Professor Liao, Wei-Hsin

Associate Dean (Student Affairs), Faculty of Engineering
Professor
Ph.D., Pennsylvania State University
ASME Fellow; HKIE Fellow; IOP Fellow
Address:
Mechanical and Automation Engineering
Room 308, William M.W. Mong Engineering Building
Chinese University of Hong Kong, Shatin, N.T.
Hong Kong SAR, China
Tel:
Fax:
e-mail:
Website:
Laboratory:
(852) 3943 8341
(852) 2603 6002
whliao@mae.cuhk.edu.hk
http://www.mae.cuhk.edu.hk/~whliao
Smart Materials and Structures Laboratory

Biography

Wei-Hsin Liao received his Ph.D. in Mechanical Engineering from The Pennsylvania State University, University Park, USA. At Penn State University, he received the Inventor Incentive Award and Sigma Xi Graduate Research Award. Since August 1997, Dr. Liao has been with the Department of Mechanical and Automation Engineering at The Chinese University of Hong Kong (CUHK). His research has led to publications of 190 technical papers in international journals and conference proceedings, 17 patents in US, China, Hong Kong, Taiwan, Japan, and Korea. He was the Conference Chair for the 20th International Conference on Adaptive Structures and Technologies in 2009; the Active and Passive Smart Structures and Integrated Systems, SPIE Smart Structures/NDE in 2014 and 2015. He received the T A Stewart-Dyer/F H Trevithick Prize 2005, awarded by the Institution of Mechanical Engineers (IMechE). In 2008, he received the Best Paper Award in Structures from the American Society of Mechanical Engineers (ASME). He also received the Best Paper Award in Automation in the 2009 IEEE International Conference on Information and Automation, and the Best Conference Paper Award in the 2011 IEEE International Conference on Mechatronics and Automation. As the Chair of Joint Chapter of Robotics, Automation and Control Systems Society (RACS), IEEE Hong Kong Section, Dr. Liao received 2012 Chapter of the Year Award from the IEEE Robotics and Automation Society. He currently serves as an Associate Editor for Mechatronics, Journal of Intelligent Material Systems and Structures, as well as Smart Materials and Structures. Dr. Liao is a Fellow of ASME, HKIE, and IOP.

Research

  • Smart Materials and Structures
  • Energy Harvesting
  • Vibration Control
  • Mechatronics
  • Robotic Exoskeleton



  • MAEG5080 Smart Materials and Structures
  • MAEG4020 Finite Element Modelling and Analysis
  • MAEG3010 Mechanics of Materials
  • MAEG2040 Basic Electronics
  • BMEG5710 Introduction to Biomedical Engineering

Honors & Awards

  • Fellow, American Society of Mechanical Engineers (ASME)
  • Fellow, The Institute of Physics (IOP)
  • Fellow, The Hong Kong Institution of Engineers (HKIE)
  • Outstanding Fellow of the Faculty of Engineering, 2014
  • Vice-Chancellor's Exemplary Teaching Award 2011
  • Best Conference Paper Award, 2011 IEEE International Conference on Mechatronics and Automation
  • Research Excellence Award 2010-11, The Chinese University of Hong Kong
  • Best Information Paper Award, 2010 IEEE International Conference on Information and Automation
  • Best Paper Award in Automation, 2009 IEEE International Conference on Information and Automation
  • ASME Best Paper Award in Structures, 2008
  • The Young Researcher Award 2007, The Chinese University of Hong Kong
  • Scholarship Award, 17th International Conference on Adaptive Structures and Technologies, 2006
  • T A Stewart-Dyer/F H Trevithick Prize 2005, Institution of Mechanical Engineers

Publications

Journal Papers

  • H. Ma and W. H. Liao, Human Gait Modeling and Analysis Using a Semi-Markov Process with Ground Reaction Forces, IEEE Transactions on Neural Systems & Rehabilitation Engineering, in press. DOI: 10.1109/TNSRE.2016.2584923
  • Y. J. Wan, P. L. Zhu, S. H. Yu, R. Sun, C. P. Wong, and W. H. Liao, Ultralight, Super-Elastic and Volume-Preserving Cellulose Fiber/Graphene Aerogel for High-Performance Electromagnetic Interference Shielding, Carbon, 115, pp. 629-639, 2017. DOI: 10.1016/j.carbon.2017.01.054
  • M. J. Guan, K. P. Wang, D. Z. Xu, and W. H. Liao, Design and Experimental Investigation of a Low-Voltage Thermoelectric Energy Harvesting System for Wireless Sensor Nodes, Energy Conversion and Management, 138, pp. 30-37, 2017, 10.1016/j.enconman.2017.01.049
  • F. Gao, Y. N. Liu, and W. H. Liao, Optimal Design of a Magnetorheological Damper Used in Smart Prosthetic Knees, Smart Materials and Structures, Vol. 26, 035034 (9pp), 2017, DOI: 10.1088/1361-665X/aa5494
  • H. Ma, B. Chen, L. Qin, and W. H. Liao, Design and Testing of a Regenerative Magnetorheological Actuator for Assistive Knee Braces, Smart Materials and Structures, Vol. 26, 035013 (13pp), 2017, doi:10.1088/1361-665X/aa57c5
  • Y. J. Wan, P. L. Zhu, S. H. Yu, W. H. Yang, R. Sun, C. P. Wong, and W. H. Liao, Barium Titanate Coated Thermally Reduced Graphene Oxide Towards High Dielectric Constant and Low Loss of Polymeric Composites, Composites Science and Technology, 141, pp. 48-55, 2017, DOI: 10.1016/j.compscitech.2017.01.010
  • G. Q. Wang and W. H. Liao, A Bistable Piezoelectric Oscillator with an Elastic Magnifier for Energy Harvesting Enhancement, Journal of Intelligent Material Systems and Structures, Vol. 28(3), pp. 392-407, 2017, DOI: 10.1177/1045389X16657419
  • S. Luo, Y. Shen, S. Yu, Y. Wan, W. H. Liao, R. Sun, and C. P. Wong, Construction of 3D-BaTiO3 Network Leading to Significantly Enhanced Dielectric Permittivity and Energy Storage Density of Polymer Composites, Energy & Environmental Science, 10, 137-144, 2017, DOI: 10.1039/C6EE03190K
  • W. Wang, J. Cao, N. Zhang, J. Lin, and W. H. Liao, Magnetic-Spring Based Energy Harvesting from Human Motions: Design, Modeling and Experiments, Energy Conversion and Management, 132, pp. 189-197, 2017, DOI: 10.1016/j.enconman.2016.11.026
  • M. J. Guan, K. P. Wang, Q. Y. Zhu, and W. H. Liao, A High Efficiency Boost Converter with MPPT Scheme for Low Voltage Thermoelectric Energy Harvesting, Journal of Electronic Materials, 45(11), 5514-5520, 2016. DOI: 10.1007/s11664-016-4765-1
  • M. Bodaghi, A. R. Damanpack, and W. H. Liao, Self-Expanding/Shrinking Structures by 4D Printing, Smart Materials and Structures, Vol.25, 105034 (15pp), 2016, doi:10.1088/0964-1726/25/10/105034
  • A. M. C. Tang, P. P. L. Chu, M. W. K. Leung, L. M. Chu, and W. H. Liao, Evaluating Wood Strength Properties of Subtropical Urban Trees Using Fractometer II, Journal of Tropical Forest Science, 28(3): 249-259, 2016.
  • M. Bodaghi, A. R. Damanpack, and W. H. Liao, A Robust Macroscopic Model for Normal-Shear Coupling, Asymmetric and Anisotropic Behaviors of Polycrystalline SMAs, Smart Materials and Structures, Vol. 25, 075019 (19pp), 2016, doi:10.1088/0964-1726/25/7/075019
  • Y. J. Wan, S. H. Yu, W. H. Yang, P. L. Zhu, R. Sun, C. P. Wong, and W. H. Liao, Tuneable Cellular-Structured 3D Graphene Aerogel and Its Effect on Electromagnetic Interference Shielding Performance and Mechanical Properties of Epoxy Composites, RSC Advances, 6, 56589-56598, 2016, DOI: 10.1039/c6ra09459g
  • M. Bodaghi, A. R. Damanpack, W. H. Liao, M. M. Aghdam, and M. Shakeri, Modeling and Analysis of Reversible Shape Memory Adaptive Panels, Journal of Intelligent Material Systems and Structures, Vol. 27(12), pp. 1624-1649, 2016, DOI: 10.1177/1045389X15600082
  • Eric Li and W. H. Liao, An Efficient Finite Element Algorithm in Elastography, International Journal of Applied Mechanics, Vol. 8, No. 3, 1650037 (22 pages), 2016, DOI: 10.1142/S175882511650037X
  • M. J. Guan and W. H. Liao, Design and Analysis of a Piezoelectric Energy Harvester for Rotational Motion System, Energy Conversion and Management, Vol. 111, pp. 239-244, 2016, DOI: 10.1016/j.enconman.2015.12.061 (Highly Cited Paper, Web of Science)
  • Y. J. Wan, W. H. Yang, S. H. Yu, R. Sun, C. P. Wong, and W. H. Liao, Covalent Polymer Functionalization of Graphene for Improved Dielectric Properties and Thermal Stability of Epoxy Composites, Composites Science and Technology, Vol. 122, pp. 27-35, 2016, DOI: 10.1016/j.compscitech.2015.11.005 (Highly Cited Paper, Web of Science)
  • B. Chen, H. Ma, L. Y. Qin, F. Gao, K. M. Chan, S. W. Law, L. Qin, and W. H. Liao, Recent Developments and Challenges of Lower Extremity Exoskeletons, Journal of Orthopaedic Translation, Vol. 5, pp. 26-37, 2016, DOI: 10.1016/j.jot.2015.09.007
  • A. R. Damanpack, M. Bodaghi, W. H. Liao, M. M. Aghdam, and M. Shakeri, A Simple and Efficient 1-D Macroscopic Model for Shape Memory Alloys Considering Ferro-elasticity Effect, Smart Structures and Systems, Vol. 16, No. 4, pp. 641-665, 2015, DOI: http://dx.doi.org/10.12989/sss.2015.16.4.641.
  • A. R. Damanpack, W. H. Liao, M. M. Aghdam, M. Shakeri, and M. Bodaghi, Micro-Macro Thermo-Mechanical Analysis of Axisymmetric Shape Memory Alloy Composite Cylinders, Composite Structures, 131, pp. 1001-1016, 2015, doi: 10.1016/j.compstruct.2015.06.033.
  • G. Q. Wang and W. H. Liao, A Strategy for Magnifying Vibration in High-Energy Orbits of a Bistable Oscillator at Low Excitation Levels, Chinese Physics Letters, Vol. 32, No. 6, 068503, 2015, DOI: 10.1088/0256-307X/32/6/068503.
  • A. R. Damanpack, M. Bodaghi, and W. H. Liao, SMA Bellows as Reversible Thermal Sensors/Actuators, Smart Materials and Structures, Vol. 24, 065013 (12pp), 2015, doi: 10.1088/0964-1726/24/6/065013.
  • W. H. Yang, S. H. Yu, S. B. Luo, R. Sun, W. H. Liao, and C. P. Wong, A Systematic Study on Electrical Properties of the BaTiO3-epoxy Composite with Different Sized BaTiO3 as Fillers, Journal of Alloys and Compounds, Vol. 620, pp. 315-323, 2015, doi: 10.1016/j.jallcom.2014.09.142.
  • C. L. Pan, G. J. Xiao, Z. H. Feng, and W. H. Liao, Electromechanical Characteristics of Discal Piezoelectric Transducers with Spiral Interdigitated Electrodes, Smart Materials and Structures, Vol. 23, 125029 (13pp), 2014, doi: 10.1088/0964-1726/23/12/125029.
  • J. R. Liang, H. S. H. Chung, and W. H. Liao, Dielectric Loss against Piezoelectric Power Harvesting, Smart Materials and Structures, Vol. 23, 092001 (8pp), 2014, doi: 10.1088/0964-1726/23/9/092001.
  • C. L. Pan and W. H. Liao, A New Two-Axis Optical Scanner Actuated by Piezoelectric Bimorphs, International Journal of Optomechatronics, Vol. 6, No. 4, pp. 336-349, 2012, doi: 10.1080/15599612.2012.721867.
  • J. R. Liang and W. H. Liao, Impedance Modeling and Analysis for Piezoelectric Energy Harvesting Systems, IEEE/ASME Transactions on Mechatronics, Vol. 17, No. 6, pp. 1145-1157, 2012, doi: 10.1109/TMECH.2011.2160275.
  • H. T. Guo and W. H. Liao, A Novel Multifunctional Rotary Actuator with Magnetorheological Fluid, Smart Materials and Structures, Vol. 21, 065012 (9pp), 2012, doi: 10.1088/0964-1726/21/6/065012.
  • C. Chen and W. H. Liao, A Self-Sensing Magnetorheological Damper with Power Generation, Smart Materials and Structures, Vol. 21, 025014 (14pp), 2012, doi: 10.1088/0964-1726/21/2/025014. (Front Cover Picture Highlighted, Issue of February 2012; Most Cited Article in 2012, Web of Science in October 2014)
  • J. R. Liang and W. H. Liao, Improved Design and Analysis of Self-Powered Synchronized Switch Interface Circuit for Piezoelectric Energy Harvesting Systems, IEEE Transactions on Industrial Electronics, Vol. 59, No. 4, pp. 1950-1960, 2012, doi: 10.1109/TIE.2011.2167116.
  • J. R. Liang and W. H. Liao, Impedance Network for Power Optimisation in Piezoelectric Energy Harvesting Systems, The HKIE Transactions, Vol. 18, No. 4, pp. 32-38, 2011.
  • J. Y. Jia and W. H. Liao, "Modeling of Vertically Aligned Carbon Nanotube Composites for Vibration Damping," Journal of Computational and Theoretical Nanoscience, Vol. 8, No. 9, pp. 1784-1891, 2011, DOI: 10.1166/jctn.2011.1883.
  • J. R. Liang and W. H. Liao, Steady-State Simulation and Optimization of Class-E Power Amplifiers with Extended Impedance Method, IEEE Transactions on Circuits and Systems, Part I: Regular Papers, Vol. 58, No. 6, pp. 1433-1445, 2011, doi: 10.1109/TCSI.2010.2097671.
  • J. R. Liang and W. H. Liao, On the Influence of Transducer Internal Loss in Piezoelectric Energy Harvesting with SSHI Interface, Journal of Intelligent Material Systems and Structures, Vol. 22, No. 5, pp. 503-512, 2011, DOI: 10.1177/1045389X11401447.
  • D. H. Wang and W. H. Liao, Magnetorheological Fluid Dampers: A Review of Parametric Modeling, Smart Materials and Structures, Vol. 20, 023001 (34pp), 2011, doi: 10.1088/0964-1726/20/2/023001. (Selected in Highlights of 2011; One of Most Cited Articles in 2011, Web of Science in June 2013)
  • J. R. Liang and W. H. Liao, Energy Flow in Piezoelectric Energy Harvesting Systems, Smart Materials and Structures, Vol. 20, 015005 (11pp), 2011, doi:10.1088/0964-1726/20/1/015005. (One of Most Cited Articles in 2011, Web of Science in June 2013)
  • D. H. Wang, X. X. Bai, and W. H. Liao, An Integrated Relative Displacement Self-Sensing Magnetorheological Damper: Prototyping and Testing, Smart Materials and Structures, Vol. 19, 105008, 2010, doi:10.1088/0964-1726/19/10/105008.
  • Y. Y. Chan, D. T. P. Fong, M. M. L. Chung, W. J. Li, W. H. Liao, P. S. H. Yung, K. M. Chan, Identification of Ankle Sprain Motion from Common Sporting Activities by Dorsal Foot Kinematics Data, Journal of Biomechanics, Vol. 43, pp. 1965-1969, 2010, doi: 10.1016/j.jbiomech.2010.03.014.
  • J. Z. Chen and W. H. Liao, Design, Testing and Control of a Magnetorheological Actuator for Assistive Knee Braces, Smart Materials and Structures, Vol. 19, 035029, 2010, doi:10.1088/0964-1726/19/3/035029.
  • Y. M. Tang, Z. H. Wu, W. H. Liao, and K. M. Chan, A Study of Semi-Rigid Support on Ankle Supination Sprain Kinematics, Scandinavian Journal of Medicine & Science in Sports, Vol. 20, pp. 822-826, 2010, doi: 10.1111/j.1600-0838.2009.00991.x.
  • D. H. Wang, H. X. Ai, and W. H. Liao, A Magnetorheological Valve with Both Annular and Radial Fluid Flow Resistance Gaps, Smart Materials and Structures, Vol. 18, 115001, 2009, doi:10.1088/0964-1726/18/11/115001.
  • R. L. Dai and W. H. Liao, Fabrication, Testing, and Modeling of Carbon Nanotube Composites for Vibration Damping, ASME Journal of Vibration and Acoustics, Vol. 131, No. 5, 051004, 2009, DOI: 10.1115/1.3147126.
  • M. J. Guan and W. H. Liao, On the Equivalent Circuit Models of Piezoelectric Ceramics, Ferroelectrics, Vol. 386, No. 1, pp. 77-87, 2009, DOI:10.1080/00150190902961439.
  • D. H. Wang and W. H. Liao, Semi-Active Suspension Systems for Railway Vehicles Using Magnetorheological Dampers: Part I. System Integration and Modeling, Vehicle System Dynamics, Vol. 47, No. 11, pp. 1305-1325, 2009, DOI: 10.1080/00423110802538328.
  • D. H. Wang and W. H. Liao, Semi-Active Suspension Systems for Railway Vehicles Using Magnetorheological Dampers: Part II. Simulation and Analysis, Vehicle System Dynamics, Vol. 47, No. 12, pp. 1439-1471, 2009, DOI: 10.1080/00423110802538336.
  • K. W. Chan and W. H. Liao, Self-Sensing Actuators with Passive Damping for Adaptive Vibration Control of Hard Disk Drives, Microsystem Technologies, Vol. 15, No. 3, pp. 355-366, 2009, DOI 10.1007/s00542-008-0708-y.
  • J. R. Liang and W. H. Liao, Piezoelectric Energy Harvesting and Dissipation on Structural Damping, Journal of Intelligent Material Systems and Structures, Vol. 20, No. 5, pp. 515-527, 2009, DOI 10.1177/1045389X08098194.
  • M. J. Guan and W. H. Liao, Characteristics of Energy Storage Devices in Piezoelectric Energy Harvesting Systems, Journal of Intelligent Material Systems and Structures, Vol. 19, No. 6, pp. 671-680, 2008.
  • K. W. Chan and W. H. Liao, Shock Resistance of a Disk-Drive Assembly Using Piezoelectric Actuators with Passive Damping, IEEE Transactions on Magnetics, Vol. 44, No. 4, pp. 525-532, 2008.
  • K. W. Chan, W. H. Liao, and I. Y. Shen, Precision Positioning of Hard Disk Drives Using Piezoelectric Actuators with Passive Damping, IEEE/ASME Transactions on Mechatronics, Vol. 13, No. 1, pp. 147-151, 2008.

Patents
  • Ankle-Foot Prosthesis Employing Actuator and Elastic Components, CUHK Technology Disclosure 16/ENG/705, 18 May 2016; Ankle-Foot Prosthesis Device and Methods of Use, U.S. Non-Provisional Application No. 15/280,788, 29 September 2016. (with F. Gao and Y. N. Liu)
  • Apparatus and Methods to Control Magnetorheological Damping/Braking with Energy Harvesting, CUHK Technology Disclosure 16/ENG/684, 15 February 2016; China Patent Application 201610647828.5; PCT/CN2016/094124, 9 August 2016. (with C. Chen)
  • Self-Powered, Self-Sensing Magnetorheological Dampers, CUHK Technology Disclosure 10/ENG/382, U. S. Patent Application, No. 12/896,760, October 1, 2010; German Patent Application, No. DE 11 2011 102 616 T5, 29 May 2013. (with C. Chen)
  • Active-Passive Hybrid Actuators for Tracking and Focusing Motions in Optical Pickup Devices, Hong Kong Patent, HK1163333, October 23, 2015. (with K. W. Chan)
  • Self-Powered, Self-Sensing Magnetorheological Dampers, China Patent, ZL201010257348.0, May 27, 2015. (with C. Chen)
  • Active-Passive Hybrid Actuators for Tracking and Focusing Motions in Optical Pickup Devices, China Patent, ZL201010214149.1, May 27, 2015. (with K. W. Chan)
  • Magnetorheological Actuator with Multiple Functions, Hong Kong Patent, HK1163377, June 20, 2014. (with H. T. Guo)
  • Magnetorheological Actuator with Multiple Functions, China Patent ZL201080011735.4, January 29, 2014. (with H. T. Guo)
  • Optical Pickup Assemblies and Drive Systems with the Same, U. S. Patent, 8,605,558, December 10, 2013. (with K. W. Chan)
  • Self-Powered, Self-Sensing Magnetorheological Dampers, Japan Patent 5350565, August 30, 2013. (with C. Chen)
  • Magnetorheological Actuators, U. S. Patent 8,193,670, June 5, 2012. (with H. T. Guo)
  • Pressurized Magnetorheological Fluid Dampers, Japan Patent 4959699, March 30, 2012. (with Y. K. Lau)
  • Piezoelectric Actuated Suspension with Passive Damping in Hard Disk Drives, U. S. Patent 7,983,008, July 19, 2011. (with K. W. Chan)
  • Magnetorheological Fluid Apparatus and Method to Minimize Cavitation for Railway Vehicle Suspension Systems, Hong Kong Patent, HK1118593, May 13, 2011. (with Y. K. Lau)
  • Pressurized Magnetorheological Fluid Dampers, Korean Patent 10-1024124, March 15, 2011. (with Y. K. Lau)
  • Magnetorheological Fluid Apparatus and Method to Minimize Cavitation for Railway Vehicle Suspension Systems, China Patent ZL200680025261.2, December 15, 2010. (with Y. K. Lau)
  • High Speed Pick and Place Apparatus, U. S. Patent 6,758,113, July 6, 2004. (with P. K. Choy, C. K. Liu, and Y. Wang)
  • High Speed Pick and Place Apparatus, Taiwan Patent 157,735, October 8, 2002. (with P. K. Choy, C. K. Liu, and Y. Wang)
  • Apparatus and Method for Vibration Control Using Active Constrained Layer Edge Elements, U. S. Patent 5,838,092, Nov. 17, 1998. (with K. W. Wang)