M. Edwin Sawan, Ph.D.

M. Edwin Sawan, Ph.D.

M. Edwin Sawan, Ph.D.

Professor Emeritus

Electrical and Computer Engineering · College of Engineering

Academic Interests and Expertise

Education:

  • B.S. (Distinction with Honors), EE, University of Alexandria, Egypt, 1973.
  • M.S. in Automatic Control and Computers, University of Alexandria, Egypt, 1976.
  • Ph.D., EE, University of Illinois, Urbana-Champaign, 1979.

Research Area:

  • Control Systems

Areas of Teaching Interest

Recent Courses Taught:

  • ECE 284 Circuits II
  • ECE 792 Linear Systems
  • ECE 777A Applied Digital Control
  • ECE 877-J Discrete-Event Systems
  • ECE893 Optimal Control
  • ECE993 Large Scale Control Systems

Publications

Selected:

  • Tran, M.T. and M.E. Sawan, “On the Discrete Riccati Equation”, The Society for Industrial and Applied Mathematics Journal on Algebraic and Discrete Methods, vol.6, no.1, January 1985, pp. 107-108.
  • Fu, S.J. and M.E. Sawan, “Solution of the Discrete Lyapunov Equation”, The Society for Industrial and Applied Mathematics Journal on Algebraic and Discrete Methods, vol.6 , no.2, April 1985, pp. 341-344.
  • Fu, S.J. and M.E. Sawan, “Trajectory Sensitivity Analysis: A New Criterion”, International Journal of Systems Science, vol.16, no.6, June 1985, pp. 769-776.
  • Oloomi, H. and M.E. Sawan, “Observer-Based Controllers for Sampled-Data Singularly Perturbed Systems”, IEEE Transactions on Automatic Control, vol. AC-32, no.3, March 1987, pp. 246-249.
  • Tran, M.T. and M.E. Sawan, “Exact Eigenvalue Placement for Two-Time-Scale Discrete-Time Systems”, International Journal of Systems Science, vol. 19, no. 3, March 1988, pp. 453-458.
  • Oloomi, H. and M.E. Sawan, “Optimal Sensor Placement in Decentralized Control Systems”, International Journal of Systems Science, vol. 20, no. 6, June 1989, pp. 939-943.
  • Rousan, N.S. and M.E. Sawan, “Optimal Pole Shifting for Discrete Multivariable Systems”, International Journal of Systems Science , vol. 23, no. 5, May 1992 , pp. 799-806.
  • Shao, Z. and M.E. Sawan, “Robust Stability of Systems with Multi-structured Uncertainties”, Journal of the Franklin Institute, vol. 330, number 2, March 1993, pp.281-290.
  • S. Arar and M. E. Sawan, “Optimal Pole Placement with Prescribed Eigenvalues for Continuous Systems”, Journal of the Franklin Institute, vol. 330, no. 5, September 1993, pp. 985-994.
  • Shao, Z. and M.E. Sawan, “Robust Stability of Singularly Perturbed Systems” International Journal of Control, vol. 58, number 6, November 1993, pp. 1469-1476.
  • Vian, J.L. and M.E. Sawan, “H-infinity Control for a Singularly Perturbed Aircraft Model”, Journal of Optimal Control Applications & Methods, vol. 15, pp.277-289, July 1994.
  • H. Shao and M. E. Sawan, “Sensitivity Analysis for Systems with Structured Uncertainty”, International Journal of Systems Science, vol. 25, no. 7, July 1994, pp. 1093-1103.
  • M. Oloomi and M. E. Sawan, “Characterization of Zeros in Two-Frequency-Scale Systems”, IEEE Transactions on Automatic Control, vol. 40, no. 1, January 1995, pp. 92-96.
  • S. Arar and M. E. Sawan, “Design of Optimal Control Systems with Eigenvalue Placement in a Specified Region”, Journal of Optimal Control Applications & Methods, vol. 16, pp. 149-154 (1995).
  • A.S. Arar and M. E. Sawan, “Pole Placement via Optimal Output Feedback Control”, Journal of Control Theory and Advanced Technology, vol. 10, No. 4, pp. 1129-1137, June 1995.
  • Shue, S. P., M. E. Sawan, and K. Rokhsaz, “Optimal Feedback Control of a Nonlinear System – A Wing Rock Example” AIAA Journal of Guidance , Control and Dynamics, vol 19, No. 1, pp. 166-171, January 1996.
  • Shue, S. P., M. E. Sawan, and K. Rokhsaz, “Prescribed Pole Placement with Optimal Weight Selection for Single-Input Controllable Systems” AIAA Journal of Guidance , Control and Dynamics, vol 19, No. 1, pp. 253-255, January 1996.
  • Oloomi, H.M. and M.E. Sawan, “H-infinity Model Matching Problem for Singularly Perturbed Systems,” Automatica, vol. 32, no. 3, pp. 369-374, 1996.
  • Arar, A. S. , M. E. Sawan , and A. J. Tamraz, “Relation between Pole-placement and Linear Quadratic Regulator for Discrete-time Systems,” Journal of the Franklin Institute, vol. 334B, no. 4, pp. 515-523, 1997.
  • Oloomi, H.M. and M.E. Sawan, “High-Gain Sampled-Data Systems: Deadbeat Strategy, Disturbance, Decoupling and Cheap Control,” International Journal of Systems Science, vol. 27, no. 10, pp. 1017-1026, 1997.
  • Shue, S.P., M.E. Sawan and K. Rokhsaz, “Mixed H2/H~infinity Method Suitable for Gain Scheduled Aircraft Control,” AIAA Journal of Guidance , Control and Dynamics, vol. 20, No. 4, pp. 699-706, June 1997.
  • Loescharataramdee, C. and M. E. Sawan, “Stability Robustness Bounds of Discrete Two-Time-Scale Systems,” Journal of the Franklin Institute, vol. 336, No. 6, pp. 973-981, September, 1999.
  • Shim, K. H. and M. E. Sawan, “LQR Design for Singularly-Perturbed Systems by Unified Approach using Delta Operators,” International Journal of Systems Science, vol. 32, No. 9, pp. 1119-1125, September 2001.
  • Shim, K. H. and M. E. Sawan, “A Study on Singularly Perturbed Open-Loop Systems by Delta Operator Approach,” Transactions of The Institute of Control, Automation, and Systems Engineers (ICASE), Korea, vol. 3, No. 4, pp. 242-249, December 2001.
  • Shim, K. H. and M. E. Sawan, “Near-Optimal State Feedback Design for Singularly Perturbed Systems by Unified Approach using Delta Operators,” International Journal of Systems Science, vol. 33, No. 3, pp. 197-212, March 2002.
  • Shim, K. H. and M. E. Sawan, “Rationalization of Singularly Perturbed Continuous Systems with Time Delays,” International Journal of Systems Science, vol. 34, No. 4, pp. 263-268, March 2003.
  • Lee, K., Shim, K. H. and M. E. Sawan, “Unified Modeling for Singularly Perturbed Systems by Delta Operators: Pole Assignment Case,” Lecture Notes in Computer Science, vol. LNAI 3397, pp. 24-32, February 2005.
  • Shim, K. H. and M. E. Sawan, “Approximate Controller Design for Singularly Perturbed Aircraft System,” Aircraft Engineering and Aerospace Technology, vol. 77, No.4, pp. 311-316, July 2005.
  • Shao, Z. and M. E. Sawan, “Stabilization of Uncertain Singularly Perturbed Systems,” IEE Proceedings on Control Theory & Applications, vol. 153, No. 1, pp. 99-103, January 2006.
  • Shim, K.H. and M. E. Sawan, “Singularly Perturbed Unified Systems with Low Sensitivity to Model Reduction using Delta Operator,” International Journal of Systems Science, vol. 37, No. 4, pp. 243-251, March 2006.

Awards and Honors

Wichita State University – Academy for Effective Teaching Award, 2009.

Dwane and Velma Wallace Award for Excellence in Teaching, 2002.

College of Engineering Award for Excellence in Teaching, 1983.