(Please note that you are legally permitted to download the papers only if you or your institution are subscribed to the respective journals or digital libraries.)

[B1] B. Ren, S. S. Ge, C. Chen, C.-H. Fua and T. H. Lee. __Modeling, Control and Coordination of Helicopter Systems.__ Springer, 2012.

Book Chapters

[CH2] J. M. Berg and T. Dallas. __Peristaltic Pumps.__ *Encyclopedia of Microfluidics and Nanofluidics*, Springer, 2014.

[CH1] D. Myasishchev, J. Cepak, J. Berg, and M. Holtz. __Thermal Conductivity and Specific Heat of Metallic Micro- and Nanowires.__ *TMS 2013 142nd Annual Meeting and Exhibition, Supplemental Proceedings*, Wiley, 2013.

Patents

[P1] B. Ren, Y. Wang, and Q.-C. Zhong, __UDE-Based Robust Droop Control for Parallel Inverter Operation__, US Patent 15/698,956, filed on September 08, 2017 **(2017 TechConnect National Innovation Award)**.

**2018**

[J36] J. Dai, and B. Ren, and Q.-C. Zhong. __UDE-based Backstepping Control for Nonlinear Systems with Mismatched Uncertainties and Disturbances__. *ASME Journal of Dynamic Systems, Measurement and Control*, vol. 140, no. 12, pp. 121005, 2018.

[J35] J. Dai, and B. Ren. __UDE-based Robust Boundary Control for an Unstable Parabolic PDE with Unknown Input Disturbance__. *Automatica*, vol. 50, no. 1, pp. 11403-11408. 2018.

[J34] Y. Wang, and B. Ren. __Fault Ride-Through Enhancement for Grid-tied PV Systems with Robust Control.__ *IEEE Transactions on Industrial Electronics*, vol. 65, no. 3, pp. 2302-2312. 2018.

[J33] Q. Lu, B. Ren, and S. Parameswaran. __Shipboard Landing Control Enabled by an Uncertainty and Disturbance Estimator__. *Journal of Guidance, Control, and Dynamics*, vol. 41, no. 7, pp. 1502-1520, 2018.

[J32] Q. Lu, B. Ren, S. Parameswaran and Q.-C. Zhong. __Uncertainty and Disturbance Estimator-Based Robust Trajectory Tracking Control for a Quadrotor in a Global Positioning System-Denied Environment.__*Journal of Dynamic Systems, Measurement and Control*, vol. 140, no. 3, pp. 031001. 2018.

[J31] Q.-C. Zhong, G. C. Konstantopoulos, B. Ren, and M. Krstic. __Improved Synchronverters with Bounded Frequency and Voltage for Smart Grid Integration.__ *IEEE Transactions on Smart Grid*, vol. 9, no. 2, pp. 786-796. 2018.

**2017**

[J30] Y. Dong, and B. Ren. __UDE-based Variable Impedance Control of Uncertain Robot Systems____.__ * IEEE Transactions on Systems, Man, and Cybernetics: Systems*, 2017. DOI: 10.1109/TSMC.2017.2767566.

[J29] B. Ren, Y. Wang, and Q.-C. Zhong. __UDE-based Control of Variable-speed Wind Turbine Systems.__* International Journal of Control*. vol. 90, no. 1, pp. 137-152. 2017.

[J28] B. Ren, Q.-C. Zhong, and J. Dai. __Asymptotic Reference Tracking and Disturbance Rejection of UDE-Based Robust Control.__ *IEEE Transactions on Industrial Electronics*, vol. 64, no. 4, pp. 3166-3176. 2017.

[J27] Q.-C. Zhong, Y. Wang, and B. Ren. __UDE-Based Robust Droop Control of Inverters in Parallel Operation.__ *IEEE Transactions on Industrial Electronics*, vol. 64, no. 9, pp. 7552-7562. 2017.

**2016**

[J26] Y. Wang, B. Ren, and Q.-C. Zhong. __Robust Power Flow Control of Grid-Connected Inverters.__ *IEEE Transactions on Industrial Electronics*, vol. 63, no. 11, pp. 6887-6897. 2016.

[J25] J. Chen, B. Ren and Q.-C. Zhong. __UDE-based Trajectory Tracking Control of Piezoelectric Stages.__* IEEE Transactions on Industrial Electronics*, vol. 63, no. 10, pp. 6450-6459. 2016.

[J24] 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 Transactions on Automatic Control*, vol. 61, no. 12, pp. 4196-4202. 2016.

**2015**

[J23] B. Ren, Q.-C. Zhong, and J. Chen. __Robust Control for a Class of Non-affine Nonlinear
Systems Based on the Uncertainty and Disturbance Estimator.__ IEEE Transactions on
Industrial Electronics. vol. 62, no. 9, pp. 5881–5888. 2015.

[J22] C. Mou, B. Ren, Q. Wu, and C.-S. Jiang. __Anti-disturbance control of hypersonic flight vehicles with input saturation using disturbance observer.__ Science China Information Sciences. vol. 58, no.7, pp. 1-12. 2015.

[J21] G. C. Konstantopoulos, Q.-C. Zhong, B. Ren, and M. Krstic. __Stability Analysis and
Fail-safe Operation of Inverters Operated in Parallel.__ International Journal of Control. vol. 88, no. 7, pp. 1410-1421. 2015.

[J20] 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.

[J19] J.-M.Wang, J. Liu, B. Ren, and J. Chen. __Sliding Mode Control to Stabilization of Cascaded
PDE-ODE Systems Subject to Boundary Control Matched Disturbance.__ *Automatica.* vol.51, no.2, pp. 23-34. 2015.

[J18] D. H. S. Maithripala, and Jordan M. Berg. __An intrinsic PID controller for mechanical systems on Lie groups.__ *Automatica*. vol. 54, no. 4, pp. 189-200. 2015.

[J17] J. M. Berg and I. P. M. Wickramasinghe. __Vibrational control without averaging.__ *Automatica*. vol. 58, no. 8, pp. 72-81. 2015.

2013

[J16] B. Ren, J.-M. Wang, and M. Krstic. __Stabilization of an ODE-Schrodinger Cascade.__* Systems and Control Letters*, vol. 62, no. 6, pp. 503-510. 2013.

[J15] J. M. Berg, D. H. S. Maithripala, Q. Hui, and W. M. Haddad. __Thermodynamics-based control of network systems.__ *Journal of Dynamic Systems, Measurement, and Control*. vol. 135, no. 5, pp. 051003. 2013.

[J14] Q. Hui, and J. M. Berg. __Semistability theory for spatially distributed systems.__ *Systems & Control Letters.* vol. 62, no. 10, pp. 862-870. 2013.

Before 2013

[J13] B. Ren, P. Frihauf, R. J. Rafac, and M. Krstic. __Laser pulse shaping via extremum seeking.__ *Control Engineering Practice*. vol. 20, no. 7, pp. 674-683. 2012.

[J12] J.-M. Wang, B. Ren, and M. Krstic. __Stabilization and Gevrey Regularity of a Schrodinger Equation in Boundary Feedback with a Heat Equation.__ *IEEE Transactions on Automatic Control*. vol. 57, no. 1, pp. 179-185. 2012.

[J11] R. Cui, B. Ren, and S. S. Ge. __Synchronized Tracking Control of Multi-Agent System with High-Order Dynamics.__ *IET Control Theory and Applications*. vol. 6, no. 5, pp. 603-614. 2012.

[J10] K. P. Tee, B. Ren, and S. S. Ge. __Control of Nonlinear Systems with Time-Varying Output Constraints.__ *Automatica*. vol. 47, no. 11, pp. 2511-2516. 2011.

[J9] P. P. San, B. Ren, S. S. Ge, and T. H. Lee. __Adaptive Neural Network Control of Hard Disk Drives with Hysteresis Friction Nonlinearity.__ *IEEE Transactions on Control Systems Technology*. vol. 19, no. 2, pp. 351-358. 2011.

[J8] M. Chen, S. S. Ge, and B. Ren. __Adaptive Tracking Control of Uncertain MIMO Nonlinear Systems with Input Constraints.__ *Automatica*. vol. 47, no. 3, pp. 452-465. 2011.

[J7] M. Chen, S. S. Ge, and B. Ren. __Robust Attitude Control of Helicopters with Actuator Dynamics Using Neural Networks.__ *IET Control Theory and Applications*. vol. 4, no. 12, pp. 2837-2854. 2010.

[J6] B. Ren, S. S. Ge, K. P. Tee, and T. H. Lee. __Adaptive Neural Control for Output Feedback Nonlinear Systems Using a Barrier Lyapunov Function.__ *IEEE Transactions on Neural Networks*. vol. 21, no.8, pp. 1339-1345. 2010.

[J5] B. Ren, S. S. Ge, T. H. Lee, and C.-Y. Su. __Adaptive Neural Control for a Class of Nonlinear Systems with Uncertain Hysteresis Inputs and Time-Varying State Delays.__ *IEEE Transactions on Neural Networks*. vol. 20, no.7, pp. 1148-1164. 2009.

[J4] B. Ren, S. S. Ge, C.-Y. Su and, T. H. Lee. __Adaptive Neural Control for a Class of Uncertain Nonlinear Systems in Pure-Feedback Form with Hysteresis Input.__ *IEEE Transactions on Systems, Man, and Cybernetics-Part B: Cybernetics*. vol. 39, no. 2, pp. 431-443. 2009.

[J3] S. S. Ge, B. Ren, K. P. Tee, and T. H. Lee. __Approximation Based Control of Uncertain Helicopter Dynamics.__ *IET Control Theory and Applications*. vol. 3, no. 7, pp. 941-956. 2009.

[J2] F. Hong, S. S. Ge, B. Ren, and T. H. Lee. __Robust Adaptive Control for a Class of Uncertain Strict-Feedback Nonlinear Systems.__ *International Journal of Robust and Nonlinear Control*. vol. 19, no. 7, pp. 746-767. 2009.

[J1] S. S. Ge, B. Ren, and T. H. Lee. __Hard Disk Drives Control in Mobile Applications. __*Journal of Systems Science and Complexity.* vol. 20, no. 2, pp. 215-224. 2007.

[C56] J. Dai, C. Annasiwatta, J. M. Berg, A. Bernussi, Z. Fan and B. Ren. Continuous Phase Transition Control of Vanadium Dioxide Using Feedback Mechanism. *2018 ASME International Mechanical Engineering Congress and Exposition (IMECE), 2018*.

[C55] Y. Wang, Y. Dong, B. Ren and Q.-C. Zhong. UDE-based Robust Control for AC/DC Converters. *44th Annual Conference of the IEEE Industrial Electronics Society (IECON2018) Proceedings, IEEE, 2018*.

[C54] Q. Lu, S. Parameswaran, and B. Ren. Heat Transfer by a Rotating Liquid Jet Impingement Cooling System. *2018 ASME International Mechanical Engineering Congress and Exposition (IMECE), 2018*.

[C53] Y. Wang, B. Ren and Q.-C. Zhong. __Bounded UDE-based Controller for Systems with Input Constraints.__ *2018 IEEE Conference on Decision and Control (CDC), 2018*.

[C52] Y. Wang, B. Ren and Q.-C. Zhong. __Bounded Integral Controller for MIMO Nonlinear Systems with Inputs Constraint.__ *2018 American Control Conference, 2018*.

[C51] J. Dai, B. Ren and Q.-C. Zhong. __Output Feedback Trajectory Tracking Control via Uncertainty and Disturbance Estimator.__ *2018 American Control Conference, 2018*.

[C50] R. Guo, B. Ren and J. Dai. __Robust Tracking for a Class of Uncertain Switched Linear Systems Based on the Uncertainty and Disturbance Estimator__. In * Proceedings of the 2017 Asian Control Conference, Gold Coast, Australia, December 17-20, 2017*.

[C49] J. Yan, Z. Peng, H. Hong, X. Zhu, Q. Lu, B. Ren, and C. Li. __Indoor Range-Direction-Movement SAR for Drone-based Radar Systems.__ *2017 IEEE Asia Pacific Mocrowave Conference, Kuala Lumpur, Malaysia, November 13-16, 2017**.*

[C48] Y. Wang, B. Ren and Q.-C. Zhong. __Bounded-voltage Power Flow Control for Grid-tied PV Systems__. In * Proceedings of the 20th World Congress of the International Federation of Automatic Control,Toulouse, France, July 9-14, 2017*.

[C47] J. Dai, B. Ren. __UDE-based Boundary Control of Heat Equation with Unknown Input Disturbance.__ In *Proceedings of the 20th World Congress of the International Federation of Automatic Control,*Toulouse, France, *July 9-14, 2017*.

[C46] Y. Wang, B. Ren and Q.-C. Zhong. __Robust Control of DC-DC Boost Converters for Solar Systems__. *In Proceedings of the 2017 American Control Conference, Seattle, USA, May 24-26, 2017*.

[C45] J. Chen, B. Ren, and Q.-C. Zhong. __High Bandwidth Control of a Piezoelectric Stage in the Presence of Rate-Dependent Hysteresis.__ *In Proceedings of the 2016 ASME Information Storage and Processing Systems Conference, Santa Clara, USA, June 20-21, 2016.*

[C44] Q. Lu, B. Ren, S. Parameswaran and Q.-C. Zhong. __Robust Position Control of a Quadrotor Using Onboard Optical Flow Sensor.__ *In Proceedings of the 2016 ASME Dynamic Systems and Control Conference, Minneapolis, USA, October 12-14, 2016.*

[C43] J. Dai, B. Ren and Q.-C. Zhong. __UDE-based Robust Control for Nonlinear Systems with Mismatched Uncertainties and Input Saturation__. *In Proceedings of the 2016 Chinese Control Conference, Chengdu, China, July 27-29, 2016.*

[C42] Y. Wang, Q.-C. Zhong and B. Ren. __Robust Control for Parallel Operated L-Inverters with Uncertainty and Disturbance Estimator__. *In Proceedings of the 2016 IEEE Energy Conversion Congress & Exposition, Milwaukee, USA, September 18-22, 2016.*

[C41] Y. Wang, B. Ren and Q.-C. Zhong. __Robust Power Flow Control of Grid-tied Inverters Based on the Uncertainty and Disturbance Estimator__. *In Proceedings of the 2016 American Control Conference, Boston, USA, July 6-8, 2016 ***(Best Session Presentation Award)***.*

[C40] J. Dai, B. Ren and Q.-C. Zhong. __UDE-based Dynamic Surface Control for Strict-feedback Systems with Mismatched Disturbances__. *In Proceedings of the 2016 American Control Conference, Boston, USA, July 6-8, 2016.*

[C39] A. W. C. D. Annasiwatta, J. Chen, J. M. Berg, A. Bernussi, Z. Fan and B. Ren. __Modeling Hysteresis in Vanadium Dioxide Thin Films____.__ *In Proceedings of the 2016 American Control Conference, Boston, USA, July 6-8, 2016.*

[C38] J. Dai, Q. Lu, B. Ren, and Q.-C. Zhong. __Robust Attitude Tracking Controlfor a Quadrotor Based on the Uncertainty and Disturbance Estimator.__ *In Proceedings of the 2015 ASME Dynamic Systems and Control Conference, Columbus, USA, October 28-30, 2015. *

[C37] S. Liyanage, J. M. Berg, B. Ren, and D. H. S. Maithripala. __Intrinsic UDE Control of Mechanical Systems on SO(3).__ *In Proceedings of the 2015 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM 2015), Busan, Korea, July 7-11, 2015.*

[C36] G. Konstantopoulos, Q.-C. Zhong, B. Ren, and M. Krstic.

[C35] J. Chen, B. Ren, and Q.-C. Zhong.

[C34] G. Konstantopoulos, Q.-C. Zhong, B. Ren, and M. Krstic.

[C33] J.-M. Wang, L.-L. Wang, J.-J. Liu, and B. Ren.

[C32] G. C. Konstantopoulos, Q.-C. Zhong, B. Ren, and M. Krstic.

[C31] D. H. S. Maithripala and J. M. Berg. __An intrinsic robust PID controller on lie groups.__ * In Proceedings of the 53rd IEEE Conference on Decision and Control,* Los Ageles, CA, USA, December 15-17, 2014.

[C30] P. Kalana, and J. M. Berg. Qualitative Behavioral Analyzer for Fault Detection and Cyber Security of Control Networks. *In Proceedings of the 2014 ASME Dynamic Systems and Control Conference, San Antonio, USA, October 22-24, 2014. *

[C29] D. H. S. Maithripala and J. M. Berg. __Geometric PID control for almost-global stabilization of a quadrotor with parameter error and constant disturbances.__ *In Proceedings of the 2014 ASME Dynamic Systems and Control Conference, San Antonio, USA, October 22-24, 2014. *

[C28] D. H. S. Maithripala and J. M. Berg. __Robust Tracking Control for Underactuated Autonomous Vehicles Using Feedback Linearization.__ *In Proceedings of 2014 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM 2014), Besancon, France, July 8-11, 2014.*

[C27] D. H. S. Maithripala J. M. Berg, et al. __A geometric virtual structure approach to decentralized formation control.__* In Proceedings of the 2014 American Control Conference,* Portland, Oregon, USA, June 4-6, 2014.

[C26] I. P. M. Wickramasinghe, and J. M. Berg. A Linearization-Based Approach to Vibrational Control of Second-Order Systems.* In Proceedings of the 2013 ASME Dynamic Systems and Control Conference, Palo Alto, CA , USA, October 21-23, 2013.*

[C25] B. Ren and Q.-C. Zhong. __UDE-based Robust Control of Variable-Speed Wind Turbines.__ *The 39th Annual Conference of the IEEE Industrial Electronics Society (IECON2013),* Vienna, Austria, November 10-13, 2013.

[C24] 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.

[C23] B. Ren, S. S. Ge, T. H. Lee, and M. Krstic. __Region Tracking Control for Multi-Agent Systems with High-Order Dynamics.__ *In Proceedings of the 2013 American Control Conference,* Washington, DC, USA, June 17-19, 2013.

[C22] D. H. S. Maithripala, J. M. Berg, D. H. A. Maithripala, and S. Jayasuriya. __Control of rigid formations subject to nonholonomic dynamics constraints and velocity bounds.__ *In Proceedings of the 2013 IEEE 8th International Conference on Industrial and Information Systems (ICIIS2013)*, Aug. 18-20, Sri Lanka, 2013.

[C21] I. P. M. Wickramasinghe and J. M. Berg. __Vibrational control of Mathieu's equation.__ *In Proceedings of 2013 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM 2013).*

[C20] I. P. M. Wickramasinghe and J. M. Berg. __Delay of side pull-in for an electrostatic comb drive model with rotational degree of freedom.__ *In Proceedings of the 2013 American Control Conference, *Washington, DC, USA, June 17-19, 2013.

[C19] B. Ren, J.-M. Wang, and M. Krstic. __Stabilization of an ODE-Schrodinger Cascade.__ *In Proceedings of the 2012 American Control Conference,* Montreal, Canada, June 27- 29, 2012.

[C18] B. Ren, P. Frihauf, M. Krstic, and R. J. Rafac. __Laser pulse shaping via iterative learning control and infinite-dimensional extremum seeking.__ *2011 ASME Dynamic Systems and Control Conference,* Arlington, VA, USA, October 31-Nov 2, 2011.

[C17] J.-M. Wang, B. Ren, and M. Krstic. __Stabilization of coupled Schrodinger and heat equations with boundary coupling.__ *The 30th Chinese Control Conference,* Yantai, China, July 22-24, 2011.

[C16] S. S. Ge, W. He, B. Ren, and Y. S. Choo. __Boundary Control of a Flexible Marine Installation System.__ *In Proceedings of the 49th IEEE Conference on Decision and Control,* Atlanta, GA, USA, December 15-17, 2010.

[C15] R.Cui, S. S. Ge, and B. Ren. __Synchronized Tracking Control of Multi-Agent System with Limited Information.__ *In Proceedings of the 49th IEEE Conference on Decision and Control,* Atlanta, GA, USA, December 15-17, 2010.

[C14] R.Cui, S. S. Ge, and B. Ren. __Synchronized Altitude Tracking of Multiple Unmanned Helicopters.__ *In Proceedings of the 2010 American Control Conference,* Baltimore, MD, USA, June 30-July 02, 2010.

[C13] B. Ren, H. Pei, Z. Sun, S. S. Ge, and T. H. Lee. __Decentralized Cooperative Control for Swarm Agents with High-Order Dynamics.__ *In Proceedings of the 2009 IEEE International Conference on Automation and Logistics,* Shenyang, China, August 5-7, 2009.

[C12] B. Ren, S. S. Ge, Y. Li, Z. X. Jiao, J. K. Liu, and T. H. Lee. __Target Region Tracking for Multi-Agent Systems.__ *In Proceedings of the 7th Asian Control Conference,* Hong Kong, China, August 27-29, 2009.

[C11] K. P. Tee, S. S. Ge, H. Li, and B. Ren. __Control of Nonlinear Systems with Time-Varying Output Constraints.__ *In Proceedings of the 7th IEEE International Conference on Control & Automation,* Christchurch, New Zealand, December 9-11, 2009.

[C10] B. Ren, S. S. Ge, K. P. Tee, and T. H. Lee. __Adaptive Control for Parametric Output Feedback Systems with Output Constraint.__ *In Proceedings of the Joint 48th IEEE Conference on Decision and Control and 28th Chinese Control Conference,* Shanghai, P.R. China, December 16-18, 2009.

[C9] B. Ren, P. P. San, S. S. Ge, and T. H. Lee. __Adaptive Dynamic Surface Control for a Class of Strict-Feedback Nonlinear Systems with Unknown Backlash-Like Hysteresis.__ *In Proceedings of the 2009 American Control Conference,* St. Louis, MO, USA, June 10-12,2009.

[C8] B. Ren, S. S. Ge, T. H. Lee, and C.-Y. Su. __Adaptive Neural Control for Uncertain Nonlinear Systems in Pure-feedback Form with Hysteresis Input.__ *In Proceedings of the 47th IEEE Conference on Decision and Control,* Cancun, Mexico, December 9-11, 2008.

[C7] B. Ren, P. P. San, S. S. Ge, and T. H. Lee. __Robust Adaptive NN Control of Hard Disk Drives with Hysteresis Friction Nonlinearity.__ *In Proceedings of the 17th IFAC World Congress,* Seoul, Korea, July 6-11, 2008.

[C6] T. H. Lee, B. Ren, and S. S. Ge. __Adaptive Neural Control of SISO Time-Delay Nonlinear Systems with Unknown Hysteresis Input.__ *In Proceedings of the 17th IFAC World Congress,* Seoul, Korea, July 6-11, 2008.

[C5] S. S. Ge, B. Ren, T. H. Lee and C.-Y. Su. __Adaptive Neural Control of SISO Non-Affine Nonlinear Time-Delay Systems with Unknown Hysteresis Input.__ *In Proceedings of the 2008 American Control Conference,* Seattle, Washington, USA, June 11-13, 2008.

[C4] B. Ren, S. S. Ge, and T. H. Lee. __Adaptive NN Control of Strict-feedback Systems Using ISS-modular Approach.__ *In Proceedings of the 46th IEEE Conference on Decision and Control,* New Orleans, Louisiana USA, December 12-14, 2007.

[C3] B. Ren, S. S. Ge, and T. H. Lee. __Adaptive Neural Network Control for a Class of Nonlinear Systems with Unknown Control Gain.__ *In Proceedings of the Advanced Fuzzy and Neural Control Workshop,* Valenciennes, France, October 29-30, 2007.

[C2] S. S. Ge and B. Ren. __Neural Network Control for Non-affine Nonlinear Systems.__ *In Proceedings of the European Control Conference 2007,* Valenciennes, Kos, Greece, July 2-5, 2007.

[C1] S. S. Ge, B. Ren, and K. P. Tee. __Adaptive Neural Network Control of Helicopters with Unknown Dynamics.__ *In Proceedings of the 45th IEEE Conference on Decision and Control,* San Diego, CA, USA, December 13-15, 2006.