Kam K. Leang -- The EASY Lab at the University of Nevada, Reno

Journal Articles
	Bridging the gap between conventional and video-speed scanning probe microscopes A. J. Fleming, B. J. Kenton and K. K. Leang Ultramicroscopy (Under review) Cyclic energy harvesting from pyroelectric materials P. Mane, J. Xie, K. Mossi and K. K. Leang IEEE Ultrasonics and Ferroelectronics Journal (Under review) Integrated strain and force feedback for high performance control of piezoelectric actuators A. J. Fleming and K. K. Leang Sensors and Actuators A (Under review) Emerging challenges of microfabricated actuators for nanoscale manipulation, assembly, and manufacturing processes B. Sahu, C. R. Taylor and K. K. Leang ASME Journal of Manufacturing Science, Special issue on nanomanufacturing (Accepted) Teaching modules on modeling and control of piezoactuators for undergraduate dynamics and control and mechatronics courses K. K. Leang, Q. Zou, and G. Pannozzo IEEE Transactions on Education (In press). Performance of thin piezoelectric materials for pyroelectric energy harvesting J. Xie, X. P. Mane, C. W. Green, K. M. Mossi, and K.K. Leang Journal of Intelligent Material Systems and Structures, Special issue on a selection of papers from the first ASME Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS 2008) Symposium on Structural Health Monitoring, Vol. 21, pp. 243-249, 2010 [PDF] A review of feedforward control approaches for nano precision positioning in high speed SPM operation G.M. Clayton, S. Tien, K.K. Leang, Q. Zou and S. Devasia ASME Journal of Dynamic Systems, Measurement, and Control, Special issue on Dynamic Modeling, Control, and Manipulation at the Nanoscale, Vol. 131, 061101 (19 pages), 2009 [ASME]. Design and analysis of discrete-time repetitive control for scanning probe microscopes U. Aridogan, Y. Shan and K. K. Leang ASME Journal of Dynamic Systems, Measurement, and Control, Special issue on Dynamic Modeling, Control, and Manipulation at the Nanoscale, Vol. 131, 061103 (12 pages), 2009 [ASME]. Frequency-weighted feedforward control for dynamic compensation in ionic polymer-metal composite actuators Y. Shan and K. K. Leang Smart Materials and Structures, Vol. 18, pp. 125016 (11 pages), 2009 [PDF] High-speed serial-kinematic AFM scanner: design and drive considerations K. K. Leang and A. J. Fleming Asian Journal of Control, Special issue on Advanced Control Methods for Scanning Probe Microscopy, Vol. 11, No. 2, pp. 144-153, 2009 [PDF] Feedforward control of piezoactuators in atomic force microscope systems: inversion-based compensation for dynamics and hysteresis K.K. Leang, Q. Zou and S. Devasia IEEE Control Systems Magazine, Special Issue on Hysteresis, Vol. 19, No. 1, pp. 70-82, February 2009 [IEEE Xplore] Iterative and feedback control for hysteresis compensation in SMA K. K. Leang, S. C. Ashley and G. Tchoupo ASME Journal of Dynamic Systems, Measurement, and Control, Vol. 131, 014502 (6 pages), 2009. [ASME] Low-cost reflective infrared sensors for sub-micro-level position measurement and control Y. Shan, J.E. Speich and K.K. Leang IEEE/ASME Trans. on Mechatronics, Vol. 13, No. 6, pp. 700-709, 2008 [PDF] Charge drives for scanning probe microscope positioning stages A. J. Fleming and K. K. Leang Ultramicroscopy, Vol. 108, pp. 1551-1557, 2008. [PDF] Optimal output transitions for dual-stage systems D. Iamratanakul, B. Jordan, K. K. Leang and S. Devasia IEEE Transactions on Control Systems Technology, Vol. 16, No. 5, 869-881, 2008. [IEEE Xplore] Feedback-linearized inverse feedforward for creep, hysteresis, and vibration compensation in piezoactuators K. K. Leang and S. Devasia IEEE Control Systems Technology: Special Issue on Dynamics and Control of Micro- and Nano-Scale Systems, Vol 15, No. 5, 927 - 935, 2007. [PDF] Design of hysteresis-compensating iterative learning control for piezo-positioners: application in atomic force microscopes K. K. Leang and S. Devasia Mechatronics, The Science of Intelligent Machines, Vol. 6, Issue 3-4, pp. 141-158, 2006. [PDF] Control issues in high-speed AFM for biological applications: collagen imaging example Q. Zou, K. K. Leang, E. Sadoun, M. J. Reed, and S. Devasia Asian Journal of Control, Special issue on Advances in Nanotechnology Control, Vol. 6, No. 2, pp. 164-178, June 2004. [PDF] Experimental and theoretical results in output-trajectory redesign for flexible structures J. S. Dewey, K. K. Leang, and S. Devasia ASME J. Dyn. Syst., Meas., Control, Vol. 120, pp. 456-461, December 1998. [PDF]
Book Chapter
	Continuous- and discrete-time state-space modeling K. K. Leang, Q. Zou, and S. Devasia A contributed chapter to the CRC Mechatronics Handbook, Edited by Robert Bishop, CRC Press, Chapter 23, pp. 40-54, 2002. [CRC Press or Amazon.com]

Conference Proceedings and Poster Presentations
	Measurement and control for high-speed sub-atomic positioning in scanning probe microscopes A. J. Fleming and K. K. Leang IEEE International Conference on Robotics and Automation (ICRA2010), Anchorage, Alaska, May 3 - 8, 2010 (submitted). Enhanced repetitive control for high-speed nanopositioning Y. Shan and K. K. Leang 2010 IFAC Symposium on Mechatronic Systems and 2010 ASME Dynamic Systems and Control Conference (DSCC), Invited session on Micro- and Nanoscale Dynamics and Control (In preparation) High performance nanopositioning with integrated strain and force feedback A. J. Fleming and K. K. Leang 2010 IFAC Symposium on Mechatronic Systems and 2010 ASME Dynamic Systems and Control Conference (DSCC), Invited session on Micro- and Nanoscale Dynamics and Control (In preparation) Precision tracking of oscillatory motion in IPMC actuators for underwater applications S. Song, Y. Shan, K. J. Kim and K. K. Leang 2010 IEEE/ASME International Conference on Advanced Intelligent Mechatronics, Invited session on EAP (Under review) Development of dimensionally scalable IPMC materials S. J. Kim, Y. Jung, K. K. Leang and K. J. Kim 2010 IEEE/ASME International Conference on Advanced Intelligent Mechatronics, Invited session on EAP (Under review) Sectored-electrode IPMC actuator for bending and twisting motion R. O. Riddle, Y. Jung, S.-M. Kim, S. Song, B. Stolpman, K. J. Kim and K. K. Leang SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, San Diego, CA, USA, March 7-11, 2010. A new monolithic three-axis high-speed nanopositioning system B. J. Kenton and K. K. Leang 2010 American Control Conference, submitted to Special Invited Session on Advances in Actuation for Nanopositioning and Scanning Probe Systems, Baltimore Maryland, June 30 - July 2. Ultra-fast dual-stage vertical positioning for high performance SPMs A. J. Fleming, B. J. Kenton and K. K. Leang 2010 American Control Conference, submitted to Special Invited Session on Advances in Actuation for Nanopositioning and Scanning Probe Systems, Baltimore Maryland, June 30 - July 2. Repetitive control with Prandtl-Ishlinskii hysteresis inverse for piezo-based nanopositioning Y. Shan and K. K. Leang American Control Conference, Invited Session on Advances in Control of Nanopositioning and SPM Systems, St. Louis, MO, pp. 301-306, 2009. A novel multifunctional SPM probe with modular quick-change tips for fully automated probe-based nanofabrication K. K. Leang and C. R. Taylor Proceedings of 2009 NSF Engineering Research and Innovation Conference, Honolulu, Hawaii, June 22-25, 2009. Energy harvesting via pyroelectric effect using PZT J. Xie, P. P. Mane, C. W. Green, K. M. Mossi, and K. K. Leang 2008 ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems October 28-30, Turf Valley Resort, Ellicott City, MD, USA, 2008 [PDF] Design and fabrication of a multifunctional scanning probe with integrated tip changer for fully automated nanofabrication K. K. Leang and C. R. Taylor 23rd ASPE Anual Meeting and 12th ICPE, Oct. 19-24, Portland, OR USA, 2008 [PDF] Discrete-time phase compensated repetitive control for piezoactuators in scanning probe microscopes U. Aridogan, Y. Shan and K. K. Leang ASME Dynamic Systems and Control Conference, Invited Session on Modeling, Dynamics and Control of Systems with Smart Materials, Ann Arbor, Michigan, pp. 1325-1332, October 20-22, 2008. [PDF] Hysteresis inverse iterative learning control of piezoactuators in AFM S.C. Ashley, U. Aridogan, R. Riddle and K.K. Leang In 17th IFAC World Congress, Invited Session on Dynamics and Control of Micro- and Nanoscale Systems, pp. 8269-9274, Seoul, Korea, July 6-11, 2008 [PDF] Modeling and control of smart actuators: integrating nano/bio technology into the me curriculum Y. Wu, S. Culter, Q. Zou, G. Pannozzo, K.K. Leang and S. Devasia ASEE Annual Conference and Exposition, Pittsburgh, PA, USA, June 22-25, 2008. [PDF] High-speed serial-kinematic AFM scanner: design and drive considerations K. K. Leang and A. J. Fleming American Control Conference, Invited Session on Modeling and Control of SPM, 3188-3193, Seattle, WA, USA, June 11-13, 2008 [PDF] Evaluation of charge drives for scanning probe microscope positioning stages A. J. Fleming and K. K. Leang American Control Conference, Invited session on Advanced Mechanism Design, Modeling, and Control of SPMs, Seattle, WA, USA, pp. 2028-2033, June 11-13, 2008 [PDF] Application of feedforward dynamics compensation in ionic-polymer metal composite actuators Y. Shan and K. K. Leang SPIE Smart Structures and Materials and NDE for Health Monitoring and Diagnostics Conference, San Diego, CA., Vol. 6927, pp. 69270F-1 (12 pages), 2008 [PDF] A biaxial shape memory alloy actuated cell/tissue stretching system Y. Shan, J. Dodson, S. Abraham, J. E. Speich, R. Rao and K. K. Leang ASME International Mechanical Engineering Congress and Exposition (IMECE), Seattle, WA, USA, November 11 - 15, 2007. [PDF] A collaborative approach to teach modeling and control of smart actuators in the mechanical engineering curriculum K. K. Leang, G. Pannozzo, Q. Zou and S. Devasia ASME International Mechanical Engineering Congress and Exposition (IMECE), Seattle, WA, USA, November 11 - 15, 2007. [PDF] Hysteresis compensation for high-precision positioning of a shape memory alloy actuator using integrated iterative-feedforward and feedback inputs G. Tchoupo and K. K. Leang American Control Conference, pp. 4246-4253, 2007. [PDF] Hysteresis characterization using charge-feedback control for LIPCA a device J. Beck, M. A. Noras, J. Kieres, J. Speich, K. M. Mossi and K. K. Leang SPIE Smart Structures and Materials and NDE for Health Monitoring and Diagnostics, San Diego. February 26 – March 2, 2006. [PDF] Precise positioning of a shape memory alloy actuator using iterative control S. C. Ashley, G. Tchoupo, R. M. Mohr and K. K. Leang Actuator 2006 Conference, Bremen, Germany, pp. 467-470 [PDF] The design of a high-voltage charge-feedback piezo-amplifier M. A. Noras, J. Kieres, K. M. Mossi and K. K. Leang Actuator 2006 Conference, Bremen, Germany, pp. 353-355 [PDF] Optimal seek-trajectory design for dual-stage systems D. Iamratanakul, B. Jordan, K. K. Leang and S. Devasia American Control Conference, pp. 606-612, Minneapolis, MN, June 14-16, 2006. [PDF] Iterative control of piezo positioners for long-range SPM-based nanofabrication K. K. Leang, and S. Devasia The 3rd IFAC Conference on Mechatronic Systems, Manly Beach, Sydney, Australia, September 6-8, 2004. [PDF] Iterative feedforward compensation of hysteresis in piezo positioners K. K. Leang, and S. Devasia IEEE 42nd Conference on Decision and Control, Invited session on Nanotechnology: Control Needs and Related Perspectives, Maui, Hawaii USA, pp. 2626-2631, December 2003 [PDF] Hysteresis, creep, and vibration compensation for piezoactuators: feedback and feedforward control K. K. Leang, and S. Devasia The 2nd IFAC Conference on Mechatronic Systems, Invited session on Smart Materials and Structures, Berkeley, CA., pp. 283-289, December 2002 [PDF]
M.S. Theses and Ph.D. Dissertations
	Iterative Learning Control of Hysteresis in Piezo-Based Nano-Positioners: Theory and Application in Atomic Force Microscopes, (Ph.D. Dissertation) K. K. Leang (Advisor: Santosh Devasia) University of Washington, December 2004 - View front matter: Abstract and Table of Contents (PDF format) - Download entire dissertation (269 pages, PDF format, 5MB) Fabrication and Integrated Feedforward and Feedback Control of Ionic Polymer-Metal Composite Actuators (M.S. Thesis) Y. Shan (Advisor: Kam K. Leang) Virginia Commonwealth University, August 2008 [PDF]