Selected Publications

2018

  • S. Islam, P. X. Liu, A. El Saddik, J. Dias, D. Seneviratne, "Artificial and Virtual Impedance Interaction Force Reflection Based Bilateral Shared Control for Miniature Unmanned Aerial Vehicle,"  IEEE Transactions on Industrial Electronics, DOI10.1109/TIE.2018.2793178.

  • H. Wang, P. X, Liu, B. Niu, “Robust Fuzzy Adaptive Tracking Control for Nonaffine Stochastic Nonlinear Switching Systems,” IEEE Transactions on Cybernetics, DOI: 10.1109/TCYB.2017.2740841, 2017

  • H. Wang, H. R. Karimi, P. X. Liu, H. Yang. “Adaptive Neural Control of Nonlinear Systems with Unknown Control Directions and Input Dead-Zone,” IEEE Transactions on Systems, Man and Cybernetics: Systems. DOI: 10.1109/TSMC.2017.2709813

  • S. Liu, P. X, Liu, “Distributed Model-Based Control and Scheduling for Load Frequency Regulation of Smart Grids over Limited Bandwidth Networks,” IEEE Transactions on Industrial Informatics, vol. 14, no.5, pp.1814-1823, May 2018

  • H. Wang, W. Liu, J. Qiu, P. X. Liu, “Adaptive Fuzzy Decentralized Control for A Class of Strong Interconnected Nonlinear Systems with Unmodeled Dynamics,” IEEE Transactions on Fuzzy Systems, vol.26, no.2, pp.836-846, Apr. 2018 

  • S. Islam, P. X. Liu, A. El Saddik, “Observer-Based Adaptive Output Feedback Control for Miniature Aerial Vehicle,” IEEE Transactions on Industrial Electronics, vol.65, no.1, pp. 470-477, Jan. 2018

2017

  • H. Wang, P. X, Liu, S. Liu, “Adaptive Neural Synchronization Control for Bilateral Teleoperation Systems With Time Delay and Backlash-Like Hysteresis,” IEEE Transactions on Cybernetics, vol. 47, no. 10, pp.3018-3026, Oct. 2017

  • H. Wang, P. X, Liu, P. Shi “Observer-Based Fuzzy Adaptive Output-Feedback Control of Stochastic Nonlinear Multiple Time-Delay Systems,” IEEE Transactions on Cybernetics, vol. 47, no. 9, pp.2568-2578, Sept. 2017

  • S. Liu, X. Wang, and P. X. Liu, “A stochastic stability enhancement method of grid-connected distributed energy storage systems,” IEEE Transactions on Smart Grid, vol.8, no.5, pp.2062-2070, Sept. 2017

  • Q. Liu, P. X. Liu, Y. Wang, H. Leung, “ Semiparametric Decolorization with Laplacian-based Perceptual Quality Metric,” IEEE Transactions on Circuits and Systems for Video Technology, vol.27, no.9, pp.1856-1868, Sept. 2017

  • S. Liu, P.X. Liu, X. Wang,  Z. Wang, W. Meng, “Effects of Correlated Photovoltaic Power and Load Uncertainties on Grid-Connected Microgrid Day-Ahead Scheduling,” IET Generation, Transmission & Distribution, vol.11, no. 14, pp.3620-3627, Sep. 2017

  • H. Wang, W. Sun, P. X. Liu, “Adaptive Intelligent Control of Nonaffine Nonlinear Time-Delay Systems With Dynamic Uncertainties,” IEEE Transactions on Systems, Man, and Cybernetics: Systems, vol.47, no.7, pp.1474-1485, Jul. 2017

  • S. Islam, P. X. Liu, “Observer based robust output feedback coordination control for bilateral shared autonomous system,” Journal of the Franklin Institute, vol. 354, no.8, pp.3189-3209, May 2017

  • S. Liu, P.X. Liu, X. Wang, “Stability Analysis and Compensation of Network-induced Delays in Communication-based Power Control Systems: A Survey,” ISA Transactions, vol.66, pp.143-153, Jan. 2017

2016

  • S. Liu, P.X. Liu, X. Wang, “Stability Analysis of Grid-Interfacing Inverter Control in Distribution Systems with Photovoltaic-Based Distributed Generations,” IEEE Transactions on Industrial Electronics, 63(12):7339-7348, 2016

  • S. Liu, P. X. Liu, X. Wang “Stochastic Small-Signal Stability Analysis of Grid-Connected Photovoltaic Systems," IEEE Transactions on Industrial Electronics, 63(2):1027-1038, 2016

  • H. Wang, X. Liu,  P. X, Liu, S. Li “Robust Adaptive Fuzzy Fault-Tolerant Control for A Class Of Non-Lower-Triangular Nonlinear Systems with Actuator Failures,” Information Sciences, 336: 60–74,2016

  • H. Wang, W. Liu, P. X. Liu, H.K. Lam, “Adaptive Fuzzy Decentralized Control for a Class of Interconnected Nonlinear System with Unmodeled Dynamics and Dead Zones,”Neurocomputing, Vol.214: pp. 972-980, 2016

  • S. Islam, X. P. Liu, A. E. Saddik, J. Dias, L. D. Seneviratne, “Adaptive Control for Robot Manipulators using Multiple Parameter Models,” International Journal of Control Automation and Systems,  14(5): 1365-1375, 2016

2015

  • Q. Liu, P. X. Liu, W. Xie, Y. Wang, D. Liang, “GcsDecolor: Gradient Correlation Similarity for Efficient Contrast Preserving Decolorization,” IEEE Transactions on Image Processing, 24(9):2889-904, 2015

  • S. Islam, P. X. Liu, A. El Saddik, “Robust Adaptive Control of Four Rotor Unmanned Aerial Vehicles with Uncertainty, " IEEE Transactions on Industrial Electronics, 62(3): 1563 – 1571, 2015

  • S. Liu, X. Wang, P. X. Liu, “Impact of Communication Delays on Secondary Frequency Control in An Islanded Microgrid", IEEE Transactions on Industrial Electronics, 62(4):2021-2031,2015

  • S. Liu, P. X. Liu, and A. El Saddik, “Modeling and Stability Analysis of Automatic Generation Control Over Cognitive Radio Networks in Smart Grids,” IEEE Transactions on Systems, Man, and Cybernetics: Systems, 45(2):223-234, 2015

  • S. Islam,  P. X. Liu, A. El Saddik, “Bilateral Control of Teleoperation Systems with Time Delay,” IEEE/ASME Transactions Mechatronics, 20(1):1-12, 2015

  • C. Hua, Y. Yang, P. X. Liu “Output-Feedback Adaptive Control of Networked Teleoperation System With Time-Varying Delay and Bounded Inputs,” IEEE/ASME Transactions Mechatronics, 20(5):2009-2020, 2015

  • S. Islam,  X. P. Liu, A. El Saddik, J. Dia, L. Seneviratne, “Bilateral Shared Autonomous Systems with Passive and Nonpassive Input Forces under Time Varying Delay,” ISA Transactions, 54: 218-228, 2015

  • S. Islam, P. X. Liu, A. El Saddik, “Nonlinear Adaptive Control for Teleoperation Systems with Symmetric and Unsymmetric Time-varying Delay," International Journal of Systems Science, 46(16):2928-2938,2015

  • S. Islam,  X. P. Liu, A. El Saddik, “Adaptive Sliding Mode Control of Unmanned Four Rotor Flying Vehicle ,” International Journal of Robotics & Automation, 30(2):140-148, 2015

2014

  • H. Wang, X. P. Liu, “Adaptive Shared Control for a Novel Mobile Assistive Robot,” IEEE/ASME Transactions Mechatronics,19(6):1725-1736, 2014

  • X. He, R. Goubran, X. P. Liu, “Secondary Peak Detection of PPG Signal for Continuous Cuff-less Arterial Blood Pressure Measurement,” IEEE Trans Instrumentation and Measurement, 63(6):1431-1439, 2014.

  • S. Islam, P. X. Liu, A. El Saddik, “Nonlinear Adaptive Control for Quadrotor Flying Vehicle", Nonlinear Dynamics, 78(1):117-133, 2014

  • S. Liu, P. X. Liu and A. El Saddik, “A stochastic game approach to the security issue of networked control systems under jamming attacks,” Journal of the Franklin Institute, 351(9): 4570–4583,2014

  • S. Liu, X. P. Liu, “Modeling and Distributed Gain Scheduling Strategy for Load Frequency Control in Smart Grids with Communication Topology Changes” ISA Transactions, 53(2):454-461,14

  • S. Islam, P. X. Liu and A. El Saddik, “Nonlinear control for teleoperation systems with time varying delay,” Nonlinear Dynamics, 76(2): 931-954, 2014

  •  S. Islam, X. P. Liu, A. El Saddik, “New Stability and Tracking Criteria for a Class of Bilateral Teleoperation Systems,” Information Sciences, 278(10): 868–882,2014

  •  X. He, R. Goubran, X. P. Liu, "EMD-based sub-band adaptive filtering for acoustic echo cancellation", International Journal of Speech Technology , 17:37-42, 2014

2013

  • C. Hua, X. P. Liu, “A New Coordinated Slave Torque Feedback Control Algorithm for Network-based Teleoperation Systems,” IEEE/ASME Trans. Mechatronics, 18(2):764-774,2013

  • S. Islam, X. P. Liu, A. El Saddik, “Bilateral Teleoperation Systems with Symmetric and Unsymmetric Time Varying Communication Delay,” IEEE Trans. Instrumentation & Measurement62(11): 2943-2953,2013

2012

  • J. P. Rhinelander, X. P. Liu, “Stochastic Subset Selection for Learning with Kernel Machines,” IEEE Trans. Systems, Man and Cybernetics Part B, 42(3):616-626, 2012

  • I. G. Polushin, X. P. Liu, C.-H. Lung, “Stability of Bilateral Teleoperators with Generalized Projection-Based Force Reaction Algorithms,” Automatica, 48( 6): 1005-1016,2012

  • S. Bu, R. Yu, Y. Cai, X. P. Liu, "When the Smart Grid Meets Energy-Efficient Communications: Green Wireless Cellular Networks Powered by the Smart Grid,” IEEE Transactions on Wireless Communications, 11(8):3014-3023, 2012

  • X. P. Liu, A. Alamri, G. Liu, “Guest Editorial Special Section on the IEEE International Symposium on Haptic Audio–Visual Environments and Games” IEEE Trans. Instrumentation and Measurement, 61(12): 3125-3126, 2012

  • X. P. Liu, W. Gueaieb, S. C. Mukhopadhyay, W. Warwick, Z. Yin,  Introduction to the Focused Section on Wireless Mechatronics,”  IEEE/ASME Trans. Mechatronics, 17(3): 397-403, 2012

2011

  • H. Wang, X. P. Liu, “Haptic Interaction for Mobile Assistive Robots,” IEEE Trans. Instrumentation and Measurement, 60(11): 3501-3509, 2011

  • S. Bu, R. Yu, X. P. Liu, H. Tang “Structural Results for Combined Continuous User Authentication and Intrusion Detection in High Security Mobile Ad-hoc Networks,” IEEE Trans. Wireless Communications, 10(9):3064-3073,2011

  • S. Islam, P.X. Liu, “Robust Sliding Mode Control for Robot Manipulators,” IEEE Trans. Industrial Electronics, 58(6):2444-2453, 2011

  • S. Bu, F. R. Yu, X. P. Liu, P. Mason, H. Tang, “Distributed Combined Authentication and Intrusion Detection with Data Fusion in High Security Mobile Ad-hoc Networks,” IEEE Trans. Vehicular Technology, 60(3):1025-1036, 2011

  • S. Islam, P.X. Liu, “Robust Adaptive Fuzzy Output Feedback Control System for Robot Manipulators,” IEEE/ASME Trans. Mechatronics, 16(2): 288-296, 2011

  • C. Hua, X. P. Liu, “Teleoperation over the Internet with/without Velocity Signal,” IEEE Trans. Instrumentation and Measurement, 60(1):4-13,2011

  • S. Islam, P.X. Liu, “PD Output Feedback Control Design for Industrial Robotic Manipulators,” IEEE/ASME Trans. Mechatronics, 16(1):187-197, 2011

  • S. Islam, P.X. Liu, “PD Output Feedback Control Design for Industrial Robotic Manipulators,” IEEE/ASME Trans. Mechatronics, 16(1):187-197, 2011

  • S. Islam, P.X. Liu, “A Hybrid Adaptive Control Approach for Robust Tracking of Robotic Manipulators: Theory and Experiment," Robotica,29(2): 255-269, 2011

  • W. Li, P.X. Liu, “Adaptive Tracking Control of a MEMS Gyroscope with H-infinity Performance,” J. Control Theory and Applications, 9(2): 237–243,2011

  • J. Chu, X. P. Liu, C. Jiao, J. Miao, L. Wang, “Multi-view Reconstruction Of Annular Outdoor Scenes From Binocular Video Using Global Relaxation Iteration,” Int. J. Robotics and Automation, 26(3):272-281,2011            

2010

  • C. Hua, X. P. Liu, “Delay-Dependent Stability Criteria of Tele-operation Systems with Unsymmetrical Time-Varying Delays,” IEEE Trans. Robotics, 26(5):925-932, 2010

  • Y. Ye, P. X. Liu, “Improving Trajectory Tracking in Wave-Variable-Based Teleoperation,” IEEE/ASME Trans. Mechatronics, 15(2):321-326, 2010

  • F. Ding, P. X. Liu, G. Liu, “Multi-innovation Least Squares Identification for System Modelling,” IEEE Trans. Systems, Man and Cybernetics Part B, 40(3):767-778, 2010

  • I. G. Polushin, P.X. Liu, C.-H. Lung, and G.D. On, “Position-Error Based Schemes for Bilateral Teleoperation with Time Delay: Theory and Experiments”', ASME Journal of Dynamic Systems, Measurement and Control, 132(3), 2010

  • S. Islam, P.X. Liu, "Output Feedback Sliding Mode Control for Robot Manipulators," Robotica 28(7):975-987, 2010

  • X. Ye, Z. Zhang, P. X. Liu, H. Guan, “Sonar Image Segmentation Based on GMRF and Level Set Models,” Ocean Engineering, 37( 10):891-901, 2010

  • S. Liu, X. Ye and P.X.Liu, “Modeling and stabilization of networked control system with packet loss and time-varying delays,” IET Control Theory and Application, 4(6):1094-1100, 2010

  • H. Wang, P.X. Liu, S. Guo, X. Ye, “A Catheter Side Wall Tactile Sensor: Design, Modeling and Experiments,”  Minimally Invasive Therapy and Allied Technologies, 19(1):52-60, 2010

2009

  • C. Hua, P. X. Liu, X. Guan,  Backstepping control for nonlinear systems with time delays and applications to chemical reactor systems,” IEEE Trans. Industrial Electronics, 56(9):3723-3732, 2009

  • Y. Ye and P. X. Liu, “Improving Haptic Feedback Fidelity in Wave-Variable-Based Teleoperation Oriented to Telemedical Applications,” IEEE Trans. Instrumentation and Measurement, 58(8): 2847-2855, 2009

  • C. Hua, P. X. Liu, “Convergence Analysis of Tele-operation Systems with Unsymmetric Time-Varying Delays, IEEE Trans. Circuits & Systems II, 56(3):240-244, 2009

  •  I. G. Polushin, H. J. Marquez, A. Tayebi, P. X. LiuA Multichannel IOS Small Gain Theorem for Systems with Multiple Time-Varying  Communication Delays,” IEEE Trans. Automatic Control, 54(2): 404-409, 2009

  • N. Jalili, P. X. Liu, G. Alici, A. Ferreira, “Introduction to the Focused Section on Mechatronics for MEMS and NEMS,” IEEE/ASME Trans.  Mechatronics,14(4):397-404

  • W. Li, P. X. Liu, “Robust Adaptive Tracking Control of Uncertain Electrostatic Micro-actuators with H-infinity Performance,” Mechatronics, 19(5):591-597, 2009

  • W. Lin, P.X. Liu, W. Li, Y. Chen, C. Ou “Application of Bacterial Foraging Optimization in Non-linear Model Identification,” Journal of System Simulation, 21(10):3100-3104, 2009 (in Chinese)

2008

  • I. Polushin, P. X. Liu, C.-H. Lung, “On the Model-Based Approach to Nonlinear Networked Control Systems, ” Automatica, 44(9):2409-2414,2008

  • G. Polushin, P. X. Liu, C.-H. Lung, “Projection-Based Force Reflection Algorithm for Stable Bilateral Teleoperation over Networks,” IEEE Trans. Instrumentation and Measurement , 57(9):1854-1865, 2008 

  • F. Ding, P. X. Liu, H., Yang “Parameter Identification and Intersample Output Estimation for Dual-Rate Systems,” IEEE Trans. Systems, Man, and Cybernetics Part A, 38(4): 966 - 975, 2008 

  • W. Li, P. X. Liu, “Tracking Control of Biomathematical Model of Muscular Vessel,” IEE Electronics Letters, 44(16): 956-958, 2008