Asok Ray

    • 6887 Citations
    • 36 h-Index
    1976 …2019
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    Research Output 1976 2019

    2010
    1 Citation (Scopus)

    Statistical mechanics-inspired optimization for sensor field reconfiguration

    Mukherjee, K., Gupta, S., Ray, A. & Wettergren, T. A., Oct 15 2010, Proceedings of the 2010 American Control Conference, ACC 2010. p. 714-719 6 p. 5530900. (Proceedings of the 2010 American Control Conference, ACC 2010).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Statistical mechanics
    Sensors
    Multiobjective optimization
    Temperature
    8 Citations (Scopus)

    Symbolic dynamic analysis of surface deformation during fatigue crack initiation

    Singh, D. S., Gupta, S. & Ray, A., Jan 1 2010, In : Measurement Science and Technology. 21, 4, 043003.

    Research output: Contribution to journalArticle

    Symbolic Analysis
    Fatigue Crack
    Crack Initiation
    Symbolic Dynamics
    crack initiation
    4 Citations (Scopus)

    Symbolic dynamic filtering for image analysis: Theory and experimental validation

    Subbu, A., Srivastav, A., Ray, A. & Keller, E., Jan 1 2010, In : Signal, Image and Video Processing. 4, 3, p. 319-329 11 p.

    Research output: Contribution to journalArticle

    Image analysis
    Time series
    Pixels
    Ultrasonic sensors
    Fatigue damage
    1 Citation (Scopus)

    Symbolic dynamics of wavelet images for pattern identification

    Jin, X., Gupta, S., Mukherjee, K. & Ray, A., Oct 15 2010, Proceedings of the 2010 American Control Conference, ACC 2010. p. 3481-3486 6 p. 5531077. (Proceedings of the 2010 American Control Conference, ACC 2010).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Time series
    Time series analysis
    Fatigue damage
    Finite automata
    Dynamical systems
    2 Citations (Scopus)

    Symbolic identification for anomaly detection in aircraft gas turbine engines

    Chakraborty, S., Sarka, S., Ray, A. & Phoha, S., Oct 15 2010, Proceedings of the 2010 American Control Conference, ACC 2010. p. 5954-5959 6 p. 5531246. (Proceedings of the 2010 American Control Conference, ACC 2010).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Fault detection
    Gas turbines
    Turbines
    Aircraft
    Aircraft engines

    Symbolic identification of dynamical systems: Theory and experimental validation

    Chakraborty, S., Keller, E., Ray, A. & Mayer, J., Oct 15 2010, Proceedings of the 2010 American Control Conference, ACC 2010. p. 3716-3721 6 p. 5530662. (Proceedings of the 2010 American Control Conference, ACC 2010).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    System theory
    Identification (control systems)
    Dynamical systems
    Demagnetization
    Synchronous motors
    1 Citation (Scopus)

    Target parameter estimation with heterogeneous sensor networks

    Madan, B. B., Phoha, S. & Ray, A., Nov 29 2010, 2010 IEEE Conference on Multisensor Fusion and Integration for Intelligent Systems, MFI 2010. p. 96-101 6 p. 5604485. (IEEE International Conference on Multisensor Fusion and Integration for Intelligent Systems).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Heterogeneous networks
    Parameter estimation
    Sensor networks
    Sensors
    Fusion reactions

    Tracking mobile targets using wireless sensor networks

    Mallapragada, G., Wen, Y., Phoha, S., Bein, D. & Ray, A., Aug 11 2010, ITNG2010 - 7th International Conference on Information Technology: New Generations. p. 873-878 6 p. 5501525. (ITNG2010 - 7th International Conference on Information Technology: New Generations).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Sensor networks
    Wireless sensor networks
    Data fusion
    Pressure sensors
    Testbeds

    Wavelet-based feature extraction for behavior recognition in mobile robots

    Jin, X., Mukherjee, K., Gupta, S. & Ray, A., Dec 1 2010, ASME 2010 Dynamic Systems and Control Conference, DSCC2010. p. 875-882 8 p. (ASME 2010 Dynamic Systems and Control Conference, DSCC2010; vol. 1).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Mobile robots
    Feature extraction
    Time series
    Sensors
    Dynamical systems
    2009

    Adaptive control of sensor networks for detection of percolating faults

    Srivastav, A., Ray, A. & Phoha, S., Nov 23 2009, 2009 American Control Conference, ACC 2009. p. 5797-5802 6 p. 5160017. (Proceedings of the American Control Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Sensor networks
    Monitoring
    Computer viruses
    Adaptive systems
    Complex networks
    7 Citations (Scopus)
    Statistical mechanics
    Sensor nodes
    Sensor networks
    Scheduling
    Sensors
    8 Citations (Scopus)

    An information-theoretic measure for anomaly detection in complex dynamical systems

    Srivastav, A., Ray, A. & Gupta, S., Feb 1 2009, In : Mechanical Systems and Signal Processing. 23, 2, p. 358-371 14 p.

    Research output: Contribution to journalArticle

    Dynamical systems
    Information analysis
    Statistical mechanics
    Information theory
    Time series

    An integrated scheme for anomaly identification and automatic control of nuclear power plants

    Jin, X., Edwards, R. M. & Ray, A., 2009, In : Transactions of the American Nuclear Society. 101, p. 315-316 2 p.

    Research output: Contribution to journalArticle

    Nuclear power plants

    A real time implementable all-pair dynamic planning algorithm for robot navigation based on the renormalized measure of probabilistic regular languages

    Lu, W., Chattopadhyay, I., Mallapragada, G. & Ray, A., Nov 23 2009, 2009 American Control Conference, ACC 2009. p. 5174-5179 6 p. 5160373. (Proceedings of the American Control Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Formal languages
    Navigation
    Robots
    Planning
    Motion planning
    5 Citations (Scopus)

    Asynchronous data-driven classification of weapon systems

    Jin, X., Mukherjee, K., Gupta, S., Ray, A., Phoha, S. & Damarla, T., Dec 22 2009, In : Measurement Science and Technology. 20, 12, 123001.

    Research output: Contribution to journalArticle

    weapon systems
    Pattern Classification
    Classification Algorithm
    Data-driven
    weapons
    3 Citations (Scopus)

    Autonomous robot navigation using optimal control of probabilistic regular languages

    Mallapragada, G., Chattopadhyay, I. & Ray, A., Jan 1 2009, In : International Journal of Control. 82, 1, p. 13-26 14 p.

    Research output: Contribution to journalArticle

    Formal languages
    Navigation
    Robots
    Robotics
    Finite automata

    Behavior Recognition in Mobile Robots Using Symbolic Dynamic Filtering and Language Measure

    Mallapragada, G. & Ray, A., Nov 23 2009, 2009 American Control Conference, ACC 2009. p. 1329-1334 6 p. 5160145. (Proceedings of the American Control Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Mobile robots
    Robots
    Formal languages
    Testbeds
    Dynamical systems
    2 Citations (Scopus)

    Data driven anomaly detection via symbolic identification of complex dynamical systems

    Chakraborty, S., Keller, E. & Ray, A., 2009, Proceedings 2009 IEEE International Conference on Systems, Man and Cybernetics, SMC 2009. p. 3745-3750 6 p. 5346890

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Synchronous motors
    Syntactics
    Permanent magnets
    Identification (control systems)
    Dynamical systems
    1 Citation (Scopus)

    Data-driven estimation of multiple fault parameters in permanent magnet synchronous motors

    Chakraborty, S., Rao, C., Keller, E., Ray, A. & Yasar, M., Nov 23 2009, 2009 American Control Conference, ACC 2009. p. 204-209 6 p. 5160253

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Synchronous motors
    Permanent magnets
    Time series
    Bearings (structural)
    Finite automata
    16 Citations (Scopus)

    Early detection of stator voltage imbalance in three-phase induction motors

    Samsi, R., Ray, A. & Mayer, J., Jan 1 2009, In : Electric Power Systems Research. 79, 1, p. 239-245 7 p.

    Research output: Contribution to journalArticle

    Electric motors
    Induction motors
    Stators
    Health
    Time series analysis

    Estimation of multiple faults in aircraft gas-turbine engines

    Sarkar, S., Rao, C. & Ray, A., Nov 23 2009, 2009 American Control Conference, ACC 2009. p. 216-221 6 p. 5159981. (Proceedings of the American Control Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Gas turbines
    Turbines
    Aircraft
    Aircraft engines
    Information fusion
    20 Citations (Scopus)

    Generalization of Hilbert transform for symbolic analysis of noisy signals

    Sarkar, S., Mukherjee, K. & Ray, A., Jun 1 2009, In : Signal Processing. 89, 6, p. 1245-1251 7 p.

    Research output: Contribution to journalArticle

    Time series
    Pattern recognition
    Dynamical systems
    Information theory
    Noise abatement

    Generalization of v* path planning for accommodation of amortized dynamic uncertainties in plan execution

    Chattopadhyay, I. & Ray, A., Nov 23 2009, 2009 American Control Conference, ACC 2009. p. 2415-2420 6 p. 5160367. (Proceedings of the American Control Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Motion planning
    Robotics
    Planning
    Uncertainty
    16 Citations (Scopus)

    Generalized Ising model for dynamic adaptation in autonomous systems

    Gupta, S., Ray, A. & Phoha, S., Aug 25 2009, In : EPL. 87, 1, 10009.

    Research output: Contribution to journalArticle

    Ising model
    autonomy
    potential fields
    configurations
    statistical mechanics
    3 Citations (Scopus)
    Fatigue damage
    Ultrasonics
    Monitoring
    Fatigue of materials
    Ultrasonic sensors
    4 Citations (Scopus)

    Integrated robust and resilient control for nuclear power plants

    Jin, X., Edwards, R. M. & Ray, A., Dec 1 2009, 6th American Nuclear Society International Topical Meeting on Nuclear Plant Instrumentation, Control, and Human-Machine Interface Technologies 2009. p. 1359-1369 11 p. (6th American Nuclear Society International Topical Meeting on Nuclear Plant Instrumentation, Control, and Human-Machine Interface Technologies 2009; vol. 3).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Nuclear power plants
    Controllers
    Control systems
    Recovery
    Monitoring
    1 Citation (Scopus)

    Measurement of behavioral uncertainties in mechanical vibration systems: A symbolic dynamics approach

    Gupta, S., Singh, D., Srivastav, A. & Ray, A., Jan 1 2009, Mechanical Vibrations: Measurement, Effects and Control. Nova Science Publishers, Inc., p. 331-357 27 p.

    Research output: Chapter in Book/Report/Conference proceedingChapter

    Time series
    Statistical mechanics
    Information theory
    Finite automata
    Accelerometers

    Objective classification of two-phase flow regimes via ultrasonic signals

    Talley, J. D., Chakraborty, S., Keller, E., Ray, A. & Kim, S., 2009, In : Transactions of the American Nuclear Society. 100, p. 734-735 2 p.

    Research output: Contribution to journalArticle

    Two phase flow
    Ultrasonics
    2 Citations (Scopus)

    Optimal path-planning under finite memory obstacle dynamics based on probabilistic finite state automata models

    Chattopadhyay, I. & Ray, A., Nov 23 2009, 2009 American Control Conference, ACC 2009. p. 2403-2408 6 p. 5160369. (Proceedings of the American Control Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Finite automata
    Motion planning
    Data storage equipment
    Navigation
    Planning
    3 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
    85 Citations (Scopus)

    Review and comparative evaluation of symbolic dynamic filtering for detection of anomaly patterns

    Rao, C., Ray, A., Sarkar, S. & Yasar, M., Feb 1 2009, In : Signal, Image and Video Processing. 3, 2, p. 101-114 14 p.

    Research output: Contribution to journalReview article

    Pattern recognition
    Computational efficiency
    Time series
    Dynamical systems
    Decision making
    1 Citation (Scopus)

    Signal threshold estimation in a sensor field for undersea target tracking

    Mukherjee, K., Ray, A., Wettergren, T., Chattopadhyay, I. & Phoha, S., Nov 23 2009, 2009 American Control Conference, ACC 2009. p. 3591-3596 6 p. 5159844

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Target tracking
    Sensors
    Time series
    8 Citations (Scopus)

    Statistical estimation of multiple faults in aircraft gas turbine engines

    Sarkar, S., Rao, C. & Ray, A., Jun 1 2009, In : Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering. 223, 4, p. 415-424 10 p.

    Research output: Contribution to journalArticle

    Gas turbines
    Turbines
    Aircraft
    Aircraft engines
    Information fusion
    4 Citations (Scopus)

    Statistical estimation of multiple parameters via symbolic dynamic filtering

    Rao, C., Mukherjee, K., Sarkar, S. & Ray, A., Jun 1 2009, In : Signal Processing. 89, 6, p. 981-988 8 p.

    Research output: Contribution to journalArticle

    Nonlinear dynamical systems
    Finite automata
    Sensor networks
    Dynamical systems
    Data storage equipment
    27 Citations (Scopus)

    Statistical mechanics of complex systems for pattern identification

    Gupta, S. & Ray, A., Jan 1 2009, In : Journal of Statistical Physics. 134, 2, p. 337-364 28 p.

    Research output: Contribution to journalArticle

    complex systems
    statistical mechanics
    Statistical Mechanics
    Complex Systems
    Thermodynamic Formalism
    7 Citations (Scopus)

    Suboptimal partitioning of time-series data for anomaly detection

    Jin, X., Sarkar, S., Mukherjee, K. & Ray, A., Dec 1 2009, Proceedings of the 48th IEEE Conference on Decision and Control held jointly with 2009 28th Chinese Control Conference, CDC/CCC 2009. p. 1020-1025 6 p. 5400158. (Proceedings of the IEEE Conference on Decision and Control).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Anomaly Detection
    Time Series Data
    Time series
    Partitioning
    Maximum entropy methods
    22 Citations (Scopus)

    Supervised self-organization of homogeneous swarms using ergodic projections of markov chains

    Chattopadhyay, I. & Ray, A., Oct 8 2009, In : IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics. 39, 6, p. 1505-1515 11 p.

    Research output: Contribution to journalArticle

    Markov Chains
    Markov processes
    Population Density
    Specifications
    1 Citation (Scopus)

    Supervised self-organization of large homogeneous swarms using ergodic projections of markov chains

    Chattopadhyay, I. & Ray, A., Nov 23 2009, 2009 American Control Conference, ACC 2009. p. 2922-2927 6 p. 5160372

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Markov processes
    1 Citation (Scopus)

    Symbolic analysis of time series signals using generalized hilbert transform

    Sarkar, S., Mukherjee, K. & Ray, A., Nov 23 2009, 2009 American Control Conference, ACC 2009. p. 5422-5427 6 p. 5159908. (Proceedings of the American Control Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Pattern recognition
    Time series
    Information theory
    Noise abatement
    Dynamical systems
    7 Citations (Scopus)

    Ultrasonic measurement of crack opening load for life-extending control of mechanical structures

    Singh, D. S., Srivastav, A., Gupta, S., Keller, E. & Ray, A., Nov 23 2009, 2009 American Control Conference, ACC 2009. p. 210-215 6 p. 5160021. (Proceedings of the American Control Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Ultrasonic measurement
    Time measurement
    Cracks
    Ultrasonic sensors
    Crack closure
    5 Citations (Scopus)

    Understanding phase transition in communication networks to enable robust and resilient control

    Sarkar, S., Mukherjee, K., Srivastav, A. & Ray, A., Nov 23 2009, 2009 American Control Conference, ACC 2009. p. 1549-1554 6 p. 5159994. (Proceedings of the American Control Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Telecommunication networks
    Phase diagrams
    Phase transitions
    Statistical mechanics
    Complex networks
    15 Citations (Scopus)

    Underwater mine detection using symbolic pattern analysis of sidescan sonar images

    Rao, C., Mukherjee, K., Gupta, S., Ray, A. & Phoha, S., Nov 24 2009, 2009 American Control Conference, ACC 2009. p. 5416-5421 6 p. 5160102

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Sonar
    Military operations
    Feature extraction
    Classifiers
    Data storage equipment
    9 Citations (Scopus)

    V*: A robot path planning algorithm based on renormalised measure of probabilistic regular languages

    Chattopadhyay, I., Mallapragada, G. & Ray, A., May 1 2009, In : International Journal of Control. 82, 5, p. 849-867 19 p.

    Research output: Contribution to journalArticle

    Formal languages
    Motion planning
    Robots
    Finite automata
    Navigation
    18 Citations (Scopus)

    Void fraction measurement in two-phase flow processes via symbolic dynamic filtering of ultrasonic signals

    Chakraborty, S., Keller, E., Talley, J., Srivastav, A., Ray, A. & Kim, S., Jan 1 2009, In : Measurement Science and Technology. 20, 2, 023001.

    Research output: Contribution to journalArticle

    Bubbly Flow
    Void Fraction
    Symbolic Dynamics
    Void fraction
    two phase flow
    2008
    13 Citations (Scopus)

    A carbon monoxide sensor in polymer electrolyte fuel cells based on symbolic dynamic filtering

    Bhambare, K. S., Gupta, S., Mench, M. M. & Ray, A., Sep 25 2008, In : Sensors and Actuators, B: Chemical. 134, 2, p. 803-815 13 p.

    Research output: Contribution to journalArticle

    Carbon Monoxide
    Carbon monoxide
    carbon monoxide
    Electrolytes
    fuel cells
    7 Citations (Scopus)
    Propulsion
    Control systems
    Aircraft propulsion
    Aircraft
    Engines
    11 Citations (Scopus)

    Anomaly detection in flexible mechanical couplings via symbolic time series analysis

    Khatkhate, A., Gupta, S., Ray, A. & Patankar, R., Apr 8 2008, In : Journal of Sound and Vibration. 311, 3-5, p. 608-622 15 p.

    Research output: Contribution to journalArticle

    Bearings (structural)
    time series analysis
    Time series analysis
    Automata theory
    Machine vibrations
    9 Citations (Scopus)

    Automated behaviour recognition in mobile robots using symbolic dynamic filtering

    Mallapragada, G., Chattopadhyay, I. & Ray, A., Oct 6 2008, In : Proceedings of the Institution of Mechanical Engineers. Part I: Journal of Systems and Control Engineering. 222, 6, p. 409-424 16 p.

    Research output: Contribution to journalArticle

    Mobile robots
    Robots
    Dynamical systems
    Robotics
    3 Citations (Scopus)

    Comparative evaluation of symbolic dynamic filtering for detection of anomaly patterns

    Rao, C., Sarkar, S., Ray, A. & Yasar, M., Sep 30 2008, 2008 American Control Conference, ACC. p. 3052-3057 6 p. 4586961. (Proceedings of the American Control Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Pattern recognition
    Computational efficiency
    Time series
    Dynamical systems
    Decision making
    11 Citations (Scopus)

    Damage monitoring of refractory wall in a generic entrained-bed slagging gasification system

    Chakraborty, S., Sarkar, S., Gupta, S. & Ray, A., Dec 1 2008, In : Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy. 222, 8, p. 791-807 17 p.

    Research output: Contribution to journalArticle

    Gasification
    Refractory materials
    Monitoring
    Degradation
    Dynamic response