Copyright Notice: Electronic copies of selected papers are provided here for prompt dissemination. Copyrights are held by the publishers and/or the authors. A complete list of publications can be found in Dr. Tan's CV. 

    Electroactive Polymers: Modeling, Sensing, Control, and Applications

    Modeling & Control of Hysteresis in Smart Materials

    Modeling, Design, and Fabrication of Microsystems

    Control of Autonomous Swarms

    Computation: Computational Micromagnetics / Geometric Integration

    Electroactive Polymers: Modeling, Sensing, Control, and Applications

  • Y. Fang, T. Pence, X. Tan, "Nonlinear Elastic Modeling of Differential Expansion in Trilayer Conjugated Polymer Actuators," Smart Materials and Structures, to appear, 2008
  • Z. Chen, X. Tan, "A Control-oriented and Physics-based Model for Ionic Polymer-Metal Composite Actuators," IEEE/ASME Transactions on Mechatronics, to appear,  2007
  • Y. Fang, X. Tan, G. Alici, "Robust Adaptive Control of Conjugated Polymer Actuators," IEEE Transactions on Control Systems Technology, Vol. 14, No. 6, pp. 600-612, 2008
  • E. Mbemmo, Z. Chen, S. Shatara, X. Tan, "Modeling of Biomimetic Robotic Fish Propelled by An Ionic Polymer-Metal Composite Actuator," in Proceedings of the 2008 IEEE International Conference on Robotics and Automation, Pasadena, CA, pp. 689-694, 2008
  • S. Shatara, X. Tan, E. Mbemmo, N. Gingery, "Experimental Investigation on Underwater Acoustic Ranging for Small Robotic Fish," in  Proceedings of the 2008 IEEE International Conference on Robotics and Automation, Pasadena, CA, pp. 712-717, 2008
  • Z. Chen, K. Kwon, X. Tan, "Integrated IPMC/PVDF Sensory Actuator and Its Validation in Feedback Control," Sensors and Actuators A: Physical, Vol. 144, No. 2, pp. 231-241, 2008
  • Y. Fang, X. Tan, G. Alici, "Redox Level-Dependent Impedance Model for Conjugated Polymer Actuators,"  Sensors and Actuators B: Chemical, Vol. 132, pp. 182-190, 2008
  • Y. Fang, X. Tan, Y. Shen, N. Xi, G. Alici, "A Scalable Model for Trilayer Conjugated Polymer Actuators and Its Experimental Validation," Materials Science and Engineering C: Biomimetic and Supramolecular Systems, Vol. 28,  pp. 421-428, 2008
  • Z. Chen, X. Tan, A. Will, C. Ziel, "A Dynamic Model for Ionic Polymer-Metal Composite Sensors," Smart Materials and Structures, Vol. 16, pp. 1477-1488, 2007
  • Z. Chen, Y. Shen, N. Xi, X. Tan, "Integrated Sensing for Ionic Polymer-Metal Composite Actuators Using PVDF Thin Films," Smart Materials and Structures [Special issue on Electroactive Polymer Materials, Invited Paper], Vol. 16, No. 2, pp. S262-S271, 2007
  • X. Tan, D. Kim, E. Goodman, M. Shahinpoor, "A Hands-on Paradigm for EAP Education: Undergraduates, Pre-College Students, and Beyond," in Y. Bar-Cohen, editor, Smart Structures and Materials 2007: Electroactive Polymer Actuators and Devices (EAPAD), Proceedings of SPIE, Vol. 6524, 2007
  • X. Tan, D. Kim, N. Usher, D. Laboy, J. Jackson, A. Kapetanovic, J. Rapai, B. Sabadus, X. Zhou, "An Autonomous Robotic Fish for Mobile Sensing,"  in  Proceedings of the IEEE/RSJ International Conference on Intelligent Robots and Systems, Beijing, China, pp. 5424-5429, 2006 
  • Z. Chen, X. Tan, M. Shahinpoor, "Quasi-static Positioning of Ionic Polymer-Metal Composite (IPMC) Actuators," Proceedings of  the IEEE/ASME International Conference on Advanced Intelligent Mechatronics, Monterey, CA, pp. 60-65, 2005
  • Modeling & Control of Hysteresis in Smart Materials

  • R. Iyer, X. Tan, "Control of Hysteretic Systems through Inverse Compensation: Inversion Algorithms, Adaptation, and Embedded
    Implementation
    ," IEEE Control Systems Magazine, to appear, 2008
  • X. Tan, O. Bennani, "Fast Inverse Compensation of Preisach-Type Hysteresis Operators Using Field-Programmable Gate Arrays," in Proceedings of the 2008 American Control Conference, pp. 2365-2370, 2008 
  • X. Tan, J. S. Baras, P. S. Krishnaprasad, ``Control of  Hysteresis in Smart Actuators with Application to Micropositioning'', Systems and Control Letters, Vol. 54, No. 5, pp. 483-492,  2005.
  • R. V. Iyer, X. Tan, P. S. Krishnaprasad, ``Approximate Inversion of the Preisach Hysteresis Operator with Application to Control of Smart Actuators'',  IEEE Transactions on Automatic Control, Vol. 50, No. 6, pp. 798-810, 2005. 
  • X. Tan, J. S. Baras, ``Adaptive Identification and Control of Hysteresis in Smart Materials,'' IEEE Transactions on Automatic Control, Vol. 50, No. 6, pp. 827-839, 2005.
  • X. Tan, J. S. Baras, ``Modeling and Control of Hysteresis in Magnetostrictive Actuators,''  Automatica, Vol. 40, No. 9, pp. 1469-1480, 2004.
  • X. Tan,  Control of Smart Actuators (abstract), Ph. D. dissertation,  University of Maryland, College Park, MD, September 2002. 
  • X. Tan, J. S. Baras, ``Optimal Control of Hysteresis in Smart Actuators: A Viscosity Solutions Approach'', in the Springer series LNCS 2289,   Proceedings of the 5th International Workshop on Hybrid Systems: Computation and Control, pp. 451-464, 2002.  
  • X. Tan, R. Venkataraman, P. S. Krishnaprasad, ``Control of Hysteresis: Theory and Experimental Results'', in Smart Structures and Materials 2001: Modeling, Signal Processing, and Control in Smart Structures, V. S. Rao, Editor, Proceedings of SPIE, Vol. 4326,  pp. 101-112, Newport Beach, CA, 2001. 
  • Modeling, Design, and Fabrication of Microsystems

  • Y. Fang, X. Tan, "A Dynamic JKR Model with Application to Vibrational Release in Micromanipulation," in Proceedings of the IEEE/RSJ International Conference on Intelligent Robots and Systems, Beijing, China, pp. 1341-1346, 2006 
  • X. Tan, A. Modafe, R. Ghodssi, "Measurement and Modeling of Dynamic Rolling Friction in Linear Microball Bearings," Journal of Dynamic Systems, Measurement and Control, Vol. 128, No. 4, pp. 891-898,  2006
  • X. Tan, A. Modafe, R. Hergert,  N. Ghalichechian, B. Shapiro, J. S. Baras, R. Ghodssi, "Vision-Based Microtribological Characterization of Linear Microball Bearings", in Proceedings of ASME/STLE International Joint Tribology Conference (Special Symposium on Contact Phenomena in MEMS),  Long Beach, CA, Paper TRIB2004-64334,  2004.
  • M. Khbeis, X. Tan, G. Metze, R. Ghodssi, ``Microfabrication of a Pressure Sensor Array Using 3D Integration Technology'' (abstract), oral presentation at the American Vacuum Society 50th International Symposium, Baltimore, MD 2003.

    Control of Autonomous Swarms

  • X. Tan, "Self-organization of Autonomous Swarms via Langevin Equation," in Proceedings of the 46th IEEE Conference on Decision and Control, New Orleans, LA, pp. 1435-1440, 2007
  • W. Xi, X. Tan, J. S. Baras, "Gibbs Sampler-based Coordination of Autonomous Swarms," Automatica, Vol. 42, No. 7, pp. 1107-1119, 2006
  • W. Xi, X. Tan, J. S. Baras, "Gibbs Sampler-based Path Planning for Autonomous Vehicles: Convergence Analysis," in  Proceedings of the 16th IFAC World Congress, Prague, Czech Republic, 2005
  • X. Tan, W. Xi, J. S. Baras, ``Numerical Study on Joint Quantization and Control under Block-Coding,'' in Proceedings of the 43rd IEEE Conference on Decision and Control, Atlantis, Paradise Island, Bahamas, pp. 4515-4520, 2004. 
  • J. S. Baras, X. Tan, ``Control of Autonomous Swarms Using Gibbs Sampling,'' in Proceedings of the 43rd IEEE Conference on Decision and Control, Atlantis, Paradise Island, Bahamas, pp. 4752-4757, 2004. 
  • Computation: Computational Micromagnetics / Geometric Integration

  • X. Tan, ``Almost Symplectic Runge-Kutta Schemes for Hamiltonian Systems'', Journal of Computational Physics, Vol. 203, No. 1, pp. 250-273, 2005. 
  • P. S. Krishnaprasad, X. Tan,``Cayley Transforms in Micromagnetics'', Physica B, Vol. 306, pp. 195-199, 2001. 
  • X. Tan, J. S. Baras, P. S. Krishnaprasad, ``Fast Evaluation of Demagnetizing Field in Three Dimensional Micromagnetics Using Multipole Approximation'', in Smart Structures and Materials 2000: Mathematics and Control in Smart Structures, V. V. Varadan, Editor, Proceedings of SPIE, Vol. 3984, pp. 195-201, 2000.
  • X. Tan, J. S. Baras, P. S. Krishnaprasad, ``Computational Micromagnetics for Magnetostrictive Actuators'', in Smart Structures and Materials 2000: Mathematics and Control in Smart Structures, V. V. Varadan, Editor, Proceedings of SPIE, Vol. 3984, pp. 162-173, 2000.