Publications
X. Wang, A. Ray and A. Khatkhate, On-line Identification of Language Measure Parameters for Discrete Event Supervisory Control Applied Mathematical Modelling, Vol. 29, No. 6, June 2005, pp. 597-613.
J.F. Horn, D K Tolani, C M Lagoa, Q Wang and A Ray, Probabilistic Robust Control of Rotorcraft, Control Engineering Practice, Vol. 13, No. 8, August 2005, pp. 1037-1046.
C. Lagoa, J.Fu and A. Ray, Robust Optimal Control of Regular Languages, Automatica, Vol. 41, No. 8, August 2005, pp. 1339-1445.
A. Ray, Signed Real Measure of Regular languages for Discrete Event Supervisory Control, International Journal of Control, Vol. 78, No. 12, August 2005, pp. 949-967.
S. Chin, A. Ray and V. Rajagopalan, Symbolic Time Series Analysis for Anomaly Detection: A Comparative Evaluation, Signal Processing, Vol. 85, No. 9, September 2005, pp. 1859-1868.
I. Chattopadhyay and A. Ray, A Complex Measure for Linear Grammars, Demonstratio Mathematica, Vol. 38, No. 3, 2005, pp. 761-775.
A. Surana and A. Ray, Measure of Regular Languages, Demonstratio Mathematica, Vol. 37, No. 2, June 2004, pp. 485-503
A. Ray, Symbolic Dynamic Analysis of Complex Systems for Anomaly Detection, Signal Processing Vol. 84, No. 7, July 2004, pp. 1115-1130.
A. Ray, J. Fu and C.M. Lagoa, Optimal Supervisory Control of Finite State Automata, International Journal of Control, Vol. 77, No. 12, August 2004, pp. 1083-1100.
X. Wang and A. Ray, A Language Measure for Performance Evaluation of Discrete Event Supervisory Control Systems, Applied Mathematical Modelling, Vol. 28, No. 9, September 2004, pp. 817-833.
V. Phoha, A. Nadgar, A. Ray, S. Phoha and V. Jain, Supervisory Control of Software Systems, IEEE Transactions on Computers, Vol. 53, No. 9, September 2004, pp. 1187-1199.
A. Ray, Stochastic Measure of Fatigue Crack Damage for Health Monitoring of Ductile Alloy Structures, Structural Health Monitoring, Vol. 3, No. 3, September 2004, pp. 245-263.
A. Petruzzi, S. Chin, K. Ivanov, A. Ray and F-B. Cheung, Development of Methodology for Early Detection of BWR Instabilities, Trans. Am. Nuc. Soc, Vol. 91, November 2004, pp. 902-904.
X. Wang, A. Ray, P. Lee and J. Fu, Optimal Control of Robot Behavior Using Language Measure, International Journal of Vehicle Autonomous Systems, Vol. 2, Nos. 3/4, 2004, pp. 147-167.
A. Ray, J. Fu and C. Lagoa, Optimal Control of Regular Languages with Event Disabling Cost, Demonstratio Mathematica, Vol. 37, No. 4, 2004, pp. 991-1013.
A. Ray, A. Surana and S. Phoha, A Language Measure for Supervisory Control, Applied Mathematics Letters, Vol. 16, September 2003, pp. 985-991.
B.S. Hong, A. Ray and V. Yang, Output Feedback Linear Parameter Varying (LPV) L2-gain Control, ASME Journal of Dynamic Systems, Measurement, and Control, Vol. 125, No. 3, September 2003, pp. 485-489.
E. Keller and A. Ray, Real-time Nondestructive Evaluation of Mechanical Structures, Structural Health Monitoring Vol. 2, No. 3, September 2003, pp. 191-203.
A. Ray and S. Phoha, Calibration and Estimation of Redundant Signals for Real-time Monitoring and Control, Signal Processing, Vol. 83, No.12, December 2003, pp. 2593-2605.
A. Ray and S. Phoha, Signed Real Measure of Regular Languages for Discrete-Event Automata, International Journal of Control, Vol. 76, No. 18, December 2003, pp. 1800-1808.
A. Ray and S. Phoha, Detection of Potential Faults via Multi-level Hypotheses Testing, Signal Processing, Vol. 82, No. 6, June 2002, pp. 853-859.
A. Ray and R. Patankar, 2001, Fatigue Crack Growth under Variable-amplitude Loading: Part I – Model Formulation in State-Space Setting, Applied Mathematical Modelling, Vol. 25, Issue 11, pp. 995-1013.
M. Holmes and A. Ray, 2001, Fuzzy Damage Mitigating Control of a Fossil Power Plant, IEEE Trans. on Control Systems Technology, Vol. 9, No. 1, pp. 140-147.
B-S. Hong and A. Ray, 2001, Observer-Embedded L2-Gain Control, Applied Mathematics Letters, Vol 14, No. 5, pp. 563-569.
A. Ray, M. Holmes and C.F. Lorenzo, 2001, Life Extending Controller Design for Reusable Rocket Engines, The Aeronautical Journal, Vol. 105, No. 1048, pp. 315-322.
J. Caplin, A. Ray and S.M. Joshi, 2001, Robust Damage-Mitigating Control of Aircraft for High Performance and Structural Durability, IEEE Trans. on Aerospace and Electronic Systems, Vol. 37, no. 3, pp. 849-862.
C.F. Lorenzo, A. Ray and M. Holmes, 2001, Nonlinear Control of a Reusable Rocket Engine for Life Extension, AIAA Journal of Propulsion and Power, Vol. 17, No. 5, pp. 998-1004.
A. Ray and R. Patankar, 2001, Fatigue Crack Growth under Variable-amplitude Loading: Part I – Model Formulation in State-Space Setting, Applied Mathematical Modelling, Vol. 25, Issue 11, pp. 979-99.
H. Zhang, A. Ray and S. Phoha, 2000, Hybrid Life Extending Control of Mechanical Systems: Experimental Validation of the Concept, Automatica, Vol. 36, No. 1, pp. 23-36.
P. Kallappa and A. Ray, 2000, Fuzzy Wide-Range Control of Fossil Power Plants for Life extension and Robust Performance, Automatica, Vol. 36, No. 1, pp. 69-82
B-S. Hong, V. Yang and A. Ray, 2000, Robust Feedback Control of Combustion Instability with Modeling Uncertainty, Combustion and Flame, Vol. 120, pp. 91-106
R. Patankar and A. Ray, 2000, State-Space Modeling of Fatigue Crack Growth in Ductile Alloys, Engineering Fracture Mechanics, Vol. 66, No. 2, pp. 136-151
H. Zhang, A. Ray and R. Patankar, 2000, Damage-Mitigating Control with Overload Injection: Experimental Validation of the Concept, ASME Journal of Dynamic Systems, Measurement and Control, Vol. 122, No. 2, pp. 336-342
H. Zhang, A. Ray and R. Patankar, 2000, Damage-Mitigating Control with Overload Injection: Experimental Validation of the Concept, ASME Journal of Dynamic Systems, Measurement and Control, Vol. 122, No. 2, pp. 336-342
C.F. Lorenzo, M. Holmes and A. Ray, 2000, Nonlinear Life Extending Control of a Rocket Engine, AIAA Journal of Guidance, Control, and Dynamics, Vol. 23, No. 4, pp. 759-762
A. Ray and J. Caplin, 2000, Life Extending Control of Aircraft: Trade-off between Flight Performance and Structural Durability, The Aeronautical Journal, Vol. 104, No. 1039, pp. 397-408
S.J. Pinchak and A. Ray, 2000, Pilot Safety Enhancement for On-board Ground Collision Avoidance Systems, Aeronautical Engineering and Aerospace Technology, Vol. 72, No. 5, pp. 422-429
A. Ray and S. Phoha, 2000, Calibration and Estimation of Redundant Signals, Automatica, Vol. 36, No. 10, pp. 1525-153.
A. Ray and S. Phoha, 1999, Integrated Prognostics, Maintenance, and Life Extending Control, Computer-Aided Maintenance: Methodologies and Practices, Kluwer Academic Publishers, Dordrecht, The Netherlands, eds. J. Lee and B. Wang, Chapter 7, pp. 136-169.
S. Phoha and A. Ray, 1999, Life Extension of Operating Machinery Using the National Information Infrastructure (NII), Computer-Aided Maintenance: Methodologies and Practices, Kluwer Academic Publishers, Dordrecht, The Netherlands, eds. J. Lee and B. Wang, Chapter 11, pp. 231-26.
A. Ray, 1999, Stochastic Modeling of Fatigue Crack Damage for Risk Analysis and Remaining Life Prediction, ASME Journal of Dynamic Systems, Measurement, and Control, Vol. 121, No. 3, pp. 386-393.
A. Ray and R. Patankar, 1999, A Stochastic Model of Fatigue Crack Propagation under Variable-Amplitude Loading, Engineering Fracture Mechanics, Vol. 62, No. 4-5, pp. 477-493.
N-C. Tsai and A. Ray, 1999, Compensatability and Optimal Compensation under Randomly Varying Delays, International Journal of Control, Vol. 72, No. 9, pp. 826-832.
A. Ray and S. Phoha, 1999, Stochastic Modeling of Fatigue Crack Damage for Information-Based Maintenance, Annals of Operations Research, Vol. 91, pp. 191-204.
R. Patankar and A. Ray, 1999, Damage Mitigating Controller Design for Structural Durability, IEEE Trans. on Control Systems Technology, Vol. 7, No. 5, pp. 606-612.
H. Zhang and A. Ray, 1999, Robust Damage-Mitigating Control of Mechanical Structures: Experimental Validation on a Test Apparatus, ASME Journal of Dynamic Systems, Measurement, and Control, Vol. 121, No. 3, pp. 377-38.
A. Ray, S. Phoha and S. Tangirala, 1998, Stochastic Modelling of Fatigue Crack Propagation, Applied Mathematical Modelling, Vol. 22, pp. 197-204.
A. Ray, S. Phoha and S. Tangirala, 1998, Stochastic Modelling of Fatigue Crack Propagation, Applied Mathematical Modelling, Vol. 22, pp. 197-204.
M. Holmes and A. Ray, 1998, Fuzzy Damage Mitigating Control of Mechanical Structures, ASME Journal of Dynamic Systems, Measurement and Control, Vol. 120, No. 2, pp. 249-256
E. Yaz and A. Ray, 1998, Linear Unbiased State Estimation for Randomly Varying Sensor Delay, Applied Mathematics Letters, Vol. 11, No. 4, pp. 27-32
J.N. Rozak and A. Ray, 1998, Robust Multivariable Control of Rotorcraft in forward flight: Impact of Bandwidth on Fatigue Life, Journal of the American Helicopter Society, Vol. 43, No. 3, pp. 195-201.
R. Patankar, A. Ray and A. Lakhtakia, 1998, A State-Space Model of Fatigue Crack Growth, International Journal of Fracture, Vol. 90, No.3, pp. 235-24.
A. Ray and S. Tangirala. A Nonlinear Stochastic Model of Fatigue Crack Dynamics, Probabilistic Engineering Mechanics, Vol. 12, No. 1, pp. 33-40, January 1997.
J.N. Rozak and A. Ray. Robust Muultivariable Control of Rotorcraft in forward flight, Journal of the American Helicopter Society, Vol. 42, No. 2, pp. 149-160, April 1997.
M. Holmes, S. Tangirala, and A. Ray. Life Extending Control of Reusable Rocket Engines, AIAA Journal of Guidance, Control and Dynamics, Vol. 20, No. 3, pp. 621-623, May-June 1997.
P.T. Kallappa, M. Holmes, and A. Ray. Life Extending Control of Fossil Power Plants for Structural Durability and High Performance, Automatica, Vol. 33, No. 6, pp. 1101-1118, June 1997.
N-C. Tsai and A. Ray. Stochastic Optimal Control under Randomly Varying Delays, International Journal of Control, Vol. 68, No. 5, pp. 1179-1202, 1997.
M. Holmes, S. Tangirala, and A. Ray, Life Extending Control of Rocket Engines, American Control Conference, Albuquerque, NM, June 1997.
A. Ray and S. Tangirala. Stochastic Modeling of Fatigue Cracks for Real-Time Damage Sensing, American Control Conference, Albuquerque, June 1997.
E. Keller, H. Zhang, and A. Ray. Adaptive Robust Control of a Fatigue Testing Machine for On-Line Damage Sensing/Life Prediction, American Control Conference, Albuquerque, June 1997.
M. Holmes and A. Ray, Fuzzy Damage-Mitigating Control of Mechanical Structures, IEEE Decision and Control Conference, San Diego, CA, December 1997.
J. Caplin and A. Ray. Life Extending Control of Gas Turbine Engines for Aircraft Propulsion, IEEE Decision and Control Conference, San Diego, CA, December 1997.
H.E. Garcia and A. Ray. State-Space Supervisory Control of Reconfigurable Discrete Event Systems, International Journal of Control, Vol. 63, No. 4, pp. 767-797, April 1996.
M. Holmes, A. Ray, and D. Mudgett, Modeling of the Planar Motion of a Proposed Laboratory Flexible Structure, AIAA Journal of Guidance, Control and Dynamics, Vol. 19, No. 3, pp. 710-713, May/June 1996.
C-K. Weng, A. Ray, and X. Dai, Modelling of Power Plant Dynamics and Uncertainties for Robust Control Synthesis, Applied Mathematical Modelling, Vol. 20, pp. 501-512, July 1996.
A. Ray and S. Tangirala, Stochastic Modeling of Fatigue Crack Dynamics for On-line Damage Estimation and Life Prediction, IEEE Trans. on Control Systems Technology, Vol. 4, No. 4, pp. 443-451, July 1996.
X. Dai and A. Ray, Damage-Mitigating Control of a Reusable Rocket Engine: Part I - Life Prediction of the Main Thrust Chamber Wall and Part II - Formulation of an Optimal Policy and Simulation, ASME Journal of Dynamic Systems, Measurement and Control, Vol. 118, No. 3, pp. 401-408, September 1996.
A. Ray and S. Phoha. Research Problems in Computer Networking for Manufacturing Systems, Progress in Robotics and Intelligent Systems, Volume 2, ABLEX Publishing Corporation, Norwood, NJ, eds. C.Y. Ho and G.W. Zobrist, pp. 196-213, 1996.
P. Kallappa, M. Holmes, and A. Ray, Damage-Mitigating Control of Aging Power Plants for Life Extension and Performance Enhancement, IFAC96, San Francisco, CA, July 1996.
C-K. Weng and A. Ray, Robust Wide Range Control of Power Plants," IFAC96, San Francisco, CA, July 1996.
O. Kaufman and A. Ray, Robust MIMO H2, H and l1 Controller Design for an Advanced Aircraft, IFAC96, San Francisco, CA, July 1996.
A. Ray and S. Tangirala, A Nonlinear Stochastic Model of Fatigue Crack Length for On-Line Damage Sensing, IEEE Decision and Control Conference, Kobe, Japan, December 1996.
E. Yaz and A. Ray, Linear Unbiased State Estimation for Random Delays with Sensor Delay, IEEE Decision and Control Conference, Kobe, Japan, December 1996.
N-C. Tsai and A. Ray, Stochastic Optimal Control under Randomly Varying Delays, IEEE Decision and Control Conference, Kobe, Japan, December 1996.
M. Lele, A. Ray, and P.T. Kallappa, Life Extension of Superheater Tubes in Fossil Power Plants, ISA 96 POWID Conference, Chicago, IL, October 1996.
Dai, X., A. Ray, M. Holmes, and S. Tangirala, Life Extending Control of a Reusable Rocket Engine, American Control Conference, Seattle, WA (June 1995).
Garcia, H.E. and A. Ray, State-Space Supervision of Reconfigurable Discrete-Event Systems, IEEE Decision and Control Conference, New Orleans, Louisiana (December 1995).
Garcia, H.E., A. Ray, and R.M. Edwards, Implementation of a Reconfigurable Fault-Tolerant Hybrid Supervisory System, IEEE Transactions on Control Systems Technology, vol. 3, n. 2, pp.157-170 (June 1995).
Lee, S. and A. Ray, Performance Management of Manufacturing System Networks, International Journal of Flexible Manufacturing, vol. 7, n. 1, pp. 47-71 (March 1995).
Li, C-J. and A. Ray, Neural Network Representation of Fatigue Damage Dynamics, American Control Conference, Seattle, WA (June 1995).
Li, C-J. and A. Ray, Neural Network Representation of Fatigue Damage Dynamics, SMART Materials and Structures, vol. 4, n. 2, pp. 126-133 (June 1995).
Lorenzo, C.F., W.C. Merrill, J.L. Musgrave and A. Ray, "Controls Concepts for Next Generation Reusable Rocket Engines." American Control Conference, Seattle, WA (June 1995).
Ray, A. and C-K. Weng, Integrated Prognostics, Maintenance and Life Extending Control of Power Plants, ISA POWID/EPRI Symposium, La Jolla, CA (June 1995).
Ray, A., S. Tangirala, and J.C. Newman, Stochastic Modeling of Fatigue Damage Dynamics for Prognostics and Risk Analysis, American Control Conference, Seattle, WA (June 1995).
Tangirala, S., A. Ray, and M. Carpino, Damage Mitigating Control of Mechanical Systems: Experimental Verification of the Concept, American Control Conference Seattle, WA (June 1995).
Tangirala, S., A. Ray, and M. Carpino, Damage Mitigating Control of Mechanical Systems: Experimental Verification of the Concept, SMART Materials and Structures, vol. 4, n. 2, pp. 139-146 (June 1995).
Wu, M-K. and A.Ray, Damage-Mitigating Control of Mechanical Systems for Structural Durability and High Performance, ASME Journal of Engineering for Gas Turbines and Power, vol. 117, n .2, pp. 307-313 (April 1995).
Yaz, E. and A. Ray, Grammian Assignment for Stochastic Parameter Systems and Their Stabilization under Randomly Varying Delays, Optimal Control Applications and Methods, vol. 16, n. 4, pp. 263-272 (September 1995).
Dai, X. and A. Ray, "Damage-Mitigating Control of a Reusable Rocket Engine: Part II - Formulation of an Optimal Policy." ASME Winter Annual Meeting Chiacago, IL (November 1994).
Garcia, H.E., A. Ray, and R.M. Edwards, "Implementation of a Reconfigurable Fault-Tolerant Hybrid Supervisory System." IEEE Decision and Control Conference Orlando, Florida (December 1994).
Luck, R. and A. Ray, "A Fixed Memory Filter for Real-Time Estimation of Noise-Corrupted Signals," AIAA Journal of Guidance, Control, and Dynamics vol. 17, n. 3, pp. 231-234 (May/June 1994).
Luck, R. and A. Ray, "Experimental Verification of a Delay Compensation Algorithm for Integrated Communication and Control Systems," International Journal of Control vol. 59, n. 6, pp. 1357-1372 (June 1994).
Phoha, S., S. Sircar, A. Ray, and I. Mayak, "Discrete-Event Control of Combat Dynamics in the C2 Setting." American Control Conference Baltimore, MD (June-July 1994).
Ray, A, "Output Feedback Control under Randomly Varying Distributed Delays," Journal of Guidance, Control, and Dynamics vol. 17, n. 4, pp. 701-711 (July/August 1994).
Ray, A. and M-K. Wu, "Fatigue Damage Control of Mechanical Systems," SMART Materials and Structures vol. 3, n. 1, pp. 47-58 (March 1994).
Ray, A., M-K. Wu, M. Carpino, and C.F. Lorenzo, "Damage-Mitigating Control of Mechanical systems: Part I - Conceptual Development and Model Formulation," ASME Journal of Dynamic Systems, Measurement and Control vol. 116, no. 3, pp. 437-447 (September 1994).
Ray, A., M-K. Wu, M. Carpino, and C.F. Lorenzo, "Damage-Mitigating Control of Mechanical systems: Part II - Formulation of an Optimal Control Policy and Simulation," ASME Journal of Dynamic Systems, Measurement and Control vol. 116, no. 3, pp. 448-455 (September 1994).
Ray, A., X. Dai, M. Carpino, and C.F. Lorenzo, "Damage-Mitigating Control - An Interdisciplinary Thrust between Controls and Material Science." American Control Conference Baltimore, MD (June-July 1994).
Ray, A., X. Dai, M. Carpino, and C.F. Lorenzo, "Damage-Mitigating Control of Rocket Engines for Structural Durability and High Performance." NASA Conference on Advanced Earth-to-Orbit Technology Huntsville, AL (May 1994).
Ray, A., X. Dai, M-K. Wu., M. Carpino, and C.F. Lorenzo, "Damage-Mitigating Control of a Reusable Rocket Engine," AIAA Journal of Propulsion and Power vol. 10, n. 2, pp. 225-234 (March-April 1994).
Weng, C-K., R.M. Edwards, and A. Ray, "Automation for Efficient and Safe Large Power Changes in Nuclear Power Plants," Trans. Am. Nuc. Soc. vol. 70, pp. 324-325 (June 1994).
Weng, C-K., R.M. Edwards, and A. Ray, "Feedforward-Feedback Control by Nonlinear Programming and Structured Singular Value Approach," Trans. Am. Nuc. Soc. vol. 71, pp. 365-366 (November 1994).
Weng, C-K., R.M. Edwards, and A. Ray, "Wide Range Robust Control of Nuclear Reactors Using the Feedforward-Feedback Concept," Nuclear Science and Engineering vol. 117, n. 3, pp. 177-185 (July 1994).
Yukish, M., E. Peluso, S. Phoha, S. Sircar, J. Licari, and A. Ray, "Limits of Control in Designing Distributed C2 Experiments under Imperfect Communications," IEEE Military Comm. Conference Fort Monmouth, NJ (July 1994).
Yaz, E. and A. Ray, "Grammian Assignment for Stochastic Parameter Systems and Their Stabilization under Randomly Varying Delays." IEEE Decision and Control Conference Orlando, Florida (December 1994).
A. Ray, 1994, Computer Networking for Manufacturing Systems, Progress in Robotics and Intelligent Systems, Volume 1, ABLEX Publishing Corporation, Norwood, NJ, eds. C.Y. Ho and G.W. Zobrist, Chapter 3, pp. 78-105.
Lee, S., and A. Ray, "Performance Management of Multi-Access Communication Networks." IEEE Journal of Selected Areas in Communications (November/December 1993).
Nayak, N. and A. Ray, Intelligent Seam Tracking for Robotic Welding, Springer Verlag, London (1993).
Ray, A. and J.H. Shen, "Control of Output Feedback Systems under Randomly Varying Distributed Delays." American Control Conference San Francisco, CA (June 1993).
Ray, A., L.W. Liou and J.H. Shen, "State Estimation Using Randomly Delayed Measurements." ASME Journal of Dynamic Systems, Measurement and Control pp. 19-26 (March 1993).
Ray, A., M.K. Wu, M. Carpino and C.F. Lorenzo, "Damage-Mitigating Control of Mechanical systems: Part I - Conceptual Development and Model Formulation." American Control Conference San Francisco, CA (June 1993).
Ray, A., M.K. Wu, M. Carpino and C.F. Lorenzo, "Damage-Mitigating Control of Mechanical systems: Part II - Formulation of an Optimal Control Policy and Simulation." American Control Conference San Francisco, CA (June 1993).
Ray, A., M.K. Wu, M. Carpino and C.F. Lorenzo, "Intelligent Control of Mechanical Systems for Structural Durability and High Performance." ASME Winter Annual Meeting New Orleans, LA (November-December 1993).
Shen, J.H., and A. Ray, "Extended Discrete-Time LTR Synthesis of Delayed Control Systems." Automatica pp. 431-438 (March 1993).
Ayyagari, A. and A. Ray, "A Fiber-Optic-Based Protocol for Manufacturing System Networks: Part II-Statistical Analysis." ASME Journal of Dynamic Systems, Measurement and Control pp. 121-131 (March 1992).
Ayyagari, A., and A. Ray, "A Fiber Optic Network Protocol for Computer Integrated Manufacturing." ASME Journal of Engineering for Industry pp. 345-351 (August 1992).
Edwards, R.M., J.A. Turso, K.Y. Lee, H.E. Garcia and A. Ray, "The Penn State Intelligent Distributed Control Laboratory." IEEE Transactions on Energy Conversion vol. 7, pp. 478-482 (September 1992).
Edwards, R.M., K.W. Lee and A. Ray, "Multilayer Robust Control for Safety Enhancement of Reactor Operations." Nuclear Technology vol. 98, pp. 137-148 (May 1992).
Luck, R. and A. Ray, "A Fixed Memory Filter for Real-Time Estimation of Noise-Corrupted Signals." ASME Winter Annual Meeting Anaheim, CA, ASME Paper No. 92-WA/DSC-9 (November 1992).
Luck, R., A. Ray and Y. Halevi, "Observability under Recuurent Loss of Outputs." AIAA Journal of Guidance, Control, and Dynamics pp. 284-287 (January-February 1992).
Ray, A. and J.H. Shen, "Linear Quadratic Gaussian Control under Randomly Varying Distributed Delays." ASME Winter Annual Meeting Anaheim, CA, ASME Paper No. 92-WA/DSC-14 (November 1992).
Ray,A., L.W. Liou, and N-C. Tsai, "Extended Linear Quadratic Gaussian Control under Randomly Varying Distributed Delays." American Control Conference Chicago, IL (June 1992).
Ray, A., M.K. Wu, M. Carpino, and C. Lorenzo, "Damage-Mitigating Control of Aerospace Systems for High Performance and Extended Life." American Control Conference Chicago, IL (June 1992).
Ray, A., M.K. Wu, M. Carpino, and C.F. Lorenzo, "Fatigue Damage Control of Aerospace Systems for High Performance and Extended Life." Intelligent Control Systems, ASME JBook No. DSC-Vol.45 (1992).
Shen, J.H., and A. Ray, "Discrete-Time LTR with Induced Delays." Optimal Control Applications & Methods vol. 13, n. 3, pp. 255-263 (July-September 1992).
Shen, J.H. and A. Ray, "Extended Discrete-Time LTR Synthesis of Delayed Control Systems." American Control Conference Chicago, IL (June 1992).
Shen, J.H., L.W. Liou, S. Levine, A. Ray and M. Detamore, "An Expert System for Maintenance Management of A Boiling Water Reactor Power Plant." Trans. American Nuc. Soc. vol. 65, pp. 380-381 (June 1992).
R. Luck and A. Ray, 1991, Failure Detection and Isolation of Ultrasonic Ranging Sensors for Robotic Applications, IEEE Trans. on Systems, Man and Cybernetics, Vol. 21, No. 1, pp. 221-227.
A. Ray and R. Luck, 1991, Signal Validation in Multiply-Redundant Systems, IEEE Control Systems Magazine, Vol. 11, No. 2, pp. 44-49.
R.M. Edwards, K-W. Lee and A. Ray, 1991, Multilayer Robust Control for Safety Enhancement of Reactor Operations, Trans. American Nuclear Society, Vol. 63, pp. 402-403.
S. Nann, A. Ray and S. Kumara, 1991, An Automated Decision Support System for Control of Real-Time Processes, International Journal of Intelligent Systems, Vol. 6, pp. 739-758.
L-W. Liou and A. Ray, 1991, A Stochastic Regulator for Integrated Communication and Control Systems: Part I -- Formulation of Control Law, ASME Journal of Dynamic Systems, Measurement and Control, Vol. 113, No. 4, pp. 604-611.
L-W. Liou and A. Ray, 1991, A Stochastic Regulator for Integrated Communication and Control Systems: Part II -- Numerical Analysis and Simulation, ASME Journal of Dynamic Systems, Measurement and Control, Vol. 113, No. 4, pp. 612-619.
R. Yu, J.J. Metzner and A. Ray, 1991, Twin-Bus-Control (TBC) Protocol for Fiber-Optic-Based Networks, Computer Communications, Vol. 14, No. 10, pp. 598-60.
R.M. Edwards and A. Ray, 1990, Concept of A Computer Network Architecture for Complete Automation of Nuclear Power Plants, Trans. American. Nuclear Society, Vol. 61.
Y. Halevi and A. Ray, 1990, Analysis of Integrated Communication and Control System Networks, ASME Journal of Dynamic Systems, Measurement and Control, Vol. 113, No. 3, pp. 365-371.
R. Luck and A. Ray, 1990, An Observer-Based Compensator for Distributed Delays, Automatica, Vol. 26, No. 5, pp. 903-908.
A. Ray, 1990, Multi-level Hypotheses Testing for Signal Validation in Continuous-Time Processes, ASME Journal of Dynamic Systems, Measurement and Control, Vol. 112, No. 4, pp. 787-790.
L-W. Liou and A. Ray, 1990, On Modeling of Integrated Communication and Control Systems, ASME Journal of Dynamic Systems, Measurement and Control, Vol. 112, No. 4, pp. 790-79.
L-W. Liou and A. Ray, 1990, Integrated Communication and Control Systems: Part III -- Non-Identical Sensor and Controller Sampling, ASME Journal of Dynamic Systems, Measurement and Control, Vol. 112, No. 3, pp. 357-364.
A. Ray and S. Phoha, 1989, Research Directions in Computer Networking for Manufacturing Systems, ASME Journal of Engineering for Industry, Vol. 111, No. 2, pp. 109-115.
A. Ray, 1989, Sequential Testing for Fault Detection in Multiply-Redundant Systems, ASME Journal of Dynamic Systems, Measurement and Control, Vol. 111, No. 2, pp. 329-332.
R.M. Edwards, A. Ray, M.A. Schultz and E.S. Kenney, 1989, A Concept of Integrated Control for Nuclear Power Plants, Trans. American. Nuclear Society, Vol. 59, pp. 290-291.
A.N. Vavreck, N. Nayak, E.D. Bushway and A. Ray, 1989, An Adaptive Seam Tracker for Welding Heavy-Section Aluminum, IEEE Trans. on Industry Applications, Vol. 25, No. 4, pp. 658-66.
D.R. Thompson, A. Ray and S.R.T. Kumara, 1988, A Hierarchically Structured Knowledge-based System for Welding Automation and control, ASME Journal of Engineering for Industry, Vol. 110, No. 1, pp. 71-76.
A. Ray, 1988, Distributed Data Communication Networks for Real-Time Process Control, Chemical Engineering Communications, Vol. 65, pp. 139-154.
A. Ray and S. Phoha, 1988, A Service Access Procedure (SAP) for a Transport Layer Protocol, Telematics and Informatics, Vol.5, No. 1, pp. 65-73.
A. Ray, 1988, Networking for Computer-Integrated Manufacturing, IEEE Network Magazine: Special Issue on Communications for Manufacturing, Vol. 2, No. 3, pp. 40-47.
A. Ray and M. Desai, 1988, Fault Detection Using a Linear Algebraic Approach, Linear Algebra in Signals, Systems and Control, SIAM Publication, Philadelphia, ed. B. N. Datta et al., pp. 627-641.
H.E. Watson and A. Ray, 1988, Laser-based Robotics for Automation and Precision Measurements, CIM Review, Vol. 4, No. 4, pp. 40-46.
A. Ray, 1988, Network Access Protocols for Real-time Distributed Control Systems, IEEE Trans. on Industry Applications, Vol. 24, No. 5, pp. 897-904.
H.P. Polenta, A. Ray and J.A. Bernard, 1988, Microcomputer-Based Fault Detection Using Redundant Sensors, IEEE Trans. on Industry Applications, Vol. 24, No. 5, pp. 905-912.
Y. Halevi and A. Ray, 1988, Integrated Communication and Control Systems: Part I -- Analysis, ASME Journal of Dynamic Systems, Measurement and Control, Vol. 110, No. 4, pp. 367-373.
A. Ray and Y. Halevi, 1988, Integrated Communication and Control Systems: Part II -- Design Considerations, ASME Journal of Dynamic Systems, Measurement and Control, Vol. 110, No. 4, pp. 374-38.
N. Nayak, A. Ray and A.N. Vavreck, 1987, An Adaptive Real-Time Intelligent Seam Tracking System, SME Journal of Manufacturing Systems, Vol. 6, No. 3, pp. 241-245.
A. Ray, 1987, Performance Analysis of Medium Access Control Protocols for Distributed Digital Avionics, ASME Journal of Dynamic Systems, Measurement and Control, Vol. 109, No. 4, pp. 370-377.
D.D. Lanning, J.A. Bernard, J.H. Hopps and A. Ray, 1985, MITR-II: Integrated Fault-tolerant Systems -- Implementation and Experiments, Trans. American. Nuclear Society, Vol. 49, pp. 377-378.
J.A. Bernard, D.D. Lanning and A. Ray, 1985, The Nuclear Industry and Digital Control: An Unrealized Opportunity, InTech, pp. 61-64.
A. Ray, 1985, A Microcomputer-based Fault-tolerant Control System for Industrial Applications, IEEE Trans. on Industry Applications, Vol. IA-21, No. 5, pp. 1276-1283.
A. Ray and M. Desai, 1984, A Calibration and Estimation Filter for Multiply Redundant Measurement Systems, ASME Journal of Dynamic Systems, Measurement and Control, Vol. 106, No. 2, pp. 149-156.
A. Ray, J.A. Bernard and D.D. Lanning, 1983, Computer Control of Power in a Nuclear Reactor, IEEE Trans. on Nuclear Science, Vol. NS-30, No. 1, pp. 820-824.
J.C. Deckert, J.L. Fisher, D.B. Laning and A. Ray, 1983, Signal Validation for Nuclear Power Plants, ASME Journal of Dynamic Systems, Measurement and Control, Vol. 105, No. 1, pp. 24-29.
A. Ray, M. Desai and J.J. Deyst, 1983, On-line Fault Diagnosis in a Nuclear Reactor by Sequential Testing, IEEE Trans. on Nuclear Science, Vol. NS-30, No. 3, pp. 1850-1855
A. Ray, R. Geiger, M. Desai and J. Deyst, 1983, Analytic Redundancy for On-line Fault Diagnosis in a Nuclear Reactor, AIAA Journal of Energy, Vol. 7, No. 4, pp. 367-373
J. Fischer, A. Ray, R. Ornedo, E. Kujawski and S.M. Divakaruni, 1983, Signal Validation for a BWR Suppression Pool, Trans. American. Nuclear Society, Vol. 44, pp. 50-52.
J.A. Bernard, A. Ray and D.D. Lanning, 1983, Digital Computer Control of a Nuclear Reactor, Trans. American. Nuclear Society, Vol. 44, pp. 64-66.
J.A. Bernard, D.D. Lanning, K. Kwok and A. Ray, 1983, Demonstration of Decision Analysis Techniques for Steady-state Reactor Control, Trans. American. Nuclear Society, Vol. 45, pp. 661-66.
A. Ray, 1981, Nonlinear Dynamic Model of a Solar Steam Generator, Solar Energy, Vol. 26, pp. 297-30.
A. Ray, 1980, Automated Finishing of Steel Castings, The Industrial Robot, pp. 172-174.
A. Ray, 1980, Dynamic Modelling of Once-through Steam Generator for Solar Applications, Applied Mathematical Modelling, Vol. 4, pp. 417-42.
A. Ray and D.A. Berkowitz, 1979, Design of a Practical Controller for a Commercial Scale Fossil Power Plant, ASME Journal of Dynamic Systems, Measurement and Control, Vol. 101, No. 4, pp. 284-289.
A. Ray, 1978, On the Application of Modern Control to Power PlantsComment on "Articles on Power Plant Control" by R.A. Smoak in ASME Journal of Dynamic Systems, Measurement and Control, Vol. 100, No. 1, p. 94.
A. Ray, 1978, Identification of an Industrial Process by Numerical Inversion of the Laplace Transform, IEEE Trans. on Industry Applications, Vol. IA-14, No. 2, pp. 111-115.
A. Ray and H.F. Bowman, 1978, Digital Simulation of a High Temperature Gas-Cooled Reactor (HTGR) Steam Power Plant, IEEE Trans. on Nuclear Science, Vol. NS-25, No. 4, pp. 1068-1077.
A. Ray, D.A. Berkowitz and V.H. Sumaria, 1978, Modeling and Simulation of a Multicell Fluidized Bed Steam Generator, AIAA Journal of Energy, Vol. 2, No. 5, pp. 269-278.
A. Ray, 1978, Approximation of Fundamental Equations for Finite-Dimensional Modeling of Thermo-fluid Processes, ASME Journal of Engineering for Power, Vol. 100, No. 4, pp. 722-723.
A. Ray, 1978, Modeling and Simulation of a Relief Valve Simulation, pp. 167-172.
A. Ray and H.F. Bowman, 1976, A Nonlinear Dynamic Model of a Once-through Steam Generator, ASME Journal of Dynamic Systems, Measurement and Control, Vol. 98, No. 3, pp. 322-329.