"On Model Reduction and Control of Discrete Time Systems",
Information Systems Laboratory, Stanford University, 1986 (NASA grant
”Fuzzy Control”, Instrumentation & Control Systems Dept., Chiyoda
Corp., Yokohama, Japan, 1988
 "Evaluation of Distribution Control Systems" with M. Bettayeb and
H. Shabaeik. Prepared for Yanbu Petromin Refinery, Decemmber 1989.
 "Development of Advanced Computer Control for Petrochemical
Industries" with M. Bettayeb andT. Bakri. Proposal for the Research
Institute and ARAMCO, 1989.
 U. M. Al-Saggaf," Weak Coupling and Near Optimal Regulators for
Discrete Balanced Systems", Industrial Control Unit, University of
Strathclyde, Glasgow, U.K., Report ICU/298, July 1990.
 U. M. Al-Saggaf," Model Reduction for Discrete Unstable Systems
Based on Generalized Normal Representations", Industrial Control Unit,
University of Strathclyde, Glasgow, U.K., Report ICU/300, July 1990.
Classified reports for the Ministry of Defense and Aviation
articles for IEEE Transaction on Circuit and Systems, IEEE Transaction
on Automatic Control,IEEE Transaction on Acoustic, Speech and Signal
Processing, IMA Journal of Mathematical Control and Information, The
Arabian Journal for Science and Engineering., The 12th National Computer
Conference,King Abdulaziz University (Scientific Research Council)
U. M. Al-Saggaf
and M. Bettayeb, Techniques in Optimized Model Reduction for High
Dimensional Systems, Invited chapter in International Academic Press
Series, "Advances in Control and Dynamic Systems", Vol.55, part 1, pp