Source: https://www.mne.psu.edu/Ray/publications.html
Timestamp: 2019-04-25 09:50:28+00:00

Document:
A. Ray and H.F. Bowman, "A Nonlinear Dynamic Model of a Once-through Steam Generator," Journal of Dynamic Systems, Measurement and Control -Transactions of the ASME, Vol. 98, No. 3, September 1976, pp. 322-329.
Y. Lin, R.S. Nielsen and A. Ray, "Fuel Controller Design in a Once-through Subcritical Steam Generator," Journal of Engineering for Power -Transactions of the ASME, Vol. 100, No. 1, January 1978, pp. 189-196.
A. Ray, "On the Application of Modern Control to Power Plants," Comment on "Articles on Power Plant Control" by R.A. Smoak in Journal of Dynamic Systems, Measurement and Control -Transactions of the ASME, Vol. 100, No. 1, March 1978, p. 94.
A. Ray, "Identification of an Industrial Process by Numerical Inversion of the Laplace Transform," IEEE Trans. on Industry Applications, Vol. IA-14, No. 2, March-April 1978, pp. 111-115.
A. Ray and H.F. Bowman, "Digital Simulation of a High Temperature Gas-Cooled Reactor (HTGR) Steam Power Plant," IEEE Trans. on Nuclear Science, Vol. NS-25, No. 4, August 1978, pp. 1068-1077.
A. Ray, D.A. Berkowitz and V.H. Sumaria, "Modeling and Simulation of a Multicell Fluidized Bed Steam Generator," AIAA Journal of Energy, Vol. 2, No. 5, September-October 1978, pp. 269-278.
A. Ray, "Approximation of Fundamental Equations for Finite-Dimensional Modeling of Thermo-fluid Processes," Journal of Engineering for Power -Transactions of the ASME, Vol. 100, No. 4, October 1978, pp. 722-723.
A. Ray, "Modeling and Simulation of a Relief Valve," Simulation, November 1978, pp. 167-172.
A. Ray, "Modeling of an HTGR Steam Power Plant," Applied Mathematical Modelling, Vol. 3, October 1979, pp. 391-394.
A. Ray and D.A. Berkowitz, "Design of a Practical Controller for a Commercial Scale Fossil Power Plant," Journal of Dynamic Systems, Measurement and Control -Transactions of the ASME, Vol. 101, No. 4, December 1979, pp. 284-289.
A. Ray, D.A. Berkowitz and V.H. Sumaria, "Nonlinear Dynamic Model of a Fluidized Bed Steam Generation System", Journal of Engineering for Power -Transactions of the ASME, Vol. 102, No. 1, January 1980, pp. 202-208.
A. Ray, "Dynamic Modelling of Power Plant Turbines for Controller Design," Applied Mathematical Modelling, Vol. 4, April 1980, pp. 109-112.
A. Ray, "Automated Finishing of Steel Castings," The Industrial Robot, September 1980, pp. 172-174.
A. Ray, "Dynamic Modelling of Once-through Steam Generator for Solar Applications," Applied Mathematical Modelling, Vol. 4, December 1980, pp. 417-423.
A. Ray, "Updating the Control Systems of a Trallfa Industrial Robot," The Industrial Robot, September 1981, pp. 166-170.
A. Ray, "Nonlinear Dynamic Model of a Solar Steam Generator," Solar Energy, Vol. 26, 1981, pp. 297-306.
A. Ray, M. Desai and J.J. Deyst, "Fault Detection and Isolation in a Nuclear Reactor," AIAA Journal of Energy, Vol. 7, No. 1, January-February 1983, pp. 79-85.
A. Ray, J.A. Bernard and D.D. Lanning, "Computer Control of Power in a Nuclear Reactor," IEEE Trans. on Nuclear Science, Vol. NS-30, No. 1, February 1983, pp. 820-824.
J.C. Deckert, J.L. Fisher, D.B. Laning and A. Ray, "Signal Validation for Nuclear Power Plants," Journal of Dynamic Systems, Measurement and Control -Transactions of the ASME, Vol. 105, No. 1, March 1983, pp. 24-29.
A. Ray, M. Desai and J.J. Deyst, "On-line Fault Diagnosis in a Nuclear Reactor by Sequential Testing," IEEE Trans. on Nuclear Science, Vol. NS-30, No. 3, June 1983, pp. 1850-1855.
A. Ray, R. Geiger, M. Desai and J. Deyst, "Analytic Redundancy for On-line Fault Diagnosis in a Nuclear Reactor," AIAA Journalof Energy,Vol. 7, No. 4, July-August 1983, pp.367-373.
J.Fischer, A. Ray, R. Ornedo, E. Kujawski and S.M.Divakaruni, "Signal Validation for a BWR Suppression Pool," Trans. Am. Nuc. Soc., Vol.44,August 1983, pp. 50-52.
J.A.Bernard, A. Ray and D.D. Lanning, "Digital Computer Control of a Nuclear Reactor," Trans. Am. Nuc. Soc.,Vol.44, August 1983, pp. 64-66.
J.A.Bernard, D.D. Lanning, K. Kwok and A. Ray,"Demonstration of Decision Analysis Techniques for Steady-state Reactor Control," Trans. Am. Nuc. Soc., Vol.45, October-November 1983, pp.661-662.
J.A. Bernard, A. Ray and D.D. Lanning, "Digital Computer Control of Power Transients in a Nuclear Reactor," IEEE Trans.on Nuclear Science, Vol. NS-31, No. 1, February 1984, pp. 701-705.
A. Ray and M. Desai, "A Calibration and Estimation Filter for Multiply Redundant Measurement Systems," Journal of Dynamic Systems, Measurement and Control -Transactions of the ASME, Vol. 106, No. 2, June 1984, pp.149-156.
J.A. Bernard, D.D. Lanning and A. Ray, "Use of Reactivity Constraints for Automatic Control of Reactor Power," IEEE Trans. on Nuclear Science, Vol. NS-32, No. 1, February 1985, pp. 1036-1040.
D.D. Lanning, J.A. Bernard, J.H. Hopps and A. Ray,"MITR-II: Integrated Fault-tolerant Systems - Implementation and Experiments," Trans. Am. Nuc. Soc., Vol. 49, June1985, pp. 377-378.
J.A. Bernard, D.D. Lanning and A. Ray, "The Nuclear Industry and Digital Control: An Unrealized Opportunity," InTech, September 1985, pp. 61-64.
A. Ray, "A Microcomputer-based Fault-tolerant Control System for Industrial Applications," IEEE Trans. on Industry Applications, Vol. IA-21, No. 5, September-October 1985, pp. 1276-1283.
A. Ray and M. Desai, "A Redundancy Management Procedure for Fault Detection and Isolation," Journal of Dynamic Systems, Measurement and Control -Transactions of the ASME, Vol. 108, No. 3, September 1986, pp. 248-254.
A. Abo-Ismail and A. Ray, "Effects of Nonlinearities on the Transient Response of an Electrohydraulic Position Control Servo," Journal of Fluid Control, Vol.17, No. 3, April 1987, pp. 59-79.
N. Nayak, A. Ray and A.N. Vavreck, "An Adaptive Real-Time Intelligent Seam Tracking System," SME Journal of Manufacturing Systems, Vol. 6, No. 3, September 1987, pp. 241-245.
A. Ray, "Performance Analysis of Medium Access Control Protocols for Distributed Digital Avionics," Journal of Dynamic Systems, Measurement and Control -Transactions of the ASME, Vol. 109, No. 4, December 1987, pp. 370-377.
A. Ray, S.H. Hong, S. Lee and P. Egbelu, "Discrete-event Continuous-time Simulation of Distributed Digital Control Systems," Trans. Society of Computer Simulation, Vol. 5, No. 1, January 1988, pp .71-85.
D.R. Thompson, A. Ray and S.R.T. Kumara, "A Hierarchically Structured Knowledge-based System for Welding Automation and Control," Journal of Engineering for Industry -Transactions of the ASME, Vol. 110, No. 1, February 1988, pp. 71-76.
A. Ray, "Distributed Data Communication Networks for Real-Time Process Control," Chemical Engineering Communications, Vol. 65, March/April 1988, pp. 139-154.
A. Ray and S. Phoha, "A Service Access Procedure (SAP) for a Transport Layer Protocol," Telematics and Informatics, Vol.5, No. 1, April 1988, pp. 65-73.
A. Ray, "Networking for Computer-Integrated Manufacturing," IEEE Network Magazine: Special Issue on Communications for Manufacturing, Vol. 2, No. 3, May 1988, pp. 40-47.
A. Ray and M. Desai, "Fault Detection Using a Linear Algebraic Approach," Linear Algebra in Signals, Systems and Control, SIAM Publication, Philadelphia, ed. B. N. Datta et al., May 1988, pp.627-641.
H.E. Watson and A. Ray, "Laser-based Robotics for Automation and Precision Measurements," CIM Review, Vol. 4, No. 4, Summer 1988, pp. 40-46.
A. Ray, "Network Access Protocols for Real-time Distributed Control Systems," IEEE Trans. on Industry Applications, Vol. 24, No. 5,September-October 1988, pp. 897-904.
H.P. Polenta, A. Ray and J.A. Bernard, "Microcomputer-Based Fault Detection Using Redundant Sensors," IEEE Trans. on Industry Applications, Vol. 24, No. 5, September-October 1988, pp. 905-912.
Y. Halevi and A. Ray, "Integrated Communication and Control Systems: Part I -- Analysis," Journal of Dynamic Systems, Measurement and Control -Transactions of the ASME, Vol. 110, No. 4, December 1988, pp. 367-373.
A. Ray and Y. Halevi, "Integrated Communication and Control Systems: Part II -- Design Considerations," Journal of Dynamic Systems, Measurement and Control -Transactions of the ASME, Vol. 110, No. 4, December 1988, pp.374-381.
L-W. Liou and A. Ray, "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, September 1990, pp. 357-364.
A. Ray, "Introduction to Networking for Integrated Control Systems," IEEE Control System Magazine, Vol. 9, No. 1, January 1989, pp. 76-79.
A. Ray and S. Phoha, "Research Directions in Computer Networking for Manufacturing Systems," Journal of Engineering for Industry -Transactions of the ASME, Vol. 111, No. 2, May 1989, pp. 109-115.
A. Ray, "Sequential Testing for Fault Detection in Multiply-Redundant Systems," Journal of Dynamic Systems, Measurement and Control -Transactions of the ASME, Vol. 111, No.2, June 1989, pp. 329-332.
R.M. Edwards, A. Ray, M.A. Schultz and E.S. Kenney, "A Concept of Integrated Control for Nuclear Power Plants," Trans. Am. Nuc. Soc., Vol. 59, June 1989, pp. 290-291.
A.N. Vavreck, N. Nayak, E.D. Bushway and A. Ray, "An Adaptive Seam Tracker for Welding Heavy-Section Aluminum," IEEE Trans. on Industry Applications, Vol. 25, No. 4, July/August 1989, pp. 658-663.
S.H.Hong and A. Ray, "Analysis and Simulation of the Priority Scheme in Token Bus Protocols," Computer Communications, Vol.13, No. 3, April 1990, pp. 157-164.
R.M. Edwards and A. Ray, "Concept of A Computer Network Architecture for Complete Automation of Nuclear Power Plants," Trans. Am. Nuc. Soc., Vol. 61, June 1990, pp. 307-309.
Y. Halevi and A. Ray, "Performance Analysis of Integrated Communicationand Control System Networks," Journal of Dynamic Systems, Measurement and Control -Transactions of the ASME, Vol. 113, No. 3, September 1990, pp. 365-371.
R. Luck and A. Ray, "An Observer-Based Compensator for Distributed Delays," Automatica, Vol. 26, No. 5, September 1990, pp. 903-908.
A. Ray, "Multi-level Hypotheses Testing for Signal Validation in Continuous-Time Processes," Journal of Dynamic Systems, Measurement and Control -Transactions of the ASME, Vol. 112, No. 4, December 1990, pp.787-790.
L-W. Liou and A. Ray, "On Modeling of Integrated Communication and Control Systems," Journal of Dynamic Systems, Measurement and Control -Transactions of the ASME, Vol. 112, No. 4, December 1990, pp. 790-794.
H.E. Garcia, A. Ray and R.M. Edwards, "Reconfigurable Control of Power Plants Using Learning Automata," IEEE Control System Magazine, Vol. 11, No. 1, January 1991, pp. 85-92.
R. Luck and A. Ray, "Failure Detection and Isolation of Ultrasonic Ranging Sensors for Robotic Applications," IEEE Trans. on Systems, Man and Cybernetics, Vol. 21, No. 1, January-February 1991, pp. 221-227.
A. Ray and R. Luck, "An Introduction to Sensor Signal Validation in Redundant Measurement Systems," IEEE Control System Magazine, Vol. 11, No. 2, February 1991, pp. 44-49.
R.M. Edwards, K-W. Lee and A. Ray, "Multilayer Robust Control for Safety Enhancement of Reactor Operations," Trans. Am. Nuc. Soc., Vol. 63, June 1991, pp. 402-403.
S. Nann, A. Ray and S. Kumara, "An Automated Decision Support System for Control of Real-Time Processes," International Journal of Intelligent Systems, Vol. 6, December 1991, pp. 739-758.
L-W. Liou and A. Ray, "A Stochastic Regulator for Integrated Communication and Control Systems: Part I - Formulation ofControl Law," Journal of Dynamic Systems, Measurement and Control -Transactions of the ASME, Vol. 113, No. 4, December 1991, pp. 604-611.
L-W. Liou and A. Ray, "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, December 1991, pp. 612-619.
R. Yu, J.J. Metzner and A. Ray, "Twin-Bus-Control (TBC) Protocol for Fiber-Optic-Based Networks," Computer Communications, Vol.14, No. 10, December 1991, pp. 598-607.
R. Luck, A. Ray and Y. Halevi, "Observability under Recurrent Loss of Outputs," AIAA Journal of Guidance, Control, and Dynamics, Vol. 15, No. 1, January-February 1992, pp. 284-287.
A. Ayyagari and A. Ray, "A Fiber-Optic-Based Protocol forManufacturingSystem Networks: Part I -- Conceptual Development andArchitecture," Journal of Dynamic Systems, Measurement and Control -Transactions of the ASME, Vol.114, No. 1, March 1992, pp. 113-120.
A. Ayyagari and A. Ray, "A Fiber-Optic-Based Protocol for Manufacturing System Networks: Part II -- Statistical Analysis," Journal of Dynamic Systems, Measurement and Control -Transactions of the ASME, Vol. 114, No. 1, March 1992, pp. 121-131.
R.M. Edwards, K.W. Lee and A. Ray, "Robust Optimal Control of Nuclear Reactors and Power Plants," Nuclear Technology, Vol. 98, May 1992, pp. 137-148.
J.H. Shen, L-W. Liou, S. Levine, A. Ray and M. Detamore, "Expert System for Maintenance Management of A Boiling Water Reactor Power Plant," Trans.Am.Nuc.Soc., Vol. 65, June 1992, pp. 380-381.
A. Ayyagari and A. Ray, "A Fiber Optic Network Protocol for Computer Integrated Manufacturing," Journal of Engineering for Industry -Transactions of the ASME, Vol. 114, No.3, August 1992, pp. 345-351.
R.M. Edwards, K.Y. Lee and A. Ray,"The Penn State Intelligent Distributed Control Laboratory," IEEE Transactions on Energy Conversion, Vol. 7, No. 3, September 1992, pp. 478-482.
J.H. Shen and A. Ray, "Extended Discrete-Time LTR Synthesis of Delayed Control Systems," Automatica, Vol. 29, No. 2, 1993, pp. 431-438.
A. Ray, L-W. Liou and J.H. Shen, "State Estimation Using Randomly Delayed Measurements," Journal of Dynamic Systems, Measurement and Control -Transactions of the ASME, Vol. 115, No. 1, March 1993, pp. 19-26.
A. Ayyagari and A. Ray, "Modelling and Analysis of a Data Communication Protocol for Integrated Control of Advanced Aircraft," Computer Communications, Vol. 16, No. 6, June 1993, pp. 350-365.
S. Lee and A. Ray, "Performance Management of Multi-Access Communication Networks," IEEE Journal of Selected Areas in Communications, Vol. 11, No. 9, December 1993, pp.1426-1437.
A. Ray and M-K. Wu, "Fatigue Damage Control of Mechanical Systems," SMART Materials and Structures, Vol. 3, No. 1, March 1994, pp. 47-58.
A. Ray, 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, No. 2, March-April 1994, pp. 225-234.
R. Luck and A. Ray, "A Fixed Memory Filter for Real-Time Estimation of Noise-Corrupted Signals," AIAA Journal of Guidance, Control, and Dynamics, Vol. 17, No.3, May/June 1994, pp. 231-234.
C-K. Weng, R.M. Edwards and A. Ray, "Automation for Efficient and Safe Large Power Changes in Nuclear Power Plants," Trans. Am. Nuc. Soc., Vol. 70, June 1994, pp. 324-325.
R. Luck and A. Ray, "Experimental Verification of a Delay Compensation Algorithm for Integrated Communication and Control Systems," International Journal of Control, Vol. 59, No. 6, June 1994, pp. 1357-1372.
C-K. Weng, R.M. Edwards and A. Ray, "Robust Wide-Range Control of Nuclear Reactors Using the Feedforward-Feedback Concept," Nuclear Science and Engineering, Vol. 117, No. 3, July 1994, pp.177-185.
A. Ray, "Output Feedback Control under Randomly Varying Distributed Delays," AIAA Journal of Guidance, Control, and Dynamics, Vol.17, No. 4, July/August 1994, pp. 701-711.
A. Ray, M-K. Wu, M. Carpino and C.F. Lorenzo,"Damage-Mitigating Control of Mechanical systems: Part I -- Conceptual Development and Model Formulation," Journal of Dynamic Systems, Measurement and Control -Transactions of the ASME, Vol. 116, No.3, September 1994, pp. 437-447.
A. Ray, 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," Journal of Dynamic Systems, Measurement and Control -Transactions of the ASME, Vol. 116, No. 3, September 1994, pp. 448-455.
C-K. Weng, M. Power, R.M. Edwards and A. Ray, "Feedforward-Feedback Control by Nonlinear Programming and Structured Singular Value Approach," Trans. Am. Nuc. Soc., Vol. 71, November 1994, pp. 365-366.
S. Lee and A. Ray, "Performance Management of Manufacturing System Networks," International Journal of Flexible Manufacturing, Vol.7, No. 1, March 1995, pp. 47-71.
M-K. Wu and A. Ray, "Damage-Mitigating Control of Mechanical Systems for Structural Durability and High Performance," Journal of Engineering for Gas Turbines and Power -Transactions of the ASME, Vol. 117, No.2, April 1995, pp. 307-313.
H.E. Garcia, A. Ray and R.M. Edwards, "Implementation of a Reconfigurable Fault-Tolerant Hybrid Supervisory System," IEEE Transactions on Control Systems Technology, Vol. 3, No. 2, June 1995, pp.157-170.
C-J. Li and A. Ray, "Neural Network Representation of Fatigue Damage Dynamics," SMART Materials and Structures, Vol. 4, No.2, June 1995, pp. 126-133.
S.Tangirala, A. Ray and M. Carpino, "Damage Mitigating Control of Mechanical Systems: Experimental Verification of the Concept," SMART Materials and Structures, Vol. 4, No. 2, June 1995, pp. 139-146.
E. Yaz and A. Ray, "Grammian Assignment for Stochastic Parameter Systems and Their Stabilization under Randomly Varying Delays," Optimal Control Applications and Methods, Vol. 16,.No. 4, September 1995, pp. 263-272.
X. Dai and A. Ray, "Life Prediction of the Thrust Chamber Wall of a Reusable Rocket Engine," AIAA Journal of Propulsion and Power, Vol. 11, No. 6, November-December 1995, pp. 1279-1287.
J.H. Shen, A. Ray and S.H. Levine, "A Decision Support System for Maintenance Management of a Boiling Water Reactor PowerPlant," Nuclear Safety, Vol. 37, No. 1, January-March 1996, pp. 1-11.
H.E. Garcia and A. Ray, "State-Space Supervisory Controlof Reconfigurable Discrete Event Systems," International Journal of Control, Vol. 63, No.4, April 1996, pp. 767-797.
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, May/June 1996, pp. 710-713.
C-K. Weng, A. Ray and X. Dai, "Modelling of Power Plant Dynamics and Uncertainties for Robust Control Synthesis," Applied Mathematical Modelling, Vol. 20, July 1996, pp. 501-512.
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, July 1996, pp. 443-451.
X. Dai and A. Ray, "Damage-Mitigating Control of a Reusable Rocket Engine: Part I -- Life Prediction of the Main Thrust Chamber Wall," Journal of Dynamic Systems, Measurement and Control -Transactions of the ASME, Vol. 118, No. 3, September 1996, pp. 401-408.
X. Dai and A. Ray, "Damage-Mitigating Control of a Reusable Rocket Engine: Part II -- Formulation of an Optimal Policy and Simulation," Journal of Dynamic Systems, Measurement and Control -Transactions of the ASME, Vol. 118, No. 3, September 1996, pp. 409-415.
C-K. Weng and A. Ray, "Robust Wide Range Control of Steam-Electric Power Plants," IEEE Trans. on Control Systems Technology, Vol. 5, No. 1, January 1997, pp. 74-88.
A. Ray and S. Tangirala, "A Nonlinear Stochastic Model of Fatigue Crack Dynamics," Probabilistic Engineering Mechanics, Vol. 12, No. 1, January 1997, pp. 33-40.
J.N. Rozak and A. Ray, "Robust Multivariable Control of Rotorcraft in forward flight," Journal of the American Helicopter Society, Vol. 42, No. 2, April 1997, pp. 149-160.
M. Holmes, S. Tangirala and A. Ray, "Life Extending Control of Reusable Rocket Engines," AIAA Journal of Guidance, Controland Dynamics, Vol. 20, No. 3, May-June 1997, pp. 621-623.
P. Kallappa, M. Holmes and A. Ray, "Life Extending Control of Fossil Power Plants for Structural Durability and High Performance," Automatica, Vol. 33, No. 6, June 1997, pp. 1101-1118.
N-C. Tsai and A. Ray, "Stochastic Optimal Control under Randomly Varying Delays," International Journal of Control, Vol. 68, No. 5, November 1997, pp. 1179-1202.
S. Tangirala, M. Holmes, A. Ray and M. Carpino,"Life-Extending Control of Mechanical Structures: Experimental Verification of the Concept," Automatica, Vol. 34, No. 1, January 1998, pp. 3-14.
A. Ray, S. Tangirala and S. Phoha, "Stochastic Modelling of Fatigue Crack Propagation," Applied Mathematical Modelling, Vol. 22, April 1998, pp. 197-204.
M. Holmes and A. Ray, "Fuzzy Damage Mitigating Control of Mechanical Structures," Journal of Dynamic Systems, Measurementand Control -Transactions of the ASME, Vol. 120, No. 2, June 1998, pp. 249-256.
E. Yaz and A. Ray, "Linear Unbiased State Estimation for Randomly Varying Sensor Delay," Applied Mathematics Letters, Vol. 11, No. 4, July 1998, pp. 27-32.
J.N. Rozak and A. Ray, " Robust Multivariable Control of Rotorcraft in forward flight: Impact of Bandwidth on Fatigue Life," Journal of the American Helicopter Society, Vol. 43, No. 3, July 1998, pp. 195-201.
R. Patankar, A. Ray and A. Lakhtakia, "A State-Space Model of Fatigue Crack Growth," International Journal of Fracture, Vol. 90, No.3, September 1998, pp. 235-249.
A. Ray and R. Patankar, "A Stochastic Model of Fatigue Crack Propagation under Variable-Amplitude Loading," Engineering Fracture Mechanics, Vol. 62, Nos. 4-5, March 1999, pp. 477-493.
N-C. Tsai and A. Ray, "Compesatability and Optimal Compensation under Randomly Varying Delays," International Journal of Control, Vol. 72, No. 9, May 1999, pp. 826-832.
A. Ray and S. Phoha, "Stochastic Modeling of Fatigue Crack Damage for Information-Based Maintenance," Annals of Operations Research, Vol. 91, September 1999, pp. 191-204.
R. Patankar and A. Ray, "Damage Mitigating Controller Design for Structural Durability," IEEE Trans. on Control Systems Technology, Vol. 7, No. 5, September 1999, pp. 606-612.
H. Zhang and A. Ray, "Robust Damage-Mitigating Control of Mechanical Structures: Experimental Validation on a Test Apparatus," Journal of Dynamic Systems, Measurement, and Control -Transactions of the ASME Vol. 121, No. 3, September 1999, pp. 377-385.
A. Ray, "Stochastic Modeling of Fatigue Crack Damage for Risk Analysis and Remaining Life Prediction," Journal of Dynamic Systems, Measurement, and Control -Transactions of the ASME, Vol. 121, No. 3, September 1999, pp. 386-393.
H. Zhang, A. Ray and S. Phoha, "Hybrid Life Extending Control of Mechanical Systems: Experimental Validation of the Concept," Automatica, Vol. 36, No. 1, January 2000, pp. 23-36.
P. Kallappa and A. Ray, "Fuzzy Wide-Range Control of Fossil Power Plants for Life extension and Robust Performance," Automatica, Vol. 36, No. 1, January 2000, pp. 69-82.
B-S. Hong, V. Yang and A. Ray, "Robust Feedback Control of Combustion Instability with Modeling Uncertainty," Combustion and Flame, Vol. 120, No. 1, January 2000, pp. 91-106.
R. Patankar and A. Ray, "State-Space Modeling of Fatigue Crack Growth in Ductile Alloys," Engineering Fracture Mechanics, Vol. 66, No. 2, May 2000, pp. 129-151.
H.Zhang, A. Ray and R. Patankar, "Damage-Mitigating Control with Overload Injection: Experimental Validation of the Concept," Journal of Dynamic Systems, Measurement, and Control -Transactions of the ASME, Vol. 122, No. 2, June 2000, pp. 336-342.
C.F. Lorenzo, M. Holmes and A. Ray, "Nonlinear LifeExtending Control of a Rocket Engine," AIAA Journal of Guidance, Control, and Dynamics, Vol. 23, No. 4, July/August 2000, pp. 759-762.
A. Ray and J. Caplin, "Life Extending Control of Aircraft: Trade-off between Flight Performance and Structural Durability," The Aeronautical Journal, Vol. 104, No. 1039, September 2000, pp.397-408.
S.J. Pinchak and A. Ray, "Pilot Safety Enhancement for On-board Ground Collision Avoidance Systems," Aircraft Engineering and Aerospace Technology, Vol. 72, No. 5, September/October 2000, pp. 422-429.
A. Ray and S. Phoha, "Calibration and Estimation of Redundant Signals," Automatica,Vol. 36, No. 9, October 2000, pp. 1525-1534.
M. Holmes and A. Ray, "Fuzzy Damage Mitigating Control of a Fossil Power Plant," IEEE Trans. on Control Systems Technology, Vol. 9, No. 1, January 2001, pp. 140-147.
B-S. Hong and A. Ray, "Observer-Embedded L2-Gain Control," Applied Mathematics Letters, Vol 14, No. 5, May 2001, pp. 563-569.
A. Ray, M. Holmes and C.F. Lorenzo, "Life Extending Controller Design for Reusable Rocket Engines," The Aeronautical Journal, Vol. 105, No. 1048, June 2001, pp. 315-322.
J. Caplin, A. Ray and S.M. Joshi, "Robust Damage-Mitigating Control of Aircraft for High Performance and Structural Durability," IEEE Trans. on Aerospace and Electronic Systems, Vol. 37, No. 3, July 2001, pp. 849-862.
C.F. Lorenzo, M. Holmes and A. Ray, "Nonlinear Control of a Reusable Rocket Engine for Life Extension," AIAA Journal of Propulsion and Power, Vol. 17, No. 5, September-October 2001, pp. 998-1004.
A. Ray and R. Patankar, "Fatigue Crack Growth under Variable-amplitude Loading: Part I -- Model Formulation in State-Space Setting," Applied Mathematical Modelling, Vol. 25, Issue 11, November 2001, pp. 979-994.
A. Ray and R. Patankar, "Fatigue Crack Growth under Variable-amplitude Loading: Part II - Code Development and Model Validation," Applied Mathematical Modelling, Vol. 25, Issue 11, November 2001, pp. 995-1013.
B.S. Hong, A. Ray and V. Yang, "Wide Range RobustControl of Combustion Instability," Combustion and Flame, Vol.128, No. 3, February 2002, pp. 242-258.
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.
C. Delfino, A. Ray, K.N. Ivanov and F-B. Cheung, "A New Concept for Early Detection of BWR Instabilities," Trans. Am. Nuc. Soc. (Trans AO), Vol. 88, June 2003, pp. 292-294.
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," Journal of Dynamic Systems, Measurement, and Control -Transactions of the ASME, 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.
J. Fu, A. Ray and C. M. Lagoa, "Unconstrained Optimal Controlof Regular Languages," Automatica, Vol. 40, No. 4, April 2004, pp. 639-646.
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.
X. Wang and A. Ray, "A Language Measure for Performance Quantification of Discrete Event Supervisory Control Systems," Bull. Cal. Math. Soc., Vol. 97, No. 1, 2005, pp. 59-68.
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.
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.
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.
N. Scafetta, A. Ray and B.J. West, "Correlation Regimes in Fluctuations of Fatigue Crack Growth," Physica A, Vol. 59, No. 3, 2006, pp. 1-23.
D.K. Tolani, M. Yasar, A. Ray and V. Yang, "Anomaly Detection in Aircraft Gas Turbine Engines," AIAA Journal of Aerospace Computing, Information, and Communication, Vol.3, No. 2, 2006, pp. 44-51.
D.K. Tolani, A. Ray and J.F. Horn, "Integrated Decision and Control of Human-Engineered Complex Systems," International Journal of General Systems, Vol. 35, No. 3, June 2006, pp. 275-294.
V. Rajagopalan and A. Ray, "Wavelet Space Partitioning for Symbolic Time Series Analysis," Chinese Physics Letters, Vol. 23, No. 7, July 2006, pp. 1951-1954.
S. Gupta, A. Ray and E. Keller, "Symbolic Time Series Analysis of Ultrasonic Signals for Fatigue Damage Monitoring in Polycrystalline Alloys," Measurement Science and Technology, Vo. 17, No. 7, July 2006, pp. 1963-1973.
A. Khatkhate, A. Ray, E.Keller, S. Gupta and S. Chin, "Symbolic Time Series Analysis for Anomaly Detection in Mechanical Systems," IEEE/ASME Trans. on Mechatronics, Vol. 11, No. 4, August 2006, pp. 439-447.
I. Chattopadhyay and A. Ray, "A Language Measure for Partially Observed Discrete Event Systems," International Journal of Control, Vol. 79, No. 9, September 2006, pp. 1074-1086.
S. Gupta, A. Khatkhate, A. Ray and E.Keller, "Identification of Statistical Patterns in Complex Systems via Symbolic Time Series Analysis," ISA Transactions, Vol. 45, No. 4, October 2006, pp. 477-490.
R. Patankar, V. Rajagopalan and A. Ray, "Failure Precursor Detection in Complex Electrical Systems Using Symbolic Dynamics," International Journal of Signal and Imaging Systems Engineering, Vol.1, No. 1, 2008, pp. 68-77.
C. Rao, K. Mukherjee, S. Sarkar and A. Ray, "Statistical Estimation of Multiple Parameters via Symbolic Dynamic Filtering," Signal Processing, in Vol. 89, Issue 6, June 2009, pp. 981-988. doi: 10.1016/j.sigpro.2008.11.018.
X. Jin, A. Ray and R.M. Edwards, "Redundant Sensor Calibration for In-situ Monitoring and Control of Nuclear Power Plants Power Plants," Trans. Am. Nuc. Soc., Vol. 101, November 2009, pp. 307-308.
X. Jin, R.M. Edwards and A. Ray, "Integrated Scheme for Anomaly Identification and Automatic Control of Nuclear Power Plants," Trans. Am. Nuc. Soc., Vol. 101, November 2009, pp. 315-316.
X. Jin, R.M. Edwards and A. Ray, "Feature Extraction for Data-Driven Fault Detection in Nuclear Power Plants," Trans. Am. Nuc. Soc., Vol. 102, June 2010, pp. 163-164.
S. Bahrampour, N.M. Nasrabadi, A. Ray and K.W. Jenkins, " Quality-based Multimodal Classification Using Tree-Structured Sparsity," Computer Vision and Pattern Recognition (CVPR), June 2014, Columbus, OH, USA.
D.K. Jha, Y. Li, T.A. Wettergren and A. Ray, "Robot Path Planning in Uncertain Environments: A Language Measure-theoretic Approach," ASME Journal of Dynamic Systems, Measurement and Control, Vol. 137, March 2015, pp. 034503-1 to 034503-7. doi:10.1115/1.4027876.
D.K. Jha, T.A. Wettergren, A. Ray and K. Mukherjee, "Topology Optimization for Energy Management in Underwater Sensor Networks, " International Journal of Control, vol. 88, no. 9, September 2015, pp. 1775-1788. doi: 10.1080/00207179.2015.1017006.
D.K. Jha, A. Srivastav and A. Ray, "Temporal Learning in Video Data Using Deep Learning and Gaussian Processes," International Journal of Prognostics and Health Management, ISSN 2153-2648, Vol 7 (Special Issue Big Data and Analytics) 022, pages: 11, 2016.
Y. Li and A. Ray, "Unsupervised Symbolization of Signal Time Series for Extraction of the Embedded Information," entropy: An MDPI Journal, vol. 19, no. 4, April 2017, p. 148 (1-20). doi:10.3390/e19040148.
M. Hauser and A. Ray, "Principles of Riemannian Geometry in Neural Networks," Neural Information Processing Systems (NIPS), December 2017, pp. 2804-2813, Long Beach, CA, USA.
S. Xiong, Y. Fu and A. Ray, "Bayesian Nonparametric Modeling of Categorical Data for Information Fusion and Causal Inference," entropy: An MDPI Journal, vol. 20, no. 5, May 2018, p. 396 (1-22). doi:10.3390/e19040148.
M. Hauser, S. Gunn, S. Saab and A. Ray, "State Space Representations of Deep Neural Networks," Neural Computation, vol. 31, No. 3, March 2019, pp. 538-554. doi: 10.1162/ neco_a_01165.
N. Nayak and A. Ray, INTELLIGENT SEAM TRACKING FOR ROBOTIC WELDING, Springer Verlag, New York, 1993. ISBN 0-387-19826-1.
A. Ray, V. V. Phoha and S. Phoha, QUANTITATIVE MEASURE FOR DISCRETE EVENT SUPERVISORY CONTROL: Theory and Applications, Springer, New York, 2005. ISBN 0-387-02108.
A. Ray, "Power Plant Transients in a Feedpump System," SIMULATION PROCEEDINGS ON ENERGY, Volume 2, ed. K.E.F. Watt, December 1978, Chapter 12.
H.E. Watson and A. Ray, "Laser-Based Intelligent Robotic Systems for Manufacturing Automation," COMPUTER-AIDED DESIGN, ENGINEERING, and DRAFTING, Auerbach Publications, New York, eds. M. Sullivan and S. Chasin, Article #3.17S38, Summer 1987.
A. Ray, "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, 1994, pp. 78-105. ISBN 0-89391-580-7.
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, 1996, pp. 196-213. ISBN 0-89391-593-9.
P. Kallappa and A. Ray, "Life-Extending Load Regulation of Power Plants," ENCYCLOPEDIA OF ELECTRICAL AND ELECTRONIC ENGINEERING, Wiley, ed. J.G. Webster, New York, Vol. 11, February 1999, pp. 494-511. ISBN 0-471-13952-1.
A. Ray and S. Phoha, "Integrated Prognostics, Maintenance, and Life Extending Control," COMPUTER-AIDED MAINTENANCE, METHODOLOGIES AND PRACTICE, Kluwer Academic Publishers, Dordrecht, The Netherlands, eds. J. Lee and B. Wang, 1999, pp. 136-169. ISBN 0-412-62970-4.
S. Phoha and A. Ray, "Life Extension of Operating Machinery Using the National Information Infrastructure (NII)," COMPUTER-AIDED MAINTENANCE, METHODOLOGIES AND PRACTICE, Kluwer Academic Publishers, Dordrecht, The Netherlands, eds. J. Lee and B. Wang, 1999, pp. 231-260. ISBN 0-412-62970-4.
P. Kallappa, A. Ray and M.S. Holmes, "Fuzzy Life Extending Control of Mechanical Systems," ANALYTICAL ISSUES IN FUZZY CONTROL: Synthesis and Analysis, Wiley, Chichester, U.K., eds. S. S. Farinwata, D. Filev and R. Langari, Chapter 18, 2000, pp. 349-383. ISBN 0-471-98631-3.
V. Yang, B-S. Hong and A. Ray, "Robust Feedback Control of Combustion Instabilities with Model Uncertainty," ADVANCES IN CHEMICAL PROPULSION, CRC Press, Boca Raton, Florida, ed. G.D. Roy, 2001, pp. 361-380. ISBN 0-8493-1171-3.
A. Ray and S. Phoha, "Signal Calibration, Estimation for Real-Time Monitoring and Control," DISTRIBUTED SENSOR NETWORKS, Chapman & Hall/CRC, Boca Raton, Florida, eds. S.S. Iyengar and R. Brooks, Chapter 20, December 2004, pp. 381-398. ISBN-10: 1584883839 or ISBN-13: 978-1584883838.
V.V. Phoha, S. Phoha, A. Ray, K.S. Balagani, A.U. Nadgar and R. Varanasi, "Embedded Soft Sensing for Anomaly Detection in Mobile Robotic Networks," SENSOR NETWORK OPERATIONS, IEEE Press/Wiley, eds. S. Phoha, T. LaPorta and C. Griffin, Chapter 10, 2006, pp. 609-629. ISBN 0-387-19826-1.
S. Gupta and A. Ray, "Symbolic Dynamic Filtering for Data-driven Pattern Recognition," PATTERN RECOGNITION: Theory and Application, Nova Science Publishers, Hauppage, NY, ed., E.A. Zoeller, Chapter 2, 2007, pp. 17-71. ISBN 978-1-60021-717-3.
S. Gupta, D. Singh, A. Srivastav and A. Ray, "Measurement of Behavioral Uncertainties in Mechanical Vibration Systems: A Symbolic Dynamics Approach," MECHANICAL VIBRATIONS: Measurement Effects and Control, Nova Science Publishers, Hauppage, NY, Chapter 5, 2009, pp. 1-29. ISBN: 978-1-60692-037-4.
S. Gupta and A. Ray, "Real-time Fatigue Damage Monitoring via In Situ Ultrasonic Sensing," FATIGUE CRACK GROWTH: Mechanics, Behavior and Prediction, Nova Science Publishers, Hauppage, NY, Chapter 1, 2009, pp. 3-48. ISBN 978-1-60692-476-1.
X. Jin, S. Gupta, K. Mukherjee and A. Ray, "Symbolic Dynamic Filtering for Pattern Recognition in Distributed Sensor Networks," Distributed Sensor Networks, Second Edition, Volume 1, Chapman & Hall/CRC, Boca Raton, Florida, eds. S.S. Iyengar and R. Brooks, 2013, Chapter 14, pp. 307-333. ISBN-10: 1439862877 or ISBN-13: 978-1439862872 .
S. Phoha, D. Bein, Y. Wen, B. Madan and A. Ray, "Dynamically AdaptiveMulti-Modal Sensor Fusion in Urban Environments," Distributed Sensor Networks, Second Edition, Volume 2, Chapman & Hall/CRC, Boca Raton, Florida, eds. S.S. Iyengar and R. Brooks, 2013, Chapter 26, pp. 551-576. ISBN-10: 1439862877 or ISBN-13: 978-1439862872 .
S. Sarkar, S. Sarkar, and A. Ray, "Data-enabled Health Management of Complex Industrial Systems," Fault Detection: Classification, Techniques and Role in Industrial Systems,, Nova Science Publishers, pp. 1-72, 2014.
cation," Pattern Recognition: From Classical to Modern Approaches, eds. S. Pal and A. Pal, World Scientific, 2015, in press.
S. Sen, S. Sarkar, R.R. Chaudhari and A. Ray, "Lean Blowout (LBO) Prediction Through Symbolic Time Series Analysis," Combustion for Power Generation and Transportation", DOI: 10.1007/978-981-10-3785-6_8, pp. 153-167, Chapter 10, January 2017.
V.V. Phoha, S. Babu, A. Ray and S. Phoha, System and method for classifying regions of keystroke density with a neural network , U.S. Patent No. 7620819, November 17, 2009.
V.V. Phoha, S. Phoha, A. Ray, S.S. Joshi and S.K. Vuyyuru, Hidden Markov Model ("HMM")-Based User Authentication Using Keystroke Dynamics , U.S. Patent No. 8136154, March 13, 2012.
S. Sarkar, T.Damarla, and A. Ray, Apparatus and Method for Activity Detection and Classification from Sensor Data , Publication No. US-2017-0124480-A1; Publication Date: May 04, 2017..

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