Asok Ray

    • 6861 Citations
    • 36 h-Index
    1976 …2019
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    Research Output 1976 2019

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    Conference article
    2017
    2 Citations (Scopus)

    DYNAMIC MODELING OF FLUIDIZED BED BOILERS FOR CONTROL SYSTEM DESIGN.

    Berkowitz, D. A., Ray, A. & Sumaria, V., Jan 1 2017, In : Proceedings of the Intersociety Energy Conversion Engineering Conference. p. 765-771 7 p.

    Research output: Contribution to journalConference article

    Fluidized beds
    Boilers
    Systems analysis
    Control systems
    Pulverized fuel
    4 Citations (Scopus)

    Principles of riemannian geometry in neural networks

    Hauser, M. & Ray, A., Jan 1 2017, In : Advances in Neural Information Processing Systems. 2017-December, p. 2808-2817 10 p.

    Research output: Contribution to journalConference article

    Neural networks
    Geometry
    Differential equations
    Lie groups
    Tensors
    2015
    2 Citations (Scopus)

    Game theoretic controller synthesis for multi-robot motion planning-part II: Policy-based algorithms

    Jha, D. K., Zhu, M. & Ray, A., Oct 1 2015, In : IFAC-PapersOnLine. 28, 22, p. 168-173 6 p.

    Research output: Contribution to journalConference article

    Motion planning
    Robots
    Controllers
    Feedback
    Sampling
    2014
    9 Citations (Scopus)

    Context-aware dynamic data-driven pattern classification

    Phoha, S., Virani, N., Chattopadhyay, P., Sarkar, S., Smith, B. & Ray, A., Jan 1 2014, In : Procedia Computer Science. 29, p. 1324-1333 10 p.

    Research output: Contribution to journalConference article

    Pattern recognition
    Sensors
    Unattended sensors
    Soils
    Fences
    2 Citations (Scopus)

    Dynamic context-aware sensor selection for sequential hypothesis testing

    Virani, N., Lee, J. W., Phoha, S. & Ray, A., Jan 1 2014, In : Proceedings of the IEEE Conference on Decision and Control. 2015-February, February, p. 6889-6894 6 p., 7040471.

    Research output: Contribution to journalConference article

    Sequential Testing
    Context-aware
    Hypothesis Testing
    Sensor
    Selection Rules
    2013
    11 Citations (Scopus)

    Dynamic data driven sensor array fusion for target detection and classification

    Virani, N., Marcks, S., Sarkar, S., Mukherjee, K., Ray, A. & Phoha, S., Jan 1 2013, In : Procedia Computer Science. 18, p. 2046-2055 10 p.

    Research output: Contribution to journalConference article

    Sensor arrays
    Target tracking
    Fusion reactions
    Classifiers
    Sensors
    2009
    2 Citations (Scopus)

    Redundant sensor calibration and estimation for monitoring and control of nuclear power plants

    Jin, X., Ray, A. & Edwards, R. M., Dec 1 2009, In : Transactions of the American Nuclear Society. 101, p. 307-308 2 p.

    Research output: Contribution to journalConference article

    Nuclear power plants
    Calibration
    Monitoring
    Sensors
    2005
    4 Citations (Scopus)

    Early detection of voltage imbalances in three-phase induction motors

    Samsi, R., Rajagopalan, V., Mayer, J. & Ray, A., Sep 1 2005, In : Proceedings of the American Control Conference. 1, p. 478-483 6 p., WeA15.4.

    Research output: Contribution to journalConference article

    Induction motors
    Time series analysis
    Monitoring
    Electric potential
    Wavelet transforms
    3 Citations (Scopus)

    Incipient fault detection in mechanical power transmission systems

    Bhatnagar, S., Rajagopalan, V. & Ray, A., Sep 1 2005, In : Proceedings of the American Control Conference. 1, p. 472-477 6 p., WeA15.3.

    Research output: Contribution to journalConference article

    Automata theory
    Helical gears
    Time series analysis
    Information theory
    Power transmission
    1 Citation (Scopus)

    Language-measure-based supervisory control of a mobile robot

    Wang, X., Mallapragada, G. & Ray, A., Sep 1 2005, In : Proceedings of the American Control Conference. 7, p. 4897-4902 6 p., FrC11.1.

    Research output: Contribution to journalConference article

    Mobile robots
    Robotics
    Visual servoing
    Motion control
    Robots
    2004
    2 Citations (Scopus)

    A language measure for partially observed discrete event supervisory control systems

    Chattopadhyay, I. & Ray, A., Dec 1 2004, In : Proceedings of the IEEE Conference on Decision and Control. 1, p. 45-50 6 p., TuA02.2.

    Research output: Contribution to journalConference article

    Supervisory Control
    Discrete Event
    Control System
    Control systems
    Formal languages

    Development of methodology for early detection of BWR instabilities

    Petruzzi, A., Chin, S., Ivanov, K., Ray, A. & Cheung, F. B., Dec 1 2004, In : Transactions of the American Nuclear Society. 91, p. 902-905 4 p.

    Research output: Contribution to journalConference article

    4 Citations (Scopus)

    Hierarchical control of future generation rotorcraft

    Tolani, D. K., Horn, J. F., Ray, A. & Chen, J., Nov 29 2004, In : Proceedings of the American Control Conference. 2, p. 1707-1712 6 p.

    Research output: Contribution to journalConference article

    Automata theory
    Controllers
    Robust control
    Helicopters
    Experiments
    6 Citations (Scopus)

    Probabilistic fault diagnosis in discrete event systems

    Wang, X., Chattopadhyay, I. & Ray, A., Dec 1 2004, In : Proceedings of the IEEE Conference on Decision and Control. 5, p. 4794-4799 6 p., FrB06.5.

    Research output: Contribution to journalConference article

    Probabilistic Reasoning
    Finite State Automata
    Decision System
    Discrete Event Systems
    Discrete Event
    2003
    3 Citations (Scopus)

    A behavior-based collaborative multi-agent system

    Wang, X., Ray, A., Lee, P. & Phoha, S., Nov 24 2003, In : Proceedings of the IEEE International Conference on Systems, Man and Cybernetics. 5, p. 4242-4248 7 p.

    Research output: Contribution to journalConference article

    Multi agent systems
    Control systems
    Control theory
    Mobile robots
    Scalability

    A new concept for early detection of BWR instabilities

    Delfino, C., Ray, A., Ivanov, K. N. & Cheung, F. B., Jan 1 2003, In : Transactions of the American Nuclear Society. 88, 1 p.

    Research output: Contribution to journalConference article

    4 Citations (Scopus)

    Anomaly detection in complex systems

    Surana, A., Ray, A. & Chin, S., Jan 1 2003, In : IFAC Proceedings Volumes (IFAC-PapersOnline). 36, 5, p. 1119-1124 6 p.

    Research output: Contribution to journalConference article

    Large scale systems
    Dynamical systems
    3 Citations (Scopus)

    Anomaly Prediction in Mechanical Systems Using Symbolic Dynamics

    Friedlander, D., Chattopadhyay, I., Ray, A., Phoha, S. & Jacobson, N., Nov 7 2003, In : Proceedings of the American Control Conference. 5, p. 4275-4280 6 p.

    Research output: Contribution to journalConference article

    System theory
    Testbeds
    Nonlinear systems
    Time series
    1 Citation (Scopus)

    Control of Communication Networks for Multiple Mobile Platforms

    Metzner, J. J., Chin, S. & Ray, A., Nov 6 2003, In : Proceedings of the American Control Conference. 1, p. 242-247 6 p.

    Research output: Contribution to journalConference article

    Fault tolerance
    Telecommunication networks
    Decoding
    Feedback
    Communication
    6 Citations (Scopus)

    J-DES: A Graphical Interactive Package for Analysis and Synthesis of Discrete Event Systems

    Wang, X., Ray, A., Phoha, S. & Liu, J., Nov 6 2003, In : Proceedings of the American Control Conference. 4, p. 3405-3410 6 p.

    Research output: Contribution to journalConference article

    Discrete event simulation
    Finite automata
    Software packages
    Control systems
    17 Citations (Scopus)

    Optimal Control of Regular Languages with Event Disabling Cost

    Fu, J., Ray, A. & Lagoa, C. M., Nov 7 2003, In : Proceedings of the American Control Conference. 2, p. 1691-1695 5 p.

    Research output: Contribution to journalConference article

    Formal languages
    Costs
    Computational complexity
    Polynomials
    4 Citations (Scopus)

    Reliable operation of rotorcraft using probabilistic robust control

    Horn, J. F., Tolani, D. K., Lagoa, C. M., Wang, Q. & Ray, A., Jan 1 2003, In : IFAC Proceedings Volumes (IFAC-PapersOnline). 36, 5, p. 179-184 6 p.

    Research output: Contribution to journalConference article

    Robust control
    Controllers
    Control systems
    Switches
    9 Citations (Scopus)

    Robust Optimal Control of Regular Languages

    Fu, J., Lagoa, C. M. & Ray, A., Dec 1 2003, In : Proceedings of the IEEE Conference on Decision and Control. 4, p. 3209-3214 6 p.

    Research output: Contribution to journalConference article

    Formal languages
    Regular Languages
    Robust Control
    Optimal Control
    Optimal Policy
    1 Citation (Scopus)

    Software Performance Analysis Using a Language Measure

    Hong, Y., Trivedi, K. S., Ray, A. & Phoha, S., Nov 6 2003, In : Proceedings of the American Control Conference. 3, p. 2258-2263 6 p.

    Research output: Contribution to journalConference article

    Markov processes
    Formal languages
    Finite automata

    Supervisory control of malicious executables

    Phoha, V. V., Xu, X., Ray, A. & Phoha, S., Jan 1 2003, In : IFAC Proceedings Volumes (IFAC-PapersOnline). 36, 5, p. 1065-1070 6 p.

    Research output: Contribution to journalConference article

    Viruses
    Controllers
    Formal languages
    Experiments
    2 Citations (Scopus)

    Supervisory Control of Software Systems for Fault Mitigation

    Phoha, V. V., Nadgar, A., Ray, A., Fu, J. & Phoha, S., Nov 6 2003, In : Proceedings of the American Control Conference. 3, p. 2229-2233 5 p.

    Research output: Contribution to journalConference article

    Application programs
    Computer operating systems
    Supervisory personnel
    Finite automata
    Program processors

    Validation of a Language Measure for Discrete Event Supervisory Control

    Ortogero, T., Ray, A. & Phoha, S., Nov 7 2003, In : Proceedings of the American Control Conference. 2, p. 1679-1684 6 p.

    Research output: Contribution to journalConference article

    Formal languages
    Supervisory personnel
    Finite automata
    Robustness (control systems)
    Experiments
    2002
    9 Citations (Scopus)

    A language measure for discrete-event automata

    Ray, A. & Phoha, S., Jan 1 2002, In : IFAC Proceedings Volumes (IFAC-PapersOnline). 15, 1, p. 181-186 6 p.

    Research output: Contribution to journalConference article

    Formal languages
    Supervisory personnel
    Finite automata
    Vector spaces
    Control systems
    2 Citations (Scopus)

    Calibration and estimation of redundant signals

    Ray, A. & Phoha, S., Jan 1 2002, In : Proceedings of the American Control Conference. 2, p. 1437-1442 6 p.

    Research output: Contribution to journalConference article

    Calibration
    Adaptive filters
    Covariance matrix
    Dynamical systems
    Control systems
    1 Citation (Scopus)

    Fault detection and identification via multi-level hypotheses testing

    Ray, A. & Phoha, S., Jan 1 2002, In : IFAC Proceedings Volumes (IFAC-PapersOnline). 15, 1, p. 413-418 6 p.

    Research output: Contribution to journalConference article

    Fault detection
    Testing
    Temperature sensors
    Power plants
    Sensors
    27 Citations (Scopus)

    Signed real measure of regular languages

    Wang, X. & Ray, A., Jan 1 2002, In : Proceedings of the American Control Conference. 5, p. 3937-3942 6 p.

    Research output: Contribution to journalConference article

    Formal languages
    Automata theory
    Supervisory personnel
    Finite automata
    Computational complexity
    12 Citations (Scopus)

    Unconstrained optimal control of regular languages

    Fu, J., Ray, A. & Lagoa, C. M., Dec 1 2002, In : Proceedings of the IEEE Conference on Decision and Control. 1, p. 799-804 6 p.

    Research output: Contribution to journalConference article

    Formal languages
    Regular Languages
    Optimal Policy
    Finite State Automata
    Optimal Control
    2001

    Adaptive filtering for calibration of redundant signals

    Ray, A. & Phoha, S., Dec 1 2001, In : AUTOTESTCON (Proceedings). p. 121-136 16 p.

    Research output: Contribution to journalConference article

    Adaptive filtering
    Calibration
    Power plants
    Transport aircraft
    Adaptive filters

    Detection and identification of emerging faults via hypotheses testing

    Ray, A. & Phoha, S., Dec 1 2001, In : Proceedings of the IEEE Conference on Decision and Control. 3, p. 2295-2296 2 p.

    Research output: Contribution to journalConference article

    Hypothesis Testing
    Fault
    Testing
    Early Warning
    Real-time
    5 Citations (Scopus)

    Life extending control of large-scale dynamical systems

    Ray, A., Jan 1 2001, In : Proceedings of the American Control Conference. 5, p. 3692-3701 10 p.

    Research output: Contribution to journalConference article

    Dynamical systems
    Fuzzy logic
    Reusable rockets
    Control systems
    Controllers
    2000

    An adaptive filter for calibration and estimation of redundant signals

    Ray, A. & Phoha, S., Dec 1 2000, In : Proceedings of the IEEE Conference on Decision and Control. 5, p. 4928-4933 6 p.

    Research output: Contribution to journalConference article

    Adaptive Filter
    Adaptive filters
    Calibration
    Transport aircraft
    Covariance matrix
    1999
    3 Citations (Scopus)

    Damage-mitigating control with overload injection: Experimental validation of the concept

    Zhang, H., Ray, A. & Patankar, R., Dec 1 1999, In : Proceedings of the American Control Conference. 2, p. 1188-1192 5 p.

    Research output: Contribution to journalConference article

    Robust control
    Feedback control
    Durability
    Machinery
    Actuators
    3 Citations (Scopus)

    Fuzzy wide-range control of fossil power plants for life extension and robust performance

    Kallappa, P. & Ray, A., Dec 1 1999, In : Proceedings of the American Control Conference. 5, p. 3231-3235 5 p.

    Research output: Contribution to journalConference article

    Plant life extension
    Power plants
    Fossil fuel power plants
    Steam power plants
    Control systems

    Hybrid life extending control of mechanical structures

    Zhang, H., Ray, A. & Phoha, S., Dec 1 1999, In : Proceedings of the IEEE Conference on Decision and Control. 2, p. 1357-1362 6 p.

    Research output: Contribution to journalConference article

    Discrete Event
    Controllers
    Damage
    High Performance
    Complex Dynamical Systems
    2 Citations (Scopus)

    Life extending control of gas turbine engines

    Tangirala, S., Caplin, J., Keller, E. & Ray, A., Dec 1 1999, In : Proceedings of the American Control Conference. 4, p. 2642-2646 5 p.

    Research output: Contribution to journalConference article

    Gas turbines
    Turbines
    Turbomachine blades
    Fans
    Compressors
    1 Citation (Scopus)

    Simulation of a load dispatch control system

    Kallappa, P., Ray, A. & Phoha, S., Dec 1 1999, In : Proceedings of the American Control Conference. 3, p. 1744-1748 5 p.

    Research output: Contribution to journalConference article

    Availability
    Control systems
    Health
    Electric power distribution
    Fuzzy logic
    1998

    Compensatability and optimal compensation under randomly varying distributed delays

    Tsai, N. C. & Ray, A., Dec 1 1998, In : Proceedings of the IEEE Conference on Decision and Control. 1, p. 772-777 6 p.

    Research output: Contribution to journalConference article

    Distributed Delay
    Controller
    Controllers
    Compensator
    Sensor
    1997

    Adaptive control of a fatigue test machine for on-line damage sensing/life prediction

    Keller, E., Zhang, H. & Ray, A., Jan 1 1997, In : Proceedings of the American Control Conference. 1, p. 756-757 2 p.

    Research output: Contribution to journalConference article

    Fatigue testing
    Fatigue of materials
    Controllers
    Compliance
    7 Citations (Scopus)

    Fuzzy damage mitigating control of mechanical structures

    Holmes, M. & Ray, A., Dec 1 1997, In : Proceedings of the IEEE Conference on Decision and Control. 3, p. 2722-2727 6 p.

    Research output: Contribution to journalConference article

    Reusable rockets
    Damage
    Control systems
    Controllers
    Rocket engines
    3 Citations (Scopus)

    Life extending control of gas turbine engines for aircraft propulsion

    Caplin, J. & Ray, A., Dec 1 1997, In : Proceedings of the IEEE Conference on Decision and Control. 5, p. 4700-4701 2 p.

    Research output: Contribution to journalConference article

    Aircraft propulsion
    Gas Turbine
    Gas turbines
    Aircraft
    Engine
    2 Citations (Scopus)

    Stochastic modeling of fatigue crack propagation

    Ray, A. & Tangirala, S., Jan 1 1997, In : Proceedings of the American Control Conference. 1, p. 425-429 5 p.

    Research output: Contribution to journalConference article

    Fatigue crack propagation
    Crack propagation
    Stochastic models
    Model structures
    Aluminum alloys
    1996
    1 Citation (Scopus)

    Life extension of superheater tubes in fossil power plants

    Lele, M., Ray, A. & Kallappa, P., Dec 1 1996, In : ISA TECH/EXPO Technology Update Conference Proceedings. 51, 2, p. 1321-1334 14 p.

    Research output: Contribution to journalConference article

    Superheater tubes
    Plant life extension
    fossils
    power plants
    Power plants
    1995
    2 Citations (Scopus)

    Controls concepts for next generation reusable rocket engines

    Lorenzo, C. F., Merrill, W. C., Musgrave, J. L. & Ray, A., Jan 1 1995, In : Proceedings of the American Control Conference. 6, p. 3942-3950 9 p.

    Research output: Contribution to journalConference article

    Reusable rockets
    Rocket engines
    Durability
    Costs
    2 Citations (Scopus)

    Damage-mitigating control of mechanical structures: experimental verification of the concept

    Tangirala, S., Ray, A. & Carpino, M., Jan 1 1995, In : Proceedings of the American Control Conference. 6, p. 4106-4110 5 p.

    Research output: Contribution to journalConference article

    Rocket engines
    Testbeds
    Mechanics
    Durability
    Fatigue of materials
    1 Citation (Scopus)

    Neural network representation of fatigue damage dynamics

    Li, C. J. & Ray, A., Jan 1 1995, In : Proceedings of the American Control Conference. 5, p. 3284-3288 5 p.

    Research output: Contribution to journalConference article

    Fatigue damage
    Neural networks
    Service life
    Numerical methods
    Monitoring