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Control Systems Refereed Publications (1991-1997)

L.H. Keel, K. Lim, and J.-N. Juang, "Robust Eigenvalue Assignment with Maximum Tolerance to System Uncertainties", AIAA Journal of Guidance, Controls and Dynamics, vol. 14, no. 3, pp. 615 - 620, May-June 1991.

L.H. Keel and S.P. Bhattacharyya, "Frequency Domain Design of Interval Controllers", Control of Uncertain Dynamic Systems, pp. 423 - 438, CRC Press, 1991.

L.H. Keel and S.P. Bhattacharyya, "Extremal Gain and Phase Margins for Interval Plants", International Workshop on Robust Control, San Antonio, TX., March 1991.

L.H. Keel and S.P. Bhattacharyya, "Optimum Design of Robust One-Parameter Controllers for Interval Plants", Proceedings of the 1991 IFAC Symposium on Design Methods for Control Systems, Zurich, Switzerland, September 4 - 6, 1991.

L.H. Keel and S.P. Bhattacharyya, "Extremal Gain and Phase Margins for Interval Systems", Proceedings of the 1991 AIAA Guidance, Navigation and Control Conference, New Oleans, LA., August 1991.

H. Chapellat, L.H. Keel and S.P. Bhattacharyya, "Stability Margin for Multilinear Interval Control Systems", Proceedings of the 1991 IEEE Conference on Decision and Control, Brighton, United Kingdom, December 1991.

Lew, J.-S., Juang J.-N., and R. W., ``Comparison of Several System Identification Methods for Flexible Structures,'' , Proceedings of the 32nd AIAA Structures, Structural Dynamics, and Materials Conference, 1991.

Longman R. W., Lew, J.-S., Tseng, D.-H., and Juang J.-N., ``Variance and Bias Computation for Improved Modal Identification Using ERA/DC,'' Proceedings of American Control Conference, 1991.

Mook, D.-J., and Lew, J.-S., ``Multiple Shooting Algorithms for Jump-Discontinuous Problems in Optimal Control and Estimation,'' IEEE Transactions on Automatic Control, 1991.

Mook, D.-J., and Lew, J.-S., ``An Existence and Uniqueness Proof for the Minimum Model Error Optimal Estimation Algorithm,'' Journal of Guidance, Control, and Dynamics, 1991.

G. S. Ladde and S.Sathananthan, "Periodic Boundary Value Problem for Impulsive Integro-Differential Equations", Journal Mathematics and Physical Sciences, vol. 25, pp. 119 - 129, 1991.

S. Sathananthan and R. Pirapakaran, "Generalized Variation of Constants Formula and Perturbations of Linear Integro-differential Equations ", Texas Journal of Science, vol. 43, pp. 165 - 171, 1991.

S. Ahmad,"Parallel Computer Implementation of Parametric Robust Control" ACM Mid-Southeast Chapter, Gatlinburg, TN, November, 1991.

S.P. Bhattacharyya and L.H. Keel, "Robust Stability and Control of Linear and Multilinear Interval Systems", Control and Dynamic Systems, vol. 51, Part 2, pp. 31 - 77, Academic Press, 1992.

S. Ahmad, L.H. Keel and S.P. Bhattacharyya, "Computer Aided Robust Control Design for Interval Control Systems", Proceedings of the 1992 IEEE Symposium on Computer Aided Control System Design;, Napa, CA., March 1992.

L.H. Keel, J. Shaw and S.P. Bhattacharyya, "Robust Control of Interval Systems", in Robust Control, pp. 24 - 31, Springer Verlag, 1992.

S. Ahmad, L.H. Keel, and S.P. Bhattacharyya, "Robust PID Control and Lead-Lag Compensation for Linear Interval Systems", Robustness of Dynamic Systems with Parameter Uncertainties, pp. 251 - 260, Birhauser Press, 1992.

H. Chapellat, L.H. Keel, and S.P. Bhattacharyya, "Robustness Properties of Multilinear Interval Systems", Robustness of Dynamic Systems with Parameter Uncertainties, pp. 73 - 80, Birhauser Press, 1992.

L.H. Keel and S.P. Bhattacharyya, "Control System Design for Parametric Uncertainty", Proceedings of the 1st Quantitative Feedback Theory Symposium, Wright Pattersen Air Force Base, OH, August 3 - 4, 1992.

Longman, R., Lew, J.-S., and Juang, J.-N., ``Comparison of Candidate Methods to Distinguish Noise Modes from System Modes in Structural Identification,'' Proceeding of the 1992 AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, April 13-15, 1992.

Lew, J.-S., and Mook, D. J., ``Jump Discontinuous Two Point Boundary Value Problems in Optimal Control,'' Proceedings of the 1992 American Control Conference.

G. S. Ladde and S. Sathananthan, "Ito-Type Systems of Stochastic Integro-Differential Equations", Integral Methods in Science and Engineering-90, Hemisphere Publishing Company, pp. 75-89, 1992.

G. S. Ladde and S. Sathananthan, "Error Estimates and Stability of Nonlinear Stochastic Integro-Differential Equations", Journal of Applicable Analysis, vol. 43, pp. 163-189, 1992.

G. S. Ladde, S. Sathananthan, and M. Sambandham"Comparison Theorem and Applications ", International Series of Numerical Mathematics,, vol. 103, pp. 321-342, 1992.

G. S. Ladde and S. Sathananthan, "Stochastic Integro-Differential Equations with Random Parameters-I, ", Dynamic Systems and Applications, , vol. 1, pp. 369-390, 1992.

G. S. Ladde and S. Sathananthan, "Stability of a Lotka-Volterra Model", Journal of Mathematics and Computer Modeling, vol. 16, N0. 3, pp. 99-107, 1992.

S. Ahmad and L.H. Keel, "Robust Lead-Lag Compensation for a Family of Uncertain Linear Systems", International Symposium on Circuits and Systems, San Diego, May 1992.

L.H. Keel and S.P. Bhattacharyya, "Stability Margins for Multilinear Interval Systems via Phase Conditions: A Unified Approach", Proceedings of the 1993 American Control Conference, San Francisco, CA, June 2 - 4, 1993.

L.H. Keel and S.P. Bhattacharyya, "Vertex Results in Robust Stability", Proceedings of the 1993 IFAC World Congress, Sydney, Australia, July 19 - 23, 1993.

L.H. Keel and S.P. Bhattacharyya, "Parametric Stability Margin for Multilinear Interval Control Systems", Proceedings of the 1993 American Control Conference, San Francisco, CA, June 2 - 4, 1993.

J.S. Lew, L.H. Keel, and J-N. Juang, "Quantification of Model Error via an Interval Model with Nonparametric Error Bound", Proceedings of the 1993 AIAA Guidance, Navigation, and Control Conference, Montery, CA, August, 1993.

S.P. Bhattacharyya and L.H. Keel, "Comments on `Extreme Point Results for Robust Stabilization of Interval Plants with First Order Compensators", IEEE Transactions on Automatic Control, vol. 38, no. 11, pp. 1734 - 1735, November 1993.

S. Bhattacharya, L.H. Keel, and S.P. Bhattacharyya, "Robust Stabilizer Synthesis for Interval Plants Using Nevanlina-Pick Theory", Proceedings of the 32nd IEEE Conference on Decision and Control, San Antonio, TX, December 15 - 17, 1993.

Lew, J.-S., Juang J.-N., and Longman R. W., ``Comparison of Several System Identification Methods for Flexible Structures,'' Journal of Sound and Vibration, Vol. 167, No. 3, 1993, pp. 461-480.

Lew, J.-S.,``Application of Singular Value Decomposition for Static Equilibrium Analysis of Mechanical Systems'', 1993 ASME Design Automation Conference, DE-Vol. 65-2, Albuquerque, NM, Sep. 19-22, 1993.

L.H. Keel and S.P. Bhattacharyya, "Control System Design for Parametric Uncertainty", International Journal of Robust and Nonlinear Control, vol. 4, pp. 87 - 100, April 1994.

J.S. Lew, T.L. Link, E. Garcia, and L.H. Keel, "Interval Model Identification for Flexible Structures with Uncertain Parameters", Proceedings of the 1994 AIAA/ASME Adaptive Structures Forum, Hilton Head, SC, April 21 - 22, 1994.

H. Chapellat, L.H. Keel, and S.P. Bhattacharyya, "Extremal Robustness of Multilinear Interval Systems", Automatica, vol. 30, no. 6, pp. 1037 - 1042, June 1994.

L.H. Keel, J.S. Lew, and S.P. Bhattacharyya, "System Identification Using Interval Dynamic Models", Proceedings of the 1994 American Control Conference, Baltimore, MD, June 29 - July 1, 1994.

L.H. Keel and S.P. Bhattacharyya, "Robust Stability of Interval Matrices: A Computational Approach", Proceedings of the 1994 Asian Control Conference, Tokyo, Japan, July 27 - 30, 1994.

L.H. Keel and S.P. Bhattacharyya, "Robust Stability of Interval Matrices: A Computational Approach", Proceedings of the 1994 Asian Control Conference, Tokyo, Japan, July 27 - 30, 1994.

L.H. Keel and S.P. Bhattacharyya, "Robust Parametric Classical Control Design", IEEE Transactions on Automatic Control, vol. 39, no. 7, pp. 1524 - 1530, July 1994.

J.S. Lew, L.H. Keel, and J-N Juang, "Quantification of Model Error via an Interval Model with Nonparametric Error Bound", AIAA Journal of Guidance, Controls, and Dynamics, vol. 17, no. 6, pp. 1212 - 1218, November - December 1994.

Link, T., Lew, J.-S., Garcia, E., and Keel L. H., ``Robustness Verification for Flexible Structures via Interval Control Systems,'' Proceedings~ of ~AIAA~ Guidance,~ Navigation,~ and~ Control~ Conference, Scottsdale, August 1-3, 1994.

G. S. Ladde and S. Sathananthan, "Stochastic Integro-Differential Equations with Random Parameters-II", Dynamic Systems and Applications, vol. 3, pp. 563 - 582, 1994.

G. S. Ladde and S. Sathananthan, "Stability and Error Estimates of Stochastic Integro-Differential Equations", Proceedings of the Eleventh Army Conference in Applied Mathematics and Computation, pp. 691-698, 1994.

G. S. Ladde, S. Sathananthan, and R. Pirapakaran, "Numerical Treatment of Random Differential Equations", Proceedings of the Eleventh Army Conference in Applied Mathematics and Computation, pp. 699 - 712, 1994.

G. S. Ladde and S.Sathananthan, "Diagonalization and Stability of Two-Time Scale Singularly Perturbed Linear Integro-Differential Equations", Proceedings of the Eleventh Army Conference in Applied Mathematics and Computation, pp. 713-720, 1994.

G. S. Ladde, S. Sathananthan, and M. V. Moorthy"Periodic Boundary Value Problems for Second Order Integro-Differential Equations of Volterra-Type,", Proceedings of the 1st International Conference in Dynamic Systems and Applications, Vol. 1, pp. 191-198, 1994.

L.H. Keel and S.P. Bhattacharyya, "Phase Properties of Hurwitz Polynomials", Proceedings of the 34th IEEE Conference on Decision and Control, New Orleans, LA, December 13 - 15, 1995.

L.H. Keel and S.P. Bhattacharyya, "Robust Stability of Interval Matrices: A Computational Approach", International Journal of Control, vol. 62, no. 6, pp. 1491 - 1506, December 1995.

Lew, J.-S., ``Using Transfer Function Parameter Changes for Damage Detection of Structures,'' AIAA Journal, Vol. 33, No. 11, 1995, pp. 2189-2193.

Lew, J.-S., ``Comparison of Interval Modeling Techniques for Structures with Uncertain Parameters,'' 5th International Conference on Adaptive Structures, Technomic Publishing Co., Inc., 1995, pp. 194-205.

M. V. Moorthy, S. Sathananthan, and G. S. Ladde, "Periodic Boundary Value Problems for Second Order Impulsive Integro-Differential Equations", Journal of Applicable Analysis, vol. 58, pp. 187-197, 1995.

G. S. Ladde and S.Sathananthan, "Stability Analysis of Hereditary Iterative Processes ",Journal of Applied Mathematics and Computation, vol. 73 pp. 39-54, 1995.

G. S. Ladde, S. Sathananthan, and R. Pirapakaran"Numerical Treatment of Random Population Models ", Proceedings of Neural, Parallel and Scientific Computations, vol.1, pp. 257-260, 1995.

L.H. Keel and S.P. Bhattacharyya, "Phase Properties of Hurwitz Polynomials", IEEE Transactions on Automatic Control, vol. 41, no. 5, pp. 733 - 734, May 1996.

Y.C. Kim and L.H. Keel, "Robust Stabilization of a Magnetic Levitation Vehicle", Proceedings of the 1996 International Symposium on Intelligent Automation and Control, Montpellier, France, May 27 - 30, 1996.

T.L. Link, J.S. Lew, E. Garcia, and L.H. Keel, "Interval Model Identification and Robustness Analysis for Uncertain Flexible Structures", IEEE Transactions on Control Systems Technology, vol. 4, no. 4, pp. 411 - 418, July 1996.

Lew, J.-S., ``Torque Converter Clutch Slip Control with Friction Uncertainty,'' SAE paper 960432, 1996.

J.S. Lew, S. Sathananthan, and Gu Yan, "Comparison of Damage Detection Algorithm Using Time Domain Data", Proceedings of the Fifteenth International Modal analysis Conference, Orlando, Florida,February 3-6, 1996.

L.H. Keel, J.W. Howze, and S.P. Bhattacharyya, "Robust Tracking and Disturbance Rejection with Two DOF Controllers and Distributed Internal Models", Proceedings of the 1997 American Control Conference, Albuiquerque, NM, June 4 - 6, 1997.

L.H. Keel and S.P. Bhattacharyya, "Robust, Fragile or Optimal?", Proceedings of the 1997 American Control Conference, Albuiquerque, NM, June 4 - 6, 1997.

Lew, J.-S., and Lim, K. B., ``Model Reduction of Interval System for Robust Control,'' 16th ASME Biennial Conference, September 14-17,1997.

Lew, J.-S., ``Transfer Function Parameter Changes Due to Structural Damage,'' 1997 AIAA/ASME/AHS Adaptive Structures Forum, Kissimmee, Florida, April 7-10, 1997.

Lew, J.-S., Sathananthan, S., and Gu, Y., ``Comparison of Damage Detection Algorithms Using Time Domain Data,'' 15 International Modal Analysis Conference, Orlando, Florida, February 3-6, 1997.