stabilization of a Cascaded DC System via Adding a Virtual Impedance in Parallel with the Load Converter, in Proc. of IEEE PEDG, pp.335-341, 2015.
X. Zhang, Q.-C. Zhong, W.-L. Ming and X.-B Ruan, Stabilization of a Cascaded DC System via Adding a Virtual Impedance in Series with the Load Converter, in Proc. of IEEE PEDG, pp.677-683, 2015.
X. Zhang, Q.-C. Zhong and W.-L. Ming, Fast Scale Instability Problem and Phase-Shifted-Carrier Solution of Buck Derived Cascaded System, in Proc. of the 2015 IEEE Energy Conversion Congress and Exposition, 2015.
J. Dai, Q. Lu, B. Ren and Q.-C. Zhong, Robust Attitude Tracking Control for a Quadrotor Based on the Uncertainty and Disturbance Estimator, in Proc. of the 2015 ASME Dynamic Systems and Control Conference, Columbus, Ohio, October 2015.
G. C. Konstantopoulos, Q.-C. Zhong, B. Ren, and M. Krstic, Boundedness of Synchronverters, in Proc. of the European Control Conference (ECC’15), Linz, Austria, pp. 1050-1055, 15-17 July 2015.
J. Chen, B. Ren and Q.-C. Zhong. Hysteresis Compensation in Piezoelectric Actuator Positioning Control Based on the Uncertainty and Disturbance Estimator, in Proc. of the American Control Conference (ACC’15), Chicago, IL, USA, July 1-3, 2015.
G. C. Konstantopoulos and Q.-C. Zhong, Current-Limiting Non-linear Controller for Single-phase AC/DC PWM Power Converters, in Proc. of the American Control Conference (ACC’15), Chicago, IL, USA, pp. 1029-1034, 1-3 July 2015.
G. C. Konstantopoulos, Q.-C. Zhong, B. Ren, and M. Krstic, Bounded Integral Control for Regulating Input-to-State Stable Non-linear Systems, in Proc. of the American Control Conference (ACC’15), Chicago, IL, USA, pp. 4024-4029, July 2015.
R. Sanz-Diaz, P.J. Garcia Gil, Q.-C. Zhong and P. Albertos, Control of Disturbed Systems with Measurement Delays: Application to Quadrotor Vehicles, The 23rd Mediterranean Conference on Control and Automation, Spain, June 2015.
J. Cai and Q.-C. Zhong, A compact power converter for hybrid energy systems, in Proc. of the 40th Annual Conference of IEEE Industrial Electronics Society, October 2014.
W.-L. Ming and Q.-C. Zhong, Synchronverter-based Transformerless PV Inverters, in Proc. of the 40th Annual Conference of IEEE Industrial Electronics Society, October 2014.
J. Cai and Q.-C. Zhong, An asymmetrical gamma z-source hybrid power converter with space vector pulse-width modulation, in Proc. of the 2014 IEEE Energy Conversion Congress and Exposition, September 2014.
W.-L. Ming, Q.-C. Zhong and W. Sheng, A Single-phase Rectifier with a Neutral Leg to Reduce DC-bus Voltage Ripples, in Proc. of the 2014 IEEE Energy Conversion Congress and Exposition, September 2014.
Y. Zeng and Q.-C. Zhong, A droop controller achieving proportional power sharing without output voltage amplitude or frequency deviation, in Proc. of the 2014 IEEE Energy Conversion Congress and Exposition, September 2014.
J. Cai, Q.-C. Zhong, and D. Stone, A Gamma-Z-source based Hybrid Power Converter for Battery-Fuel Cell Hybrid Electric Vehicles, in Proc. of the 10th UKACC International Conference on Control, July 2014.
W.-L. Ming and Q.-C. Zhong, A single-phase rectifier with a wide-range output voltage and reduced ripples, in Proc. of the 5th International Symposium on Power Electronics for Distributed Generation Systems (PEDG), June 2014.
J. Cai and Q.-C. Zhong, A Compact Bidirectional DC-DC Converter with Two Sources, in Proc. of the 5th International Symposium on Power Electronics for Distributed Generation Systems (PEDG), June 2014.
G. C. Konstantopoulos, Q.-C. Zhong, B. Ren, and M. Krstic, Bounded Droop Controller for Accurate Load Sharing Among Paralleled Inverters, in Proc. of the American Control Conference (ACC’14), Portland, OR, US, June 4-6 2014.
X. Cao, Q.-C. Zhong and W.-L. Ming, Analysis and Control of Ripple Eliminators in DC Systems, in Proc. of the 2014 Sixth IEEE Annual Green Technologies Conference, Corpus Christi, Texas, April 2014.
B. Ren and Q.-C. Zhong. UDE-based Robust Control of Variable-Speed Wind Turbines, in Proc. of the 39th Annual Conference of the IEEE Industrial Electronics Society (IECON 2013), Vienna, Austria, November 2013.
Q.-C. Zhong and Yu Zeng, Parallel operation of inverters with different types of output impedance, in Proc. of the 39th Annual Conference of the IEEE Industrial Electronics Society (IECON 2013), Vienna, Austria, November 2013.
Q.-C. Zhong and D. Boroyevich, A Droop Controller is intrinsically a Phase-Locked Loop, in Proc. of the 39th Annual Conference of the IEEE Industrial Electronics Society (IECON 2013), Vienna, Austria, November 2013.
B. Ren and Q.-C. Zhong. UDE-Based Robust Control for a Class of Non-affine nonlinear systems. 2013 ASME Dynamic Systems and Control Conference, Palo Alto, CA , USA, October 21-23, 2013
Q.-C. Zhong and W.-L. Ming, Single-phase Voltage-doubler with Mismatched Capacitors for Balanced Output Voltages and Reduced DC-bus Voltage Ripples, in Proc. of 2013 IEEE Energy Conversion Congress and Exposition (ECCE), Denver, Colorado, September, 2013.
Q.-C. Zhong, W.-L. Ming and M. Krstic, Improving the Power Quality of Traction Power Systems with a Single-feeding Wire, in Proc. of 2013 IEEE Fifth Annual Green Technologies Conference, Denver, Colorado, April, 2013.
Q.-C. Zhong, W.-L. Ming and M. Krstic, A Single-phase to Three-phase Power Conversion System with Reduced Switches and Improved Output Voltages, in Proc. of 2013 IEEE Fifth Annual Green Technologies Conference, Denver, Colorado, April, 2013.
Q.-C. Zhong, W.-L. Ming, X. Cao and M. Krstic, Reduction of DC-bus Voltage Ripples and Capacitors for Single-phase PWM-controlled Rectifiers, in Proc. of the 38th Annual Conference of the IEEE Industrial Electronics Society (IECON 2012), Montreal Canada, October 2012.
Q.-C. Zhong, Z. Ma and P.-L. Nguyen, PWM-controlled Rectifiers without the Need of an Extra Synchronisation Unit, in Proc. of the 38th Annual Conference of the IEEE Industrial Electronics Society (IECON 2012), Montreal Canada, October 2012.
Z. Ma and Q.-C. Zhong, Synchronverter-based Control Strategy for Back-to-back Converters in Wind Power Applications, in Proc. of The 8th IFAC Symposium on Power Plants and Power Systems Control (PP&PSC), Toulouse, France, Sept. 2012.
Q.-C. Zhong, F. Blaabjerg, J.M. Guerrero and T. Hornik, Improving the Voltage Quality of an Inverter via Bypassing the Harmonic Current Components, in Proc. of the 2012 IEEE Energy Conversion Congress and Exposition, Raleigh, North Carolina, USA, Sept. 2012.
P.-L. Nguyen, Q.-C. Zhong, F. Blaabjerg and J. M. Guerrero, Synchronverter-based Operation of STATCOM to Mimic Synchronous Condensers, in Proc. of the 7th IEEE Conference on Industrial Electronics and Applications (ICIEA 2012), Singapore, July 2012.
Z. Ma, Q.-C. Zhong and J. Yan, Synchronverter-based Control Strategies for Three-phase PWM Rectifiers, in Proc. of the 7th IEEE Conference on Industrial Electronics and Applications (ICIEA 2012), Singapore, July 2012.
Q.-C. Zhong, Power Delivery to a Current Source and Reduction of Voltage Harmonics for Inverters, in Proc. of the 2012 American Control Conference, Montréal, Canada, June 2012.
Q.-C. Zhong, Active Capacitors: Concept and Implementation, in Proc. of the2012 IEEE International Symposium on Industrial Electronics (ISIE 2012), Hangzhou, China, May 2012.
Q.-C. Zhong and P.-L. Nguyen, Sinusoid-Locked Loops based on the Principles of Synchronous Machines, in Proc. of the 24th Chinese Control and Decision Conference (2012 CCDC), Taiyuan, China, May 2012.
T. Hornik and Q.-C. Zhong, H-infinity current control strategy for the neutral point of a three-phase inverter, in Proc. of the 50th IEEE Conference on Decision and Control and European Control Conference, Orlando, FL, USA, Dec. 2011.
A. Kuperman, Q.-C. Zhong and Richard Stobart, Robust Control of Wing Rock Motion based on an Uncertainty and Disturbance Estimator, in Proc. of the 50th IEEE Conference on Decision and Control and European Control Conference, Orlando, FL, USA, Dec. 2011.
Q.-C. Zhong and Y. Zeng, Can the Output Impedance of an Inverter Be Designed Capacitive?, in Proc. of the 37th Annual Conference of the IEEE Industrial Electronics Society (IECON), Melbourne, Australia, November 2011.
Q.-C. Zhong, F. Blaabjerg, J.M. Guerrero and T. Hornik, Reduction of Voltage Harmonics for Parallel-operated Inverters Equipped with a Robust Droop Controller, in Proc. of the 2011 IEEE Energy Conversion Congress and Exposition, Phoenix, USA, Sept. 2011.
Q.-C. Zhong, Control of parallel-connected inverters to achieve proportional load sharing with voltage regulation, in Proc. of the 18th IFAC World Congress, Milan, Italy, Sept. 2011.
T. Hornik and Q.-C. Zhong, H-infinity repetitive current-voltage control of inverters in microgrids, in Proc. of the 36th Annual Conference of the IEEE Industrial Electronics Society (IECON), Phoenix, USA, Nov. 2010.
X.-L. Wang, Q.-C. Zhong, Z.-Q. Deng, Fault-tolerant control of multi-phase permanent magnetic bearingless motors, in Proc. of the International Conference on Electrical Machines (ICEM 2010), Roma, Italy, Sept. 2010.
Q.-C. Zhong, C. Matthews, P.-L. Nguyen and S. Clarke, Low-cost rapid control prototyping paradigm, in Proc. of the UKACC International Conference on CONTROL 2010, Coventry, UK, September 2010.
A. Kuperman, Q.-C. Zhong and R.K. Stobart, Filter Design for UDE-based Controllers, in Proc. of the UKACC International Conference on CONTROL 2010, Coventry, UK, September 2010.
X. Zhang, Q.-C. Zhong, H. Zhang and X. Ma, Proportional load sharing method for parallel connected inverters, in Proc. of the IEEE International Symposium on Industrial Electronics (ISIE-2010), Bari, Italy, July 2010.
T. Hornik and Q.-C. Zhong, Voltage control of grid-connected inverters based on H∞ and repetitive control, in Proc. of the 8th World Congress on Intelligent Control and Automation, China, July 2010.
Q.-C. Zhong, Speed-sensorless AC Ward Leonard drive systems, in Proc. of the 20th International Symposium on Power Electronics, Electrical Drives, Automation and Motion, Pisa, Italy, June 2010.
Q.-C. Zhong, Four-quadrant operation of AC machines powered by inverters that mimic synchronous generators, in Proc. of the 5th IET International Conference on Power Electronics, Machines and Drives, Brighton, UK, April 2010.
T. Hornik and Q.-C. Zhong, H-infinity repetitive current controller for grid-connected inverters, in Proc. of the 35th Annual Conference of the IEEE Industrial Electronics Society (IECON), Porto, Portugal, 3-5 November 2009.
S. Hadd and Q.-C. Zhong, On approximate controllability of infinite dimensional neutral systems, in Proc. of the 7th Asian Control Conference, Hong Kong, China, August 27–29, 2009.
A. Kuperman and Q.-C. Zhong, Control of uncertain linear systems with a state delay based on an uncertainty and disturbance estimator, in Proc. of the 6th IFAC Symposium on Robust Control Design, Haifa, Israel, June 16-18, 2009.
T. Hornik and Q.-C. Zhong, Control of grid-connected DC-AC converters in distributed generation: Experimental comparison of different schemes, in Proc. of the 6th Workshop on Compatibility and Power Electronics – CPE 2009, Badajoz, Spain, May 20-22, 2009.
A. Kuperman and Q.-C. Zhong, Robust UDE-based control of uncertain nonlinear state-delay systems, in Proc. of the IEEE Region 8 Conference EUROCON 2009, St.–Petersburg, Russia, May 2009.
Q.-C. Zhong, Ground-operated energy recovery system for landing aircraft, in Proc. of SUPERGEN 2009: 1st International Conference on Sustainable Power Generation and Supply, Nanjing, China, April 2009.
Q.-C. Zhong and G. Weiss, Static synchronous generators for distributed generation and renewable energy, in Proc. of the 2009 IEEE PES Power Systems Conference & Exhibition (PSCE), Washington, USA, March 2009.
S. Hadd and Q.-C. Zhong, Perturbation theory of boundary value problems and approximate controllability of perturbed boundary control problems, in Proc. of the 47th IEEE Conference on Decision and Control, Cancun, Mexico, Dec. 2008.
A. Visioli and Q.-C. Zhong, Control of integral processes with dead time: Practical issues and experimental results, in Proceedings of the International Conference on Control 2008, Manchester, UK, September 2008.
S. Hadd and Q.-C. Zhong. Necessary and sufficient conditions for feedback stabilizability of time–delay systems in Banach spaces, in Proc. of the 18th Int. Symposium on Mathematical Theory of Networks and Systems (MTNS2008), Virginia, USA, July 2008.
S. Hadd and Q.-C. Zhong, Passivity of infinite-dimensional linear systems with state, input and output delays, in Proc. of the 17th IFAC World Congress, Seoul, South Korea, July 2008.
Q.-C. Zhong, Recent results on robust control of time-delay systems, in Proc. of the 7th World Congress on Intelligent Control and Automation, Chongqing, China, June 2008.
S. Hadd and Q.-C. Zhong, Conditions on feedback stabilization of systems with state and input delays in Banach spaces, in Proc. of the 46th IEEE Conf. on Decision & Control, New Orleans, USA, Dec. 2007.
Q.-C. Zhong. Similarity transformation and algebraic Riccati equations, in Proc. of the 45th IEEE Conf. on Decision & Control, San Diego, USA, Dec. 2006.
Q.-C. Zhong. A case study for the delay-type Nehari problem, in Proc. of the 44th IEEE Conf. on Decision & Control, Seville, Spain, Dec. 2005.
Q.-C. Zhong. J-spectral factorisation via similarity transformations, in Proc. of the 16th IFAC World Congress, Prague, Czech Rep., July 2005.
Q.-C. Zhong. Rational implementation of distributed delay using extended bilinear transformations, in Proc. of the 16th IFAC World Congress, Prague, Czech Rep., July 2005.
Q.-C. Zhong, L. Hobson and M. Jayne. Generating A Stable Neutral Point For 3-Phase 4-Wire DC-AC Converters, in Proc. of the 4th Int. Workshop on Compatibility in Power Electronics (CPE 2005), Gdynia, Poland, June 2005.
Q.-C. Zhong and C.-C. Hang. Two-level control of processes with dead time and input constraints, in Proc. of the 5th IFAC Workshop on Time-Delay Systems, Leuven, Belgium, September 2004.
A. Kuperman, R. Rabinovici and Q.-C. Zhong. Time-delay compensation in solid-state excited autonomous induction generators, in Proc. of the 2nd Int. Conference on Power Electronics, Machines and Drives, vol.2, pp.769-774, Scotland, UK, April 2004.
Q.-C. Zhong. What’s wrong with the implementation of distributed delay in a control law? in Proc. of the 4th IFAC Workshop on Time-Delay Systems (TDS’03), Rocquencourt, France, September 2003.
Q.-C. Zhong. Unified Smith predictor for dead-time systems, in Proc. of the 4th IFAC Workshop on Time-Delay Systems (TDS’03), Rocquencourt, France, September 2003.
Q.-C. Zhong. Stability analysis of simple control algorithms in communication networks, in Proc. of the 2003 European Control Conference, Cambridge, UK, September 2003.
Q.-C. Zhong, S.-I. Niculescu and A. M. Annaswamy. Stability analysis of low-order combustion systems, in Proc. of the 11th Mediterranean Conference on Control and Automation, Rhodes, Greece, June 2003.
Q.-C. Zhong, T. Green, J. Liang and G. Weiss. Robust repetitive control of grid-connected DC-AC converter, in Proc. of the 41st IEEE Conf. on Decision & Control, Las Vegas, USA, Dec. 2002.
G. Meinsma, L. Mirkin and Q.-C. Zhong. H-infinity control of systems with a single delay via reduction to a one-block problem. in Proc. of the 41st IEEE Conf. on Decision & Control, Las Vegas, USA, Dec. 2002.
Q.-C. Zhong, T. Green, J. Liang and G. Weiss. H-infinity control of the neutral leg in 3-phase 4-wire DC-AC converters. in Proc. of The 28th Annual Conference of the IEEE Industrial Electronics Society (IECON’02). Seville, Spain, Nov. 2002.
G. Meinsma, L. Mirkin and Q.-C. Zhong. A Nehari theorem for continuous-time FIR systems, in Proc. of 15th International Symposium on Mathematical Theory of Networks and Systems (MTNS’02), Notre Dame, USA. August 2002.
Q.-C. Zhong. Frequency domain solution to the delay-type Nehari problem, in Proc. of the 15th IFAC World Congress, Barcelona, Spain, July 2002.
Q.-C. Zhong and H.-X. Li. Delay-type PID controller, in Proc. of the 15th IFAC World Congress, Barcelona, Spain, July 2002.
L. Mirkin and Q.-C. Zhong. Coprime parameterization of 2DOF controller to obtain sub-ideal disturbance response for processes with dead time, in Proc. of the 40th IEEE Conf. on Decision & Control, Orlando, USA, 2001.
Q.-C. Zhong and H.X. Li. Deadbeat disturbance response of integral process with dead time, in Proc. of the 40th IEEE Conf. on Decision & Control, Orlando, USA, 2001.
Q.-C. Zhong and J.E. Normey-Rico. Disturbance observer-based control for processes with an integrator and long dead-time, in Proc. of the 40th IEEE Conf. on Decision & Control, Orlando, USA, 2001.
Q.-C. Zhong and L. Mirkin. Quantitative analyses of robust stability region and disturbance response of processes with an integrator and long dead-time, in Proc. of the 40th IEEE Conf. on Decision & Control, Orlando, USA, 2001.
Q.-C. Zhong. H-infinity control of dead-time systems based on a transformation. In Proc. of the 3rd IFAC Workshop on Time Delay Systems, Santa Fe, New Mexico, USA, 2001.
