All of papers below are in Adobe PDF format

Active Disturbance Rejection Control (ADRC)

"A Robust Two-Degree-of-Freedom Control Design Technique and its Practical Application,” Robert Miklosovic and Zhiqiang Gao, To be presented at the IEEE Industrial Application Society 2004 Annual Meeting and World Conference, Industrial Automation and Control Committee, Oct. 3-7, 2004.

"A Comparison Study of Advanced State Observer Design Techniques," Weiwen Wang and Zhiqiang Gao, Presented on June 4 - 6, 2003 in American Control Conference, at Denver, CO.

"Active Disturbance Rejection Control for Web Tension Regulation", Yi Hou, Zhiqiang Gao, Fangjun Jiang, and Brian T. Boulter. Presented at the 2001 IEEE Conference on Decision and Control.

"An Alternative Paradigm for Control System Design", Zhiqiang Gao and Yi Huang, Jingqing Han, Presented at the 2001 IEEE Conference on Decision and Control.

"A Novel Motion Control Design Approach Based on Active Disturbance Rejection", Zhiqiang Gao, Shaohua Hu, and Fangjun Jiang. Presented at the 2001 IEEE Conference on Decision and Control.

“The Robustness of control System and Gödel’s “Incompleteness Theorem”,” Jingqing Han, Control theory and applications Vol 16 Suppl., Dec 1999.  Chinese Version

“Control Theory, Is It A Model Analysis Approach or A Direct Control Approach,” Jingqing Han.   Chinese Version
 

Control System Robustness

“Analyzing Control System Robustness”, D. Simon, IEEE Potentials, vol. 21, pp. 16-19, February 2002

“From Here to Infinity”, D. Simon, Embedded Systems Programming, vol. 14, no. 11, pp. 20-32, October 2001 optimal control

Instant Design Optimization

"A Simulation-Based Generic Tool for Multidisciplinary Design Optimization," Lin, P. P. and Jules, K., AIAA 2000-4783, 8th AIAA/NASA/USAF/ISSMO Symposium on Multidisciplinary Analysis and Optimization, Long Beach, CA, 2000.

"Multidisciplinary System Design Optimization Using Taguchi Techniques, Fuzzy Logic and neural Networks", Jules, K., and Lin, P. P., AIAA Paper No. 2000-0688, 38th Aerospace Science Meeting & Exhibit, Reno, NV, 2000.
 

Fuzzy Logic Control

“Kalman Filtering for Fuzzy Discrete Time Dynamic Systems,” D. Simon, Applied Soft Computing, vol. 3, no. 3, pp. 191-207, November 2003

“Fuzzy Control,” D. Simon, Embedded Systems Programming, vol. 16, no. 7, pp. 55-56, July 2003

“Training Fuzzy Systems with the Extended Kalman Filter”, D. Simon, Fuzzy Sets and Systems, vol. 132, pp. 189-199,  December 2002

“Sum Normal Optimization of Fuzzy Membership Functions,” D. Simon, International Journal of Uncertainty, Fuzziness, and Knowledge-Based Systems, vol. 10, pp. 363-384, August 2002.

"Fuzzy Logic Control of an Industrial Indexing Motion Application", Wilfred Nonnenmacher and Zhiqiang Gao, Presented at the ISA Conference, September 10-13, 2001.

"Book Review: Fuzzy Control by K. Passino and S. Yurkovich", Zhiqiang Gao, IEEE Transaction On Automatic Control, Vol 45, NO. 10, October 2000.

“Design and Rule Base Reduction of a Fuzzy Filter for the Estimation of Motor Currents”, D. Simon, International Journal of Approximate Reasoning, vol. 25, pp. 145-167, October 2000.

“Fuzzy Membership Optimization via the Extended Kalman Filter”, D. Simon, North American Fuzzy Information Processing Society Conference, Atlanta, GA, pp. 311-315, July 2000.

“Fuzzy Estimation of DC Motor Winding Currents”, D. Simon, North American Fuzzy Information Processing Society Conference, New York, NY, pp. 859-863, June 1999.

"On-line Free Form Surface Measurement via a Fuzzy-logic Controlled Scanning Probe," Chang, M., and Lin, P. P., International Journal of Machine and Manufacture, V39, pp. 537-552, 1999.
 

Kalman Filter

“Kalman Filtering for Fuzzy Discrete Time Dynamic Systems,” D. Simon, Applied Soft Computing, vol. 3, no. 3, pp. 191-207, November 2003

“Aircraft Turbofan Engine Health Estimation Using Constrained Kalman Filtering,” D. Simon and D.L. Simon, ASME Turbo Expo 2003, Atlanta, GA, paper GT2003-38584, June 2003

“Training Fuzzy Systems with the Extended Kalman Filter”, D. Simon, Fuzzy Sets and Systems, vol. 132, pp. 189-199,  December 2002

“Training Radial Basis Neural Networks with the Extended Kalman Filter”, D. Simon, Neurocomputing, vol. 48, pp. 455-475, October 2002.

“Kalman Filtering with State Equality Constraints”, D. Simon and T. Chia, IEEE Transactions on Aerospace and Electronic Systems, vol. 39, pp. 128-136, January 2002.

“Kalman Filtering”, D. Simon, Embedded Systems Programming, vol. 14, no. 6, pp. 72-79, June 2001.

“Fuzzy Membership Optimization via the Extended Kalman Filter”, D. Simon, North American Fuzzy Information Processing Society Conference, Atlanta, GA, pp. 311-315, July 2000.
 

Intelligent System Monitoring

“An Intelligent System for Monitoring the Microgravity Environment Quality On-Board the International Space Station,” Lin, P. P., and Jules, K., IEEE Transaction on Instrumentation and Measurement, Oct., 2002.

“Monitoring the Microgravity Environment Quality On-Board the International Space Station using Soft Computing Techniques – Part II: Preliminary System Performance Results”, Jules, K., Lin, P. P., and Weiss, D. S., IAF-01-J.5.01, 52nd Int’l Astronautical Congress, Toulouse, France, 2001.

"Monitoring the Microgravity Environment Quality On-Board the International Space Station Using Soft Computing Techniques – Part I: System Design", Jules, K. and Lin, P. P., IAF-00-J.5.07, 51st International Astronautical Congress, Rio de Janeiro, Brazil, 2000.
 

Machine Vision & Optical Measurements

"A 3-D Surface Geometry Measurement Technique Using Fringe Projection," Lin, P. P., and Kuo, C. T., Lasers in Engineering, V8, pp. 159-174, 1999.

"Three-Dimensional Deformation Comparison Between F-16 Bias and Radial Aircraft Tires," Lin, P. P., Chawla, M. D., and Wagner, P. M, Tire Science and Technology, V25, N1, pp. 63-75, 1997.
 

Motor Control

“Synchronous Motor Phase Control By Vector Addition of Induced Winding Voltages,” D. Simon and D. Feucht, IEEE Transactions on Industrial Electronics, vol. 51, no. 3, pp. 537-544, June 2004

“Modeling and Analysis of Signal Estimation for Stepper Motor Control,” D. Simon, Aerospace Power and Electronics Simulation Workshop, Cleveland, OH, October 2003

“Get Your Motor Running,” D. Simon, Embedded Systems Programming, vol. 16, no.5, pp. 20-26, May 2003

“DSP-Based Field-Oriented Step Motor Control”, D. Simon and D. Feucht, SHARC International DSP Conference, Boston, MA, pp. 303-309, September 2001.

Neural Networks

“Training Radial Basis Neural Networks with the Extended Kalman Filter”, D. Simon, Neurocomputing, vol. 48, pp. 455-475, October 2002.

“Distributed Fault Tolerance in Optimal Interpolative Nets", D. Simon, IEEE Transactions on Neural Networks, vol. 12, pp. 1348-1357, November 2001

“Artificial Neural Networks Applications: From Aircraft Design Optimization to Orbiting Spacecraft On-board Environment Monitoring,” Jules, K., Lin, P.P., NIMA-Sc2001-2001 NATO Advanced Study Institute on Neural Networks for Instrumentation, Measurement and Related Industrial applications: Study Cases, Crema, Italy, 2001

"Multidisciplinary System Design Optimization Using Taguchi Techniques, Fuzzy Logic and neural Networks", Jules, K., and Lin, P. P., AIAA Paper No. 2000-0688, 38th Aerospace Science Meeting & Exhibit, Reno, NV, 2000.

"Development of an Optimized Multidisciplinary System Design Tool Using Taguchi Techniques and Neural Networks: Part II," Lin, P. P., and Jules K., Proceedings of Artificial Neural Networks in Engineering (ANNIE'98) Conference, Intelligent Engineering Systems Through Artificial Neural Networks, V8, ASME Press, pp. 861-866, 1998.

“Neural Networks for Optimal Robot Trajectory Planning,” D. Simon, in Handbook of Neural Computation, (E. Fiesler and R. Beale, Editors) New York, Institute of Physics Publishing, pp. G2.5:1-8, 1997.

"Development of an Optimized Multidisciplinary System Design Tool Using Taguchi Techniques and Neural Networks, Part I," Lin, P. P., and Jules, K., Proceedings of Artificial Neural Networks in Engineering (ANNIE'97) Conference, Intelligent Engineering Systems Through Artificial Neural Networks, V7, ASME Press, pp. 925-930, 1997.
 

Nonlinear PID

"A Robust Two-Degree-of-Freedom Control Design Technique and its Practical Application,” Robert Miklosovic and Zhiqiang Gao, To be presented at the IEEE Industrial Application Society 2004 Annual Meeting and World Conference, Industrial Automation and Control Committee, Oct. 3-7, 2004.

“A Closed Loop Solution to an Industrial Bar Straightener,” Robert Miklosovic and Zhiqiang Gao, Presented at the IEEE Industrial Application Society 2003 Annual Meeting and World Conference, Metals Industry Committee, Oct. 12-16, 2003.

"A Comparison Study of Advanced State Observer Design Techniques," Weiwen Wang and Zhiqiang Gao, Presented at American Control Conference, Denver, Colorado June 4-6, 2003.

“Nonlinear Control of Low-Frequency Mechanical Resonance in Industrial Servo System,” Shahid Parvez and Zhiqiang Gao, Presented at the ISA Emerging  Technologies Conference, 2002, Chicago, IL.

"An Application of Nonlinear PID Control to a Class of Truck ABS Problems", Fangjun Jiang and Zhiqiang Gao. Presented at the 2001 IEEE Conference on Decision and Control.

"From Linear to Nonlinear Control Means: A Practical Progression", Presented at the ISA Emerging Technology Conference, September 12, 2001; Appeared in ISA Transactions, vol.41, no.2 p. 177-89, April 2002.

"Nonlinear Digital Control Implementation for a DC-DC Power Converter", Jack Zeller, Minshao Zhu, Tom Stimac, and Zhiqiang Gao. 36th Intersociety Energy Conversion Engineering Conference, July 29-August 2, 2001.

"A Novel PID Controller for Pneumatic Proportional Valves with Hysteresis", Majed (Marv) Hamdan, and Zhiqiang Gao, IEEE Industrial Application Society 2000 Annual Meeting and World Conference on Industrial Applications of Electrical Energy, Oct. 8-12, 2000.

Research Methodology

"Theory vs. Practice: The Challenges From Industry," Zhiqiang Gao, R. Russell Rhinehart, Presented at 2004 American Control Conference, June 30 - July 2, 2004.

"From Linear to Nonlinear Control Means: A Practical Progression", Presented at the ISA Emerging Technology Conference, September 12, 2001; Appeared in ISA Transactions, vol.41, no.2 p. 177-89, April 2002.

"An Alternative Paradigm for Control System Design", Zhiqiang Gao and Yi Huang, Jingqing Han, Presented at the 2001 IEEE Conference on Decision and Control.

Tuning / Self-Tuning  

"Scaling and Bandwidth-Parameterization Based Controller Tuning," Zhiqiang Gao, Presented on June 2003 at the American Control Conference, Denver, CO.

"A Novel Self-Tuning Control Design Approach for Industrial Applications", Richard J. Eucker and Zhiqiang Gao, IEEE Industrial Application Society 2000 Annual Meeting and World Conference on Industrial Applications of Electrical Energy, Oct. 8-12, 2000.

A Stable Self-Tuning Fuzzy Logic Control System for Industrial Temperature Control Problems", Zhiqiang Gao, Thomas A. Trautzsch, and James Dawson, IEEE Industrial Application Society 2000 Annual Meeting and World Conference on Industrial Applications of Electrical Energy, Oct. 8-12, 2000; Accepted for publication in IEEE IAS Transactions.

"Design and Implementation of a Digital Controller for DC-DC Power Converters", John Sustersic, Zhiqiang Gao, John R. Zeller, and Robert Button, SAE Power System Conference, Oct. 2000.
 

Wavelet 

"A Novel Motion Control Scheme using Wavelets," Shahid Parvez and Zhiqiang Gao, Presented at IEEE IAS Oct. 16-19, 2003 at Salt Lake City, UT.

"A Novel Controller Based On Multi-Resolution Decomposition Using Wavelet Transforms", Shahid Parvez and Zhiqiang Gao, Presented at ISA 2002 Conference, Chicago, IL.
 

Miscellaneous

"On Discrete Time Optimal Control: A Closed-Form Solution," Zhiqiang Gao, Presented at 2004 American Control Conference, Boston, Massachusetts, June 30 - July 2, 2004

“Data Smoothing and Interpolation Using Eighth-order Algebraic Splines,” D. Simon, IEEE Transactions on Signal Processing, vol. 52, no. 4, pp. 1136-1144, April 2004