# Books:

# Journal Papers：

- Z. Tian, Q.-C. Zhong, B. Ren, J. Yuan, “UDE-based Robust Control for Systems with Mismatched Uncertainties via Feedback Compensation”,
*Int. Journal of Control*, vol. 92, no. x, pp. xx-xx, 2019, to appear. - Y. Gadelovits, D. Insepov, V. Kadirkamanathan, Q.-C. Zhong, and A. Kuperman, “UDE-Based Controller Equipped with a Multiple-Time-Delayed Filter to Improve the Voltage Quality of Inverters”,
*IEEE Trans. on Industrial Electronics*, vol.66, no.11, pp. 8947-8957, 2019. - Z. Tian, Q.-C. Zhong, B. Ren, J. Yuan, “Stabilisability analysis and design of UDE-based robust control”,
*IET Control Theory & Applications*, Vol. 13, No. 10, pp. 1445-1453, 2019. - Q.-C. Zhong and Z. Lyu, “Droop-Controlled Rectifiers that Continuously Take Part in Grid Regulation”,
*IEEE Trans. on Industrial Electronics*, vol. 66, no. 8, pp. 6516-6526, 2019. - 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. - Q.-C. Zhong and X. Zhang, “Impedance-Sum Stability Criterion for Power Electronic Systems with Two Converters/Sources”,
*IEEE Access*, vol. 7, pp. 21254-21265, 2019. - G. Konstantopoulos and Q.-C. Zhong, “Current-limiting DC/DC Power Converters”,
*IEEE Trans. on Control Systems Technology*, vol.27, no. 2, 855-863, 2019. - S. Gadelovits, Q.-C. Zhong, V. Kadirkamanathan and A. Kuperman, “UDE-Based Controller Equipped with a Time-Delayed Filter to Improve the Voltage Quality of Inverters”,
*IEEE Trans. on Industrial Electronics*, vol.66, no.1, pp. 459-469, 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. - X. Cao, Q.-C. Zhong, Y.-C. Qiao, and Z.-Q. Deng, “Multilayer Modular Balancing Strategy for Individual Cells in a Battery Pack
*”, IEEE Trans. on Energy Conversion*, vol.33, no. 2, pp. 526-536, 2018. - Q. Lu, B. Ren, S. Parameswaran, and Q.-C. Zhong, “UDE-based Robust Trajectory Tracking Control for a Quadrotor in a GPS-denied Environment”,
*ASME J. Dyn. Syst., Meas., Control*, vol. 140, no. 3, 031001, 2018. - Q.-C. Zhong, G.C. Konstantopoulos, B. Ren and M. Krstic, “Improved Synchronverters with Bounded Frequency and Voltage for Smart Grid Integration”,
*IEEE Trans. on Smart Grid*, vol. 9, no.2, 786-796, 2018. - Q.-C. Zhong and G. Konstantopoulos, “Current-limiting Three-phase Rectifiers”,
*IEEE Trans. on Industrial Electronics*, vol.65, no.2, pp. 957-967, 2018. - Q.-C. Zhong and W.-L. Ming, “Reducing the Inductors of Rectifiers having Two Outputs to Improve Power Density”,
*IEEE Trans. on Power Electronics*, vol. 32, no. 10, pp. 8150 – 8162, 2017. - R. Sanz-Diaz, P.J. Garcia Gil, P. Albertos and Q.-C. Zhong, “Robust Controller Design for Input-Delayed Systems using Predictive Feedback and an Uncertainty Estimator”，
*Int. Journal of Robust and Nonlinear Control*, vol. 27, no. 10, pp. 1826–1840, 2017. - S. Gadelovits, Q.-C. Zhong, V. Kadirkamanathan and A. Kuperman, “UDE-based Controller Equipped with a Multi-Band-Stop Filter to Improve the Voltage Quality of Inverters”,
*IEEE Trans. on Industrial Electronics*, vol.64, no.9, pp. 7433-7443, 2017. - Q.-C. Zhong, Y. Wang, and B. Ren,”UDE-Based Robust Droop Control of Inverters in Parallel Operation”,
*IEEE Trans. on Industrial Electronics*, vol.64, no.9, pp. 7552-7562, 2017. - Q.-C. Zhong, “The Ghost Operator and its Applications to Reveal the Physical Meaning of Reactive Power for Electrical and Mechanical Systems and Others”,
*IEEE Access*, vol. 5, pp. 13038-13045, 2017. - Q.-C. Zhong and G. Konstantopoulos, “Current-limiting Droop Control of Grid-connected Inverters”,
*IEEE Trans. on Industrial Electronics*, vol.64, no.7, pp. 5693-5973, 2017. - Q.-C. Zhong, “Power Electronics-enabled Autonomous Power Systems: Architecture and Technical Routes”,
*IEEE Trans. on Industrial Electronics*, vol.64, no.7, pp. 5907-5918, 2017. - B. Ren, Q.-C. Zhong and J. Dai, “Asymptotic Reference Tracking and Disturbance Rejection of UDE-Based Robust Control”,
*IEEE Trans. on Industrial Electronics*, vol.64, no.4, pp. 3166-3176, 2017. - Z.-H. Liu, H.-L. Wei, Q.-C. Zhong, and K. Liu, “Parameter Estimation for VSI-Fed PMSM based on a Dynamic PSO with Learning Strategies”,
*IEEE Trans. on Power Electronics*, vol. 32, no. 4, pp. 3154-3165, 2017. - W.-L. Ming and Q.-C. Zhong, “Current-stress Reduction for the Neutral Inductor of θ-Converters”,
*IEEE Trans. on Power Electronics*, vol. 32, no. 4, pp. 2794-2807, 2017. - B. Ren, Y. Wang, and Q.-C. Zhong, “UDE-based Control of Variable-speed Wind Turbine Systems”,
*Int. Journal of Control*, vol. 90, no. 1, pp. 137-152, 2017. - R. Sanz-Diaz, P.J. Garcia Gil, Q.-C. Zhong and P. Albertos, “Predictor-based Control of a Class of Time-Delay Systems and its Application to Quadrotors”,
*IEEE Trans. on Industrial Electronics*, vol.64, no.1, pp. 459-469, 2017. - Q.-C. Zhong, W.-L. Ming, W. Sheng and Y. Zhao, “Beijing Converters: Bridge Converters with a Capacitor added to Reduce Leakage Currents, DC-bus Voltage Ripples and Total Capacitance Required”,
*IEEE Trans. on Industrial Electronics*, vol.64, no.1, pp. 325-335, 2017. - Q.-C. Zhong, “Virtual Synchronous Machines – A unified interface for smart grid integration”,
*IEEE Power Electronics Magazine*, vol. 3., No. 4, pp. 18-27, Dec. 2016. - G.C. Konstantopoulos, Q.-C. Zhong, B. Ren and M. Krstic, “Bounded Integral Control of Input-to-State Practically Stable Non-linear Systems to Guarantee Closed-loop Stability”,
*IEEE Trans. on Automatic Control*, vol. 61, no.12, 4196-4202, 2016. - Q.-C. Zhong and W.-L. Ming, “A theta-Converter that Reduces Common Mode Currents, Output Voltage Ripples and Total Capacitance Required”,
*IEEE Trans. on Power Electronics*, vol. 31, no. 12, pp. 8435-8447, 2016. - X. Zhang and Q.-C. Zhong, “Improved Adaptive-Series-Virtual-Impedance Control Incorporating Minimum Ripple Point Tracking for Load Converters in DC Systems”,
*IEEE Trans. on Power Electronics*, vol. 31, no. 12, pp. 8088-8095, 2016. - X. Zhang, Q.-C. Zhong, and W.-L. Ming, “A Virtual RLC Damper to Stabilize DC/DC Converters Having an LC Input Filter while Improving the Filter Performance”,
*IEEE Trans. on Power Electronics*, vol. 31, no. 12, pp. 8017-8023, 2016. - Q.-C. Zhong, W.-L. Ming and Y. Zeng, “Self-Synchronized Universal Droop Controller”,
*IEEE Access*, vol. 4, pp. 7145-7153, 2016. - L. Sun, D. Li, Q.-C. Zhong, and K.-Y. Lee, “Control of a Class of Industrial Processes with Time Delay based on a Modified Uncertainty and Disturbance Estimator”,
*IEEE Trans. on Industrial Electronics*, vol.63, no.11, pp. 7018-7028, 2016. - Y. Wang, B. Ren, and Q.-C. Zhong, “Robust Power Flow Control of Grid-connected Inverters”,
*IEEE Trans. on Industrial Electronics*, vol.63, no.11, pp. 6887-6897, 2016. - Q.-C. Zhong and D. Boroyevich, “Structural Resemblance Between Droop Controllers and Phase-Locked Loops”,
*IEEE Access*, vol. 4, pp. 5733-5741, 2016. - J. Chen, B. Ren, and Q.-C. Zhong, “UDE-based Trajectory Tracking Control of Piezoelectric Stages”,
*IEEE Trans. on Industrial Electronics*, vol.63, no.10, pp. 6450-6459, 2016. - G. Konstantopoulos, Q.-C. Zhong, and W.-L. Ming, “PLL-Less Nonlinear Current-Limiting Controller for Single-Phase Grid-Tied Inverters: Design, Stability Analysis, and Operation Under Grid Faults”,
*IEEE Trans. on Industrial Electronics*, vol.63, no. 9, pp. 5582-5591, 2016. - X. Zhang, Q.-C. Zhong, and W.-L. Ming, “Stabilization of Cascaded DC/DC Converters via Adaptive Series-Virtual-Impedance Control of the Load Converter”,
*IEEE Trans. on Power Electronics*, vol. 31, no. 9, pp. 6057-6063, 2016. - G. Konstantopoulos, and Q.-C. Zhong, “Nonlinear Control of Single-Phase PWM Rectifiers with Inherent Current-Limiting Capability”,
*IEEE Access*, vol. 4, pp. 3578-3590, 2016. - R. Sanz-Diaz, P.J. Garcia Gil, Q.-C. Zhong and P. Albertos, “Robust Control of Quadrotors Based on an Uncertainty and Disturbance Estimator”,
*ASME J. Dyn. Syst., Meas., Control*, vol. 138, no. 7, 071006, 2016. - Q.-C. Zhong, W.-L. Ming, X. Cao and M. Krstic, “Control of Ripple Eliminators to Improve the Power Quality of DC Systems and Reduce the Usage of Electrolytic Capacitors”,
*IEEE Access*, vol. 4, pp. 2177-2187, 2016. - H. Wu, X. Ruan, D. Yang, X. Chen, Q.-C. Zhong and Z. Lv, “Small-Signal Modelling and Parameters Design for Virtual Synchronous Generators”,
*IEEE Trans. on Industrial Electronics*, vol.63, no. 7, pp. 4292-4303, 2016. - Q.-C. Zhong and Y. Zeng, “Universal Droop Control of Inverters with Different Types of Output Impedance”,
*IEEE Access*, vol. 4, pp. 702-712, 2016. - X. Zhang, Q.-C. Zhong and W.-L. Ming, “Stabilization of a Cascaded DC Converter System via Adding a Virtual Adaptive Parallel Impedance to the Input of the Load Converter”,
*IEEE Trans. on Power Electronics*, vol. 31, no. 3, pp. 1826-1832, 2016. - W.-L. Ming and Q.-C. Zhong, “A Single-phase Four-Switch Rectifier with Significantly Reduced Capacitance”,
*IEEE Trans. on Power Electronics*, vol. 31, no. 2, pp. 1618-1632, 2016. - X. Zhang, X.-B. Ruan and Q.-C. Zhong, “Improving the Stability of Cascaded DC/DC Converter Systems via Shaping the Input Impedance of the Load Converter with a Parallel or Series Virtual Impedance”,
*IEEE Trans. on Ind. Electronics*. vol. 62, no. 12, pp. 7499-7512, 2015. - B. Ren, Q.-C. Zhong and J. Chen, “Robust Control of Non-affine Nonlinear Systems with an Uncertainty and Disturbance Estimator (UDE)”,
*IEEE Trans. on Industrial Electronics*, vol.62, no.9, pp. 5881-5888, 2015. - G.C. Konstantopoulos, Q.-C. Zhong, B. Ren and M. Krstic, “Stability and fail-safe operation of Inverters Operated in Parallel”,
*International Journal of Control*, vol. 88, no. 7, pp. 1410-1421, 2015. - A. Kuperman and Q.-C. Zhong, “UDE-based linear robust control for a class of nonlinear systems with application to wing rock motion stabilization”,
*Nonlinear Dynamics*, 2015. - G.C. Konstantopoulos, Q.-C. Zhong, B. Ren, and M. Krstic, “Bounded Droop Controller for Parallel Operation of Inverters”,
*Automatica*, Vol. 53, no. 3, pp. 320-328, 2015. - W.-L. Ming and Q.-C. Zhong, “A single-phase rectifier having two independent voltage outputs with reduced fundamental frequency voltage ripples”,
*IEEE Trans. on Power Electronics*, vol. 30, no. 7, pp. 3662-3673, 2015. - X. Cao, Q.-C. Zhong and W.-L. Ming, “Ripple eliminator to smooth DC-Bus voltage and reduce the total capacitance required”,
*IEEE Trans. on Industrial Electronics*, vol.62, no. 4, pp. 2224-2235, 2015. - A.T. Alexandridis, G.C. Konstantopoulos, and Q.-C. Zhong, “Advanced Integrated Modeling and Analysis for Adjustable Speed Drives of Induction Motors Operating with Minimum Losses”,
*IEEE Trans. on Energy Conversion*, vol.30, no.3, pp. 1237-1246, 2015. - Q.-C. Zhong, Z. Ma, W.-L. Ming and G.C. Konstantopoulos, “Grid-friendly wind power systems based on the synchronverter technology”,
*Energy Conversion and Management*, vol. 89, pp. 719-726, 2015. - Q.-C. Zhong and Y. Zeng, “Control of inverters via a virtual capacitor to achieve capacitive output impedance”,
*IEEE Trans. on Power Electronics*, vol. 29, no. 10, pp. 5568-5578, 2014. - Q.-C. Zhong, P.-L. Nguyen, Z. Ma and W. Sheng, “Self-synchronised synchronverters: Inverters without a dedicated synchronisation unit”,
*IEEE Trans. on Power Electronics*, vol. 29, no. 2, pp. 617–630, 2014. - Q.-C. Zhong, “AC Ward Leonard drive systems: Revisiting the four-quadrant operation of AC machines”,
*European Journal of Control*, vol. 19, No. 5, 426–436, 2013. - S.M. Disney, R.D. H. Warburton and Q.-C. Zhong, “Net present value analysis of the economic production quantity”,
*IMA Journal of Management Mathematics*, vol. 24, No. 4, 423–435, 2013. - T. Hornik and Q.-C. Zhong, “Parallel PI voltage–H-infinity current controller for the neutral point of a three-phase inverter”,
*IEEE Trans. on Industrial Electronics*, vol.60, no.4, 1335-1343, 2013. - Q.-C. Zhong and T. Hornik, “Cascaded current-voltage control to improve the power quality for a grid-connected inverter with a local load”,
*IEEE Trans. on Industrial Electronics*, vol.60, no.4, 1344-1355, 2013. - Q.-C. Zhong, “Robust droop controller for accurate proportional load sharing among inverters operated in parallel”,
*IEEE Trans. on Industrial Electronics*, vol.60, no.4, 1281-1290, 2013. - Q.-C. Zhong, “Harmonic droop controller to reduce the voltage harmonics of inverters”,
*IEEE Trans. on Industrial Electronics*, vol.60, no.3, 936-945, 2013. - X.-L. Wang, Q.-C. Zhong, Z.-Q. Deng and S.-Z. Yue, “Current-controlled multi-phase slice permanent magnetic bearingless motors with open-circuited phases: Fault-Tolerant Controllability and its Verification”,
*IEEE Trans. on Industrial Electronics*, vol. 59, no. 5, 2059-2072, 2012. - Q.-C. Zhong, A. Kuperman and R.K. Stobart, “Design of UDE-based controllers from their two-degree-of-freedom nature”,
*Int. Journal of Robust and Nonlinear Control*, vol. 21, 1994–2008, 2011. - T. Hornik and Q.-C. Zhong, “A current control strategy for voltage-source inverters in microgrids based on H-infinity and repetitive control”,
*IEEE Trans. on Power Electronics*, vol. 26, no. 3, 943-952, 2011. - Q.-C. Zhong and G. Weiss, “Synchronverters: Inverters that mimic synchronous generators”
*, IEEE Trans. on Industrial Electronics*, vol.58, no.4, 1259-1267, 2011. - R.K. Stobart, A. Kuperman and Q.-C. Zhong, “Uncertainty and disturbance estimator (UDE)-based control for uncertain LTI-SISO systems with state delays”,
*ASME J. Dyn. Syst., Meas., Control*, vol. 133, 024502, 1-6, 2011. - A. Kuperman and Q.-C. Zhong, “Robust control of uncertain nonlinear systems with state delays based on an uncertainty and disturbance estimator”,
*Int. Journal of Robust and Nonlinear Control*, vol.21, no.1, 79-92, 2011. - T. Hornik and Q.-C. Zhong, “H-infinity repetitive voltage control of grid-connected inverters with a frequency adaptive mechanism”,
*IET Power Electronics*, vol.3, no.6, 925-935, 2010. - S. Shen, J. Zhang, X. Chen, Q.-C. Zhong and R. Thornton, “ISG hybrid powertrain: A rule-based driver model incorporating look-ahead information”,
*Vehicle System Dynamics*, vol. 48, no.3, 301-337, 2010. - S. Hadd and Q.-C. Zhong, “On feedback stabilizability of linear systems with state and input delays in Banach spaces”,
*IEEE Trans. on Automatic Control*, vol. 54, no.3, 438-451, 2009. - Q.-C. Zhong, A. K. Nandi and M. F. Aburdene, “Efficient implementation of the discrete Pascal transform using difference operators”,
*IET Electronics Letters*, vol. 43, no. 24, 1348-1350, 2007. - J. Sun, Q.-G. Wang and Q.-C. Zhong, “A less conservative stability test for second-order linear time-varying vector differential equations”,
*Int. Journal of Control*, vol. 80, no. 4, 523–526, April 2007. - Q.-C. Zhong, J. Liang, G. Weiss, C.-M. Feng and T. Green. “H-infinity control of the neutral point in 4-wire 3-phase DC-AC converters”.
*IEEE Trans. Industrial Electronics*, vol. 53, no.5, 1594-1602, 2006. - 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, L. Hobson, M.G. Jayne. “Classical control of the neutral point in 4-wire 3-phase DC-AC converters”.
*Electrical Power Quality and Utilisation*, vol. 11, no.2, 111-119, 2005. - Q.-C. Zhong. “
*J*-spectral factorization of regular para-Hermitian transfer matrices”.*Automatica*, vol.41, no.7, 1289-1293, 2005. - Q.-C. Zhong. “On distributed delay in linear control laws. Part II: Rational implementations inspired from the delta-operator”.
*IEEE Trans. on Automatic Control*, vol. 50, no.5, 729-734, 2005. - Q.-C. Zhong and D. Rees. “Control of uncertain LTI systems based on an uncertainty and disturbance estimator”.
*ASME J. Dyn. Syst., Meas., Control*, vol.126, no.4, 905-910, 2004. - Q.-C. Zhong and G. Weiss. “A unified Smith predictor based on the spectral decomposition of the plant”.
*Int. J. of Control*, vol. 77, no.15, pp.1362-1371, 2004. - Q.-C. Zhong. “On distributed delay in linear control laws. Part I: Discrete-delay implementations”.
*IEEE Trans. Automatic Control*, vol. 49, no.11, pp.2074-2080, 2004. - Q.-C. Zhong and C.-C. Hang. “Control of processes with dead time and input constraints using control signal shaping”.
*IEE Proc. Control Theory & Applications*, vol. 151, no.4, pp.473-480, 2004. - G. Weiss, Q.-C. Zhong, T. Green and J. Liang. “H-infinity repetitive control of DC-AC converters in micro-grids”.
*IEEE Trans. on Power Electronics*, vol. 19, pp.219-230, 2004. - L. Mirkin and Q.-C. Zhong. “2DOF Controller parametrization for systems with a single I/O delay”.
*IEEE Trans. Automatic Control,*vol. 48, no.11, pp. 1999-2004, 2003. - Q.-C. Zhong. “Robust stability analysis of simple systems controlled over communication networks”.
*Automatica,*vol.39, no.7, pp. 1309-1312, 2003. - Q.-C. Zhong. “On standard H-infinity control of processes with a single delay”.
*IEEE Trans. Automatic Control*, vol.48, no.6, pp. 1097-1103, 2003. - Q.-C. Zhong. “Frequency domain solution to the delay-type Nehari problem”.
*Automatica*, vol. 39, no. 3, pp. 499-508, 2003. - Q.-C. Zhong. “H-infinity control of dead-time systems based on a transformation”.
*Automatica*, vol. 39, no. 2, pp. 361-366, 2003. - 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. - G. Meinsma, L. Mirkin and Q.-C. Zhong. “Control of systems with I/O delay via reduction to a one-block problem”.
*IEEE Trans. Automatic Control,* - Q.-C. Zhong and L. Mirkin. “Control of integral processes with dead time. Part 2: Quantitative analysis”.
*IEE Proc. Control Theory & Applications,*vol. 149, no. 4, pp. 291-296, 2002. - Q.-C. Zhong, J.E. Normey-Rico. “Control of integral processes with dead time. Part 1: Disturbance-observer based 2DOF control scheme”.
*IEE Proc. Control Theory Applications,*vol. 149, no. 4, pp. 285-290, 2002. - Q.-C. Zhong and H.-X. Li. “Two-degree-of-freedom PID-type controller with Smith principle for processes with dead-time”.
*Industrial & Engineering Chemistry Research*, vol. 41, no.10, pp. 2448-2454, 2002. - Q.-C. Zhong, J.Y. Xie and Q. Jia. “Time-delay-filter-based dead-beat control of process with dead time”.
*Industrial & Engineering Chemistry Research*, vol.39, no.6, pp. 2024-2028, 2000. - Q.-C. Zhong and J.Y. Xie. “Robust Smith predictive controller for processes with inverse response”.
*Journal of Shanghai Jiao Tong University,*vol. E-4, no.2, pp. 10-16, 1999.

# Conference Papers:

- 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 the**2012 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 18*, Virginia, USA, July 2008.^{th}Int. Symposium on Mathematical Theory of Networks and Systems (MTNS2008) - 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.