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• Journal paper

1. Z. Chen, S. Sharata, X. Tan, "Modeling of Biomimetic Robotic Fish Propelled by an Ionic Polymer Metal Composite Caudal Fin", Submitted to IEEE Transactions on Robotics, 2008
2. Z. Chen, X. Tan, “A Control-oriented and Physics-based Model for Ionic Polymer-Metal Composite Actuators,”  IEEE/ASME Transactions on Mechatronics, Vol. 13, No. 5, pp 519-529, 2008
3. 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, 2007
4. 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
5. 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
6. Z. Chen, S. Jagannathan, “Generalized Hamilton-Jacobi-Bellman Optimal Control for Nonlinear Discrete-Time Systems”, IEEE Trans on Neural Network, Vol .19 No. 1, pp 90-106, 2008

• Conference paper

1. Z. Chen, S. Shatara, X. Tan, “Modeling of Robotic Fish Propelled by an Ionic Polymer-Metal Composite Caudal Fin,” submitted for presentation at the 16th SPIE InternationalSymposium on Smart Structures and Materials: Electroactive Polymer Actuators and Devices (EAPAD) XI, 2009

2. Z. Chen, D. Hedgepeth, X. Tan, “Nonlinear Capacitance of Ionic Polymer-Metal Composites,”submitted for presentation at the 16th SPIE International Symposium on Smart Structures and Materials: Electroactive Polymer Actuators and Devices (EAPAD) XI,2009

3. Z. Chen, D. Hedgepeth, X. Tan， "A Nonlinear Control-oriented Model for Ionic Polymer-Metal Composite Actuators", accepted for presentation at the 47th IEEE Conference on Decision and Control, Cancun, Mexico, 2008
4. Ernest Mbemmo, Zheng Chen, Stephan Shatara, and Xiaobo Tan, "Modeling of Biomimetic Robotic Fish Propelled by An Ionic Polymer-Metal Composite Actuator",Proc. of the 2008 IEEE International Conference on Robotics and Automation, Pasadena, California, pp 689-694, 2008
5. Z. Chen, X. Tan, "A Scalable Dynamic Model for Ionic Polymer-Metal Composite Actuators," Y. Bar-Cohen, editor, Electroactive Polymer Actuators and Devices (EAPAD) X, Proceedings of the SPIE, Vol. 6927, to appear, 2008.
6. Z. Chen, K. Kwon, X. Tan, "Design of Integrated IPMC/PVDF Sensory Actuator and Its Application to Feedback Control," (Invited), M. Tomizuka, editor, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems, Proceedings of the SPIE, Vol. 6932, to appear, 2008
7. Z. Chen, X. Tan, “A Control-oriented, Physics-based Model for Ionic Polymer-Metal Composite Actuators,” Proc. of the 46th IEEE Conference on Decision and Control, New Orleans, LA, pp. 590-595, 2007
8. Z. Chen, Y. Shen, J. Malinak, N. Xi, X. Tan, “Hybrid IPMC/PVDF Structure for Simultaneous Actuation and Sensing,” in Y. Bar-Cohen, editor, Smart Structures and Materials 2006: Electroactive Polymer Actuators and Devices (EAPAD), Proceedings of SPIE, San Diego, CA, Vol. 6168, 2006
9. Z. Chen, X. Tan, A. Will, C. Ziel, “A Dynamic Model for Ionic Polymer-Metal Composite
   Sensors” (Invited), Proceedings of the World Forum on Smart Materials and Smart
   Structures Technology, Chongqin & Nanjing, China, 2007
10. 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
11. Z. Chen, S. Jagannathan, “A Recursive Method of Obtaining the Optimal Control for Nonlinear Discrete-Time Systems”, Proc. of the 44th IEEE Conference on Decision and Control and European Control Conference, Seville, Spain, pp. 4123 – 4128, Dec. 2005
12. P. He, Z. Chen, S. Jagannathan, “Reinforcement-Learning Neural Network-based Control of Nonlinear Discrete-Time Systems in Non-Strict Form”, Proc. of the 44th IEEE Conference on Decision and Control and European Control Conference, Seville, Spain, pp. 2580 – 2585, 2005
13. J. Chen, Z. Chen, “Two-step Method for Gross Error Detection in Process Data”, Proc. of the American Control Conference, Arlington, VA, pp. 2121-2126, 2001